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WO/2023/208837A1 |
The present invention relates to oligomeric binaphtyl compounds of the formula (I) that are suitable as monomers for preparing thermoplastic resins, such as polycarbonate resins, which have beneficial optical and mechanical properties an...
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WO/2023/210833A1 |
The present invention relates to oligomeric binaphtyl compounds of the formula (I) that are suitable as monomers for preparing thermoplastic resins, such as polycarbonate resins, which have beneficial optical and mechanical properties an...
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WO/2023/204064A1 |
Provided are: a curable composition which contains a polymer having a reactive silicon group and enables the production of a cured product having excellent tensile properties and shear strength; and the cured product. The curable composi...
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WO/2023/204067A1 |
Provided are: a curable composition containing a polymer having a reactive silicon group, wherein the curable composition yields a cured product having exceptional strength characteristics and weather resistance; and a cured product of t...
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WO/2023/205125A1 |
A modified polymeric material is presented that contains substantial quantities of nitric oxide precursor groups within and on the surface of a variety of polymeric materials. Advantageously, the nitric oxide precursor groups are covalen...
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WO/2023/199734A1 |
This thermoplastic resin, which is characterized by an excellent heat resistance and an excellent low linear expansion coefficient, contains 1-100 mol%, in the total repeat units, of at least one repeat unit selected from the group consi...
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WO/2023/199756A1 |
One aspect of the present invention relates to a compound represented by formula (A1-1). [In formula (A1-1), R1 represents a hydrogen atom, an alkyl group, or a hydroxyalkyl group; R2 represents an alkanediyl group; R3 represents an alka...
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WO/2023/194883A1 |
Degradable copolymers may include polyethers, polyesters, and polycarbonates. Forming a degradable copolymer includes contacting o-phthalaldehyde (oPA) with a first monomer in the presence of an activator and an organic Lewis base or an ...
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WO/2023/195504A1 |
The present invention makes it possible to provide a thermoplastic resin including a constituent unit (A) derived from a monomer represented by general formula (1). (In the formula, each R1 independently represents a C6-14 aryl group or ...
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WO/2023/193344A1 |
The present invention belongs to the technical field of polymer synthesis, and specifically discloses aliphatic copolycarbonate and a preparation method therefor. The aliphatic copolycarbonate contains a structural unit as shown in formu...
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WO/2023/190508A1 |
An optical member pertaining to an embodiment of the present invention includes a structure represented by formula (i). In the formula: R1 is a hydrogen atom or an aryl group; a is an integer of 0 to 5; b is an integer of 0 to 4; R2 is a...
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WO/2023/192758A1 |
Embodiments described herein relate to tertiary pnictogenium-borane catalyst complexes for the polymerization of one or more epoxides and one or more of CO2, COS, and CS2. The catalysts can also polymerize cyclic monomers such as lactone...
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WO/2023/192759A1 |
Embodiments described herein relate to tethered phosphine-borane catalyst complexes for the polymerization of one or more epoxides and one or more of CO2, COS, and CS2. The catalysts can also polymerize cyclic monomers such as lactones a...
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WO/2023/181695A1 |
The purpose of the present invention is to provide: a polycarbonate resin which can satisfy all of a refractive index, an Abbe number, heat resistance, and birefringence; and an optical member containing the same. This thermoplastic resi...
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WO/2023/182378A1 |
The present invention provides: a polycarbonate resin that includes a structural unit represented by formula (1) (in which A is an optionally substituted trivalent alicyclic moiety, and B is an optionally substituted monovalent alicyclic...
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WO/2023/182859A1 |
The polycarbonate copolymer of the present invention comprises: a unit derived from at least one type of primary dihydroxyl compound; and a unit derived from at least two types of secondary dihydroxyl compounds, wherein the polycarbonate...
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WO/2023/182597A1 |
The present application relates to a polycarbonate resin comprising a unit represented by chemical formula 1, a method for manufacturing same, a polycarbonate resin composition comprising same, and a molded product comprising the polycar...
