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WO/2018/074777A1 |
The present invention relates to a copolycarbnate having improved fluidity while maintaining excellent room-temperature and low-temperature impact strength, and to a polycarbonate resin composition comprising the same.
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WO/2018/074796A1 |
The present invention relates to a copolycarbonate, having both the low-temperature impact strength and yellowness index (YI) thereof improved, and a polycarbonate resin composition comprising same.
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WO/2018/074822A1 |
The present invention relates to a polycarbonate resin composition which has enhanced fluidity while maintaining excellent mechanical properties of copolycarbonate in which a polysiloxane structure has been introduced to the main chain o...
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WO/2018/069425A1 |
The invention relates to a method for producing a polycarbonate by the reaction of one or a plurality of diaryl carbonates with one or a plurality of aromatic compounds, wherein a catalyst combination is used in the method. The invention...
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WO/2018/069350A1 |
The present invention relates to a method for producing a prepolymer that contains carbon-carbon multiple bonds, a polyol component A) being reacted with a component B) that contains isocyanate groups and the polyol component comprising ...
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WO/2018/071578A1 |
Provided are compositions comprising partially crystalline polycarbonate particulate having an average cross-sectional dimension of from about 1 μιη to about 200 μιτι, having from about 10% crystallinity to about 50% crystallinity...
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WO/2018/054847A1 |
The invention relates to the use of a composition A based on aromatic polycarbonate, containing a) aromatic polycarbonate, wherein the polycarbonate has an average weight-average molecular weight Mw of 22000 g/mol to 27000 g/mol, determi...
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WO/2018/056754A1 |
Disclosed is a plant-derived polyester carbonate copolymer which contains bisphenol A, thereby eliminating biohazardous properties exhibited by conventional polycarbonates and polycarbonate copolymers, and exhibiting excellent transparen...
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WO/2018/052034A1 |
Provided is a polyvalent phenol compound that exhibits superior alkali resistance, without negatively affecting color, even when used as a resin feedstock material or developer. The polyvalent phenol compound contains less than 1.6 area%...
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WO/2018/043899A1 |
The present application relates to a method for preparing a polycarbonate, comprising the steps of: 1) adding, to a polycarbonate polymerization solution, an antioxidant and an anti-hydrolysis agent having an epoxy-fused aliphatic ring; ...
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WO/2018/042030A1 |
The present invention relates to the use of an organocarbonate-modified prepolymer having at least an average of 1.5 carbonate, thiocarbonate, carbamate or thiocarbamate groups bonded directly to the polymer backbone each via an oxygen a...
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WO/2018/041602A1 |
The invention relates to a method for producing a polycarbonate by reacting at least one diaryl carbonate with at least one aromatic hydroxy compound, which are first mixed in a mixing device and, as a raw material mixture, placed in a r...
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WO/2017/037441A9 |
The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound. T...
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WO/2018/016516A1 |
The present invention provides a polycarbonate resin having a high refractive index, low Abbe number, and high moist heat resistance. The above problem, according to one embodiment, can be solved by a polycarbonate resin including struct...
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WO/2018/017150A1 |
An interfacial process for preparing a poly(aliphatic ester-carbonate) includes providing an initial polymerization reaction mixture comprising an aliphatic C6-20 dicarboxylic acid, a bisphenol, an alkali hydroxide, and optionally a cata...
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WO/2018/011702A1 |
A method for the purification of a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine including heating a reaction mixture comprising a phenolphthalein compound and a primary arylamine in the presence of an acid catalyst to form a reaction mixture...
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WO/2018/013623A1 |
A continuous method for the manufacture of a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine comprising continuously heating an anhydride with a phenol in the presence of a catalyst and a first co-catalyst, to form a first reaction mixture comp...
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WO/2018/008662A1 |
Provided is a thermally decomposable binder which has little residual carbon after being sintered, and which is able to be degreased even in a non- oxidizing atmosphere at relatively low temperatures. More specifically provided is an ali...
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WO/2018/006146A1 |
The present invention relates to a method for obtaining hydroxylated oligomers of bisphenol A polycarbonate, with a molar mass controlled by a chemical reaction with a solvent in a homogenous medium using glycols, generating bisphenol A ...
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WO/2017/220520A1 |
The invention relates to a method for producing polyether carbonate polyols by adding alkylene oxides and carbon dioxide to an H-functional starter substance in the presence of a double metal cyanide (DMC) catalyst or in the presence of ...
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WO/2017/222319A1 |
The present invention relates to a polycarbonate block copolymer and a method for preparing the same and, more specifically, to a block copolymer of a phenyl-arylene ether sulfone block oligomer compound and a polycarbonate and to a prep...
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WO/2017/209516A1 |
The present invention relates to a polyalkylene carbonate resin composition having improved mechanical properties, heat resistance, and processability, to a preparation method therefor, a molded article employing the composition, and a m...
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WO/2017/204339A1 |
A resin composition characterized by comprising a copolymer polycarbonate resin represented by general formula (1) and a polycarbonate resin containing a repeating unit represented by general formula (2), wherein the contained amount of ...
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WO/2017/204276A1 |
The purpose of the present invention is to provide a polycarbonate polyol useful as a raw material for producing an aqueous polyurethane resin which enables a reduction in the usage amount of an organic solvent, and which can be used to ...
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WO/2017/200829A1 |
A thermoplastic composition includes a poly(etherimide), a poly(ester-carbonate), a poly(carbonate-siloxane), a flow promoter, and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene. The flow promoter i...
