CN110396171A | 2019-11-01 | |||
CN109705300A | 2019-05-03 | |||
CN109852326A | 2019-06-07 | |||
CN109705300A | 2019-05-03 | |||
CN109852326A | 2019-06-07 | |||
CN110396171A | 2019-11-01 |
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CLAIMS What is claimed is: 1. A polymer prepared by a method comprising reacting a polymerization mixture comprising one or more types of oximes, one or more types of diols, one or more types of polyols, and one or more types of isocyanates at a first temperature for a first time duration sufficient to forming the polymer, wherein: each type of the oximes is independently a compound comprising two or more instances of =N–OH and zero instances of each of C–OH, –NH2, –NH–, and –NCO; each type of the diols is independently a compound comprising zero or more instances of C–OH, zero or more instances of –NH2, zero or more instances of –NH–, and zero instances of each of =N–OH and –NCO, wherein the combined number of C–OH, –NH2, and –NH– of each of the diols is two; each type of the polyols is independently a compound comprising zero or more instances of C–OH, zero or more instances of –NH2, zero or more instances of –NH–, and zero instances of each of =N–OH and –NCO, wherein the combined number of C–OH, –NH2, and –NH– of each of the polyols is at least three; and each type of the isocyanates is independently a compound comprising two or more instances of –NCO and zero instances of each of –OH, –NH2, and –NH–; provided that when the polymerization mixture is a polymerization mixture consisting essentially of: , glycerol, and or ; or a tautomer, solvate, polymorph, or co-crystal thereof, where w is an integer between 10 and 20: the polymerization mixture further comprises a solvent, wherein the solvent comprises at least 10% by volume methyl ethyl ketone. 2. A method of preparing a polymer comprising reacting a polymerization mixture comprising one or more types of oximes, one or more types of diols, one or more types of polyols, and one or more types of isocyanates at a first temperature for a first time duration sufficient to forming the polymer, wherein: each type of the oximes is independently a compound comprising two or more instances of =N–OH and zero instances of each of C–OH, –NH2, –NH–, and –NCO; each type of the diols is independently a compound comprising zero or more instances of C–OH, zero or more instances of –NH2, zero or more instances of –NH–, and zero instances of each of =N–OH and –NCO, wherein the combined number of C–OH, –NH2, and –NH– of each of the diols is two; each type of the polyols is independently a compound comprising zero or more instances of C–OH, zero or more instances of –NH2, zero or more instances of –NH–, and zero instances of each of =N–OH and –NCO, wherein the combined number of C–OH, –NH2, and –NH– of each of the polyols is at least three; and each type of the isocyanates is independently a compound comprising two or more instances of –NCO and zero instances of each of –OH, –NH2, and –NH–; provided that when the polymerization mixture is a polymerization mixture consisting essentially of: , , glycerol, and or ; or a tautomer, solvate, polymorph, or co-crystal thereof, where w is an integer between 10 and 20: the polymerization mixture further comprises a solvent, wherein the solvent comprises at least 10% by volume methyl ethyl ketone. 3. The polymer of claim 1 or method of claim 2, provided that the polymerization mixture is not a polymerization mixture consisting essentially of: , , glycerol, and or or a tautomer, solvate, polymorph, or co-crystal thereof. 4. The method of claim 2 or 3, wherein the first temperature is between 20 and 40, between 40 and 60, between 60 and 80, between 80 and 100, or between 100 and 120 °C, e.g., between 40 and 60 °C. 5. The method of any one of claims 2-4, wherein the first time duration is between 1 minute and 1 hour, between 1 and 8 hours, between 8 and 24 hours, between 1 and 3 days, or between 3 and 7 days, e.g., between 8 and 24 hours. 6. The polymer of any one of claims 1 and 3 or method of any one of claims 2-5, wherein at least one type of the oximes is of Formula A: (A), or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof, wherein: each instance of G1 is independently a single bond or substituted or unsubstituted alkylene, wherein zero or more backbone carbon atoms of the alkylene are independently replaced with –O–, –S–, –S–S–, substituted or unsubstituted arylene, or substituted or unsubstituted heteroarylene; each instance of R1 is independently hydrogen, substituted or unsubstituted alkyl, or substituted or unsubstituted aryl; each instance of R2 is independently hydrogen, substituted or unsubstituted alkyl, or substituted or unsubstituted aryl; and each instance of n is independently 1, 2, 3, 4, or 5, as valency permits. 7. The polymer or method of claim 6, wherein at least one instance of G1 is a single bond. 8. The polymer or method of any one of claims 6-7, wherein at least one instance of G1 is substituted or unsubstituted alkylene, wherein zero backbone carbon atoms of the alkylene are replaced with –O–, –S–, –S–S–, substituted or unsubstituted arylene, or substituted or unsubstituted heteroarylene. 9. The polymer or method of any one of claims 6-8, wherein at least one instance of G1 is independently substituted or unsubstituted alkylene, wherein one or two backbone carbon atoms of the alkylene are replaced with –S–, as valency permits. 10. The polymer or method of any one of claims 6-9, wherein at least one instance of G1 is independently substituted or unsubstituted alkylene, wherein one or two backbone carbon atoms of the alkylene are replaced with –S–S–, as valency permits. 11. The polymer or method of any one of claims 6-10, wherein at least one instance G1 is independently –CH2–, –(CH2)2–, –(CH2)3–, –(CH2)4–, –(CH2)5–, –(CH2)6–, –CH2–S–CH2–, – (CH2)2–S–(CH2)2–, –CH2–S–S–CH2–, or –(CH2)2–S–S–(CH2)2–. 12. The polymer or method of any one of claims 6-11, wherein at least one instance of R1 is hydrogen. 13. The polymer or method of any one of claims 6-12, wherein at least one instance of R1 is unsubstituted alkyl, e.g., unsubstituted C1–3 alkyl. 14. The polymer or method of any one of claims 6-13, wherein at least one instance of R2 is hydrogen. 15. The polymer or method of any one of claims 6-14, wherein at least one instance of R2 is unsubstituted alkyl, e.g., unsubstituted C1–3 alkyl. 16. The polymer or method of any one of claims 6-15, wherein at least one instance of n is 1. 17. The polymer of any one of claims 1, 3, and 6-16 or method of any one of claims 2-16, wherein at least one type of the oximes is independently a compound comprising two instances of =N–OH and zero instances of each of C–OH, –NH2, –NH–, and –NCO. 18. The polymer of any one of claims 1, 3, and 6-17 or method of any one of claims 2-17, wherein at least one type of the oximes is of the formula: or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. 19. The polymer of any one of claims 1, 3, and 6-18 or method of any one of claims 2-18, wherein at least one type of the oximes is of the formula: (14), (2), or ( ), (7), or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. 20. The polymer of any one of claims 1, 3, and 6-19 or method of any one of claims 2-19, wherein the C=N bond of at least one is of the E configuration. 21. The polymer of any one of claims 1, 3, and 6-20 or method of any one of claims 2-20, wherein the number of types of the oximes is one. 22. The polymer of any one of claims 1, 3, and 6-20 or method of any one of claims 2-20, wherein the number of types of the oximes is two. 23. The polymer of any one of claims 1, 3, and 6-22 or method of any one of claims 2-22, wherein at least one type of the diols is alkane or polyethylene (e.g., polyethylene having a number average molecular weight of between 300 and 3,000 g/mol), each of which is substituted with two instances of –OH and optionally one or more substituents independently selected from the group consisting of halogen, unsubstituted alkyl, and –O–(unsubstituted alkyl), as valency permits. 24. The polymer of any one of claims 1, 3, and 6-23 or method of any one of claims 2-23, wherein at least one type of the diols is heteroalkane or polyether (e.g., polyether having a number average molecular weight of between 300 and 3,000 g/mol), each of which is substituted with two instances of –OH and optionally one or more substituents independently selected from the group consisting of halogen, unsubstituted alkyl, and –O–(unsubstituted alkyl), as valency permits. 25. The polymer of any one of claims 1, 3, and 6-24 or method of any one of claims 2-24, wherein at least one type of the diols is of the formula: , or an isotopically labeled compound thereof, wherein each instance of p is independently an integer between 10 and 30. 26. The polymer of any one of claims 1, 3, and 6-25 or method of any one of claims 2-25, wherein at least one type of the diols comprises one or two instances of C–NH–C. 27. The polymer of any one of claims 1, 3, and 6-26 or method of any one of claims 2-26, wherein at least one type of the polyols is a triol, wherein each of the triols is independently a compound comprising zero or more instances of C–OH, zero or more instances of –NH2, zero or more instances of –NH–, and zero instances of each of =N–OH and –NCO, wherein the combined number of C–OH, –NH2, and –NH– of each of the triols is three. 28. The polymer or method of claim 27, wherein at least one type of the triols is alkane substituted with three instances of –OH and optionally one or more substituents independently selected from the group consisting of halogen, unsubstituted alkyl, and –O–(unsubstituted alkyl), as valency permits. 29. The polymer of any one of claims 1, 3, and 6-28 or method of any one of claims 2-28, wherein at least one type of the polyols is glycerol, or an isotopically labeled compound thereof. 30. The polymer of any one of claims 1, 3, and 6-29 or method of any one of claims 2-29, wherein at least one type of the diols and/or at least one type of the polyols is a phenol, wherein each of the phenols is independently a diol or polyol, wherein one or more instances of –OH, – NH2, and/or –NH– are aryl-bound. 31. The polymer or method of claim 30, wherein at least one type of the phenols is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof, wherein: each instance of G2 is independently –OH, –NH2, or –NHR3; each instance of R3 is independently substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or a nitrogen protecting group; each instance of Ring A is aryl; each instance of R5 is independently halogen, substituted or unsubstituted alkyl, –O– (substituted or unsubstituted alkyl), –O–(substituted or unsubstituted aryl), or –O–(oxygen protecting group); each instance of k is independently 0, 1, 2, 3, or 4, as valency permits; each instance of L1 is independently a single bond, substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted heteroalkylene, substituted or unsubstituted heteroalkenylene, or substituted or unsubstituted heteroalkynylene; each instance of Ring D is independently aryl, heteroaryl, carbocyclyl, or heterocyclyl; each instance of R9 is independently halogen, substituted or unsubstituted alkyl, –O– (substituted or unsubstituted alkyl), –O–(substituted or unsubstituted aryl), or –O–(oxygen protecting group); each instance of v is independently 0, 1, 2, 3, or 4, as valency permits; each instance of x is independently 0 or 1; each instance of G4 is independently –OH, –NH2, or –NHR4; each instance of R4 is independently substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or a nitrogen protecting group; and each instance of m is independently 1, 2, 3, 4, or 5, as valency permits. 