Class / Patent application number | Description | Number of patent applications / Date published |
525461000 | Solid polymer derived from O-C(=O)-O- or hal-C(=O)-containing reactant | 57 |
20090082526 | Polyol-crosslinkable fluoro-rubber composition - A polyol-crosslinkable fluororubber composition comprises 100 parts by weight of polyol-crosslinkable fluororubber; 0.5 to 10 parts by weight of a perfluoroalkane represented by the general formula F(CF | 03-26-2009 |
20100016518 | Aromatic Polycarbonate Composition - Blend (B) comprising: at least one aromatic polycarbonate (P1), and at least one polyarylene (P2), more than 50 wt. % of the recurring units thereof are optionally substituted arylene groups [recurring units (R2)], each of said recurring units (R2) being linked by each of its two ends to two other optionally substituted arylene groups via a direct C—C linkage, and said recurring units (R2) being a mix (M) consisting of: between 0 and 75 mole %, based on the total number of moles of recurring units (R2), of rigid rod-forming arylene units (R2a), optionally substituted by at least one monovalent substituting group, with between 25 and 100 mole %, based on the total number of moles of recurring units (R2), of kink-forming arylene units (R2b), optionally substituted by at least one monovalent substituting group. Article or part of an article comprising the blend (B). | 01-21-2010 |
20100093950 | POLYMERIC MATERIAL, CONTAINING A LATENT ACID - Polymeric material, containing a latent acid which can be converted to an acid by irradiation by a laser and optionally further ingredients. | 04-15-2010 |
20100099831 | Solid phase immobilized trifunctional linker - The present invention is directed to a method of forming an immobilized chemical moiety, such as a trifunctional chemical moiety that includes membrane-anchoring functionalities, on a solid support for use in automated chemical synthesis of a recognition molecule. The invention is further directed to a method of easily and efficiently synthesizing chemical moieties such as those used for biosensor applications. The invention is further directed to a composition, i.e., a solid support having a trifunctional chemical moiety linked thereto, that can be readily and easily used to generate biological molecules for applications, such as biosensor applications. | 04-22-2010 |
20100305281 | POLYMERS BEARING PENDANT PENTAFLUOROPHENYL ESTER GROUPS, AND METHODS OF SYNTHESIS AND FUNCTIONALIZATION THEREOF - A one pot method of preparing cyclic carbonyl compounds comprising an active pendant pentafluorophenyl ester group is disclosed. The cyclic carbonyl compounds can be polymerized by ring opening methods to form ROP polymers comprising repeat units comprising a side chain pentafluorophenyl ester group. Using a suitable nucleophile, the pendant pentafluorophenyl ester group can be selectively transformed into a variety of other functional groups before or after the ring opening polymerization. | 12-02-2010 |
20110003945 | POLYCARBONATES COMPRISING CYCLIC OLIGOMERS AND HAVING AN IMPROVED FLOW BEHAVIOR - The invention relates to polycarbonates that comprise defect structures and cyclic oligomers and have improved properties. The invention also relates to molded articles and extrudates made from said polycarbonates. | 01-06-2011 |
20110269917 | CYCLIC CARBONYL COMPOUNDS WITH PENDANT CARBONATE GROUPS, PREPARATIONS THEREOF, AND POLYMERS THEREFROM - A one pot method of preparing cyclic carbonyl compounds comprising an active pendant pentafluorophenyl carbonate group is disclosed. The cyclic carbonyl compounds can be polymerized by ring opening methods to form ROP polymers comprising repeat units comprising a side chain pentafluorophenyl carbonate group. Using a suitable nucleophile, the pendant pentafluorophenyl carbonate group can be selectively transformed into a variety of other functional groups before or after the ring opening polymerization. | 11-03-2011 |
20120123066 | METHOD FOR PRODUCING ALIPHATIC POLYCARBONATE - The present invention provides an aliphatic polycarbonate production method which, using carbon dioxide and an epoxide, easily produces aliphatic polycarbonates having a low metal catalyst content. | 05-17-2012 |
