Class / Patent application number | Description | Number of patent applications / Date published |
524600000 | Carboxylic acid contains three or more acid groups or derivative thereof | 47 |
20080275181 | Block Copolymerized Polyimide Ink Composition for Printing - The object is to provide a polyimide ink composition having good printing properties and good continuous printing properties, which composition can be dried at a low temperature of not higher than 220° C., and which composition gives a coating film, after being dried, having excellent dimensional stability, heat resistance, low modulus of elasticity, flexibility, resistance to warping, chemical resistance, adhesiveness with substrates, and plating resistance. This object is accomplished by a polyimide ink composition for printing, comprising a mixed solvent containing an benzoic acid ester solvent and a glyme solvent, and a polyimide soluble in the mixed solvent; wherein the polyimide is obtained by polycondensing a polyimide oligomer with a tetracarboxylic dianhydride component(s) and/or a diamine component(s) having no siloxane bond in molecular skeleton thereof the polyimide oligomer being prepared by polycondensing a tetracarboxylic dianhydride component(s) and a diamine component(s) having siloxane bonds in molecular skeleton thereof in the presence of a base catalyst(s), or a mixed catalyst including a lactone(s) and/or an acidic compound(s) and a base(s); the content of the diamine component(s) having siloxane bonds based on the total diamine components being 15 to 85% by weight. | 11-06-2008 |
20090099301 | MOLECULAR IMPRINTINGS FOR RECOGNITION IN AQUEOUS MEDIA, METHODS FOR PREPARING SAME AND USES THEREOF - The present invention relates to crosslinked polymeric nanospheres having a star-shaped structure of the core-branch type, in which the branches are of a hydrophilic nature and the core is of a polymeric, crosslinked, hydrophobic nature and forms the imprint of all or at least part of a target molecule and to a process for preparing them. | 04-16-2009 |
20090137735 | Thermoplastic Articles Comprising Cyclobutanediol Having a Decorative Material Embedded Therein - This invention relates to thermoplastic article having one or more decorative materials embedded therein which is obtained by applying heat and pressure to one or more laminates wherein at least one of said laminates comprises, in order, (1) an upper sheet material; (2) one or more decorative materials; and (3) a lower sheet material; wherein the upper and lower sheet materials are formed from a polyester/aromatic polycarbonate blend wherein the thermoplastic article comprises at least one polyester composition comprising at least one polyester which comprises terephthalic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol. | 05-28-2009 |
20090299003 | Highly efficient agents for dispersion of nanoparticles in matrix materials - Dendritic macroinitiator compositions are provided comprising a compound of the general formula, Fx-[G-n]-I, where F is the chain end functional group of the dendrimer, x is the number of chain end functional groups, G is the dendrimer, n is the generation number of the dendrimer, and I is the initiating group. Hybrid dendritic-linear copolymers made from these macroinitiator can act as highly efficient dispersing agents for a range of nanoparticles in matrix materials. | 12-03-2009 |
20110092640 | COMPOSITION OF MODIFIED MALEIC ANHYDRIDE AND EPOXY RESIN - The present invention provides a composition of the modified maleic anhydride and the epoxy resins, including (A) one or more of the epoxy resin mixtures, (B) a modified maleic anhydride copolymer, (C) additives and (D) inorganic filler materials, wherein component (A) the epoxy resin mixture accounts for 35%˜56% by weight of the composition solids, component (B) the modified maleic anhydride copolymer accounts for 44%˜65% by weight of the composition solids, based on 100% by weight of total components (A), (B) and (C). According to the present invention, the modified maleic anhydride copolymer curing agent is prepared by reacting styrene/maleic anhydride copolymer with a modifier having hydroxy groups (OH), wherein the modifier having hydroxy groups (OH) can be a brominated, phosphorus-based or halogen-free material; the epoxy resin composition of the present invention shows good heat resistance and outstanding electrical properties, is suitable for the production of prepreg material, bonding films and copper clad laminates, thus can be used in the field of the general or high-frequency printed circuit boards. | 04-21-2011 |
