Class / Patent application number | Description | Number of patent applications / Date published |
528125000 | From ketone-containing phenolic reactant or with ketone-containing reactant | 53 |
20080319155 | OPTOELECTRONIC POLYMER COMPOSITIONS, AND DEVICES THEREFROM - In one aspect, the invention provides a polyarylether having pendant carbazolyl groups. The polymers of the invention are made by the bromination of a polyarylether, which is then reacted with a carbazole moiety. The polymers may have some amount of unsubstituted aromatic groups and some brominated aromatic groups also. These polymers find use in optoelectronic device. Thus, in another aspect, the invention provides optoelectronic device comprising a polyarylether having pendant carbazolyl groups. | 12-25-2008 |
20090023884 | METHOD FOR STORAGE AND/OR TRANSPORT OF BISPHENOLACETONE AND METHOD FOR PRODUCING AROMATIC POLYCARBONATE - The invention relates to a method for producing aromatic polycarbonate, including the steps of:
| 01-22-2009 |
20090099331 | SYNTHESIS AND CHARACTERIZATION OF A NOVEL PROTON EXCHANGE MEMBRANE (PEM) FOR APPLICATIONS IN FUEL CELLS - A fuel cell membrane is described comprising at least one sulfonated aromatic polyether copolymer comprising a poly-arylen-ether-ketone (PEK) moiety or sulfonated derivatives thereof, deriving from spiro-bis-indane or 4,4′-(hexafluoroisopropylidene)diphenol (BPAF), and an arylene-sulfone, or an arylene-ketone or sulfonated derivative thereof; said copolymer having the following formula (1): | 04-16-2009 |
20090118458 | INSULATING FILM-FORMING COMPOSITION - It is an object of the present invention to provide a composition capable of forming an insulating film which is endowed with a low dielectric constant, heat resistance, chemical resistance and a high mechanical strength that enables the insulating film to withstand CMP, and which, when an inorganic insulating film layer is provided thereon as an overlying layer, has a high adherence thereto. The composition for forming an insulating film contains polyphenylene, wherein the polyphenylene in an insulating film formed from the composition has a number of carbon atoms (C) and a number of oxygen atoms (O) which together satisfy a condition O/(C+O)≧0.050. With the composition, the above object is attained. | 05-07-2009 |
20090131623 | Poly(arylenebenzimidazole) polymers and copolymers - Polymers and copolymers of formula I: | 05-21-2009 |
20090137767 | POLYMERIC MATERIALS - A polymeric material includes phenyl moieties, ketone moieties and ether moieties in the polymeric backbone of said polymeric material, wherein the difference between the nucleation temperature (Tn) and the glass transition temperature (Tg) of said polymeric material is greater than 23° C. | 05-28-2009 |
20090149623 | NITROGENATED AROMATIC COMPOUND, PROCESS FOR PRODUCTION OF THE SAME, POLYMER, AND PROTON CONDUCTIVE MEMBRANE - A nitrogen-containing aromatic compound is represented by Formula (1). A polymer is obtained by polymerizing the compound. | 06-11-2009 |
20090163691 | METHOD FOR PURIFICATION OF POLYETHER POLYMERS AND MIXTURES RESULTING THEREFROM - A method for the purification of aromatic polyether polymers prepared by a halide displacement polymerization process comprises adsorbing the catalyst with an alkali metal halide to form an adsorbent component and then removing the adsorbent component. Mixtures resulting from this method are also discussed. | 06-25-2009 |
20100160594 | POLYCARBONATES, COMPOSITIONS MADE THEREFROM, METHODS OF MANUFACTURE THEREOF, AND ARTICLES THEREFROM - A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV) +(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A. | 06-24-2010 |
20100174042 | AROMATIC COMPOUND AND SULFONATED POLYARYLENE POLYMER - Sulfonated polymers have excellent processability and methanol resistance. | 07-08-2010 |