20120157637 | Adhesive Film Composition for Glass Lamination - Provided is a resin composition based on polyalkylene carbonate for use as an adhesive film composition for glass lamination, and more particularly, to a resin composition in which a plasticizer and isocyanate are added to polypropylene carbonate or polyethylene carbonate as polyalkylene carbonate to introduce a urethane group. As such, the resin composition of the present invention can improve an adhesive strength by addition of isocyanate, and secure flexibility by using the plasticizer. In particular, an adhesive sheet based on polyalkylene carbonate can decompose a polymer laminate layer through simple heat treatment to fully collect glass when defects of glass lamination are generated, thereby reducing the loss of glass due to process failure, be stable to moisture so that transport, storage, and use thereof are not limited, and perform lamination even at a lower process temperature. | 06-21-2012 |
20130023630 | PROCESS FOR PREPARING POLYCARBONATE DIOL DIACRYLATE AND HIGH-PURITY POLYCARBONATE DIOL DIACRYLATE - This is to provide a process for preparing a polycarbonate diol diacrylate from a polycarbonate diol and a vinyl acrylate compound without using a protonic acid or a metal component. | 01-24-2013 |
20140011968 | COMPOSITION FOR ARAMID AND ARAMID PRODUCT MANUFACTURED USING THE SAME - Disclosed is an aramid product in which the number of defects present in noncrystalline regions is considerably reduced and a composition for aramid for producing the same. The composition contains aromatic polyamide and a fused aromatic compound, wherein the content of the fused aromatic compound is 0.01 to 10 parts by weight, based on 100 parts by weight of the aromatic polyamide. | 01-09-2014 |
20140357809 | LIGHT-DIFFUSING RESIN COMPOSTION - A resin composition having excellent light diffusion property and hue and a molded article thereof. | 12-04-2014 |
20140378624 | Method for Improving Thermal Stability of Polypropylene Carbonate - Provided is a method for improving thermal stability of polypropylene carbonate and, more particularly, a method of end capping a molecular chain of polypropylene carbonate using a urethane group by adding isocyanates or diisocyanates to a polypropylene carbonate resin, which may optionally be a mixture containing tertiary polyol, so as to delay thermal degradation of the polypropylene carbonate at a high temperature, thereby securing desired thermal stability. Especially, the method capable of being easily applied to reactive extrusion after preparing the polypropylene carbonate has been proposed, thus simplifying production processes and ensuring economical advantages. Moreover, the above method does not deteriorate transparency and specific smoke density characteristics at combustion, which are advantages of the polypropylene carbonate. | 12-25-2014 |
20150299389 | CHLORINATED POLY(PROPYLENE CARBONATE) AND PREPARATION METHOD THEREOF - This invention provides a chlorinated poly(propylene carbonate) and the preparation method thereof, the chlorinated poly(propylene carbonate) is as represented by formula (I). Compared to the prior poly(propylene carbonate)s, the chlorinated poly(propylene carbonate) has relatively stronger electronegativity due to the presence of chlorine atoms and the interaction of the chlorinated poly(propylene carbonate) with other polar materials can be enhanced, so that it can be widely used as a compatilizer, a binder, a paint, an ink, and the like. After the introduction of chlorine atoms, hydrogen bond interaction is generated within the chlorinated poly(propylene carbonate), so that its processability and mechanical properties are both improved. Furthermore, the chlorine atom may improve the flame retardancy of chlorinated poly(propylene carbonate) materials. | 10-22-2015 |
20150353683 | HYBRID EPOXY-AMINE HYDROXYURETHANE-GRAFTED POLYMER - Described is a linear hybrid epoxy-amine hydroxyurethane-grafted polymer with the following structure of the polymer backbone unit: | 12-10-2015 |
20160376437 | AROMATIC POLYCARBONATE RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE FORMED FROM AROMATIC POLYCARBONATE RESIN COMPOSITION - An aromatic polycarbonate resin composition is obtained by removing a solvent from a resin solution that is obtained by dissolving an aromatic polycarbonate resin-A that has a viscosity-average molecular weight of 3,000-25,000 and an aromatic polycarbonate resin-B that has a viscosity-average molecular weight of 50,000-90,000 into the solvent. The aromatic polycarbonate resin-A is contained in an amount of 99-50% by mass and the aromatic polycarbonate resin-B is contained in an amount of 1-50% by mass relative to the total mass of the aromatic polycarbonate resin-A and the aromatic polycarbonate resin-B; a plate-like molded article having thickness of 3.0 mm and molded from the aromatic polycarbonate resin composition has a haze value of 2% or less; and the number of unmelted polycarbonate pieces having a length of 100 μm or more and present within a region of 5 cm×3 cm in the plate-like molded article is 10 or less. | 12-29-2016 |
