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WO/2023/085339A1 |
The present invention can provide a thermoplastic resin comprising, with respect to the total amount (100 mol%) of constitutional units in the resin, 22-49 mol% constitutional unit (A) derived from a diol represented by general formula (...
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WO/2023/074439A1 |
The present invention provides a thermoplastic resin that has an appropriate refractive index and Abbe number and that has excellent heat resistance and heat resistance stability, and an optical member that comprises the thermoplastic re...
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WO/2023/074738A1 |
The present invention provides a polycarbonate resin composition which comprises a carbonate structural unit (X) that is derived from an aromatic dihydroxy compound represented by formula (1), a carbonate structural unit (Y) that is deri...
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WO/2023/072843A1 |
The invention concerns a surface-active agent comprising a polycarbonate block polyether of the formula (I): Z1-(PC)P-(PE)Q-Z2 (I), wherein PC represents a carbonate block with P repeat units of formula (II), (II), wherein Re1, Re2, Re3,...
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WO/2023/074576A1 |
The present invention relates to: a polycarbonate resin containing a structural unit (A), a structural unit (B), and a structural unit (C); a molded article obtained using the polycarbonate resin; a film; a retardation film; and a method...
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WO/2023/072826A1 |
The invention concerns a composition comprising a polycarbonate block polyether of the formula (I) Z1-(PC)P-(PE)Q-Z2 wherein PC represents a carbonate block with P repeat units of formula (II) wherein Re1, Re2, Re3, and Re4 are independe...
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WO/2023/074471A1 |
The present invention provides a thermoplastic resin that can provide balance among a high refractive index, high heat resistance, and low birefringence, and also provides an optical member that contains this thermoplastic resin. The the...
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WO/2023/074830A1 |
The present invention relates to an aromatic polycarbonate resin which comprises a repeating unit represented by formula (II). (In formula (II), R11, R12, R13, c, d and n are as defined above.)
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WO/2023/062993A1 |
The present invention provides: an acidic gas removing agent which has small fluctuations in the carbon dioxide absorption even in the coexistence of water when carbon dioxide is removed from a gas; an acidic gas removing method; an abso...
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WO/2023/060870A1 |
A novel flexible intestinal anastomosis stent. Secretions of the inner wall and a suture site of an intestine are drawn into a horn-shaped hole channel by means of a provided horn-shaped through hole. Since a liquid inlet hole of each th...
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WO/2023/058699A1 |
This aromatic polycarbonate satisfies, when a test piece thereof having a size of 127 mm × 12.7 mm × 0.8 mm is elongated at a rate of 0.005 sec-1 at 280°C, conditions (i) and (ii) regarding an index of a change in elongation viscosity...
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WO/2023/058599A1 |
Provided is a method for recycling a waste resin composition that contains a synthetic resin and organic impurities. This method for manufacturing a dihydroxy compound from a waste resin composition includes: a step (a1) for processing...
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WO/2023/054999A1 |
The present invention relates to a method for manufacturing a polyalkylene carbonate resin and, more specifically, to a method for manufacturing a polyalkylene carbonate resin in which, by increasing the activity of a catalyst, the conte...
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WO/2023/054665A1 |
A thermoplastic resin composition that includes a polycarbonate resin having a structural unit (A) represented by formula (1), wherein a hydrolyzate obtained by hydrolyzing the polycarbonate resin includes the dihydroxy compounds represe...
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WO/2023/045898A1 |
The present invention relates to a phenyl anhydride-ethylene oxide quaternary copolymer. For the phenyl anhydride-ethylene oxide quaternary copolymer, preparation raw materials comprise copolymer monomers and a catalyst; the copolymer mo...
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WO/2023/045887A1 |
The present invention belongs to the technical field of IPC C08G64/16, and specifically relates to a method for preparing a carbon dioxide-based quaternary copolymer. The method for preparing a carbon dioxide-based quaternary copolymer c...
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WO/2023/047198A1 |
A film extrusion composition includes specific amounts of a heat-resistant copolycarbonate, a slip agent, and a particulate crosslinked polymethylsilsesquioxane having particles of a specific size. An extruded film prepared from the film...
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WO/2023/048209A1 |
This resin composition contains a phenol carbonate resin (A) and an epoxy resin (B), wherein the molar ratio (epoxy groups / terminal hydroxyl groups) of the epoxy groups of the epoxy resin (B) to the terminal hydroxyl groups of the phen...
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WO/2023/045850A1 |
The present invention provides a high-toughness composition of a semi-aromatic carbon dioxide-based copolymer and a preparation method therefor. The composition is prepared from the semi-aromatic carbon dioxide-based copolymer, PBAT, a f...
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WO/2023/041364A1 |
The invention relates to a computer-implemented method for controlling a process for continuously producing polyether carbonate polyols by adding alkylene oxide (AO) and carbon dioxide to a H-functional starting substance, comprising the...
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WO/2023/036868A1 |
The present invention relates to compounds of the formula (I) where X is selected from the group consisting of a single bond, O, N-(C1-C4)-alkyl, N-Ar1, CR5R6, S, S(O) and SO2; Z1 and Z2 are independently selected from hydrogen, -Alk-OH,...
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WO/2023/038266A1 |
The present invention relates to a monomer composition for synthesizing recycled plastic, a method for preparing same, recycled plastic using same, and a molded product, the monomer composition containing a high-purity aromatic diol comp...
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WO/2023/038270A1 |
The present invention relates to a monomer composition for synthesizing a recycled plastic, a method for manufacturing same, a recycled plastic using same, and a molded product, the monomer composition containing a high-purity aromatic d...
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WO/2023/038269A1 |
The present invention relates to a monomer composition for synthesizing a recycled plastic, a method for preparing same, a recycled plastic using same, and a molded product, wherein the monomer composition contains a high-purity aromatic...