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WO/2017/191150A1 |
The invention relates to the use of copolycarbonates stable at high temperature as a supporting material in the FDM (fused deposition modeling) method, said copolycarbonates having a Vicat temperature determined in accordance with ISO 30...
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WO/2017/187425A1 |
A copolycarbonate comprises first repeating units, second repeating units different from the first repeating units, and third repeating units different from the first and second repeating units; and wherein the first repeating units are ...
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WO/2017/187310A1 |
Disclosed herein are methods and thermoplastic compositions of blended polycarbonate thermoplastic compositions with improved thermal resistance and conductivity. The resulting blended polymer thermoplastic compositions, comprising at le...
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WO/2017/175693A1 |
The present invention makes it possible to provide a polycarbonate copolymer including structural units represented by general formula (K) and structural units represented by general formula (1). (In general formula (K), R represents H, ...
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WO/2017/175778A1 |
Provided is an aliphatic polycarbonate resin that has excellent water-repellent properties and that is suitable for forming a partition when producing a wiring substrate. This aliphatic polycarbonate resin is used for forming a partition...
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WO/2017/175777A1 |
Provided is an aliphatic polycarbonate resin that has excellent water-repellent properties. Also provided are: a partition material; a substrate and a production method therefor; a production method for a wiring substrate; and a wiring f...
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WO/2017/170613A1 |
The present invention relates to the following: an electrophotographic photoreceptor that has a long life and excellent electrical and anti-friction properties due to the use of a polymer containing a structure represented by a specific ...
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WO/2017/170198A1 |
Provided is a high molecular weight aromatic polycarbonate resin manufacturing method that suppresses the occurrence of heterogeneous structures and can achieve a sufficiently high molecular weight. A high molecular weight aromatic polyc...
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WO/2017/170186A1 |
Provided is an aromatic polycarbonate resin composition with high fluidity, particularly during low shear, and a good color. An aromatic polycarbonate resin composition including: an aromatic polycarbonate resin that has a structural uni...
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WO/2017/170079A1 |
Provided are a pyrolytic binder capable of undergoing delipidization at low temperature, and an inorganic fine particle-dispersed paste composition containing the binder. Specifically, provided are: a pyrolytic binder containing an aliph...
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WO/2017/170094A1 |
The present invention addresses the problem of providing a novel dihydroxy compound having an indoline skeleton, the novel dihydroxy compound being suitable as a raw material for an aromatic polycarbonate oligomer or resin, etc. The prob...
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WO/2017/170095A1 |
The present invention addresses the problem of providing a novel dihydroxy compound having an indoline skeleton that has high heat resistance and a high refractive index. Provided as a solution is a dihydroxy compound represented by gene...
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WO/2017/170185A1 |
Provided is a high molecular weight aromatic polycarbonate resin manufacturing method that can achieve good quality and sufficiently high molecular weight. A high molecular weight aromatic polycarbonate resin manufacturing method includi...
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WO/2017/170197A1 |
Provided is a manufacturing method for a high molecular weight aromatic polycarbonate resin that has superior fluidity and for which a good color and a sufficiently high molecular weight can be achieved. A manufacturing method for a high...
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WO/2017/164577A1 |
The present invention relates to an organozinc-supported catalyst, a method for producing the same, and a method for preparing a polyalkylene carbonate resin using the catalyst. The organozinc-supported catalyst provided through the pres...
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WO/2017/165213A1 |
A soft feel curable polyester composition comprising the residues of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol, a C2-C20 diol other than 2,2,4,4- tetraalkylcyclobutane-1,3-diol, a C2-C20 polyol, an alicyclic diacid and an acyclic aliphati...
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WO/2017/162520A1 |
The invention relates to a method for producing poly(oxyalkylene) polyols, which are started with phosphorus-containing compounds and which have an inner high-EO-content block, and to the poly(oxyalkylene) polyols thus obtained. The inve...
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WO/2017/158114A1 |
The invention relates to a method for producing polyether carbonate polyols from H-functional starters, alkylene oxides and carbon dioxide in the presence of a double metal cyanide catalyst or in the presence of a metal complex catalyst ...
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WO/2017/159727A1 |
This polycarbonate resin is characterized by: having a structure represented by general formula (1); and having a yellowness index (YI) of not higher than 30 when being in the form of a solid object.
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WO/2017/155306A1 |
The present invention relates to a method for an economical production of a resin composition comprising polyalkylene carbonate having improved thermal stability and processability. More specifically, provided is a method for producing a...
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WO/2017/154903A1 |
A polycarbonate-based resin composition and a molded product thereof, said polycarbonate-based resin composition being characterized by: including 0.1-40 parts by mass of a white pigment (B) per 100 parts by mass of a polycarbonate-based...
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WO/2017/154902A1 |
A polycarbonate-based resin composition and a molded product thereof, said polycarbonate-based resin composition: including 0.1-40 parts by mass of a white pigment (B) relative to 100 parts by mass of a polycarbonate-based resin (A) cont...
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WO/2017/156269A1 |
A moisture-curable silylated resin is derived from a copolycarbonate diol prepared from diol(s) of specific types.
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WO/2017/155308A1 |
The present invention relates to a multilayer film comprising polyalkylene carbonate. Particularly, since the multilayer film comprises a core layer, which is obtained by blending polyalkylene carbonate and an ethylene vinyl acetate copo...
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WO/2017/155307A2 |
The present invention relates to an organic zinc catalyst which exhibits improved catalytic activity over conventional organic zinc catalysts during a polymerization process for producing a polyalkylene carbonate resin and is capable of ...
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