525462000 | Solid polymer derived from O-C(=O)-O- or hal-C(=O)-containing reactant and polyhydroxy reactant | 41 |
20090176946 | POLYCARBONATE BLENDS WITH HIGH SCRATCH RESISTANCE AND DUCTILITY - A blend of a first polycarbonate polymer comprising at least about 85% dimethyl bisphenol cyclohexane (DMBPC) units with a second polycarbonate polymer is disclosed. The blend has a combination of high scratch resistance and good ductility. | 07-09-2009 |
20110201762 | POLYCARBONATE RESIN COMPOSITION AND OPTICAL MATERIALS USING THE SAME - To provide a polycarbonate resin composition excellent in low-birefringence and environment resistance properties to be used for optical materials such as lenses, films or sheets. | 08-18-2011 |
20110230626 | COPOLYCARBONATES HAVING IMPROVED SURFACE HARDINESS - The present invention relates to copolycarbonates having improved surface hardness, processes for the preparation thereof and the use thereof for the production of blends, shaped articles and extrudates. | 09-22-2011 |
20110245432 | METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITION - The present invention provides a method for producing a thermoplastic resin composition, the method comprising a step of melt-kneading 5 to 55 parts by weight of an aromatic polycarbonate resin and 95 to 45 parts by weight of an aromatic polysulfone resin while shearing at a sharing speed of 1,000 to 9,000/sec. By the method, a thermoplastic resin composition excellent heat resistance and transparency can be obtained. | 10-06-2011 |
20120220737 | POLYCARBONATE RESIN COMPOSITION - To provide a polycarbonate resin composition having a high Abbe's number, high strength and excellent stainability. | 08-30-2012 |
20130197166 | PROCESS FOR PRODUCTION OF HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN - A method for highly polymerizing an aromatic polycarbonate resin, which enables the increase in molecular weight of the aromatic polycarbonate resin satisfactorily while keeping good quality of the resin. An aromatic polycarbonate is linked to an aliphatic diol compound having a boiling point of 240° C. or higher (preferably in an amount of 0.01 to 1.0 mole per mole of the total amount of the terminal of the aromatic polycarbonate) through a transesterification reaction in the presence of a transesterification catalyst under reduced pressure conditions (preferably at a reduced pressure ranging from 13 kPaA (100 torr) to 0.01 kPaA (0.01 torr)), thereby increasing the molecular weight of the resulting molecule. The weight average molecular weight (Mw) of the aromatic polycarbonate after the transesterification reaction can be increased preferably by 5,000 or more compared to that of the aromatic polycarbonate before the transesterification reaction. | 08-01-2013 |
20140024787 | POLYARYL ETHER KETONE - POLYCARBONATE COPOLYMER BLENDS - A polymer composition comprising a mixture of a) a first resin component comprising a polyaryl ether ketone, a polyaryl ketone, a polyether ketone, a polyether ether ketone, or a combination of two or more of the foregoing, and b) a second resin component comprising a specific type of copolycarbonate, wherein the mixture has at least two glass transition temperatures, as measured by ASTM method D5418, wherein the first glass transition temperature is from 120 to 160° C. and the second glass transition temperature is from 170 to 280° C. is disclosed. The compositions have improved properties such as improved load bearing capability at high temperature, better impact strength, and a high crystallization temperature. | 01-23-2014 |
20140206826 | HIGH-FLUIDITY POLYCARBONATE COPOLYMER, PROCESS FOR PRODUCTION HIGHLY POLYMERIZED AROMATIC POLYCARBONATE RESIN AND AROMATIC POLYCARBONATE COMPOUND (AS AMENDED) - The present inventions provide a novel polycarbonate copolymer having high fluidity and high molecular weight which is formed of a structural unit derived from an aliphatic diol compound and a structural unit derived from an aromatic dihydroxy compound, having a structure represented by the formula (III): | 07-24-2014 |
20140275443 | SHUT OFF NOZZLE SYSTEM AND METHODS FOR MAKING AND USING THE SAME - In one embodiment, a tool, comprising: a tool stationary portion comprising a nozzle and a film gate; and a tool movable portion comprising a shut off pin opposite the nozzle and the film gate; wherein the shut off pin prevents polymer melt in the nozzle from leaking into a cavity of the tool after injection of polymer into the tool. | 09-18-2014 |
