SHERMAN ELENA (US)
GROSS ADAM (US)
AMENDED CLAIMS received by the International Bureau on 17 March 2018 (17.03.2018) 1. A low-adhesion composition comprising: (a) fluoropolymers that are present in the triblock structure: wherein: (b) one or more isocyanate species possessing an average isocyanate functionality of about 2 or greater, or a reacted form thereof, (c) one or more polyol or polyamine chain extenders or crosslinkers possessing an average functionality of about 2 or greater, or a reacted form thereof, and (d) one or more solid-state lubricants distributed throughout said composition. 2. The low-adhesion composition of claim 1, wherein said solid-state lubricants are selected from the group consisting of graphite, graphene, molybdenum disulfide, tungsten disulfide, hexagonal boron nitride, poly(tetrafluoroethylene), fluoropolymers, and combinations thereof. 3. The low-adhesion composition of claim 1, wherein said solid-state lubricants are particles having outer surfaces containing a metal selected from the group consisting of cadmium, lead, tin, zinc, copper, nickel, and combinations or alloys thereof. 4. The low-adhesion composition of claim 1 , wherein said solid-state lubricants have an average particle size from about 0.1 urn to about 500 um. 5. The low-adhesion composition of claim 1, wherein said solid-state lubricants are distributed uniformly throughout said composition. 6. The low-adhesion composition of claim 1, wherein said fluoropolymers have an average molecular weight from about 1 ,000 g/mol to about 10,000 g/moi. 7. The low-adhesion composition of claim 1 , wherein p is selected from 6 to 50 for each of X and Y. 8. The low-adhesion composition of claim 1, wherein said isocyanate species are selected from the group consisting of4,4'-methylenebis(cyclohexyl isocyanate), hexam ethylene diisocyanate, cycloalkyl-based diisocyanates, tolylene-2,4- diisocyanate, 4,4'-methylenebis(phenyl isocyanate), isophorone diisocyanate, and combinations or derivatives thereof. 9. The low-adhesion composition of claim 1, wherein said polyol or poryamine chain extenders or crosslinkers are selected from the group consisting of 1 ,3- butanediol, 1,4-butanediol, 1,3-propanediol, 1,2-ethanediol, diethytene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tri propylene glycol, neopentyl glycol, 1,6-hexanediol, 1,4-cyclohexanedhnethanol, ethanol amine, diethanol amine, methyldiethanolamine, phenyldiethanolamine, glycerol, trimethylolpropane, 1,2,6-hexanetriol, triethanolamine, pentaerythritol, ethylenediamine, 1,3-propanediamine, 1,4-butanediamine, diemyftoluenedi amine, d imethytth iotol uenediam ine, isophoronediamine, diaminocyctohexane, ethylenediamine, and homologues, derivatives, or combinations thereof. 10. The low-adhesion composition of claim 1, wherein said composition contains, in a hard segment, said reacted form of said one or more isocyanate species, combined with said reacted form of said one or more polyol or potyaraine chain extenders or crosslinkers. 1 1. A low-adhesion coating comprising: (a) a substantially continuous matrix containing a first component; (b) a plurality of inclusions containing a second component, wherein said inclusions are dispersed within said matrix; and (c) a solid-state lubricant distributed whhin said matrix and/or within said inclusions, wherein one of said first component or said second component is a low- surface-energy polymer having a surface energy between about 5 mJ/m2 to about 50 mj/m2, and the other of said first component or said second component is a hygroscopic material. 12. The low-adhesion coating of claim 11, wherein said solid-state lubricant is distributed throughout said coating. 13. The low-adhesion coating of claim 11, wherein said solid-state lubricant is selected from the group consisting of graphite, graphene, molybdenum disulfide, tungsten disulfide, hexagonal boron nitride, polyCtetrafluoroethylene), fluoropolymers, and combinations thereof. 14. The low-adhesion coating of claim 11, wherein said solid-state lubricant is a plurality of particles having outer surfaces containing a metal selected from the group consisting of cadmium, lead, tin, zinc, copper, nickel, and combinations or alloys thereof. 15. The low-adhesion coating of claim 11, wherein said solid-state lubricant is characterized by an average particle size from about 0.1 junto about 500 urn. 16. The low-adhesion coating of claim 1 1 , wherein said polymer is a fluoropolymer selected from the group consisting of polyfluoroethers, perfhioropolyethers, polyfluoroacrylates, potyfluorosiloxanes, and combinations thereof. 17. Hie low-adhesion coating of claim 16, wherein said fluoropolymer is peril uoropolyether and wherein said hygroscopic material is polyethylene glycol). 18. The low-adhesion coating of claim 16, wherein said hygroscopic material is covalently connected to said fluoropolymer in a tribfock copolymer. 19. The low-adhesion coating of claim 18, wherein said triblock copolymer has the structure: 20. The low-adhesion coating of claim 11, wherein said hygroscopic material is selected from the group consisting of poIy(acrylic acid), polyethylene glycol), poly(2-hydroxyethyl methacrylate), polyvinyl imidazole), po1y(2-methy]-2- oxazoline), po1y(2-ethyl-2-oxazoltne), poly(vinylpyrolklone), cellulose, modified cellulose, carboxym ethyl cellulose, hydroxyethyl cellulose, hydroxypropyi cellulose, methyl cellulose, hydrogels, PEG diacryalate, monoacrylate, and combinations thereof. 21. The low-adhesion coating of claim 11 , wherein said continuous matrix further contains (i) one or more isocyanate species possessing an average isocyanate functionality of about 2 or greater, or a reacted form thereof, and (ii) one or more polyol or polyamine chain extenders or crossl inkers possessing an average functionality of about 2 or greater, or a reacted form thereof. 22. The low-adhesion coating of claim 21, wherein said isocyanate species are selected from the group consisting of 4,4'-methylenebis(cyclohexyl isocyanate), hexam ethylene diisocyanate, cycloalkyl-based diisocyanates, tolylene-2,4- diisocyanate, 4,4'-methylenebis(phenyl isocyanate), isophorone diisocyanate, and combinations or derivatives thereof. 23. The low-adhesion coating of claim 21, wherein said polyol or polyamine chain extenders or crosslink ers are selected from the group consisting of 1 ,3-butanediol, 1,4-butanediol, diethyl ene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tri propylene glycol, neopentyl glycol, ethanol amine, diethanol amine, methyldiethanolamine, phenyldiethanolamine, glycerol, trimethylolpropane, ethylenediamine, dimethytthiotoluenediamine, isophoronediamine, diaminocyclohexane, tetrakis(2-hydroxypropyl) ethylenediamine, and homologues, derivatives, or combinations thereof. 24. The low-adhesion coating of claim 11, said coating further comprising one or more additional components selected from the group consisting of a pigment, a dye, a plasticizer, a flame retardant, a flattening agent, and a substrate adhesion promoter. 25. The low-adhesion coating of claim 11, wherein said coating is characterized by a coefficient of friction less than 0 J measured at 50% humidity and/or a coefficient of friction less than 0.3 measured at 90% humidity. |
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