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WO/2008/009516 |
The invention relates to water-based lacquers containing highly functional, highly branched or hyperbranched polycarbonates based on dialkyl carbonates or diaryl carbonates or phosgene, diphosgene or triphosgene and aliphatic, aliphatic/...
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WO/2008/009516 |
The invention relates to water-based lacquers containing highly functional, highly branched or hyperbranched polycarbonates based on dialkyl carbonates or diaryl carbonates or phosgene, diphosgene or triphosgene and aliphatic, aliphatic/...
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WO/2008/009424 |
The present invention relates to a nonaqueous emulsion comprising a solvent system and an emulsifier and to a process of reacting monomer educts to give a polymer in that nonaqueous emulsion. For stabilizing the emulsion, a copolymer is ...
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WO/2008/009424 |
The present invention relates to a nonaqueous emulsion comprising a solvent system and an emulsifier and to a process of reacting monomer educts to give a polymer in that nonaqueous emulsion. For stabilizing the emulsion, a copolymer is ...
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WO/2008/005648 |
Polycarbonates incorporating terminal carbonate groups derived from ester-substituted activated carbonates in a transestenfication process have unfavorable properties with respect to color, hydrolytic stability and thermal stability, par...
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WO/2008/005623 |
Polycarbonates incorporating terminal carbonate groups derived from ester-substituted activated carbonates, for example terminal methyl salicyl carbonate (TMSC) derived from the use of BMSC as the activated carbonate in a transesterifica...
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WO/2008/005623 |
Polycarbonates incorporating terminal carbonate groups derived from ester-substituted activated carbonates, for example terminal methyl salicyl carbonate (TMSC) derived from the use of BMSC as the activated carbonate in a transesterifica...
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WO/2008/005633 |
A method for preparing a molded article includes the steps of (a) obtaining a polycarbonate resin and (b) molding the polycarbonate resin. The polycarbonate resin is made by a transesterification reaction using an activated diaryl carbon...
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WO/2008/000866 |
The method comprises chemical modification of an optionally metallized polymer surface, for example a polycarbonate surface or a polymethacrylate surface functionalized with amino groups, said surfaces being optionally metallized, by tre...
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WO/2008/002757 |
A copolymer composition comprises a polysiloxane block of Formula XIX or XXII, having 4 to 50 siloxane units, and a polyarylate-polycarbonate block consisting essentially of 50 to 99 mol% arylate polyester units and 1 to 50 mol% aromatic...
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WO/2008/002721 |
A method of producing a polycarbonate is provided. In an embodiment of the present invention the method includes the steps of: (i) introducing to a melt polymerization reactor system a reaction mixture having a first dihydroxy compound a...
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WO/2007/148604 |
The object is to provide a polycarbonate copolymer having excellent mechanical strength, good heat resistance, a low refractive index, a large Abbe number, a low berefringence and excellent transparency and containing a plant-derived raw...
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WO/2007/145010 |
The invention provides equipment for the production of polycarbonate resin which is suppressed in the generation of deposit or contaminants in a polymerizer and a melt process for the production of polycarbonate resin which is suppressed...
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WO/2007/146487 |
A method of producing a polycarbonate, the method comprising: polymerizing a dihydric phenol and a carbonate precursor in the presence of a stabilizer to provide a polycarbonate with a yellowness index of less than or equal to 10 measure...
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WO/2007/146488 |
A method of producing a polycarbonate, the method comprising: polymerizing a dihydric phenol and a carbonate precursor in the presence of oxalic acid to produce a polycarbonate with a yellowness index of less than or equal to 10 measured...
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WO/2007/143319 |
An improved method for the preparation of ester-substituted diaryl carbonates prepared by reacting phosgene with recycle streams of ester-substituted phenols from reaction processes using a tetraalkyl ammonium hydroxide catalyst, a tetra...
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WO/2007/135032 |
Disclosed is the use of highly functional, highly branched or hyperbranched polycarbonates as a dispersing agent for pigments. Said polycarbonates can be obtained by a) producing one or several different condensation products (K) by a1) ...