20140371404 | METHOD FOR CONTINUOUS PRODUCTION OF HIGH-MOLECULAR-WEIGHT POLYCARBONATE RESIN - The present invention provides an improved method for continuously producing a high-molecular-weight polycarbonate resin by carrying out a linking and highly-polymerizing reaction of an aromatic polycarbonate prepolymer with an aliphatic diol compound wherein the retention time of the reaction mixture in the linking and highly-polymerizing reactor is shortened to achieve excellent performance. | 12-18-2014 |
20150133611 | METHOD FOR CONTINUOUS PRODUCTION OF HIGH MOLECULAR WEIGHT POLYCARBONATE RESIN - A high molecular weight polycarbonate resin is continuously produced by subjecting an aromatic polycarbonate prepolymer and an aliphatic diol compound to a linking and highly polymerizing reaction. Even an aliphatic diol compound having a comparatively low boiling point can be allowed to efficiently contribute to the linking and highly polymerizing reaction. An aromatic polycarbonate prepolymer is produced by a polycondensation reaction between an aromatic dihydroxy compound and a diester carbonate, adding an aliphatic diol compound having an aliphatic group bonding to a terminal hydroxyl group to obtain a prepolymer mixture, and subjecting the resulting prepolymer mixture to a linking and highly polymerizing reaction under reduced pressure. The aliphatic diol compound is added at a pressure exceeding 200 torr, and the prepolymer mixture is subjected to a linking and highly polymerizing reaction before the terminal hydroxyl group concentration of the aromatic polycarbonate prepolymer in the prepolymer mixture reaches 2000 ppm. | 05-14-2015 |
20150291738 | Phenol-Modified Polyorganosiloxane With Reduced Platinum Content, Method For Preparing The Same, And Modifier For Organic Resin Containing The Same - A phenol-modified polyorganosiloxane suitable as a modifier for an organic resin, in which a platinum metal content is reduced, and the yellowing is reduced, a method for preparing the same, and a modifier for an organic resin containing the same are provided. The phenol-modified polyorganosiloxane is a compound of formula (I), having a platinum metal content of 0.9 ppm or less. The phenol-modified polyorganosiloxane can be prepared by subjecting a phenol compound substituted with an alkenyl group of formula (IV) and a polyorganohydrogen siloxane of formula (V) to a hydrosilation reaction in the presence of a platinum-based catalyst applicable to a homogenous system, and subsequently, reducing the platinum metal content of the resulting product to 0.9 ppm or less by conducting one or more filtration procedures selected from the group consisting of filtration conducted where activated carbon is added, filtration conducted by using a filter comprising activated carbon, and filtration conducted by using a filter capable of adsorbing cations, alone or in combination. | 10-15-2015 |
20160083513 | POLYCARBONATE RESIN FOR LIQUID CRYSTAL MEMBERS, POLYCARBONATE RESIN COMPOSITION FOR LIQUID CRYSTAL MEMBERS WHICH CONTAINS SAME, AND LIQUID CRYSTAL MEMBER - Provided is a polycarbonate resin for a liquid crystal member, which is produced by using an end terminator containing 3-pentadecylphenol obtained from a natural product, and which has a YI value of 1.1 or less or a light transmittance at a wavelength of 400 nm of 85% or more. | 03-24-2016 |
20180022918 | A METHOD OF QUENCHING A MELT POLYCARBONATE | 01-25-2018 |
525463000 | Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom | 1 |
20110021722 | COMPOSITION CONTAINING CYCLOALIPHATIC EPOXIDE, POLYOL OLIGOMER, CURING AGENT AND CURING ACCELERATOR - A liquid thermosetting epoxy resin composition contains a base resin in combination with a curing agent and a curing accelerator or with a curing catalyst. The base resin includes a cycloaliphatic epoxy compound having at least one alicyclic skeleton and two or more epoxy groups per molecule, and a polyol oligomer having two or more terminal hydroxyl groups. An optical semiconductor device includes an optical semiconductor element sealed by using the liquid thermosetting epoxy resin composition. The composition yields a cured resinous product which is free from curing failure, is optically homogenous, has a low elastic modulus in bending, a high bending strength, a high glass transition temperature, a high optical transparency and is useful for optical semiconductors. | 01-27-2011 |
525464000 | Mixed with silicon-containing reactant or polymer derived therefrom | 12 |
20100120993 | ALIPHATIC DIOL-BASED POLYCARBONATES, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - Disclosed herein is a copolymer comprising isosorbide carbonate units and a polysiloxane block, wherein the copolymer comprises greater than or equal to 50 mol % isosorbide carbonate units. | 05-13-2010 |