20110065888 | METHOD AND APPARATUS FOR FABRICATING A FIBRE REINFORCED THERMOPLASTIC COMPOSITE STRUCTURE - A method of fabricating a fibre reinforced thermoplastic composite structure comprising: placing a first layer of fibre reinforced thermoplastic material on top of a second layer of fibre reinforced thermoplastic material; providing a local heating source and locally heating a portion of at least the upper layer of thermoplastic composite material; and providing an ultrasonic transducer and locally introducing ultrasonic energy waves to the heated portion of the thermoplastic material such that ultrasonic consolidation of the fibre reinforced thermoplastic occurs. | 03-17-2011 |
20110224398 | POLYMER HAVING OXOCARBON GROUP, AND USE THEREOF - The present invention provides a novel polymer composed of polyarylene in the main chain and having oxocarbon groups which is particularly useful in battery and fuel cell applications. | 09-15-2011 |
20120130041 | Transparent Polyarylene Ether Polymer With High Heat Resistance And Method For Preparing The Same - The present disclosure relates to a transparent polyarylene ether polymer with high heat resistance and a method for preparing the same. More particularly, the present disclosure relates to a polyarylene ether polymer and a method for preparing the same, wherein the polyarylene ether polymer has a repeating structure in which cardo-type aromatic diols having a large molecular volume, polyether sulfones which are amorphous polymers having a high glass transition temperature and superior film formability, and polyether ketones which are crystalline polymers having superior heat resistance and mechanical properties are sequentially arranged. The polyarylene ether polymer is both transparent and heat resistant and, thus, can be used, for example, for a flexible plastic substrate. | 05-24-2012 |
20120259086 | CYCLIC POLYPHENYLENE ETHER ETHER KETONE COMPOSITION AND METHOD FOR PRODUCING THE SAME - A cyclic poly (phenylene ether ether ketone) composition includes not less than 60% by weight of a cyclic poly (phenylene ether ether ketone) represented by the following Formula (I), which is characterized in that the cyclic poly (phenylene ether ether ketone) is a mixture of cyclic poly (phenylene ether ether ketone)s having different repeating numbers (m) and the composition has a melting point of not higher than 270° C.; and a method of producing a poly (phenylene ether ether ketone) characterized by heat-polymerizing the cyclic poly (phenylene ether ether ketone) composition: | 10-11-2012 |
20130102754 | DEOXYBENZOIN-DERIVED ANTI-FLAMMABLE POLYMERS - The invention provides novel flame-retardant polymers and materials, their synthesis and use. More particularly, the flame-retardant polymers are deoxybenzoin-derived polymers. | 04-25-2013 |
20130184427 | POLYMERIC MATERIALS - A method of making a polymeric material is described, the method comprising contacting, for example polycondensing, a compound of formula | 07-18-2013 |
20130197182 | DIOL, AND POLYCARBONATE RESIN OR POLYESTER RESIN - A diol from which a resin material having high processability and a high refractive index can be manufactured, a polycarbonate resin and a polyester resin which is a polymer of the diol, and a molded article and an optical element formed of the polymer. The diol is represented by the general formula (1) shown below; the polycarbonate resin and the polyester resin are polymers thereof; and the molded article and the optical element are formed of the polymers, | 08-01-2013 |
20130217851 | TRIAZINE POLYMER THAT CAN BE USED AS MEMBRANE IN A FUEL CELL - A triazine polymer is provided that can be used as an electrolyte in a PEM fuel cell, and that enables membranes having a high chemical and dimensional stability, as well as a high ion conductivity. The triazine polymer is formed of at least a plurality of base structural units that include a moiety corresponding to a formula (I): | 08-22-2013 |
20130310535 | POLYCARBONATE RESIN AND PROCESS FOR PRODUCTION THEREOF - The present invention provides a polycarbonate resin containing a structural unit represented by general formula (I). | 11-21-2013 |