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WO/2007/134736 |
Powder coating materials which comprise high-functionality, highly branched or hyperbranched polycarbonates based on dialkyl carbonates or diaryl carbonates or phosgene, diphosgene or triphosgene and on aliphatic, aliphatic/aromatic or a...
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WO/2007/135032 |
Disclosed is the use of highly functional, highly branched or hyperbranched polycarbonates as a dispersing agent for pigments. Said polycarbonates can be obtained by a) producing one or several different condensation products (K) by a1) ...
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WO/2007/134736 |
Powder coating materials which comprise high-functionality, highly branched or hyperbranched polycarbonates based on dialkyl carbonates or diaryl carbonates or phosgene, diphosgene or triphosgene and on aliphatic, aliphatic/aromatic or a...
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WO/2007/132874 |
A polycarbonate resin which is reduced in the change of hygroscopic-expansion coefficient with changing environmental humidity, is inhibited from warping, and is suitable for use as an optical material is provided with excellent producti...
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WO/2007/132738 |
A process for producing recycled polycarbonate (PC) as raw material for flame-retardant resin compositions from waste and/or recovered optical discs whose substrates are made of PC resin which comprises the step (a) of judging whether th...
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WO/2007/132604 |
This invention provides a light diffusing resin composition, which, when molded into a large-plane light diffusing plate, does not cause any heat deterioration-derived yellowing and can exhibit good light diffusing properties, and a ligh...
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WO/2007/129525 |
Disclosed is a novel organic zinc catalyst which can show an extremely high polymerization activity in a reaction for producing a poly(alkylene carbonate) from carbon dioxide and an epoxide. Also disclosed is a process for production of ...
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WO/2007/125854 |
Disclosed is a light guide member which comprises a polycarbonate copolymer having a repeating unit represented by the formula (I) and a repeating unit represented by the formula (II), which is thin, and which is free from thermal degrad...
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WO/2007/123162 |
A polycarbonate resin which has an extremely narrow molecular-weight distribution and satisfactory flowability in a molten state and especially has highly excellent melt flowability which is independent of shear rate. The polycarbonate r...
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WO/2007/121038 |
Disclosed herein are polysiloxane-polycarbonate copolymer articles. In one embodiment, a l/8th inch thick bar formed from the thermoplastic composition has a B-Y ratio of less than or equal to about 1.75. This article, which has a dimens...
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WO/2007/119548 |
An electrophotographic photosensitive body which has both good image stability and wear resistance even under high temperature and high humidity conditions can be obtained by using a novel polycarbonate resin, which contains a structural...
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WO/2007/121180 |
Embodiments of the present invention provide various multipolymers and permselective membranes for use with biosensors and other implantable medical devices and prostheses. Embodiments of the present invention may provide structural stre...
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WO/2007/116877 |
A process for producing a high-quality raw material for optical disks from a waste optical disk which is a spent optical disk and/or a rejected product in production steps. The waste optical disk is subjected to the separation method and...
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WO/2007/114060 |
Disclosed is a polycarbonate-hydrogenated polybutadiene copolymer containing repeating units (I) and (II) having specific structures. Also disclosed is a polycarbonate resin composition obtained by melt-mixing a blend which is obtained b...
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WO/2007/108198 |
Polyurethane moldings produced by using as a raw material a polycarbonate polyol prepared by using 3-methyl-1,5-pentane- diol as the main glycol component have improved surface properties. The polycarbonate polyol has a 4-methyltetrahydr...
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WO/2007/108867 |
A polyacrylate-polycarbonate copolymer comprises a polycarbonate block comprising aromatic carbonate units, and a polyacrylate block derived from a difunctional polyacrylate polymer having the formula: Z1 -(M)x-Z2,wherein M is an acrylat...