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WO/2023/182589A1 |
The present application relates to: a polycarbonate resin comprising a unit represented by chemical formula 1 and a unit represented by chemical formula 2; a method for manufacturing same; a polycarbonate resin composition comprising sam...
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WO/2023/182652A1 |
The present application relates to a polycarbonate resin comprising a unit of chemical formula 1, a method for preparing same, a polycarbonate resin composition comprising same, and a molded article comprising the polycarbonate resin com...
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WO/2023/183081A1 |
A method for synthesizing polyhydroxyurethane polymers by using cyclic carbonates, amines, and base catalysts. A method for synthesizing polyhydroxyurethane (PHU) and polyimine (PI) hybrid polymer (PHU-PI) by using a multivalent cyclic c...
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WO/2023/178160A1 |
The present disclosure describes compositions that can be used in the treatment of an ocular injury or disease in a subject in need thereof. Methods of preparing the compositions are also described. The compositions can include one or mo...
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WO/2023/175341A1 |
New block polymers are described, as well as processes for preparing them using ring-opening polymerisation and ring-opening copolymerisation techniques. Also described are electrolytes, cathodes and batteries comprising the polymers.
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WO/2023/174284A1 |
Disclosed in the present invention are a PBT composition, a preparation method therefor and the use thereof. The PBT composition of the present invention comprises the following components in parts by weight: 35-45 parts of PBT resin, 10...
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WO/2023/175340A1 |
New block polymers are described, as well as processes for preparing them using a ring-opening copolymerisation technique. Also described are electrolytes, cathodes and batteries comprising the polymers.
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WO/2023/173685A1 |
The present disclosure relates to a biocompostable and biodegradable transparent modified bio-based material, achieving the same performance as thin film materials in the field of self-adhesive applications. The preparation method compri...
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WO/2023/171792A1 |
This is a modified polyester-based elastomer in which a polyester polyether block copolymer, comprising an aromatic polyester-containing hard segment and a polyalkylene ether glycol-containing soft segment, is modified by an unsaturated ...
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WO/2023/171578A1 |
[Problem] The present invention addresses the problem of providing: a thermoplastic resin which has excellent moldability, while having good hue and high chemical resistance; and the like. [Solution] The above problem is solved by a ther...
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WO/2023/166489A1 |
A thermoplastic composition comprising: 75 to 98 wt% of a poly(carbonate-siloxane-arylate) and optionally a poly(carbonate-arylate); a poly(carbonate-siloxane) having 30-70 wt% siloxane content, preferably 0.5 to less than 4 wt%, based o...
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WO/2023/163026A1 |
The purpose of the present invention is to provide a bisphenol production method in which, using a highly-versatile catalyst, a polycarbonate resin is decomposed with a high level of reactivity to produce bisphenol.　Provided is a bisph...
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WO/2023/156339A1 |
The present invention relates to a polycarbonate composition comprising A) from 8 wt.% to 65 wt. % of a copolycarbonate, B) from 30 wt.% to 85 wt. % of a homopolycarbonate; C) from 0.06 wt.% to 0.30 wt.% of a fluorine-containing metal or...
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WO/2023/157910A1 |
This polycarbonate-based resin composition has a specific viscosity average molecular weight (MvPC) and contains a polycarbonate-based resin (S) that contains: a polycarbonate-polyorganosiloxane copolymer (S-1) that includes a polycarbon...
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WO/2023/152730A1 |
Embodiments of the present disclosure provide for the process of synthesis of polyester and its copolymers through (co)polymerization of cyclic esters and with other oxygenated monomers using amine-borane adduct. Embodiments of the prese...
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WO/2023/152575A1 |
Polycarbonate polymers comprising non-aromatic cyclic groups bonded with carbonate linking groups are described. A portion of the non-aromatic cyclic groups comprise a substituent having siloxane repeat units. Representative formulas of ...