20140155569 | Flame-Retardant Derivatives - A chemical compound of structural formula (I) useful in preparation of flame retardant materials is disclosed. Homopolymer, and copolymers of a compound of formula (I), as well as methods of preparing said homo- and copolymers are also disclosed. Polymers described herein advantageous possess low heat release capacities and high char yields. | 06-05-2014 |
20150038666 | Photoelectric Conversion Material, Method For Producing The Same, And Organic Photovoltaic Cell Containing The Same - A bulk heterojunction-type organic photovoltaic cell, i.e., BHJ solar cell, has a photoelectric conversion layer containing a mixture of a donor domain and an acceptor domain. The donor domain contains a polymer as a donor (photoelectric conversion material), and the polymer is obtained by reaction of a polyphenylene having a structural unit selected from moieties represented by the following general formulae (1) to (3). For example, the acceptor domain contains phenyl-C | 02-05-2015 |
20150307662 | POLYIMIDE PRECURSOR, POLYIMIDE, POLYIMIDE FILM, VARNISH, AND SUBSTRATE - A polyimide precursor comprising at least one repeating unit represented by the following chemical formula (5): | 10-29-2015 |
528126000 | Polymerizing in the presence of a specified material other than reactant | 13 |
20090105442 | RESINS BASED ON KETONES AND ALDEHYDES, HAVING IMPROVED SOLUBILITY PROPERTIES AND LOW COLOR NUMBERS - A resin is based on ketones and aldehydes and is prepared in methanol or ethanol in the presence of a phase transfer catalyst. The resin features a very broad solubility and low intrinsic color. | 04-23-2009 |
20090240020 | Polyether ketone, its monomer and its phenolate - A process for the preparation of an alkali metal salt of 4-chloro-4′-hydroxy benzophenone including the steps of (a) preparing purified 4-chloro-4′-hydroxy benzophenone by a process including distilling under reduced pressure a liquid containing 4-chloro-4′-hydroxy benzophenone and a solvent selected from diphenyl sulphone, diphenylene sulphone, benzophenone and dichlorobenzophenone, and then (b) preparing the alkali metal salt of thus purified 4-chloro-4′-hydroxy benzophenone by the reaction of the purified 4-chloro-4′-hydroxy benzophenone with a stoichiometric excess of at least one alkali metal base. There is also described a polymerization process using the alkali metal salt to yield PEK with high inherent viscosity and improved mechanical and thermal properties. | 09-24-2009 |
20110201775 | High purity diphenyl sulfone, preparation and use thereof for the preparation of a poly(aryletherketone) - The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the removal of such impurities. | 08-18-2011 |
20110213115 | Process for preparing a poly(aryl ether ketone) using a high purity 4,4'-difluorobenzophenone - The present invention describes a process for preparing a poly(aryl ether ketone) by reacting a nucleophile with 4,4′-difluorobenzophenone (4,4′-DFBP) that is improved through the use of 4,4′-DFBP that meets one or more particular purity conditions. Also described are improved poly(aryl ether ketone) produced using the invention 4,4′-DFBP. Amounts of 2,4′-difluorobenzophenone (2,4′-DFBP), 4-monofluorobenzophenone (4-FBP), chlorine, and monochloromonofluorobenzophenone in 4,4′-DFBP are discussed. | 09-01-2011 |
20110224399 | Improved poly(aryletherketone)s and process for making them - Improved poly(aryletherketone)s with superior melt stability, lower gel content and lower color and a new process for their manufacture. | 09-15-2011 |
20110275780 | METHOD FOR PRODUCING CONJUGATED AROMATIC COMPOUND - A method for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) represented by the formula (1) | 11-10-2011 |