32. The polymer or method of claim 31, wherein at least one type of the phenols is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 33. The polymer or method of any one of claims 31-32, wherein at least one type of the phenols is of the formula: , or or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 34. The polymer or method of any one of claims 31-33, wherein at least one type of the phenols is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 35. The polymer or method of any one of claims 31-34, wherein at least one type of the phenols is of the formula: , , ,or , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 36. The polymer or method of any one of claims 31-35, wherein at least one instance of R3 is independently unsubstituted C1–3 alkyl. 37. The polymer or method of any one of claims 31-36, wherein at least one instance of R4 is independently unsubstituted C1–3 alkyl. 38. The polymer or method of any one of claims 31-37, wherein at least one instance of G2 is –OH. 39. The polymer or method of any one of claims 31-38, wherein at least one instance of Ring A is phenyl. 40. The polymer or method of any one of claims 31-39, wherein at least one instance of R5 is independently halogen, unsubstituted alkyl, or –O–(unsubstituted alkyl). 41. The polymer or method of any one of claims 31-40, wherein at least one instance of k is independently 0 or 1. 42. The polymer or method of any one of claims 31-41, wherein at least one instance of L1 is a single bond. 43. The polymer or method of any one of claims 31-42, wherein at least one instance of L1 is substituted or unsubstituted alkylene or substituted or unsubstituted alkenylene. 44. The polymer or method of any one of claims 31-43, wherein at least one instance of L1 is –CH2–, –(CH2)2–, –(CH2)3–, –(CH2)4–, –(CH2)5–, –(CH2)6–, (E)–CH=CH–, or (Z)–CH=CH–. 45. The polymer or method of any one of claims 31-44, wherein at least one instance of L1 is –(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–C(=O)–NH–(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–, –(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–NH–C(=O)–(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–, – (unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–O–C(=O)–NH–(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–, –(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–NH–C(=O)–O–(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–, or –(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–NH–C(=O)– NH–(unsubstituted C1-6 alkylene or unsubstituted C1-6 alkenylene)0-1–. 46. The polymer or method of any one of claims 31-45, wherein at least one instance of x is 0. 47. The polymer or method of any one of claims 31-46, wherein at least one instance of x is 1. 48. The polymer or method of any one of claims 31-47, wherein at least one instance of Ring D is phenyl. 49. The polymer or method of any one of claims 31-48, wherein at least one instance of m is 1. 50. The polymer or method of any one of claims 31-49, wherein at least one instance of G4 is –OH. 51. The polymer or method of any one of claims 31-50, wherein at least one instance of G4 is independently –NH2 or –NH–(unsubstituted alkyl). 52. The polymer of any one of claims 1, 3, and 6-51 or method of any one of claims 2-51, wherein at least one type of the diols is of the formula: (29), or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 53. The polymer of any one of claims 1, 3, and 6-52 or method of any one of claims 2-52, wherein the number of types of the diols is one. 54. The polymer of any one of claims 1, 3, and 6-52 or method of any one of claims 2-52, wherein the number of types of the diols is two. 55. The polymer of any one of claims 1, 3, and 6-54 or method of any one of claims 2-54, wherein at least one type of the polyols is of the formula: (31), (32), or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 56. The polymer of any one of claims 1, 3, and 6-55 or method of any one of claims 2-55, wherein the number of types of the polyols is one. 57. The polymer of any one of claims 1, 3, and 6-56 or method of any one of claims 2-56, wherein the equivalent ratio of the combination of all types of the dioximes if present and all types of the diols to the combination of all types of the polyoximes if present and all types of polyols is between 1:0.01 and 1:0.7, e.g., between 1:0.1 and 1:0.5. 58. The polymer of any one of claims 1, 3, and 6-57 or method of any one of claims 2-57, wherein at least one type of the isocyanates is a diisocyanate, wherein each of the diisocyanates is independently a compound comprising two instances of –NCO and zero instances of each of – OH, –NH2, and –NH–. 59. The polymer of any one of claims 1, 3, and 6-58 or method of any one of claims 2-58, wherein at least one type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof, wherein: each instance of u is independently 0 or 1; each instance of Ring B is independently aryl, heteroaryl, carbocyclyl, or heterocyclyl; each instance of R6 is independently halogen, substituted or unsubstituted alkyl, –O– (substituted or unsubstituted alkyl), –O–(substituted or unsubstituted aryl), or –O–(oxygen protecting group); each instance of q is independently 0, 1, 2, 3, or 4, as valency permits; each instance of L3 is independently a single bond, substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted heteroalkylene, substituted or unsubstituted heteroalkenylene, or substituted or unsubstituted heteroalkynylene, wherein zero or more backbone carbon atoms of the alkylene, alkenylene, alkynylene, heteroalkylene, heteroalkenylene, or heteroalkynylene are independently replaced with substituted or unsubstituted arylene, substituted or unsubstituted heteroarylene, substituted or unsubstituted carbocyclylene, or substituted or unsubstituted heterocyclylene, or a combination thereof, as valency permits; or a single bond when at least one of u and t is 1; each instance of t is independently 0 or 1; each instance of Ring C is independently aryl, heteroaryl, carbocyclyl, or heterocyclyl; each instance of R7 is independently halogen, substituted or unsubstituted alkyl, –O– (substituted or unsubstituted alkyl), –O–(substituted or unsubstituted aryl), or –O–(oxygen protecting group); and each instance of r is independently 0, 1, 2, 3, or 4, as valency permits. 60. The polymer or method of claim 59, wherein at least one instance of u is 1. 61. The polymer or method of any one of claims 59-60, wherein at least one instance of Ring B is independently phenyl or cyclohexyl. 62. The polymer or method of any one of claims 59-61, wherein at least one instance of t is 1. 63. The polymer or method of any one of claims 59-62, wherein at least one instance of Ring C is independently phenyl or cyclohexyl. 64. The polymer or method of any one of claims 59-63, wherein at least one type of the isocyanates is of the formula: or , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 65. The polymer or method of any one of claims 59-64, wherein at least one instance of u is 0. 66. The polymer or method of any one of claims 59-65, wherein at least one instance of t is 0. 67. The polymer or method of any one of claims 59-66, wherein at least one instance of L3 is substituted or unsubstituted alkylene or substituted or unsubstituted heteroalkylene, wherein zero or more backbone carbon atoms of the alkylene or heteroalkylene are replaced with substituted or unsubstituted heterocyclylene, as valency permits. 68. The polymer of any one of claims 1, 3, and 6-67 or method of any one of claims 2-67, wherein at least one type of the isocyanates is of the formula: or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. 69. The polymer of any one of claims 1, 3, and 6-68 or method of any one of claims 2-68, wherein at least one type of the isocyanates is of the formula: , , or , or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. 70. The polymer of any one of claims 1, 3, and 6-69 or method of any one of claims 2-69, wherein at least one type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof, wherein: each instance of L4 is independently substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted heteroalkylene, substituted or unsubstituted heteroalkenylene, or substituted or unsubstituted heteroalkynylene, wherein zero or more backbone carbon atoms of the alkylene, alkenylene, alkynylene, heteroalkylene, heteroalkenylene, or heteroalkynylene are independently replaced with substituted or unsubstituted arylene, substituted or unsubstituted heteroarylene, substituted or unsubstituted carbocyclylene, or substituted or unsubstituted heterocyclylene, or a combination thereof, as valency permits; and each instance of R8 is independently hydrogen or –NCO. 71. The polymer of any one of claims 1, 3, and 6-70 or method of any one of claims 2-70, wherein at least one type of the isocyanates is a triisocyanate, wherein each of the triisocyanates is independently a compound comprising three instances of –NCO and zero instances of each of –OH, –NH2, and –NH–. 72. The polymer or method of claim 70, wherein at least one instance of R8 is –NCO. 73. The polymer of any one of claims 1, 3, and 6-72 or method of any one of claims 2-72, wherein at least one type of the isocyanates is of the formula: (101), or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. 74. The polymer of any one of claims 1, 3, and 6-73 or method of any one of claims 2-73, wherein at least one type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. 75. The polymer of any one of claims 1, 3, and 6-74 or method of any one of claims 2-74, wherein the number of types of the isocyanates is one. 76. The polymer of any one of claims 1, 3, and 6-75 or method of any one of claims 2-75, wherein the equivalent ratio of all types of the oximes to all types of the isocyanates is between 0.21:1 and 1.9:1, e.g., between 0.42:1 and 0.95:1. 77. The polymer of any one of claims 1, 3, and 6-76 or method of any one of claims 2-76, wherein the equivalent ratio of all types of the diols to all types of the isocyanates is between 0.07:1 and 0.63:1, e.g., between 0.14:1 and 0.32:1. 78. The polymer of any one of claims 1, 3, and 6-77 or method of any one of claims 2-77, wherein the equivalent ratio of all types of the polyols to all types of the isocyanates is between 0.037:1 and 0.33:1, e.g., between 0.074:1 and 0.17:1. 79. The polymer of any one of claims 1, 3, and 6-77 or method of any one of claims 2-77, wherein the equivalent ratio of all types of the polyols to all types of the isocyanates is between 0.15:1 and 0.8:1, e.g., between 0.15:1 and 0.3:1. 80. The polymer of any one of claims 1, 3, and 6-79 or method of any one of claims 2-79, wherein the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 0.3:1 and 0.8:1, e.g., between 0.6:1 and 0.7:1. 81. The polymer of any one of claims 1, 3, and 6-79 or method of any one of claims 2-79, wherein the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 0.8:1 and 1.1:1, e.g., between 0.9:1 and 1:1. 82. The polymer of any one of claims 1, 3, and 6-81 or method of any one of claims 2-81, wherein the polymerization mixture further comprises a polymerization catalyst. 83. The polymer or method of claim 82, wherein the polymerization catalyst is dibutyltin dilaurate, dibutyltin mercaptide, dibutyltin thiocarboxylate, tin(II) 2-ethylhexanoate, sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, calcium carbonate, calcium bicarbonate, tris(acetylacetonato)iron(III), triethylenediamine, 1,4- diazabicyclo[2.2.2]octane, dimethylcyclohexylamine, dimethylethanolamine, or bis-(2- dimethylaminoethyl)ether, or a salt, solvate, polymorph, or co-crystal thereof, or a mixture thereof. 