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WO/2023/148566A1 |
A thermoplastic composition includes particular amounts of a polycarbonate; a brominated polycarbonate; a poly(aliphatic ester-carbonate); a silicone-containing impact modifier; and a flame retardant. Articles including the composition a...
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WO/2023/148086A1 |
The present invention is directed towards a composition comprising (A) at least one polymer comprising (a) a core that bears one to 50 moieties of the general formula (I), and groups of the general formula (II) wherein the asterisk stand...
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WO/2023/149329A1 |
This polycarbonate resin composition includes a carbonate structural unit (X) derived from an aromatic dihydroxy compound represented by formula (1) and a carbonate structural unit (Y) derived from an aromatic dihydroxy compound represen...
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WO/2023/148545A1 |
Provided are dual-task borinane-based catalysts comprising a compound of Formula I (I) wherein Y is an alkyl, aryl, cycloalkyl, or cycloaryl spacer; Z is a nitrogen or phosphorous atom; R is an alkyl, aryl, cycloalkyl, or cycloaryl group...
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WO/2023/142919A1 |
The present invention belongs to the technical field of polymer synthesis, and particularly relates to a polylactic acid graft copolymer, and a preparation method therefor and the use thereof. The polylactic acid graft copolymer is chara...
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WO/2023/144607A1 |
A method of decreasing aldehyde content in a polymeric material uses a compound (Z) which includes a moiety of formula (I): wherein each R1 and R2 independently represents a substituent, n1 is 0 to 4 and n2 is 0 to 4; wherein X is select...
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WO/2023/140247A1 |
This method for producing a polycarbonate diol includes a step for obtaining a polycarbonate diol by subjecting a dihydroxy compound and a carbonic acid ester as raw material monomers to polycondensation by means of a transesterification...
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WO/2023/135106A1 |
The present invention relates to a process for preparing a polycarbonate using electrophilic aromatic substitution, comprising a reaction of a diaryl carbonate with a structure of formula (I) and a primary alkyl halide with a structure o...
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WO/2023/135104A1 |
The presentation invention relates to a process for preparing a polycarbonate using electrophilic aromatic substitution including the reaction of chlorosulfonic acid together with a specific compound of formula (2).
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WO/2023/134011A1 |
Provided in the present disclosure are a binuclear Schiff base cobalt complex, and a preparation method therefor and the use thereof. The binuclear Schiff base cobalt complex has a structure as shown in formula (I). In formula (I), R1 an...
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WO/2023/135105A1 |
The present invention relates to a process for preparing a polycarbonate using electrophilic aromatic substitution, comprising a reaction of a diaryl carbonate with a structure of formula (I) and a dichloromethylbenzene with a structure ...
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WO/2023/131909A1 |
A polycarbonate composition, including 10-80 weight percent (wt%) of a homopolycarbonate, a poly(phthalate-carbonate), or a combination thereof; 10-30 wt% of a bromine-containing polycarbonate copolymer; 5-60 wt% of a poly(carbonate-silo...
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WO/2023/120559A1 |
The present invention makes it possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by formula (1) and a constituent unit (B) derived from a monomer represented by formula (2),...
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WO/2023/121395A1 |
The present invention relates to a polycarbonate copolymer, a method for producing same, and a molded product comprising same, and more specifically, to: a polycarbonate copolymer exhibiting biodegradability and improved tensile strength...
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WO/2023/110654A1 |
The invention relates to a process for recovery of rubber-modified vinyl(co)polymer from a polycarbonate resin or an optionally shredded molded part made thereof wherein the polycarbonate resin comprises A) Polycarbonate based on aromati...
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WO/2023/110981A1 |
The present invention relates to an epoxy resin composition useful as thermoset for paint, coatings or adhesives comprising a polyepoxide derived from poly(limonene carbonate), a polymer produced from biomass (free from bisphenol A and a...
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WO/2023/100777A1 |
According to the present invention, it is possible to provide a polycarbonate resin composition which includes a structural unit (A) derived from a monomer represented by general formula (i) and a structural unit (B) derived from a monom...
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