20120095182 | METHOD FOR PREPARING POLYARYLETHERKETONE-BASED COPOLYMER BY USING QUATERNARY COPOLYMERIZATION TECHNOLOGY - A method for preparing polyaryletherketone-based copolymer by using quaternary copolymerization technology comprises: (1) adding high-temperature organic solvent into a three-necked flask equipped with a thermometer, a nitrogen-feeding pipe, and a stirrer; then stirring and heating; orderly adding 4,4′-difluordiphenylketone, 4,4′-bifluorotriphenyldione, hydroquinone, and 4,4′-dihydroxydiphenylketone after the high-temperature organic solvent has been melted, and stirring to completely dissolve them; adding alkali carbonate of 1-5% excessive amount relative to total mole of hydroquinone and 4,4′-dihydroxydiphenylketone; heating to 220-230° C. while stirring, and maintaining the temperature for 20-40 minutes to complete the first salt-forming reaction, (2) heating to 250-260° C., and maintaining the temperature for 20-40 minutes to complete the second salt-forming reaction, (3) heating to 300-320° C. to start condensation polymerization, and maintaining the temperature for 3-4 hours to complete the polymerization, and (4) pouring the obtained polymer solution into distilled water at room temperature to cool to strip-shaped solid, pulverizing, extracting with ethanol to remove organic solvent, extracting with deionized water to remove byproduct salts, and vacuum-drying to obtain quaternary copolymer containing PEEK, PEEKK, PEK, and PEKEKK repeating units in molecule chains. When the mole ratio of hydroquinone to 4,4′-dihydroxydiphenylketone is above 99:1 and the mole ratio of 4,4′-difluorodiphenylketone to 4,4′-bifluorotriphenyldione is above 99:1, the obtained quaternary copolymer mainly contains PEEK chain segments, and has the same macrophysical properties as those of PEEK. | 04-19-2012 |
20140128565 | PRODUCTION METHOD OF POLY (PHENYLENE ETHER ETHER KETONE) - There is provided a production method of poly(phenylene ether ether ketone). The production method makes a cyclic poly(phenylene ether ether ketone) composition subjected to thermal ring-opening polymerization in the presence of a metal alkoxide and/or a metal phenoxide. The cyclic poly(phenylene ether ether ketone) composition includes 60% by weight or more of cyclic poly(phenylene ether ether ketone) and has a melting point of 270° C. or lower. | 05-08-2014 |
20140179891 | INTERFACIAL PROCESSES FOR PREPARING PHOTOACTIVE ADDITIVES - Different interfacial processes for producing photoactive additives are disclosed. Generally, the photoactive additives are formed from a photoactive moiety, a first linker moiety, and a diol chain extender. The resulting additives can be crosslinked with other polymers upon exposure to UV radiation. | 06-26-2014 |
20140206833 | CONTINUOUS PROCESS FOR THE PRODUCTION OF MELT POLYCARBONATE - A method for producing polycarbonate by melt polymerization can comprise: (a) adding acetone, diaryl carbonate, and dihydroxy compound to the melt polymerization unit, wherein the acetone is added to the melt polymerization unit as a mixture with the diaryl carbonate and/or the dihydroxy compound; (b) adding a catalyst to the melt polymerization unit, optionally without separating out acetone prior to the addition of the catalyst; and (c) operating the melt polymerization unit under conditions so that the diaryl carbonate(s) and dihydroxy compound(s); dihydroxy compound reacts with the diaryl carbonate to produce polycarbonate with a desired specification, and a phenol by-product. | 07-24-2014 |
20140221595 | HIGH PURITY DIPHENYL SULFONE, PREPARATION AND USE THEREOF FOR THE PREPARATION OF A POLY(ARYLETHERKETONE) - The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the recovery of the diphenyl sulfone. | 08-07-2014 |
20160145385 | METHOD FOR THE MANUFACTURE OF POLY(ARYL ETHER KETONE)S IN THE PRESENCE OF SODIUM CARBONATE - A method for the preparation of a poly(ether ether ketone) (PEEK) includes: preparing the PEEK by aromatic nucleophilic substitution in the presence of: a) particulate sodium carbonate (Na | 05-26-2016 |
20160145386 | PROCESS FOR PREPARING A POLY(ARYL ETHER KETONE) USING A HIGH PURITY 4,4'- DIFLUOROBENZOPHENONE - The present invention describes a process for preparing a poly(aryl ether ketone) by reacting a nucleophile with 4,4′-difluorobenzophenone (4,4′-DFBP) that is improved through the use of 4,4′-DFBP that meets one or more particular purity conditions. Also described are improved poly(aryl ether ketone) produced using the invention 4,4′-DFBP. Amounts of 2,4′-difluorobenzophenone (2,4′-DFBP), 4-monofluorobenzophenone (4-FBP), chlorine, and monochloromonofluorobenzophenone in 4,4′-DFBP are discussed. | 05-26-2016 |