20110288243 | Carbonate Block Copolymers - Disclosed are novel carbonate block copolymers and methods of making the same. Some carbonate block copolymers include oligomeric carbonate blocks bonded to one or more silicon-containing non-carbonate block, wherein the silicon-containing non-carbonate block is comprised of a diamine moiety and the carbonate block is joined to the silicon-containing non-carbonate block through a urethane group. Other carbonate block copolymers include oligomeric carbonate blocks bonded to one or more non-silicon-containing non-carbonate block, wherein the non-silicon-containing non-carbonate block is comprised of a diamine moiety and the carbonate block is joined to the non-silicon-containing non-carbonate block through a urethane group. The carbonate block may include Bisphenol-A moieties. The diamine from which either the silicon-containing or non-silicon-containing non-carbonate block is derived may be primary, secondary or tertiary. | 11-24-2011 |
20120271009 | POLYCARBONATE-POLYDIORGANOSILOXANE COPOLYMER - It is an object of the present invention to provide a polycarbonate-polydiorganosiloxane copolymer having improved transparency. | 10-25-2012 |
20130085240 | FLAME RETARDANT POLY(SILOXANE-ETHERIMIDE) COPOLYMER COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A composition comprising: a first polymer comprising a poly(etherimide-siloxane) copolymer comprising (a) a repeating polyetherimide unit, and (b) a poly(siloxane) block unit, a second polymer different from the first polymer and comprising bromine; and optionally, a third polymer comprising a polycarbonate different from the first polymer and second polymer; wherein polysiloxane block units are present in the composition in an amount of at least 0.3 wt %, and bromine is present in the composition in an amount of at least 7.8 wt %, each based on the sum of the wt % of the first, second, and third polymers; and further wherein an article molded from the composition has an OSU integrated 2 minute heat release test value of less than 65 kW-min/m | 04-04-2013 |
20140148559 | Polycarbonate Resin and Thermoplastic Resin Composition Including Polycarbonate Resin - A polycarbonate resin includes a repeating unit in its main chain of the following Chemical Formula 1: | 05-29-2014 |
20140249280 | POLYSILOXANE-POLYCARBONATE COPOLYMER AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a polysiloxane-polycarbonate copolymer and a method of manufacturing the same. More specifically, the present invention relates to a polysiloxane-polycarbonate copolymer in which the molecular weight of the siloxane monomer constituting the copolymer is maintained in a specifically high level and thus excellent low-temperature impact resistance can be achieved even with low siloxane content, and the viscosity of the copolymer is maintained in a low level and thus flowability and moldability can be improved; and a method of manufacturing the same. | 09-04-2014 |
20140256888 | POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER AND METHOD FOR PRODUCING SAME - Provided is a polycarbonate-polyorganosiloxane copolymer having high impact resistance and excellent transparency, in particular, a high total light transmittance and a small haze, and a method of producing thereof. Specifically, provided is a polycarbonate-polyorganosiloxane copolymer, containing a main chain having a repeating unit represented by the following general formula (I) and a constituent unit represented by the following general formula (II), in which: n in the general formula (II) is 25 to 50; and the copolymer satisfies the following conditions (a) and (b): (a) a molded article having a thickness of 2 mm made of the copolymer has a total light transmittance measured based on ISO 13468 of 88% or more and a haze measured based on ISO 14782 of 0.7% or less; and (b) a molded article having a thickness of 3 mm made of the copolymer has a total light transmittance measured based on ISO 13468 of 88% or more and a haze measured based on ISO 14782 of 1.0% or less. | 09-11-2014 |