84. The polymer or method of any one of claims 82-83, wherein the weight ratio of the polymerization catalyst to the combination of: all types of the oximes, all types of the diols, all types of the polyols, and all types of the isocyanates is between 0.003:1 and 0.03:1, e.g., between 0.005:1 and 0.02:1. 85. The polymer of any one of claims 1, 3, and 6-84 or method of any one of claims 2-84, wherein the polymerization mixture further comprises a solvent. 86. The polymer or method of claim 85, wherein the solvent is a mixture of acetone and methyl ethyl ketone, wherein the volume ratio of acetone to methyl ethyl ketone is between 1:9 and 9:1, e.g., between 1:2 and 2:1. 87. The polymer or method of any one of claims 85-86, wherein the solvent is methyl ethyl ketone. 88. The polymer of any one of claims 1, 3, and 6-87 or method of any one of claims 2-87, wherein the polymerization mixture is substantially free of water and dioxygen. 89. The polymer of any one of claims 1, 3, and 6-88 or method of any one of claims 2-88, wherein the polymerization mixture is prepared by a method comprising: reacting a first mixture comprising one or more types of diols, one or more types of isocyanates, and optionally one or more types of oximes at a sixth temperature for a sixth time duration; and mixing the first mixture, one or more types of oximes, and one or more types of polyols. 90. The polymer or method of claim 89, wherein the first mixture is substantially free of a solvent. 91. The polymer or method of any one of claims 89-90, wherein the first mixture further comprises a solvent. 92. The polymer or method of any one of claims 89-91, wherein the first mixture is substantially free of water and dioxygen. 93. The polymer or method of any one of claims 89-92, wherein the sixth temperature is between 40 and 60, between 60 and 80, between 80 and 100, between 100 and 120, or between 120 and 140 °C, e.g., between 90 and 110 °C. 94. The polymer or method of any one of claims 89-93, wherein the sixth time duration is between 10 minutes and 1 hour, between 1 and 3 hours, between 3 and 8 hours, between 8 and 24 hours, or between 1 and 3 days, e.g., between 0.5 and 4 hours. 95. The polymer of any one of claims 1, 3, and 6-94 or method of any one of claims 2-94, wherein the method further comprises cooling the first mixture to between 20 and 30 °C, wherein the step of cooling is subsequent to the step of reacting and prior to the step of mixing. 96. The polymer of any one of claims 1, 3, and 6-95 or method of any one of claims 2-95, wherein the method further comprises curing the polymerization mixture at a seventh temperature for a seventh time duration. 97. The polymer or method of claim 96, wherein the seventh temperature is between 30 and 40, between 40 and 50, between 50 and 60, between 60 and 70, or between 70 and 80 °C, e.g., between 40 and 60 °C. 98. The polymer or method of any one of claims 96-97, wherein the seventh time duration is between 1 and 3 hours, between 3 and 8 hours, between 8 and 24 hours, or between 1 and 3 days, e.g., between 6 and 24 hours. 99. The polymer of any one of claims 1, 3, and 6-98 or method of any one of claims 2-98, wherein the method further comprising removing substantially all the solvent. 100. The polymer of any one of claims 1, 3, and 6-99 or method of any one of claims 2-99, wherein the polymer is a polyurethane, polyurea, polyurethaneurea, or a combination thereof. 101. The polymer of any one of claims 1, 3, and 6-100 or method of any one of claims 2-100, wherein the number average molecular weight of the polymer is between 5,000 and 10,000, between 10,000 and 30,000, between 30,000 and 100,000, between 100,000 and 300,000, or between 300,000 and 1,000,000, g/mol. 102. The polymer of any one of claims 1, 3, and 6-101 or method of any one of claims 2-101, wherein the dispersity of the polymer is between 1.0 and 1.5, between 1.5 and 2.0, between 2.0 and 2.5, or between 2.5 and 3.0. 103. The polymer of any one of claims 1, 3, and 6-102 or method of any one of claims 2-102, wherein the average crosslinking degree of the polymer is between 10% and 20%, between 20% and 30%, between 30% and 40%, between 40% and 50%, or between 50% and 60%, mole:mole. 104. The polymer of any one of claims 1, 3, and 6-103 or method of any one of claims 2-103, wherein: the oximes, diols, polyols, and isocyanates are: or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof; and the polymerization mixture further comprises the solvent, wherein the solvent comprises at least 10% by volume methyl ethyl ketone. 105. The polymer of any one of claims 1, 3, and 6-103 or method of any one of claims 2-103, wherein the oximes, diols, polyols, and isocyanates are: or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. 106. The polymer of any one of claims 1, 3, and 6-105 or method of any one of claims 2-105, wherein the polymer is a thermoset. 107. The polymer of any one of claims 1, 3, and 6-106 or method of any one of claims 2-106, wherein the polymer is capable of undergoing a reversable transition from a thermoset state to a thermoplastic state. 108. The polymer of any one of claims 1, 3, and 6-107 or method of any one of claims 2-107, where the viscosity of the polymer at 10 °C above the transition temperature is between 1 cP and 250,000 cP, between 100 cP and 75,000 cP, or between 1000 cP and 20,000 cP. 109. The polymer of any one of claims 1, 3, and 6-108 or method of any one of claims 2-108, wherein the polymer is transparent under American Society for Testing and Materials (ASTM) Standard D 1746. 110. A composition comprising the polymer of any one of claims 1, 3, and 6-109. 111. The composition of claim 110 further comprising one or more adhesion promoters, one or more fillers, and/or one or more rheology modifiers. 112. A kit comprising: the polymer of any one of claims 1, 3, and 6-109 or the composition of any one of claims 110-111; and instructions for using the polymer or composition. 113. The polymer of any one of claims 1, 3, and 6-109, method of any one of claims 2-109, composition of any one of claims 110-111, or kit of claim 112, wherein the polymer or composition is in the form of a film (e.g., die cut film), powder, pellet, solid, rod, cylinder, or tube (e.g., die cut tube). 114. The polymer, method, composition, or kit of claim 113, wherein the polymer or composition is in the form of a film, wherein the average thickness of the film is between 0.001 and 1 mm, e.g., between 0.15 and 0.5 mm. 115. The polymer of any one of claims 1, 3, 6-109, and 113-114, method of any one of claims 2-109 and 113-114, composition of any one of claims 110-111 and 113-114, or kit of any one of claims 112-114, wherein the polymer or composition is capable of bonding to a solid substrate below the transition temperature of the polymer. 116. The polymer of any one of claims 1, 3, 6-109, and 113-115, method of any one of claims 2-109 and 113-115, composition of any one of claims 110-111 and 113-115, or kit of any one of claims 112-115, wherein the polymer or composition is capable of, after bonding to the solid substrate, reversable de-bonding from the solid substrate at or above the transition temperature of the polymer. 117. The polymer of any one of claims 1, 3, 6-109, and 113-116, method of any one of claims 2-109 and 113-116, composition of any one of claims 110-111 and 113-116, or kit of any one of claims 112-116, wherein the transition temperature is between 50 and 170 °C, e.g., between 60 and 160 °C, e.g., between 70 and 150 °C. 118. The polymer of any one of claims 1, 3, 6-109, and 113-117, method of any one of claims 2-109 and 113-117, composition of any one of claims 110-111 and 113-117, or kit of any one of claims 112-117, wherein the polymer or composition is suitable for use as a hot melt adhesive. 119. A method of bonding comprising: applying the polymer of any one of claims 1, 3, 6-109, and 113-118 or composition of any one of claims 110-111 and 113-118 to a surface of a first solid substrate; contacting the polymer or composition on the surface of the first solid substrate with a surface of a second solid substrate; and curing the polymer or composition on the surface of the first solid substrate to form bonded first and second substrates; or applying the polymer or composition to a surface of a first solid substrate and a surface of a second solid substrate; contacting the polymer or composition on the surface of the first solid substrate with the polymer or composition on the surface of the second solid substrate; and curing the polymer or composition on the surface of the first solid substrate and the polymer or composition on the surface of the second solid substrate to form bonded first and second substrates; wherein the first solid substrate is the same or different from the second solid substrate. 120. The method of claim 119, wherein the method further comprises heating the polymer or composition to a second temperature, wherein: the polymer or composition are flowable at the second temperature, and the step of heating the polymer or composition to a second temperature occurs: prior to the step of applying the polymer or composition; subsequent to the step of applying the polymer or composition and prior to the step of contacting the polymer or composition; or subsequent to the step of contacting the polymer or composition and prior to the step of curing the polymer or composition. 121. The method of claim 120, wherein the second temperature is between 50 and 170 °C, e.g., between 60 and 160 °C, e.g., between 70 and 150 °C. 122. The method of any one of claims 119-121, wherein the step of curing the polymer or composition is substantially free of water. 123. The method of any one of claims 119-122, wherein the step of curing the polymer or composition comprises: maintaining the polymer or composition at a third temperature for a third time duration, wherein the third temperature is between 50 and 220 °C; and maintaining the polymer or composition at a fourth temperature for a fourth time duration, wherein the fourth temperature is between 20 and 30 °C. 124. The method of claim 123, wherein the third temperature is between 100 and 120, between 120 and 140, between 140 and 160, between 160 and 180, between 180 and 200, or between 200 and 220 °C, e.g., between 130 and 200 °C. 125. The polymer or method of any one of claims 123-124, wherein the third time duration is between 5 and 20 minutes, between 20 minutes and 1 hour, between 1 and 3 hours, between 3 and 8 hours, or between 8 and 24 hours, e.g., between 10 minutes and 8 hours. 126. The polymer or method of any one of claims 123-125, wherein the fourth time duration is between 10 minute and 1 hour, between 1 and 8 hours, between 8 and 24 hours, between 1 and 3 days, between 3 and 7 days, between 7 and 14 days, or between 14 to 30 days, e.g., between 3 and 14 days, e.g., between 30 minutes and 4 days. 127. A method of de-bonding comprising maintaining the bonded first and second substrates recited in any one of claims 119-126 at a fifth temperature for a fifth time duration sufficient to form de-bonded first and solid substrates, wherein: the fifth temperature is between 40 and 60, between 60 and 80, between 80 and 100, between 100 and 120, between 120 and 140, between 140 and 160, between 160 and 180, or between 180 and 200 °C, e.g., between 50 and 150 °C; and the fifth time duration is between 10 and 60 seconds, between 1 and 10 minutes, between 10 and 60 minutes, between 1 and 8 hours, or between 8 and 24 hours, e.g., between 10 seconds and 2 minutes. 128. The polymer, composition, or kit of any one of claims 115-118, or method of any one of claims 115-127, wherein the solid substrate is a metal (e.g., metal alloy, anodized metal, or metal oxide), glass, ceramic, composite, plastic (e.g., filled plastic or plastic blend), or wood. 129. The polymer, composition, or kit of any one of claims 115-118, or method of any one of claims 115-127, wherein the solid substrate is a textile (e.g., textile bonded to plastic), leather, paper, or cardboard. 130. The polymer, composition, or kit of any one of claims 115-118 and 128-129, or method of any one of claims 115-129, wherein the solid substrate is part of: an electronic device, soft goods, aircraft, vehicle, civil engineering structure, or building. 131. The polymer, method, composition, or kit of claim 130, wherein the electronic device is a phone (e.g., mobile phone), computer (e.g., laptop computer or tablet computer), watch, keyboard, or display, or a component thereof (e.g., phone cover or watch strap). |