528127000 | With nonketone- or nonphenolic-aldehyde or derivative as a reactant | 4 |
20090018304 | KETONE-MODIFIED RESORCINOL-FORMALIN RESIN - It is an object of the invention to provide a ketone-modified resorcinol-formalin resin, which has a moderate flowability when transformed into an aqueous solution and has both a reduced content of resorcinol monomer and a reduced content of resorcinol-formalin resin of resorcinol pentanuclear or higher nuclear bodies. The invention relates to a ketone-modified resorcinol-formalin resin, which is produced by a two-step reaction and wherein a peak area corresponding resorcinol monomer is 3 to 9% and a peak area corresponding to resorcinol pentanuclear and higher nuclear bodies is 30 to 55% relative to the total peak area obtained by gel permeation chromatographic analysis of the resorcinol-formalin resin. | 01-15-2009 |
20090036632 | Polyarylene and Process for Producing the Same - A dihalobiphenyl compound represented by the formula (1): | 02-05-2009 |
20120172569 | THERMOSETTING RESIN HAVING BENZOXAZINE RING AND METHOD FOR PRODUCING THE SAME - To provide a thermosetting resin having a benzoxazine ring, having excellent dimensional stability. A thermosetting resin having a benzoxazine ring, comprising a structure A represented by the following formula (1) and a structure B represented by the following formula (2): | 07-05-2012 |
20140371419 | Carmine Colorants - The present disclosure provides a modified carmine which can comprise polymers, such as, polyesters, or conjugating molecules, such as, polycarboxylic acids. | 12-18-2014 |
528128000 | With nonphenolic or nonketone reactant | 14 |
20090082538 | PROCESS FOR PREPARING TERCOPOLYMER DERIVED FROM POLYETHER ETHER SULFONE AND POLYETHER ETHER KETONE - The process for preparation of a series of terpolymer derived from polyether ether sulphone and polyether ether ketone is carried out in a single set of manufacture device applying terpolymerization technology. To the terpolymer reactor, charging the organic solvent, that is sulfolane or diphenyl sulfone, and the total molar weights of the 4,4′-dichlorodiphenyl sulfone and difluorobenzophenone are more than that of hydroquinone by 0.1-1.0%, and the solid content in the solution is 15-35%; then charging xylene which is 10-20% by mass of organic solvent, and beginning stirring, after heated to 75-80, charging the alkali metal carbonate which is more than the hydroquinone by 1-5 mol %, keeping heating. When the temperature rises to 220-260 or 280-320, hold the temperature and continue to react for 2-4 hours, and then pour the polymerized thick liquid into mill slowly to get polymer powder, boiled with acetone and deionized water repeatedly, then the finished powder is dried in the oven, finally obtaining the terpolymer derived from polyether ether sulphone and polyether ether ketone mentioned in the present invention. | 03-26-2009 |
20090111964 | WHOLLY AROMATIC LIQUID-CRYSTALLINE POLYESTER - The present invention provides a wholly aromatic liquid-crystalline polyester consisting of the repeating units represented by formulae (I), (II), (III) and (IV): | 04-30-2009 |
20090247723 | TELECHELIC POLYMER COMPOSITION - A telechelic polymer composition comprising a telechelic polymer having phenolic hydroxyl groups at both ends and having a weight average molecular weight in the range of 1,000 to 10,000, and a compound having a benzoxazine ring structure or a compound having a naphthoxazine ring structure. | 10-01-2009 |
20110082275 | POLY(ORTHOESTER) POLYMERS, AND METHODS OF MAKING AND USING SAME - Poly(orthoester) polymers, and methods of making and using such poly(orthoester) polymers are provided. The poly(orthoester) polymers can be useful for applications including, for example, medical devices and pharmaceutical compositions. In a preferred embodiment, the poly(orthoester) polymers are biodegradable. | 04-07-2011 |