20110098409 | COMPOSITIONS AND ARTICLES FOR HIGH-TEMPERATURE WEAR USE - Disclosed herein are compositions and articles that are useful in environments exposed to heat, wear, and oxidizing agents, which are improved by means of specific kinds of carbon filaments. The compositions and articles comprise high-temperature polymer, high-temperature filler, and a mixture of carbon filament, wherein said mixture of carbon filament comprises multiwall axial carbon filament. | 04-28-2011 |
20110124806 | DIMENSIONALLY STABLE POLYIMIDES, AND METHODS RELATING THERETO - A film is disclosed, containing 40-100 weight percent polyimide. The polyimide is derived from a dianhydride component and a diamine component. The dianhydride component is at least 3,3′,4,4′-biphenyl tetracarboxylic dianhydride (BPDA), and optionally is also pyromellitic dianhydride (PMDA) in a mole ratio of 50-100:50-0 (BPDA:PMDA). The diamine component comprises 1,5-naphthalenediamine (1,5-ND) and 1,4-diaminobenzene (PPD) and/or meta phenylene diamine (MPD) in a mole ratio of 15-95:85-5 (1,5-ND:PPD+MPD). The films have exceptional high temperature storage modulus (elastic modulus) and exceptionally low high temperature creep (e | 05-26-2011 |
20110301288 | THIOIC ACIDS AS BUILDING BLOCK FOR POLYTHIOESTERS - The present invention relates to thioic acids according to formula (II) suitable as building block for polythioesters; Wherein X is O, N or S and whereby R1 is chosen from (—CH | 12-08-2011 |
20120016076 | LOW TEMPERATURE CURABLE POLYIMIDE RESIN AND METHOD OF PREPARING THE SAME - In a method for preparing a polyimide resin by reacting diamine and dianhydride, the polyimide resin is polymerized under the presence of a solvent having a boiling point ranging from 130° C. to 180° C. so as to be curable at a low temperature ranging from 150° C. to 250° C. | 01-19-2012 |
20120059119 | THERMOSETTING POLYIMIDE RESIN COMPOSITION, CURED PRODUCT, AND ADHESIVE - To provide a thermosetting polyimide resin composition that can provide a cured product which generates a small amount of decomposition gas even when exposed to, for example, a high-temperature environment of about 250° C., and which exhibits high heat resistance, high durability, favorable flexibility, and favorable adhesive property; a cured product produced from the thermosetting polyimide resin composition; and an adhesive produced from the thermosetting polyimide resin composition. The thermosetting polyimide resin composition containing (a) a polyimide produced through reaction between a tetracarboxylic acid component containing a tetracarboxylic dianhydride and/or a tetracarboxylic acid, and a diamine; and (b) a maleimide composition containing at least one polymaleimide compound represented by any of formulas (4-1) to (4-3). | 03-08-2012 |
20120101225 | WATERBORNE COATING COMPOSITIONS CONTAINING LOW-VOC COALESCENTS THAT ARE HYDROXYPIVALYL HYDROXYPIVALATE ESTERS - Waterborne coating compositions are disclosed that include a latex emulsion polymer, and, as a coalescent, a diester of hydroxypivalyl hydroxypivalate. The coating compositions of the invention have a reduced VOC content and provide satisfactory coalescing activity. | 04-26-2012 |
20120252968 | Anisotropic Copoly(imide Oxetane) Coatings and Articles of Manufacture, Copoly(imide Oxetane)s Containing Pendant Fluorocarbon Moieties, Oligomers and Processes Therefor - Copoly(imide oxetane) materials are disclosed that can exhibit a low surface energy while possessing the mechanical, thermal, chemical and optical properties associated with polyimides. The copoly(imide oxetane)s are prepared using a minor amount of fluorinated oxetane-derived oligomer with sufficient fluorine-containing segments of the copoly(imide oxetane)s that migrate to the exterior surface of the polymeric material to yield low surface energies. Thus the coatings and articles of manufacture made with the copoly(imide oxetane)s of this invention are characterized as having an anisotropic fluorine composition. The low surface energies can be achieved with very low content of fluorinated oxetane-derived oligomer. The copolymers of this invention can enhance the viability of polyimides for many applications and may be acceptable where homopolyimide materials have been unacceptable. | 10-04-2012 |
20130096256 | NOVEL CROSS-LINKER - Disclosed are novel cross-linkable end-cappers for oligo-and polyimides. End-capped oligo-and polyimides comprising such an end-capper may be cured at a lower temperature compared to oligo-and polyimides end-capped with PEPA. | 04-18-2013 |