or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. In certain embodiments, least one type of the polyols (which is a triol and a phenol) is of the formula: or ( ; g ), ( ; p ), or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. In certain embodiments, the molecular weight of at least one (e.g., each) type of the phenols is between 110 and 200, between 200 and 300, between 300 and 400, or between 400 and 600, g/mol. In certain embodiments, the number of types of the phenols is one. In certain embodiments, the number of types of the phenols is two. In certain embodiments, each type of the phenols is substantially free of water. In certain embodiments, at least one (e.g., each) type of the isocyanates is a diisocyanate, wherein each of the diisocyanates is independently a compound comprising two instances of – NCO and zero instances of each of –OH, –NH 2 , and –NH–. In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof, wherein: each instance of u is independently 0 or 1; each instance of Ring B is independently aryl, heteroaryl, carbocyclyl, or heterocyclyl; each instance of R 6 is independently halogen, substituted or unsubstituted alkyl, –O– (substituted or unsubstituted alkyl), –O–(substituted or unsubstituted aryl), or –O–(oxygen protecting group); each instance of q is independently 0, 1, 2, 3, or 4, as valency permits; each instance of L 3 is independently substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted heteroalkylene, substituted or unsubstituted heteroalkenylene, or substituted or unsubstituted heteroalkynylene, wherein zero or more (e.g., one or two) backbone carbon atoms of the alkylene, alkenylene, alkynylene, heteroalkylene, heteroalkenylene, or heteroalkynylene are independently replaced with substituted or unsubstituted arylene, substituted or unsubstituted heteroarylene, substituted or unsubstituted carbocyclylene, or substituted or unsubstituted heterocyclylene, or a combination thereof, as valency permits; or a single bond when at least one (e.g., each) of u and t is 1; each instance of t is independently 0 or 1; each instance of Ring C is independently aryl, heteroaryl, carbocyclyl, or heterocyclyl; each instance of R 7 is independently halogen, substituted or unsubstituted alkyl, –O– (substituted or unsubstituted alkyl), –O–(substituted or unsubstituted aryl), or –O–(oxygen protecting group); and each instance of r is independently 0, 1, 2, 3, or 4, as valency permits. In certain embodiments, at least one (e.g., each) instance of u is 0. In certain embodiments, at least one (e.g., each) instance of u is 1. In certain embodiments, at least one (e.g., each) instance of Ring B is independently phenyl or cyclohexyl. In certain embodiments, at least one (e.g., each) instance of Ring B is independently monocyclic, 4- to 8-membered carbocyclyl. In certain embodiments, at least one (e.g., each) instance of R 6 is independently halogen, unsubstituted alkyl, or –O–(unsubstituted alkyl). In certain embodiments, at least one (e.g., each) instance of q is 0. In certain embodiments, at least one (e.g., each) instance of q is 1. In certain embodiments, at least one (e.g., each) instance of t is 0. In certain embodiments, at least one (e.g., each) instance of t is 1. In certain embodiments, at least one (e.g., each) instance of Ring C is independently phenyl or cyclohexyl. In certain embodiments, at least one (e.g., each) instance of Ring C is independently monocyclic, 4- to 8-membered carbocyclyl. In certain embodiments, at least one (e.g., each) instance of R 7 is independently halogen, unsubstituted alkyl, or –O–(unsubstituted alkyl). In certain embodiments, at least one (e.g., each) instance of r is 0. In certain embodiments, at least one (e.g., each) instance of r is 1. In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: or or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. In certain embodiments, at least one (e.g., each) instance of L 3 is a single bond. In certain embodiments, at least one (e.g., each) instance of L 3 is substituted or unsubstituted alkylene or substituted or unsubstituted heteroalkylene, wherein zero or more (e.g., one or two) backbone carbon atoms of the alkylene or heteroalkylene are replaced with substituted or unsubstituted heterocyclylene, as valency permits. In certain embodiments, at least one (e.g., each) instance of L 3 is substituted or unsubstituted alkylene. In certain embodiments, at least one (e.g., each) instance of L 3 is –CH2–, –(CH2)2–, –(CH2)3–, –(CH2)4–, –(CH2)5–, or –(CH2)6–. In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof, wherein each instance of R 14 is H, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or an oxygen protecting group. In certain embodiments, at least one (e.g., each) instance of R 14 is unsubstituted alkyl (e.g., unsubstituted C1-3 alkyl). In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: , , or , or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. In certain embodiments, at least one (e.g., each) type of the isocyanates is a polyisocyanate. In certain embodiments, a polyisocyanate is a compound comprising three or more (e.g., four) instances of –NCO and zero instances of each of –OH, –NH2, and –NH–. In certain embodiments, at least one (e.g., each) type of the isocyanates is a Desmodur ® polyisocyanate (e.g., a Desmodur ® aliphatic polyisocyanate, e.g., Desmodur® N 3200, Desmodur® N 3300, Desmodur® N 3400, Desmodur® N 3500, Desmodur® N 3600, Desmodur® N 3700, Desmodur® N 3800, Desmodur® N 3900, Desmodur® N 31000, or Desmodur® N 31100, or a mixture thereof). In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof, wherein: each instance of L 4 is independently substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted heteroalkylene, substituted or unsubstituted heteroalkenylene, or substituted or unsubstituted heteroalkynylene, wherein zero or more (e.g., one or two) backbone carbon atoms of the alkylene, alkenylene, alkynylene, heteroalkylene, heteroalkenylene, or heteroalkynylene are independently replaced with substituted or unsubstituted arylene, substituted or unsubstituted heteroarylene, substituted or unsubstituted carbocyclylene, or substituted or unsubstituted heterocyclylene, or a combination thereof, as valency permits; and each instance of R 8 is independently hydrogen or –NCO. In certain embodiments, at least one (e.g., each) type of the isocyanates is a triisocyanate, wherein each of the triisocyanates is independently a compound comprising three instances of – NCO and zero instances of each of –OH, –NH2, and –NH–. In certain embodiments, at least one (e.g., each) instance of R 8 is –NCO. In certain embodiments, at least one (e.g., each) instance of L 4 is substituted or unsubstituted alkylene or substituted or unsubstituted heteroalkylene, wherein zero or more (e.g., one or two) backbone carbon atoms of the alkylene or heteroalkylene are replaced with substituted or unsubstituted heterocyclylene, as valency permits. In certain embodiments, at least one (e.g., each) instance of L 4 is substituted or unsubstituted alkylene (e.g., unsubstituted unbranched C 2-12 alkylene). In certain embodiments, at least one (e.g., each) instance of L 4 is – CH2–, –(CH2)2–, –(CH2)3–, –(CH2)4–, –(CH2)5–, –(CH2)6–, –(CH2)7–, or –(CH2)8–. In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: (101), or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. In certain embodiments, at least one (e.g., each) type of the isocyanates is of the formula: , or a tautomer, isotopically labeled compound, solvate, polymorph, or co-crystal thereof. In certain embodiments, the molecular weight of at least one (e.g., each) type of the isocyanates is between 100 and 200, between 200 and 300, between 300 and 400, or between 400 and 600, g/mol. In certain embodiments, the number of types of the isocyanates is one. In certain embodiments, the number of types of the isocyanates is two. In certain embodiments, each type of the isocyanates is substantially free of water. In certain embodiments, each type of the isocyanates is independently between 90% and 95%, between 95% and 97%, between 97% and 99%, between 99% and 99.5%, or between 99.5% and 99.9%, free of water. In certain embodiments, the equivalent ratio of all types of the oximes to all types of the isocyanates is between 0.21:1 and 1.9:1, e.g., between 0.42:1 and 0.95:1. In certain embodiments, the equivalent ratio of all types of the oximes to all types of the isocyanates is between 0.21:1 and 0.42:1 or between 0.95:1 and 1.9:1. In certain embodiments, the equivalent ratio of all types of the polyols to all types of the isocyanates is between 0.037:1 and 0.33:1, e.g., between 0.074:1 and 0.17:1. In certain embodiments, the equivalent ratio of all types of the polyols to all types of the isocyanates is between 0.037:1 and 0.074:1 or between 0.17:1 and 0.33:1. In certain embodiments, the equivalent ratio of all types of the polyols to all types of the isocyanates is between 0.15:1 and 0.8:1, e.g., between 0.15:1 and 0.3:1. In certain embodiments, the equivalent ratio of all types of the polyols to all types of the isocyanates is between 0.3:1 and 0.5:1 or between 0.5:1 and 0.8:1. A polymer with excess amount of all types of isocyanates may show increased strength while still maintaining the debonding characteristics. In certain embodiments, the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 0.3:1 and 0.8:1, e.g., between 0.6:1 and 0.7:1. In certain embodiments, the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 0.3:1 and 0.4:1, between 0.4:1 and 0.5:1, between 0.5:1 and 0.6:1, or between 0.7:1 and 0.8:1. In certain embodiments, the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 0.8:1 and 1.1:1, e.g., between 0.9:1 and 1:1. In certain embodiments, the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 0.8:1 and 0.85:1, between 0.85:1 and 0.9:1, between 0.9:1 and 0.95:1, or between 0.95:1 and 1:1. In certain embodiments, the equivalent ratio of the combination of: all types of the oximes, all types of the diols, and all types of the polyols to all types of the isocyanates is between 1:1 and 1.1:1. In certain embodiments, the equivalent ratio of all types of the oximes to all types of the diols to all types of the polyols to all types of the isocyanates is about 3:1:0.5:4.75. In certain embodiments, the equivalent ratio of all types of the oximes to all types of the diols to all types of the polyols to all types of the isocyanates is about 3:1:0.5:5. In certain embodiments, the polymerization mixture further comprises a polymerization catalyst (e.g., catalyst for preparing polymers). In certain embodiments, the polymerization mixture of the one-step method further comprises a polymerization catalyst. In certain embodiments, the polymerization mixture of the two-step method is substantially free (e.g., between 90% and 95%, between 95% and 97%, between 97% and 99%, between 99% and 99.5%, or between 99.5% and 99.9%, free) of a polymerization