20140316077 | METHOD FOR CONTINUOUS PRODUCTION OF POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER - The present invention provides a method for producing a polycarbonate-polyorganosiloxane copolymer economically and stably, in particular, the present invention is concerned with a method for continuous production of a polycarbonate-polyorganosiloxane copolymer including (A) a step of withdrawing a polymerization reaction solution obtained by polymerizing a dihydric phenol compound, a carbonate precursor, and a polyorganosiloxane in the presence of an alkaline compound aqueous solution and a water-insoluble organic solvent continuously or intermittently from a reactor; (B) a step of separating the polymerization reaction solution withdrawn in the step (A) into an aqueous phase and a water-insoluble organic solvent phase; and (C) a step of after washing the water-insoluble organic solvent phase separated in the step (B) with an acidic aqueous solution, separating the resultant into an aqueous phase and a water-insoluble organic solvent phase, wherein the content of the polycarbonate-polyorganosiloxane copolymer in the aqueous phase separated in the step (C) is controlled to not more than 2% by mass, and a part or the whole of an extract obtained by extracting the aqueous phase separated in the step (C) with a water-insoluble organic solvent is reused for the step (A). | 10-23-2014 |
20150141586 | PHENYL-CONTAINING FUNCTIONAL POLYSILOXANES AND POLYCARBONATE-POLYSILOXANE COPOLYMERS MADE THEREFROM - The invention is directed to phenyl-containing functional polysiloxanes and polycarbonate-polysiloxane copolymer compositions made therefrom having improved optical clarity and better low temperature impact resistance. | 05-21-2015 |
20160002410 | ESTER-FUNCTIONAL POLYSILOXANES AND COPOLYMERS MADE THEREFROM - There is described a polysiloxane having the structure: | 01-07-2016 |
20160083528 | alpha, omega- FUNCTIONALIZED POLYOXYALKYLENE-SILOXANE POLYMERS AND COPOLYMERS MADE THEREFROM - An α,ω-functionalized polyoxyalkylene-siloxane polymer having the general structural Formula (I): | 03-24-2016 |
20160122477 | THERMOPLASTIC COPOLYMER RESIN HAVING EXCELLENT FLAME RETARDANCY AND TRANSPARENCY AND PREPARATION METHOD THEREFOR - The present invention relates to a thermoplastic copolymer resin having an excellent flame retardancy and transparency and a preparation method therefor and, more particularly, to a thermoplastic copolymer resin having an excellent balance of physical properties such as a transparency, a fluidity, a low temperature impact strength as well as a flame retardancy, a preparation method therefor, and a molded article comprising the thermoplastic copolymer resin, in which the thermoplastic copolymer resin is obtained by copolymerizing polysiloxane having a particular structure and a branched polycarbonate oligomer. | 05-05-2016 |
525467000 | Mixed with nitrogen-containing reactant or polymer therefrom | 2 |
20120165479 | Method for Improving Thermal Stability of Polypropylene Carbonate - Provided is a method for improving thermal stability of polypropylene carbonate and, more particularly, a method of end capping a molecular chain of polypropylene carbonate using a urethane group by adding isocyanates or diisocyanates to a polypropylene carbonate resin, which may optionally be a mixture containing tertiary polyol, so as to delay thermal degradation of the polypropylene carbonate at a high temperature, thereby securing desired thermal stability. Especially, the method capable of being easily applied to reactive extrusion after preparing the polypropylene carbonate has been proposed, thus simplifying production processes and ensuring economical advantages. Moreover, the above method does not deteriorate transparency and specific smoke density characteristics at combustion, which are advantages of the polypropylene carbonate. | 06-28-2012 |
20130109817 | Modified Polymers for Delivery of Polynucleotides, Method of Manufacture, and Methods of Use Thereof | 05-02-2013 |
525468000 | Mixed with ethylenically unsaturated reactant or polymer therefrom | 3 |
20120322953 | BIOCOMPATIBLE POLYMER NETWORKS - Functionalized prepolymers and biocompatible polymer networks are disclosed, especially biodegradable polymer networks obtainable by polymerization of the functionalized prepolymers by the example ultraviolet (UV), redox, and/or heat radical polymerization. Functionalized prepolymers (macromers) are obtainable by reaction of a prepolymer comprising at least one alcohol, amine, and/or sulfhydril group, with an unsaturated mono-esterified dicarbonic acid, especially fumanic acid mono-ethyl ester. | 12-20-2012 |
20140316078 | UNSATURATED POLYCARBONATE DIOL, PROCEDURE TO OBTAIN SUCH POLYCARBONATE DIOL AND ITS USE - An unsaturated polycarbonate diol (A) comprising terminal hydroxyl groups, at least one repeating unit of formula (Ia) and at least one repeating unit selected from units of formula (Ib) and units of formula (II), wherein R | 10-23-2014 |