20130150523 | LIQUID CRYSTAL ALIGNMENT FILM, METHOD FOR PREPARING SAME AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME - The invention provides a liquid crystal alignment film, a method for preparing the same and a liquid crystal display device comprising the same. The alignment film comprises polyimide obtained by reacting the compound as shown in Formula 2 or Formula 3 with the aromatic diamine as shown in Formula 1, wherein the R | 06-13-2013 |
20130158195 | Delustrant Composed of Polyimide Powder, Polyimide Film Incorporating The Delustrant, and Manufacture Thereof - A polyimide film with low gloss comprising a polyimide base polymer constituting the film, and a polyimide powder distributed in the film, the polyimide film having a 60° gloss value smaller or equal to about 50. The polyimide powder used as delustrant can have an average particle size between about 0.5 μm and about 15 μm. Embodiments described herein also include methods of preparing the polyimide film and the delustrant. | 06-20-2013 |
20130184406 | RESIN COMPOSITION AND MANUFACTURING PROCESS THEREFOR - A polyamic acid resin composition includes (a) a polyamic acid having structures represented by general formula (1) in an amount of at least 80% of all the repeating units and (b) a solvent. In formula (1), A is a polyamic acid block represented by general formula (2); B is a polyamic acid block represented by general formula (3); and k is a positive integer. In formula (2), Ws are divalent organic groups having two or more carbon atoms, mainly composed of divalent organic groups represented by general formula (4); Xs are tetravalent organic groups having two or more carbon atoms. In formula (3), Ys are divalent organic groups having two or more carbon atoms, exclusive of the groups represented by formula (4); Zs are tetravalent organic groups each having two or more carbon atoms, and are mainly composed of tetravalent organic groups represented by general formula (5) or (6). | 07-18-2013 |
20130203937 | POLY(AMIDE-IMIDE) BLOCK COPOLYMER, ARTICLE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING THE ARTICLE - A poly(amide-imide) block copolymer that includes a first segment including a repeating unit represented by the following Chemical Formula 1 and a second segment including a repeating unit represented by the following Chemical Formula 2: | 08-08-2013 |
20130211001 | Polymer Having Unsaturated Cycloaliphatic Functionality and Coating Compositions Therefrom - A polymer is provided that preferably includes at least one unsaturated cycloaliphatic group. In one embodiment, the polymer is combined with an optional crosslinker and an optional carrier to form a coating composition suitable for use in coating articles such as packaging articles. In one embodiment, the polymer has at least one unsaturated cycloaliphatic group that is at least bicyclic. | 08-15-2013 |
20130253131 | POLYMER, INK AND ORGANIC FILM - A polymer including: a polyaryl backbone; and an organic side-chain group including a partial structure represented by the following General Formula (I) or (II). | 09-26-2013 |
20130281618 | LIQUID CRYSTAL ALIGNMENT AGENT, AND LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT FORMED FROM THE LIQUID CRYSTAL ALIGNMENT AGENT - A liquid crystal alignment agent including a polymer composition and a solvent. The polymer composition is obtained by subjecting a mixture including a tetracarboxylic dianhydride component, a multi-amine component of formula (I) defined herein, and a diamine component to a reaction. The diamine component includes a diamine compound of formula (II) defined herein. | 10-24-2013 |
20130289202 | POLYAMIC ACID RESIN COMPOSITION AND METHOD OF PRODUCING THE SAME - The disclosed polyamic acid resin composition contains (a) a polyamic acid represented by general formula (1) or (2), and (b) a solvent. (A, A′, C, C′ are end-capped polyamic acid blocks comprising diaminobenzanilide and pyromellitic dianhydride or benzophenone tetracarboxylic dianhydride, and B, or D, is a polyamic acid block comprising a repeating unit other than A, A′, or C, C′. | 10-31-2013 |
20130303691 | NOVEL MATERIAL FOR OPTICAL FILM, POLYMER, ARTICLE PREPARED BY USING THE POLYMER, AND DISPLAY DEVICE INCLUDING THE ARTICLE - A material for an optical film including a compound represented by Chemical Formula 1; a polymer including a repeating unit represented by Chemical Formula 10; a polymer including a repeating unit represented by Chemical Formula 20 and a repeating unit represented by Chemical Formula 21; an article prepared by using the polymer; and a display device including the article: | 11-14-2013 |