catalyst. In certain embodiments, the polymerization catalyst is an organometallic catalyst for preparing polymers. In certain embodiments, the polymerization catalyst is an organometallic catalyst comprising Sn(II), Sn(IV), Na(I), K(I), Ca(II), or Fe(III). In certain embodiments, the polymerization catalyst is dibutyltin dilaurate, dibutyltin mercaptide, dibutyltin thiocarboxylate, tin(II) 2-ethylhexanoate, sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, calcium carbonate, calcium bicarbonate, tris(acetylacetonato)iron(III), triethylenediamine, 1,4- diazabicyclo[2.2.2]octane, dimethylcyclohexylamine, dimethylethanolamine, or bis-(2- dimethylaminoethyl)ether, or a salt, solvate, polymorph, or co-crystal thereof, or a mixture thereof. In certain embodiments, the weight ratio of the polymerization catalyst to the combination of: all types of the oximes, all types of the diols, all types of the polyols, and all types of the isocyanates is between 0.003:1 and 0.03:1, e.g., between 0.005:1 and 0.02:1. In certain embodiments, the weight ratio of the polymerization catalyst to the combination of: all types of the oximes, all types of the diols, all types of the polyols, and all types of the isocyanates is between 0.001:1 and 0.003:1, between 0.003:1 and 0.01:1, between 0.01:1 and 0.03:1, or between 0.03:1 and 0.1:1. In certain embodiments, the polymerization mixture further comprises a solvent. In certain embodiments, the solvent is substantially one single solvent. In certain embodiments, the solvent is a mixture of two or more (e.g., three) solvents (e.g., solvents described in this paragraph). In certain embodiments, the solvent is an organic solvent. In certain embodiments, the solvent is a non-aromatic organic solvent. In certain embodiments, the solvent is acetone. In certain embodiments, the solvent is methyl ethyl ketone. In certain embodiments, the solvent is a mixture of acetone and methyl ethyl ketone. In certain embodiments, the solvent is a mixture of acetone and methyl ethyl ketone, wherein the volume ratio of acetone to methyl ethyl ketone is between 1:9 and 9:1, e.g., between 1:2 and 2:1. In certain embodiments, the solvent is a mixture of acetone and methyl ethyl ketone, wherein the volume ratio of acetone to methyl ethyl ketone is between 1:1.5 and 1.5:1, between 1:3 and 3:1, or between 1:5 and 5:1. In certain embodiments, the solvent is a mixture of acetone and methyl isopropyl ketone. In certain embodiments, the solvent is a mixture of acetone and 2-pentanone. In certain embodiments, the solvent is a mixture of acetone and 3-pentanone. In certain embodiments, the solvent is acetonitrile, dioxane, tetrahydrofuran, methyl tert-butyl ether, or 2-methyltetrahydrofuran, or a mixture thereof. In certain embodiments, the solvent is N,N-dimethylacetamide. In certain embodiments, the solvent is substantially free (e.g., between 90% and 95%, between 95% and 97%, between 97% and 99%, between 99% and 99.5%, or between 99.5% and 99.9%, free) of N,N-dimethylacetamide. In certain embodiments, the boiling point of the solvent at 1 atm is between 50 and 60, between 60 and 70, between 70 and 80, between 80 and 90, between 90 and 100, or between 100 and 120 °C (e.g., between 50 and 90°C). The solvent may be adjusted to improve film quality and prevent bubbles during solvent flash at elevated temperature during drying. In certain embodiments, the solvent is substantially free of water. In certain embodiments, the polymerization mixture is substantially free of water. In certain embodiments, the solvent is substantially free of dioxygen. In certain embodiments, the polymerization mixture is substantially free of dioxygen. In certain embodiments, the solvent is substantially free of water and dioxygen. In certain embodiments, the polymerization mixture is substantially free of water and dioxygen. In certain embodiments, each substantially free of dioxygen is independently between 90% and 95%, between 95% and 97%, between 97% and 99%, between 99% and 99.5%, or between 99.5% and 99.9%, free of dioxygen. In certain embodiments, the polymerization mixture is under an inert atmosphere. In certain embodiments, the ratio of the combined weight of all types of diols, all types of polyols, all types of isocyanates, and all types of oximes to the volume of the solvent is about 1:0.7 g/ml. In certain embodiments, the ratio of the combined weight of all types of diols, all types of polyols, all types of isocyanates, and all types of oximes to the volume of the solvent is between 1:0.3 and 1:10 g/ml. In certain embodiments, the ratio of the combined weight of all types of diols, all types of polyols, all types of isocyanates, and all types of oximes to the volume of the solvent is between 1:0.1 and 1:0.3, between 1:0.3 and 1:0.7, between 1:0.7 and 1:1, between 1:1 and 1:2, between 1:2 and 1:3, between 1:3 and 1:5, between 1:5 and 1:10, between 1:10 and 1:20, or between 1:20 and 1:40, g/ml. Unless otherwise provided, any of the mixtures and steps is under a pressure between 0.5 and 1.1 atm (e.g., between 0.8 and 1.1 atm). In certain embodiments, the polymerization mixture is prepared by a method (“one-step method”) comprising reacting a first mixture comprising one or more types of diols, one or more types of isocyanates, one or more types of polyols, and one or more types of oximes at a sixth temperature for a sixth time duration. In certain embodiments, the polymerization mixture is prepared by a method (“two-step method”) comprising: reacting a first mixture comprising one or more types of diols, one or more types of isocyanates, and optionally one or more types of oximes at a sixth temperature for a sixth time duration; and mixing the first mixture, one or more types of oximes, and one or more types of polyols. The two-step method may be advantageous over the one-step method at least because the polymers prepared by the former may show higher strength than the polymers prepared by the latter. In certain embodiments, the first mixture comprises one or more types of diols and one or more types of isocyanates. In certain embodiments, the first mixture comprises one or more types of diols, one or more types of isocyanates, and one or more types of oximes. In certain embodiments, at least one type of the oximes of the first mixture is the same as at least one type of the oximes of the step of mixing. In certain embodiments, at least one type of the oximes of the first mixture is different from at least one type of the oximes of the step of mixing. In certain embodiments, the first mixture is substantially free (e.g., between 90% and 95%, between 95% and 97%, between 97% and 99%, between 99% and 99.5%, or between 99.5% and 99.9%, free) of a solvent. In certain embodiments, the first mixture further comprises a solvent. In certain embodiments, the first mixture is substantially free of water and dioxygen. In certain embodiments, the first mixture is substantially free of water. In certain embodiments, the first mixture is substantially free of dioxygen. In certain embodiments, the first mixture is under an inert atmosphere. In certain embodiments, the sixth temperature is between 40 and 60, between 60 and 80, between 80 and 100, between 100 and 120, or between 120 and 140 °C, e.g., between 90 and 110 °C. In certain embodiments, the sixth time duration is between 10 minutes and 1 hour, between 1 and 3 hours, between 3 and 8 hours, between 8 and 24 hours, or between 1 and 3 days, e.g., between 0.5 and 4 hours. In certain embodiments, the method further comprises cooling the first mixture to between 20 and 30 °C, wherein the step of cooling is subsequent to the step of reacting and prior to the step of mixing. In certain embodiments, the method further comprises curing the polymerization mixture at a seventh temperature for a seventh time duration. In certain embodiments, the seventh temperature is between 30 and 40, between 40 and 50, between 50 and 60, between 60 and 70, or between 70 and 80 °C, e.g., between 40 and 60 °C. In certain embodiments, the seventh time duration is between 1 and 3 hours, between 3 and 8 hours, between 8 and 24 hours, or between 1 and 3 days, e.g., between 6 and 24 hours. In certain embodiments, the step of removing comprises an eighth temperature, an eighth pressure, and an eighth time duration. In certain embodiments, the eighth temperature is between 30 and 40, between 40 and 50, between 50 and 60, between 60 and 80, or between 80 and 100 °C, e.g., between 50 and 80 °C. In certain embodiments, the eighth pressure is between 10 -7 and 10 -6 , between 10 -6 and 10- 5, between 10 -5 and 10 -4 , between 10 -4 and 10 -3 , or between 10 -3 and 10 -2 atm, e.g., between 10 -6 and 10 -4 atm. In certain embodiments, the eighth time duration is between 1 and 3 hours, between 3 and 8 hours, between 8 and 24 hours, between 1 and 3 days, or between 3 and 7 days, e.g., between 12 and 48 hours. In certain embodiments, the method comprising reacting the polymerization mixture and the method of preparing a polymer further comprise removing substantially all the solvent. In certain embodiments, the step of removing substantially all the solvent comprises evaporating substantially all the solvent under reduced pressure at a temperature of between 50 and 60, between 60 and 70, between 70 and 80, or between 80 and 90 °C, for a time duration of between 1 and 8 hours, between 8 and 24 hours, between 1 and 3 days, between 3 and 7 days, or between 7 and 14 days. In certain embodiments, the reduced pressure is between 0.001 and 0.01, between 0.01 and 0.1, or between 0.1 and 1 atm. In certain embodiments, substantially all the solvent is between 90% and 95%, between 95% and 97%, between 97% and 99%, between 99% and 99.5%, or between 99.5% and 99.9% of the solvent. In certain embodiments, the oximes, diols, polyols, and isocyanates are: or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof; and the polymerization mixture further comprises the solvent, wherein the solvent comprises at least 10% by volume methyl ethyl ketone. In certain embodiments, the oximes, diols, polyols, and isocyanates, and the equivalents thereof, are: or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof; and the polymerization mixture further comprises the solvent, wherein the solvent comprises at least 10% by volume methyl ethyl ketone. In certain embodiments, the oximes, diols, polyols, and isocyanates are:
or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. In certain embodiments, the oximes, diols, polyols, and isocyanates, and the equivalents thereof, are:
or a tautomer, isotopically labeled compound, salt, solvate, polymorph, or co-crystal thereof. In certain embodiments, the polymer is a polyurethane, polyurea, polyurethaneurea, or a combination (e.g., blend) thereof. In certain embodiments, the polymer is a polyurethane. In certain embodiments, the polymer is a polyurea. In certain embodiments, the polymer is a polyurethaneurea. In certain embodiments, the polymer is a combination of a polyurethane and a polyurea. In certain embodiments, the polymer is a combination of a polyurethane and a polyurethaneurea. In certain embodiments, the polymer is a combination of a polyurea and a polyurethaneurea. In certain embodiments, the polymer is a combination of a polyurethane, a polyurea, a polyurethaneurea. In certain embodiments, the number average molecular weight of the polymer is between 5,000 and 10,000, between 10,000 and 30,000, between 30,000 and 100,000, between 100,000 and 300,000, or between 300,000 and 1,000,000, g/mol. In certain embodiments, the dispersity of the polymer is between 1.0 and 1.5, between 1.5 and 2.0, between 2.0 and 2.5, or between 2.5 and 3.0. In certain embodiments, the average crosslinking degree of the polymer is between 10% and 20%, between 20% and 30%, between 30% and 40%, between 40% and 50%, or between 50% and 60%, mole:mole. In certain embodiments, the average crosslinking degree is determined by swelling measurements. In certain embodiments, the polymer is crosslinked. In certain embodiments, the polymer is a thermoset. In certain embodiments, the polymer is capable of undergoing a reversable transition from a cross-linked state to a lightly cross-linked or un-crosslinked state. In certain embodiments, the polymer is capable of undergoing a reversable transition from a thermoset state to a thermoplastic state. In certain embodiments, the polymer is with a transition temperature between 50 and 170 °C, e.g., between 60 and 160 °C, e.g., between 70 and 150 °C. In certain embodiments, the polymer is with a transition temperature between 50 and 60, between 60 and 70, between 70 and 80, between 80 and 100, between 100 and 120, between 120 and 140, or between 140 and 160 °C. In certain embodiments, the viscosity of the polymer at 10 °C above the transition temperature is between 1 cP and 250,000 cP, between 100 cP and 75,000 cP, or between 1000 cP and 20,000 cP. In certain embodiments, the viscosity of the polymer at 10 °C above the transition temperature is between 1 and 10, between 10 and 100, between 100 and 1,000, between 1,000 and 10,000, or between 10,000 and 100,000 cP. In certain embodiments, the polymer is transparent (e.g., having a total transmittance of between 80% and 85%, between 85% and 90%, between 90% and 95%, between 95% and 99%, or between 99% and 99.9%.) under American Society for Testing and Materials (ASTM) Standard D 1746. In another aspect, the present disclosure provides compositions comprising the polymer. In certain embodiments, the composition further comprises one or more excipients. In certain embodiments, the composition further comprises one or more adhesion promoters, one or more fillers, and/or one or more rheology modifiers. Adhesion promoters may facilitate bonding among the components of the composition and/or between the composition and a surface of a solid substrate. In certain embodiments, the adhesion promoter is a silane compound (e.g., N-ethylaminoisobutyl trimethoxysilane, tris(3- (trimethoxysilyl)propyl)-isocyanurate, 3-aminopropyltriethoxysilane, 3-isocyanatopropyl trimethoxysilane, 3-isocyanatopropyl triethoxysilane, or 3- glycidoxypropylmethyldiethoxysilanem, or a mixture thereof). Fillers may be used to adjust the density and/or viscosity of the composition. In certain embodiments, the filler is a fine particle filler (e.g., a clay, polysilica, highly dispersed, pyrogenic, hydrophilic silica, montmorillonite, kaolinite, halloysite, aluminum hydroxide, aluminum oxide hydrate, aluminum silicate, talc, quartz mineral, chalk, magnesium hydroxide, molecular sieves, mica, calcium carbonate, kaolin, titanium oxide, diatomaceous earth, urea- based resin, styrene beads, calcined clay, or starch, or a mixture thereof). In certain embodiments, the rheology modifier is a clay, gum, cellulosic, hydrophobically modified ethoxylated urethane, surfactant gel, polyester, or polysaccharide (e.g., chitin), or a mixture thereof. In another aspect, the present disclosure provides kit comprising the polymer or the composition; and instructions for using the polymer or composition. In certain embodiments, the kit comprises a first container, wherein the first container comprises the polymer or the composition. In some embodiments, the kit further comprises a second container. In certain embodiments, the second container comprises the one or more excipients, one or more adhesion promoters, one or more fillers, and/or one or more rheology modifiers. In certain embodiments, the second container comprises the instructions. In certain embodiments, each of the first and second containers is independently a vial, ampule, bottle, syringe, dispenser package, tube, or box. In certain embodiments, the polymer or composition is in the form of a film (e.g., die cut film), powder, pellet, solid, rod, cylinder, or tube (e.g., die cut tube). In certain embodiments, the polymer or composition is in the form of a film, wherein the average thickness of the film is between 0.001 and 1 mm, e.g., between 0.15 and 0.5 mm. In certain embodiments, the polymer or composition is in the form of a film, wherein the average thickness of the film is between 0.001 and 0.01 mm, between 0.01 and 0.05 mm, between 0.05 and 0.1, between 0.1 and 0.2, between 0.2 and 0.4, between 0.4 and 0.7, or between 0.7 and 1 mm. In certain embodiments, the polymer or composition is capable of bonding to a solid substrate below the transition temperature of the polymer. In certain embodiments, the polymer or composition is capable of, after bonding to the solid substrate, reversable de-bonding from the solid substrate at or above the transition temperature of the polymer. In certain embodiments, the polymer or composition is suitable for use as a hot melt adhesive. In another aspect, the present disclosure provides methods of bonding comprising: applying the polymer or composition to a surface of a first solid substrate; contacting the polymer or composition on the surface of the first solid substrate with a surface of a second solid substrate; and curing the polymer or composition on the surface of the first solid substrate to form bonded first and second substrates; or applying the polymer or composition to a surface of a first solid substrate and a surface of a second solid substrate; contacting the polymer or composition on the surface of the first solid substrate with the polymer or composition on the surface of the second solid substrate; and curing the polymer or composition on the surface of the first solid substrate and the polymer or composition on the surface of the second solid substrate to form bonded first and second substrates; wherein the first solid substrate is the same or different from the second solid substrate. In certain embodiments, at least one (e.g., each) surface is an outer surface. In certain embodiments, at least one (e.g., each) surface is an inner surface. In certain embodiments, the methods further comprise heating the polymer or composition to a second temperature, wherein: the polymer or composition are flowable at the second temperature, and the step of heating the polymer or composition to a second temperature occurs: prior to the step of applying the polymer or composition; subsequent to the step of applying the polymer or composition and prior to the step of contacting the polymer or composition; or subsequent to the step of contacting the polymer or composition and prior to the step of curing the polymer or composition. In certain embodiments, the second temperature is between 50 and 170 °C, e.g., between 60 and 160 °C, e.g., between 70 and 150 °C. In certain embodiments, the second temperature is between 50 and 60, between 60 and 70, between 70 and 80, between 80 and 100, between 100 and 120, between 120 and 140, or between 140 and 160 °C. In certain embodiments, the second temperature is between 100% and 110%, between 110% and 120%, between 120% and 130%, between 130% and 150%, between 150% and 170%, or between 170% and 200% of the transition temperature. In certain embodiments, the step of applying the polymer or composition is substantially free of water. In certain embodiments, the step of contacting the polymer or composition is substantially free of water. In certain embodiments, the step of curing the polymer or composition is substantially free of water. In certain embodiments, the step of curing the polymer or composition comprises: maintaining the polymer or composition at a third temperature for a third time duration, wherein the third temperature is between 50 and 220 °C; and maintaining the polymer or composition at a fourth temperature for a fourth time duration, wherein the fourth temperature is between 20 and 30 °C. In certain embodiments, the third temperature is between 50 and 170 °C, e.g., between 60 and 160 °C, e.g., between 70 and 150 °C. In certain embodiments, the third temperature is between 50 and 60, between 60 and 70, between 70 and 80, between 80 and 100, between 100 and 120, between 120 and 140, or between 140 and 160 °C. In certain embodiments, the third temperature is between 100 and 120, between 120 and 140, between 140 and 160, between 160 and 180, between 180 and 200, or between 200 and 220 °C, e.g., between 130 and 200 °C. In certain embodiments, the third temperature is between 100% and 110%, between 110% and 120%, between 120% and 130%, between 130% and 150%, between 150% and 170%, or between 170% and 200% of the transition temperature. In certain embodiments, the third time duration is between 5 and 20 minutes, between 20 minutes and 1 hour, between 1 and 3 hours, between 3 and 8 hours, or between 8 and 24 hours, e.g., between 10 minutes and 8 hours. In certain embodiments, the third temperature is between 130 and 150 °C, and the third time duration is between 2 and 8 hours. In certain embodiments, the third temperature is between 150 and 200 °C, and the third time duration is between 10 minutes and 3 hours. In certain embodiments, the fourth temperature is between 20 and 24 °C. In certain embodiments, the fourth time duration is between 10 minute and 1 hour, between 1 and 8 hours, between 8 and 24 hours, between 1 and 3 days, between 3 and 7 days, between 7 and 14 days, or between 14 to 30 days, e.g., between 3 and 14 days, e.g., between 30 minutes and 4 days. In certain embodiments, the fourth time duration is between 30 minute and 2 hours. In another aspect, the present disclosure provides methods of de-bonding comprising maintaining the bonded first and second substrates at a fifth temperature for a fifth time duration sufficient to form de-bonded first and solid substrates, wherein: the fifth temperature is between 40 and 60, between 60 and 80, between 80 and 100, between 100 and 120, between 120 and 140, between 140 and 160, between 160 and 180, or between 180 and 200 °C, e.g., between 50 and 150 °C; and the fifth time duration is between 10 and 60 seconds, between 1 and 10 minutes, between 10 and 60 minutes, between 1 and 8 hours, or between 8 and 24 hours, e.g., between 10 seconds and 2 minutes. In certain embodiments, the solid substrate is a metal (e.g., metal alloy, anodized metal, or metal oxide), glass, ceramic, composite, plastic (e.g., filled plastic or blend of plastic), or wood. In certain embodiments, the solid substrate is stainless steel, aluminum, anodized aluminum, aluminum alloy, or anodized aluminum alloy. In certain embodiments, the solid substrate is acrylonitrile butadiene styrene, polycarbonate, polycarbonate siloxane copolymer, polyamide, or polybutylene terephthalate. In certain embodiments, the solid substrate is polyamide 66, polyamide 6, polyamide 510, or polyamide 1,6. In certain embodiments, the solid substrate is a glass fiber filled polymer, e.g., glass fiber filled polyamide or glass fiber filled polybutylene terephthalate. In certain embodiments, the solid substrate is polymer blend, e.g., polycarbonate-polybutylene terephthalate blend. In certain embodiments, the solid substrate is a textile (e.g., textile bonded to plastic), leather, paper, or cardboard. In certain embodiments, the solid substrate is part of: an electronic device, soft goods, aircraft, vehicle, civil engineering structure, or building. In certain embodiments, the electronic device is a phone (e.g., mobile phone), computer (e.g., laptop computer or tablet computer), watch, keyboard, or display, or a component thereof (e.g., phone cover or watch strap). EXAMPLES General materials and methods