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WO/2007/106279 |
A copolycarbonate of the formula wherein 5 to 50 mole percent of the total number of R1 groups is derived from a monomer of formula (2) wherein each Rf is independently at each occurrence a halogen atom, a hydrocarbon group having 1 to 1...
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WO/2007/106279 |
A copolycarbonate of the formula wherein 5 to 50 mole percent of the total number of R1 groups is derived from a monomer of formula (2) wherein each Rf is independently at each occurrence a halogen atom, a hydrocarbon group having 1 to 1...
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WO/2007/106296 |
Poly(arylene ether) block copolymers and methods for their preparation are provided. The block copolymers include structural units derived from a poly(arylene ether), an activated aromatic carbonate, and a polymer that is a poly(alkylene...
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WO/2007/106296 |
Poly(arylene ether) block copolymers and methods for their preparation are provided. The block copolymers include structural units derived from a poly(arylene ether), an activated aromatic carbonate, and a polymer that is a poly(alkylene...
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WO/2007/083721 |
The object is to provide a process for continuously producing a polycarbonate oligomer in a simple facility, at low cost, and with good productivity. Disclosed is a process for continuously producing a polycarbonate oligomer by reacting ...
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WO/2007/081593 |
A polycarbonate such as aliphatic/aromatic polycarbonate comprises repeating structural carbonate units of the formula (H-I): in which Rh is a radical having the formula (H-2): wherein each of R11, R12, R13, R14, R15. R16, R17, R18, R19,...
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WO/2007/075351 |
Polycarbonate is prepared by reactive extrusion on a reactive extruder. A method incorporates the steps of introducing a polycarbonate oligomer, an activated carbonate, and a transesterification catalyst to the extruder through a feed se...
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WO/2007/074892 |
Disclosed is a transparent film which comprises a polycarbonate comprising substantially a repeat unit (A) having a specific structure and a repeat unit (B) having a specific structure, wherein the repeat unit (A) comprises 75 to 95 mol%...
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WO/2007/075351 |
Polycarbonate is prepared by reactive extrusion on a reactive extruder. A method incorporates the steps of introducing a polycarbonate oligomer, an activated carbonate, and a transesterification catalyst to the extruder through a feed se...
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WO/2007/075643 |
A transparent antimicrobial thermoplastic molding composition is disclosed. The composition contains aromatic polycarbonate resin and 0.01 to 3.8 of an antimicrobial compound conforming to formula (I) AgaM1 bM2 2 (PO4)3 (I) wherein M1 is...
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WO/2007/072705 |
The invention aims at providing a specific process for producing high-purity diphenyl carbonate, which is necessary in producing high-quality and high-performance aromatic polycarbonates, from cyclic carbonates and phenol stably on an in...
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WO/2007/069463 |
A practical process for stable production of a high quality/high performance aromatic polycarbonate not stained and having excellent mechanical properties from a dialkyl carbonate and an aromatic dihydroxy compound on an industrial scale...
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WO/2007/070530 |
A thermoplastic composition comprising in combination an aliphatic/aromatic co-polycarbonate component; an impact modifier; and a rigid copolymer, and optionally a polycarbonate component and/or a polycarbonate-polysiloxane copolymer is ...
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WO/2007/070530 |
A thermoplastic composition comprising in combination an aliphatic/aromatic co-polycarbonate component; an impact modifier; and a rigid copolymer, and optionally a polycarbonate component and/or a polycarbonate-polysiloxane copolymer is ...
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WO/2007/070528 |
A method for purifying a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine comprises contacting a crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine with a purification agent, removing a 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound from...
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WO/2007/070490 |
A surface of a melt polymerization reactor system having residual reaction components of a melt polymerization reaction thereon can be cleaned by introducing a cleaning agent having a phenolic compound to the polymerization reactor syste...
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WO/2007/063757 |
Disclosed is a specific process for producing a high-quality/high-performance aromatic polycarbonate free from discoloration and having excellent mechanical properties from a dialkyl carbonate and an aromatic dihydroxy compound stably, i...
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