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WO/2023/038268A1 |
The present invention relates to a monomer composition for synthesizing a recycled plastic, a method for manufacturing same, a recycled plastic using same, and a molded product, the monomer composition containing a high-purity aromatic d...
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WO/2023/038267A1 |
The present invention relates to: a monomer composition for synthesis of recycled plastic containing a high-purity aromatic diol compound recovered through recycling by chemical decomposition of a polycarbonate-based resin; a method for ...
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WO/2023/038406A1 |
The present invention relates to a double metal cyanide catalyst, which has high catalytic activity and can increase the proportion of repeating units containing carbon dioxide in a polyalkylene carbonate to be prepared, a method for pro...
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WO/2023/038271A1 |
The present invention relates to: a monomer composition for synthesizing a recycled plastic, comprising an aromatic diol compound and having a color coordinate b* of 0.1-1; a preparation method therefor; and a recycled plastic and a mold...
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WO/2023/038156A1 |
The present invention relates to compounds of the formula (I) where X is selected from the group consisting of a single bond, O, N-(C1-C4)-alkyl, N-Ar1, CR5R6, S, S(O) and SO2; Z1 and Z2 are independently selected from hydrogen, -Alk-OH,...
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WO/2023/034004A1 |
In accordance with one or more embodiments of the present disclosure, a process includes introducing a mixture comprising polypropylene carbonate (PPC) polyol, carbon dioxide, propylene oxide, and at least one dibasic ester to a quenchin...
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WO/2023/033596A1 |
The present application relates to: a resin comprising a unit represented by chemical formula 1 and a unit represented by chemical formula 2; a preparation method therefor; a resin composition comprising same; and a molded article compri...
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WO/2023/023554A1 |
Release layers that include an oligomeric component comprising a unit of the Formula (I) are useful for releasably transferring components from one surface to another during manufacturing of microelectronic devices.
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WO/2023/018307A1 |
The present application relates to: a resin comprising a unit represented by chemical formula 1 and a unit represented by chemical formula 2; a preparation method therefor; a resin composition comprising same; and a molded product compri...
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WO/2023/017276A1 |
The present invention relates to catalytic methods for preparing surfactant molecules, surfactant molecules obtainable by the method, compositions comprising the surfactant molecules, and to the use of surfactant molecules so prepared in...
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WO/2023/018136A1 |
The present invention is to provide a polycarbonate copolymer comprising a repeating unit represented by chemical formula 1 in the present specification, and may provide a polycarbonate copolymer improved, specifically in terms of heat r...
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WO/2023/011307A1 |
Disclosed are a polycarbonate and a preparation method therefor and an application thereof. The polycarbonate comprises at least one of structural units selected from a structural unit represented by formula (I) and a structural unit rep...
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WO/2023/010689A1 |
Disclosed is a plastic hydrolysis method implemented using a binuclear metal coordination complex catalyst. The plastic hydrolysis method comprises the following step: in an alkaline aqueous solution, in the presence of a catalyst, carry...
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WO/2023/006512A1 |
The present invention relates to a multi-stage method for continuously preparing a polysiloxane-polycarbonate block copolymer by means of polycondensation, the method being characterised in that, in a first stage, an oligocarbonate and a...
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WO/2023/006517A1 |
The present invention relates to a continuous method for preparing a polysiloxane-polycarbonate block copolymer by means of polycondensation, said method being characterised by the use of at least one thin-film evaporator, said at least ...
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WO/2023/280607A1 |
The present invention relates to an aromatic polycarbonate containing: A) structural units with free COOH functionality which are derived from a hydroxybenzoic acid and are present as end groups, and B) structural units derived from a hy...
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WO/2023/282559A1 |
The present invention relates to a hydroxyphenyl-terminated polysiloxane, to a polysiloxane-polycarbonate copolymer comprising same as a repeating unit, and to a method for preparing the copolymer and, more specifically, to a polysiloxan...
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WO/2022/269512A1 |
In one aspect, the present invention encompasses blends of structurally different polycarbonate polyols, resulting polyurethanes derived from such blends of polyols, methods of making such polyurethane compositions, and coatings and adhe...
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WO/2022/270367A1 |
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 general formula (1), R1-R12, Rk, and Rp each independently represent...
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WO/2022/260078A1 |
The present invention is: [1] a polycarbonate resin composition containing a polyester resin (B) and a polycarbonate resin (S) that includes a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) contain...
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WO/2022/260125A1 |
[Problem] To provide a polycarbonate which has excellent heat resistance. [Solution] A polycarbonate according to the present invention has a constituent unit that is represented by formula (1). (In the formula, each of R1 to R13 indepen...
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WO/2022/260417A1 |
The present invention relates to a polycarbonate copolymer having improved hardness while maintaining impact strength. The polycarbonate copolymer including a specific ester repeating unit according to the present invention is characteri...
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WO/2022/260077A1 |
The present invention is: [1] a polycarbonate resin composition containing an elastomer (B) and a polycarbonate resin (S) that includes a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) containing a...
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WO/2022/260079A1 |
The present invention is: [1] a polycarbonate resin composition containing an inorganic filler (B) and a polycarbonate resin (S) that includes a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) conta...
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WO/2022/260076A1 |
The present invention is: [1] a polycarbonate resin composition containing a fire retardant (B) and a polycarbonate resin (S) that includes a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) containi...
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WO/2022/260073A1 |
The present invention is: [1] a polycarbonate resin composition containing a styrene resin (B) and a polycarbonate resin (S) that includes a polycarbonate-polyorganosiloxane copolymer (A) having a polyorganosiloxane block (A-1) containin...
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