Poly(tetrahydrofuran) (PTHF) (Mn ~1000 Da), 4,4-methylenebis(phenyl isocyanate) (MDI) (98%), dibutyltin dilaurate (DBTDL) (95%), methyl ethyl ketone (MEK) (99%), acetone (99.5%), N,N-dimethylacetamide (DMAc) (99%) were purchased from Sigma-Aldrich. Resveratrol was provided by Conagen. Glutaraldehyde dioxime and 2,2 thio-bisacetaldehydedioxime were synthesized in house. All FT-NMR analysis were performed on a Bruker FT-NMR operating at 400 MHz. All FT-IR analysis were performed on a PerkinElmer Frontier FT-IR equipped with an attenuated total reflectance (ATR) attachment. An Across International Accutemp-09 vacuum oven was used for curing and drying films and lap shear curing. A Cincinnati Sub-Zero Stable Climate II humidity cabinet was used for moisture curing lap shear samples. Henkel Loctite® HHD3542 was used as a benchmark for all adhesive testing and substrates bonded according to Henkel’s technical data sheet and cured in a humidity cabinet at 22 °C and 50% RH, also as specified in the technical data sheet. Example 1. Synthesis of thiobisacetaldehyde dioxime Step 1 23.92 g (0.0996 mol) of sodium sulfide nonahydrate and 12.96 g (0.0764 mol) of 2- bromo-1,1-dimethoxyethane were dissolved in 65 ml of ethanol and 44 mL of H2O and stirred for 48 hrs at 78 °C. After completion, 15 g of anhydrous K2CO3 were added to the mixture and extracted with MTBE (3 x 300 mL). The organic extract was filtered and the filtrate was concentrated under vacuum at 50 °C. Step 2 A mixture of 5.56 g (0.026 mol) of 1,1,5,5-tetramethoxy-3-thiapentane and 1.96 mL of acetic acid were stirred in 60 mL of H2O at 100 °C for 10 min. The resulting solution was cooled and treated with 2.57 g (0.078 mol) of hydroxylamine in an ice bath. The solution was stirred for 1 hr. The solid was filtered and dried under the vacuum. Confirmation of the chemical structure was determined by FT-NMR and FT-IR. Example 2. Synthesis of glutaraldehyde dioxime Hydroxylamine hydrochloride (14.5 g, 209 mmol) was dissolved in deionized water (50 mL) and cooled to 0 °C. Glutaraldehyde (8.2 mL, 87 mmol) was added dropwise. After 30 minutes of stirring at room temperature a solution of potassium carbonate (14.4 g, 104 mmol) in deionized water (25 mL) was added. The solution was stirred at ambient temperature overnight. The reaction mixture was filtered. The solid was recrystallized using EtOH and filtered again. Confirmation of the chemical structure was determined by FT-NMR and FT-IR. Example 3. Synthesis and characterization of exemplary polyurethanes of the present disclosure Polytetrahydrofuran (poly THF; M w about 1000 g/mol, 0.575 g, 1 equiv.), DMG (0.200 g, 3 equiv.), and glycerol (0.026 g, 0.5 equiv.) were added to 10 mL of (1) acetone, (2) methyl ethyl ketone (MEK), or (3) a 1:1 mixture of acetone or MEK, in a vial to form a clear, colorless solution. Methylene diphenyl diisocyanate (MDI, 0.682 g, 5.00 equiv., of which 0.25 equiv. were to account for possible hydrolysis of MDI) and dibutyltin dilaurate (DBTDL, 0.015 g, 1 wt%) were added. The mixture was poured into a PTFE (about 10 or 6.9 cm diameter) mold and reacted at 50 °C for 12 h in an oven under inert atmosphere. The mixture was dried under reduced pressure at 60 °C for about 24 hours to obtain the product as a film. The 6.9 cm diameter PTFE mold gave on average films with 0.2 mm thickness, whereas the 10 cm diameter PTFE mold typically gave thinner films. To increase the film thickness suitable for shear adhesion testing, the amounts for the reaction mixture were doubled, and different size molds were used to estimate the desired film thickness and achieve sufficient thickness (> 0.2 mm MM041221 and ~0.3 mm MM042221). The thicker film still appeared to have good optical properties, indicating successful reaction and appropriate film casting procedures. FTIR was used for the characterization of the extent of reaction and conversion of the isocyanate. In some initial synthesis of a polyurethane of the present disclosure with 4.75 equiv. of MDI, FTIR indicated residual, unreacted isocyanate after the film was prepared (see, e.g., FIG. 2, Trial 1). In some later synthesis, a slight excess of isocyanate (e.g., total amount of isocyanate of 5.00 equiv.) was included to account for hydrolysis due to residual water in the solvents or atmosphere. FTIR indicated a lower concentration of residual, unreacted isocyanate after the film was prepared (see, e.g., FIG.2, Trial 2). More careful attention to inert atmosphere, handling, and drying of solvents resulted in a higher thermal stability polyurethane for batch MM031121 (see, e.g., FIG.3). Initial attempts to obtain good quality films showed limited success. The films were too thick and the residue looked more crystalline than clear. Troubleshooting included diligent exclusion of water as source for hydrolysis of MDI, such as drying glycerol and acetone/MEK over molecular sieves, verification of poly THF molecular weight Mw about 1000 by determination of hydroxyl value, as well as mixing and curing of the reaction batches under nitrogen. Another factor which affected the film quality was the fast evaporation of the solvents during curing at 50 °C. In certain experiments, we chose MEK as higher boiling analogue to partially replace the lower boiling acetone and extended the dry time past the reaction time. Two batches were made for comparison, MM031821A with acetone and MM031821B with MEK. The film properties greatly improved by using a 1:1 mixture of acetone and MEK (starting with MM040121 and all batches after that, including MM032521) instead of acetone alone. FTIR spectroscopy was used to analyze for unreacted isocyanate groups at 2275 cm -1 , a new carbonyl signal showed at 1733 cm -1 after successful curing of the reactants. TGA was used for the evaluation of volatiles that vaporize at elevated temperatures and thermal stability of the polyurethanes. TGA results showed that the polyurethane synthesized from a reaction mixture including MEK as the solvent had a higher thermal stability than the polyurethane synthesized from a reaction mixture including acetone as the solvent (see, e.g., FIG. 4). Compared to acetone, MEK has a significantly lower vapor pressure and higher boiling point, resulting in slower evaporation. This should result in better film formation. FTIR results of the polyurethanes of batches MM031821A and MM031821B are shown in FIG.5. The polyurethane of batch MM031821A was evaluated with a Netsch STA 449/QMS 403 thermogravimetric analysis/differential scanning calorimetry/mass spectrometer system to monitor the potential release of dimethylglyoxime at temperatures below 150 °C. No evaporation of dimethylglyoxime was observed until the sample reached 225 °C. See, e.g., FIG.6. A mass spectrum of the polyurethane of batch MM031821A at 150 °C was obtained showing overlap with a mass spectrum of methylamine. No dimethylglyoxime peak was observed at temperatures <150 °C. See, e.g., FIG.7. A mass spectrum of the polyurethane of batch MM031821A at 225 °C was obtained showing overlap with a mass spectrum of dimethylglyoxime. See, e.g., FIG.8. The polyurethane of batch MM031821A was not transparent (see, e.g., FIG.9A), probably because of the rapid evaporation of acetone. The polyurethane of batch MM031821B (see, e.g., FIG.9B) was not transparent, probably because of poor solubility of the reactants in the MEK. There were some thinner, translucent areas in the MEK sample, however, that indicated slightly improved film formation. The polyurethane of batch MM040121 was transparent (see, e.g., FIG.9C), suggesting that the 1:1 mixture of acetone/MEK provided not only good solubility for the reactants but also a slower evaporation rate for improved film formation. The thicker polyurethane of batch MM041221 was also transparent (see, e.g., FIG. 9D). In batch MM042621, the amount of glycerol was doubled for the purpose of achieving a higher crosslinking degree. Example 4. Mechanical analysis of exemplary polyurethanes of the present disclosure Example 4 involves a single layer of the thicker polyurethanes of Example 3 synthesized using a 1:1 mixture of acetone/MEK as the solvents and 0.5 equiv. of glycerol. Dynamic mechanical analysis (DMA) was performed to characterize the transition of the polyurethanes from at elevated temperature. A DMA (max 140 °C) of the polyurethane of batch MM040121 (where the thickness was 300-400 microns) showed a thermoplastic transition (e.g., crossover of the storage and loss moduli) beginning at 56 °C (see, e.g., FIG.10A). FIG.10B shows the polyurethane of batch MM040121 before DMA. This showed viscoelastic, melt flow properties, indicating that the polyurethane could be pressed, injection molded, or potentially applied as a hot melt adhesive tape. Lap shear tests were performed to measure the adhesion of the polyurethanes to the substrates. measurements for the batch MM040121 of the polyurethanes of Example 4 were carried out according to ASTM D1002, e.g., ASTM D1002-10. Unless provided otherwise: a minimum of three replicates for ASTM D1002 were performed; metal substrates were cleaned with acetone, followed by i-propanol, scuffed with a 3M Scotch-Bright™ pad, cleaned again with acetone, and followed by i-propanol; metal substrates were evaluated without scuffing and cleaned with acetone and i-propanol; plastic substrates were cleaned with i-propanol; the bonding area was 25x12.5 mm overlap; the bond line thickness was 150-micron; the test speed was 10 mm/min; and the RH was 50% if possible. Lap shear substrates were prepared from 304 stainless steel strips that were 1” wide by 1.54 mm thick. Approximately 0.75-1” of the end of each strip was sanded with 600 grit, wet/dry sandpaper and cleaned with isopropyl alcohol and a soft paper towel, then allowed to dry prior to applying the polyurethane. The polyurethane was applied to a 0.5” x 1” area at the end of each strip, then the top metal substrate was applied, and the polyurethane “sandwich” was clipped together with binder clips during heating. For the final validation measurements, 2 copper wires with 0.2 mm diameter were placed on the polyurethane prior to addition of the top metal substrate in order to set the bondline thickness. Samples were heated to 130 °C for 20 minutes, then removed and allowed to cool to room temperature for 24 hours. Three of the polyurethanes delaminated completely and one polyurethane did not finish delaminating but had significant creep beyond the peak force point, so the instrument stopped the analysis. Exemplary results are shown in Table 2. Samples 1, 2, and 4 might not be thick enough to achieve the full 0.2 mm bond line. Additionally, there are areas that did not have intimate contact with the polyurethane. The highest bond strength observed for this set of 4 samples was 4.0 MPa. Sample 3 showed excellent bond strength and durability. These samples fell apart during set up for Instron testing due to insufficient adhesive thickness. The copper wires used to set the bond line ended up being thicker than the polyurethanes, preventing good adhesion to both metal substrates. Table 2. Lap shear results of exemplary polyurethanes of the present disclosure showing the effect of bondline thickness on bond strength. Example 5. Mechanical analysis of exemplary polyurethanes of the present disclosure Example 5 involves two stacked layers of the thicker polyurethanes of Example 3 “stacked polyurethanes” synthesized using a 1:1 mixture of acetone/MEK as the solvents and 0.5 equiv. of glycerol. In the stacked polyurethanes before lap shear test, the excess polyurethane that flowed out of the bond joint during the heating step was trimmed off. The fact that polyurethane flowed out of the joint was encouraging and further suggested that the