20110166317 | High Temperature Poly(aryl ether)s Containing a Phthalazinone Moiety - A poly(phthalazinone sulfone) composition for molded articles having such characteristics as high temperature resistance, good electrical properties, good chemical and solvent resistance and toughness consists essentially of a polymer of formula (I): | 07-07-2011 |
20110184143 | Catalytic Process for Polymerising Cyclic Carbonates Issued from Renewable Resources - This invention relates to the polymerisation of five-, six- or seven-membered cyclic carbonates by ring-opening polymerisation in the presence of a system comprising a metal salt such as triflate, triflimidate, acetylacetonate or carboxylate and an alcohol. | 07-28-2011 |
20110282025 | DIOL, AND POLYCARBONATE RESIN OR POLYESTER RESIN - A diol from which a resin material having high processability and a high refractive index can be manufactured, a polycarbonate resin and a polyester resin which is a polymer of the diol, and a molded article and an optical element formed of the polymer. The diol is represented by the general formula (1) shown below; the polycarbonate resin and the polyester resin are polymers thereof; and the molded article and the optical element are formed of the polymers, | 11-17-2011 |
20120316313 | HALOGEN-FREE FLAME RETARDING MATERIALS BASED ON BISPHENOL TRIAZOLE RESINS AND POLYMERS - The invention provides halogen-free, bisphenol triazole resins and polymers having exceptional flame retarding properties, related compositions and methods of making and use thereof. | 12-13-2012 |
20130079490 | NORBORNANE-2-SPIRO-alpha-CYCLOALKANONE-alpha'-SPIRO-2''-NORBORNANE-5,5'',6- ,6''-TETRACARBOXYLIC DIANHYDRIDE, NORBORNANE-2-SPIRO-alpha-CYCLOALKANONE-alpha'-SPIRO-2''-NORBORNANE-5,5'',- 6,6''-TETRACARBOXYLIC ACID AND ESTER THEREOF, METHOD FOR PRODUCING NORBORNANE-2-SPIRO-alpha-CYCLOALKANONE-alpha'-SPIRO-2''-NORBORNANE-5,5'',- 6,6''-TETRACARBOXYLIC DIANHYDRIDE, POLYIMIDE OBTAINED BY USING THE SAME, AND METHOD FOR PRODUCING POLYIMIDE - A norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride represented by the following general formula (1): | 03-28-2013 |
20130085251 | POLYMERS AND COPOLYMERS CONTAINING 2H-BENZIMIDAZOL-2-ONE MOIETIES - Polymers and copolymers containing 1H-benzo[d]imidazol-2(3H)-one units have been synthesized under conditions generally used for the synthesis of poly(aryl ether)s. 1H- | 04-04-2013 |
20130172513 | POLYIMIDES - Disclosed is a polyimide polymerized by x molar parts of a first diamine, y molar parts of a second diamine, and 100 molar parts of a first dianhydride, wherein the first diamine has a formula of | 07-04-2013 |
20140128566 | POLYMERIC MATERIALS - A polymeric material includes phenyl moieties, ketone moieties and ether moieties in the polymeric backbone of said polymeric material, wherein the difference between the nucleation temperature (Tn) and the glass transition temperature (Tg) of said polymeric material is greater than 23° C. | 05-08-2014 |
20140163192 | POLY(ARYLETHERKETONE)S AND PROCESS FOR MAKING THEM - Poly(aryletherketone)s comprising fluoride end groups having improved melt stability, lower gel content and lower color are provided. | 06-12-2014 |
20160137788 | POLYIMIDE COPOLYMER OLIGOMER, POLYIMIDE COPOLYMER, AND METHOD FOR PRODUCING EACH OF SAME - Provided are: an oligomer of polyimide copolymer which is an intermediate of a polyimide copolymer having excellent utility and satisfying solvent solubility, storage stability and heat resistance at high levels; a polyimide copolymer obtained therefrom; and their production methods. The oligomer of polyimide copolymer and the polyimide copolymer are obtained by copolymerizing (A) 3,3′,4,4′-biphenyltetracarboxylic dianhydride and/or 3,3′,4,4′-diphenylsulfonetetracarboxylic dianhydride with (B) at least one diamine and/or diisocyanate represented by the following Formulae (1) to (3): | 05-19-2016 |