20150301467 | TONER RESINS AND PROCESSES FOR MAKING THE SAME - Unsaturated polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties. The unsaturated polyester resins have substantially reduced free fumaric acid as compared to that made from conventional processes. The toner resins are used to prepare toner compositions that have improved performance. | 10-22-2015 |
525469000 | Solid polymer derived from O-C(=O)-O- or hal-C(=O)- and polyhydroxy reactant derived from at least two polyhydroxy reactants | 7 |
20100160575 | METHODS FOR THE MANUFACTURE OF POLYCARBONATE COMPOSITIONS, THE COMPOSITIONS FORMED THEREBY, AND ARTICLES THEREOF - A method of making a thermoplastic composition comprises melt blending a reaction mixture comprising a first polycarbonate comprising repeat units derived from monoaryl monomers (II) and (III) and a diaryl monomer (IV), wherein the sum of the mole percent of the repeat units derived from monomers (II) and (III) is greater than or equal to 30 mole percent, and the mole percent of the repeat units derived from monomer (IV) is 5 to 70 mole percent, each based on the total moles the repeat units derived from monomers (II), (III), and (IV), and the total weight of the repeat units derived from monomers (II), (III), and (IV) is greater than or equal to 90 wt. % of the first polycarbonate; and an additional polycarbonate, comprising 50 to 100 mole percent of repeat units derived from a bisphenol cyclohexane. | 06-24-2010 |
20110190457 | PROTECTIVE POLYMERIC MATERIALS AND RELATED DEVICES - The present invention relates to polymeric materials having enhanced properties. In some cases, the materials may comprise polymers having shape-persistent portions which may enhance the mechanical properties of the material. The materials may exhibit higher stiffness or strength and ductility values, resulting in higher energy absorption and enhanced protection, as well as longer lifetimes for product usage. In some cases, the materials may be optically transparent and lightweight, making them suitable for in various applications including protective materials. | 08-04-2011 |
20120004375 | COPOLYCARBONATES WITH IMPROVED PROPERTIES - The present invention relates to copolycarbonates with improved surface hardness, processes for producing the same, and use of the same for producing blends, moldings, and extrudates, foil (layers), foil laminates, and cards. | 01-05-2012 |
20120178886 | POLYCARBONATE RESIN COMPOSITION - To provide a polycarbonate resin composition excellent in low-birefringence and strength. | 07-12-2012 |
20130317182 | PROCESS FOR MANUFACTURING BRANCHED AROMATIC POLYCARBONATE RESIN WITH DESIRED DEGREE OF BRANCHING - [Problem] To provide a process for manufacturing, easily and using a conventional branching agent, a branched aromatic polycarbonate resin which has both a sufficiently high molecular weight and a desired degree of branching. [Solution] A branched aromatic polycarbonate resin having a degree of branching (N value) controlled within a specific range is manufactured by subjecting an aromatic polycarbonate prepolymer that has a branched structure introduced using a specific amount of a branching agent to molecular-weight-increasing linking reaction with an aliphatic diol compound in the presence of a transesterification catalyst under the condition of a reduced pressure. The amount (A) of the branching agent used in adjusted on the basis of the correlation between the amount (A) of the branching agent used and the N value of the branched aromatic polycarbonate resin. | 11-28-2013 |
20130331527 | POLYCARBONATE RESIN COMPOSITION - A polycarbonate resin composition (X), comprises: (A) a polycarbonate resin containing (a) a structural unit derived from a dihydroxy compound having a moiety represented by the following formula (1) in a part of a structure; and (B) an aromatic polycarbonate resin, wherein a reduced viscosity of the aromatic polycarbonate resin (B) is 0.55 dl/g or less, a proportion of the aromatic polycarbonate resin (B) in the polycarbonate resin composition (X) is 30 wt % or more, and a total light transmittance of the polycarbonate resin composition (X) is 90% or less: | 12-12-2013 |
20170233571 | Copolycarbonate Compositions with Branch Structures and Cyclic Oligomers and Improved Rheological Properties | 08-17-2017 |
525470000 | Solid polymer derived from O-C(=O)-O- or hal-C(=O)- reactant and polyhydroxy reactant contains an atom other than C, H, O, or halogen bonded to a C(=O) group | 2 |
20160251480 | POLY(ETHER SULFONE)S AND POLY(ETHER AMIDE SULFONE)S AND METHODS OF THEIR PREPARATION | 09-01-2016 |
20160251481 | COPOLYCARBONATE AND COMPOSITION COMPRISING THE SAME | 09-01-2016 |