polyurethane had sufficient thermoplasticity to be used as a hot melt adhesive. To achieve sufficient thickness of the polyurethane, a second layer of the polyurethane was applied to the bond joint (“stacked”), and the slides were heat treated again as above and tested after 24 hours. Excess polyurethane was trimmed from the edges of the slides before lap shear testing to improve the accuracy and consistency of the results. Because the excess polyurethane squished out, and the final bondline thickness was still 0.2 mm. Lap shear was tested on an Instron Universal Testing Machine. The results showed that the average of the bond strength was 4.0 MPa at a bondline thickness of 200 microns. All of the stacked polyurethane samples yielded bond strengths at least 2x that of the Loctite®. Additionally, these results were for samples that had only been cured for 24 hours. The load vs. extension curves showed a steep rise in load and a sharp failure point. This is a fundamentally different failure than the cohesive type of failure observed for the Loctite®. Compared to the tested Loctite®, the bond strength, thermal stability, thermoplacticity, and spectral results of the tested polyurethanes of the present disclosure were encouraging. The first heating cycle of a DMA of a thicker batch of the polyurethane (where the thickness was 300-400 microns) showed a transition temperature at almost 80 °C (see, e.g., FIG. 11). The polyurethane of batch MM040121 demonstrated viscoelastic, melt flow properties, indicating that the polyurethane could be pressed, injection molded, or potentially applied as a hot melt tape. Example 6. Mechanical analysis of exemplary polyurethanes of the present disclosure Example 6 involves the stacked polyurethanes of Example 5 synthesized using a 1:1 mixture of acetone/MEK as the solvents and 1 equiv. of glycerol. The first heating cycle of a DMA of a polyurethane of Example 6 indicated a 67 °C transition temperature, which was increased from the previous average of 56 °C (see, e.g., FIG. 12). These results indicated that transition temperature and thermal stability of the polyurethanes are tunable, if needed. Comparative example. Mechanical analysis of a first batch of Loctite® A first batch of Loctite® was tested according to the methods in Example 4. The Loctite® demonstrated a bond strength of 1.75 MPa at a bondline thickness of 140 microns. A second batch of four Loctite® samples was tested according to the methods in Example 4 except that the cure time is 7 days. The Loctite® appeared more thoroughly cured, although the Loctite® between the slides still seemed somewhat gummy. All of the failures were cohesive with no adhesive failures. The Loctite® demonstrated an average bond strength of 1.3 MPa at a bondline thickness of 200 microns. Example 7.1-step polymerization with DMG (1), PTHF (201), Glycerol, and MDI (100) for preparing Formulations SA-2-194, SA-2-196, and 4-7 The procedure as explained in Wang et al. (Mater. Chem. Front., 2019, 3, 1833-1839; incorporated herein by reference), was followed using dimethylglyoxime (DMG), poly(tetrahydrofuran) (PTHF), glycerol, 4,4-methylenebis(phenyl isocyanate) (MDI), dibutyltin dilaurate (DBTDL), and a 1:1 mixture of acetone and MEK instead of acetone. The equivalents are according to Table 3. Example 8.1-step polymerization with 2,2-Thiobisacetaldehyde dioxime (4), PTHF (201), Glycerol, MDI (100) for preparing Formulation 4-67 A round bottom flask, equipped with a magnetic stir bar, was charged with 0.222g (0.00300 eq) 2,2-Thiobisacetaldehyde dioxime, 0.503g (0.00101 eq) PTHF, 0.0230g (0.000742 eq) glycerol, 8mL acetone, 8mL MEK inside a glove box under positive nitrogen flow. To the mixture was added 0.597g (0.00477 eq.) MDI, and 1% (w/w) dibutyltin dilaurate. The mixture is stirred until clear and homogeneous. The solution was poured into a glass mold with a PTFE spacer inside an oven under positive nitrogen flow and reacted at 50 °C for 12 hours. The product film was further dried under vacuum at 60 °C for about 24 hours to obtain an orange transparent film. Example 9.2-step polymerization with Glutaraldehyde dioxime (2), PTHF (201), Glycerol, and MDI (100) for preparing Formulation 4-134 PTHF (3 g, 0.006 eq), MDI (1.87 g, 0.0150 eq) and glutaraldehyde dioxime (0.0600 g, 0.000923 eq) were added to round bottom flask inside glove box. The reaction mixture was stirred at 100 °C under vacuum for 2 hrs. The reaction was cooled to room temperature. To the polymerization was added a solution of glutaraldehyde dioxime (0.0600 g, 0.000923 eq) and glycerol (0.0590 g, 0.00190 eq) in 20 mL DMAc. The reaction mixture was stirred at 70 °C for 30 min. The resulting viscous solution was cast into Teflon and glass mold and cured inside the oven at 50 °C for 12hrs. The resulting film was further dried under vacuum at 70 °C for about 24 hours to obtain a DPU-HMA film. Example 10.2-step polymerization with 2,2 thio-bisacetaldehyde dioxime (4), PTHF (201), Resveratrol (10) and MDI (100) for preparing Formulation 4-138 PTHF (3 g, 1eq), MDI (1.87 g, 2.5eq) and 2,2 thio-bisacetaldehyde dioxime (0.065 g, 0.15eq) were added to round bottom flask inside the glove box. The reaction mixture was stirred at 100 °C under vacuum for 2 hrs. The reaction was cooled to room temperature. Another 0.15 eq of 2,2 thio bisacetaldehyde dioxime, resveratrol (0.148 g, 0.215eq) were added to the reaction mixture and dissolved in 30 mL MEK. The reaction mixture was stirred at 70 °C for 30 min. The resulting viscous solution was cast into Teflon and glass mold and cured inside the oven at 50 °C for 12hrs. The resulting film was further dried under vacuum at 60 °C for about 24 hours to obtain a DPU-HMA film. Example 11. Film casting All adhesives were polymerized into films with a 200-micron PTFE spacer and the solvent was subsequently removed (e.g., under vacuum at 60 C for about 24 hours). Example 12. Bonding The films, comprising up to three layers were placed between two substrates (e.g., 304 stainless steel strips that were 1” wide by 1.54 mm thick), along with a 304 stainless-steel spacer wire of 150-micron diameter. Metal binder clips with dimensions of 1.25 x 0.75 inches were used to keep the pair in contact with each other and the assembled pre-bonded pair was placed in an oven set at a preset temperature for a set period of time. The bonded pair were then removed and allowed to equilibrate at room temperature, except in instances when the bonded pair were allowed to equilibrate in a humidity cabinet at 22 °C at 50% RH. Example 13. Transition temperature by oven method Samples of the adhesive films were placed in an oven. A binder clip was attached to the bottom of the film and the temperature of the oven was increased. The temperature at which the film was observed to flow (neck and draw) was recorded. Example 14. Lap shear testing according to ASTM D1002-10 All lap shear testing was performed according to ASTM D1002-10. All samples had a bondline thickness of 150 micron. Example 15. Debonding of bonded pair A 200-g weight was placed on bonded pairs (FIG.1A), which were then heated with a lab heat gun (FIG.1B) and the time to debond was recorded. The temperature (as measured with a thermocouple) of the substrates at debond was approximately 140 °C. Table 3. Adhesive film monomers, stoichiometry, and film optical properties. The isocyanate used in all formulations is MDI (100). Table 4. Lap shear results of bonded pairs. Table 5. Adhesive film transition temperatures (oven method) and debonding temperatures of bonded pairs. In summary of all the Examples, the results showed that the polyurethanes of the present disclosure were made into transparent, hot melt adhesive films that could be thermally bonded and de-bonded. The polyurethanes demonstrated thermoplastic behavior and were capable of being prepared as hot melt adhesive films. The bond strength exceeded that of the Loctite®. De- bonding temperatures of the polyurethanes were measured to be as high as 84 °C. EQUIVALENTS AND SCOPE In the claims articles such as “a,” “an,” and “the” may mean one or more than one unless indicated to the contrary or otherwise evident from the context. Claims or descriptions that include “or” between one or more members of a group are considered satisfied if one, more than one, or all of the group members are present in, employed in, or otherwise relevant to a given product or process unless indicated to the contrary or otherwise evident from the context. The invention includes embodiments in which exactly one member of the group is present in, employed in, or otherwise relevant to a given product or process. The invention includes embodiments in which more than one, or all of the group members are present in, employed in, or otherwise relevant to a given product or process. Furthermore, the invention encompasses all variations, combinations, and permutations in which one or more limitations, elements, clauses, and descriptive terms from one or more of the listed claims is introduced into another claim. For example, any claim that is dependent on another claim can be modified to include one or more limitations found in any other claim that is dependent on the same base claim. Where elements are presented as lists, e.g., in Markush group format, each subgroup of the elements is also disclosed, and any element(s) can be removed from the group. It should it be understood that, in general, where the invention, or aspects of the invention, is/are referred to as comprising particular elements and/or features, certain embodiments of the invention or aspects of the invention consist, or consist essentially of, such elements and/or features. For purposes of simplicity, those embodiments have not been specifically set forth in haec verba herein. It is also noted that the terms “comprising,” “including,” and “containing,” and all other tenses thereof, are intended to be open and permits the inclusion of additional possibilities (e.g., elements or steps). Where ranges are given, endpoints are included. Furthermore, unless otherwise indicated or otherwise evident from the context and understanding of one of ordinary skill in the art, values that are expressed as ranges can assume any specific value or sub–range within the stated ranges in different embodiments of the invention, to the tenth of the unit of the lower limit of the range, unless the context clearly dictates otherwise. This application refers to various issued patents, published patent applications, journal articles, and other publications, all of which are incorporated herein by reference. If there is a conflict between any of the incorporated references and the instant specification, the specification shall control. In addition, any particular embodiment of the present invention that falls within the prior art may be explicitly excluded from any one or more of the claims. Because such embodiments are deemed to be known to one of ordinary skill in the art, they may be excluded even if the exclusion is not set forth explicitly herein. Any particular embodiment of the invention can be excluded from any claim, for any reason, whether or not related to the existence of prior art. Those skilled in the art will recognize or be able to ascertain using no more than routine experimentation many equivalents to the specific embodiments described herein. The scope of the present embodiments described herein is not intended to be limited to the above Description, but rather is as set forth in the appended claims. Those of ordinary skill in the art will appreciate that various changes and modifications to this description may be made without departing from the spirit or scope of the present invention, as defined in the following claims.