20140011950 | RESIN-TRANSFER-MOLDABLE TERMINAL-MODIFIED IMIDE OLIGOMER USING 2-PHENYL-4,4' DIAMINODIPHENYL ETHER AND HAVING EXCELLENT MOLDABILITY, MIXTURE THEREOF, VARNISH CONTAINING SAME, AND CURED RESIN THEREOF AND FIBER-REINFORCED CURED RESIN THEREOF MADE BY RESIN TRANSFER MOLDING AND HAVING EXCELLENT HEAT RESISTANCE - A novel resin-transfer-moldable terminal-modified imide oligomer having a residue of a tetravalent aromatic tetracarboxylic acid and represented by general formula (1), and the imide oligomer contains an oligomer where n is 0 in an amount of 10% by mole or more. | 01-09-2014 |
20140031490 | GLYCEROL BASED UNSATURATED POLYESTER RESINS AND RAW MATERIALS THEREFOR - The invention relates to a mixture of glycerol, mono-, di- and triacetylglycerolester in which the amount of tri-ester is less than 15 mol %, the amount of glycerol is less than 25 mol %, the amount of monoester is about 20 mol % or more, more preferred about 30 mol % or more and the amount of diester is about 20 mol % or more preferred about 40 mol % or more. The invention further relates to methods to prepare such glycerolacetylester mixtures, and to the use thereof in the preparation of unsaturated polyesters. Polyesters comprising said glycerolacetylester mixtures are made from a higher amount of raw materials than obtainable from renewable resources. | 01-30-2014 |
20140135448 | OLIGO- AND POLYIMIDES - An oligo- or polyimide comprising one or two residue(s) of an anhydride based acetylenic end-capper, at least one EBPA residue, at least one residue of anaromatic di-amine, and optionally at least one residue of an aromatic non-acetylenic di-anhydride is disclosed. A method for obtaining such an oligo- or polyimide is also disclosed. | 05-15-2014 |
20140171588 | COMPOSITION FOR FLEXIBLE SUBSTRATE AND FLEXIBLE SUBSTRATE FORMED FROM THE SAME - A composition for a flexible substrate includes a polymer and a solvent. The polymer is selected from the polyamic acid, polyimide, and a combination thereof, and is obtained by subjecting a mixture including a tetracarboxylic dianhydride component and a diamine component to a reaction. The tetracarboxylic dianhydride component includes a bicyclic alicyclic tetracarboxylic dianhydride compound and a fluorine-containing tetracarboxylic dianhydride compound. The bicyclic alicyclic tetracarboxylic dianhydride compound is in an amount ranging from 30 mole % to 70 mole % and the fluorine-containing tetracarboxylic dianhydride compound is in an amount ranging from 30 mole % to 70 mole % based on 100 mole % of the tetracarboxylic dianhydride component. | 06-19-2014 |
20140213722 | THERMOSETTING COMPOSITION, HARDENED FILM AND ELECTRONIC COMPONENT - A thermosetting composition containing a compound (A) and a compound (B) is described, wherein the compound (A) is a carboxylic acid ester having at least one group represented by formula (1): | 07-31-2014 |
20140343223 | PROCESS FOR THE PRODUCTION OF POLYIMIDE AND POLYAMIC ESTER POLYMERS - This disclosure relates to a process of purifying a polymer. The process includes (a) providing an organic solution containing a polyimide or polyamic ester in at least one polar, aprotic polymerization solvent; (b) adding at least one purification solvent to the organic solution to form a diluted organic solution, the at least one purification solvent is less polar than the at least one polymerization solvent and has a lower water solubility than the at least one polymerization solvent at 25° C.; (c) washing the diluted organic solution with water or an aqueous solution to obtain a washed organic solution; and (d) removing at least a portion of the at least one purification solvent in the washed organic solution to obtain a solution containing a purified polyimide or polyamic ester. This disclosure also relates to a process of preparing a film on a semiconductor substrate, as well as related purified polymer solutions, films, and articles. | 11-20-2014 |
20140350179 | LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT HAVING THEREOF - The present invention relates to a liquid crystal alignment agent, a liquid crystal alignment film made by the liquid crystal alignment agent and a liquid crystal display element having the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer composition (A) and a solvent (B). The polymer composition (A) is synthesized by reacting a mixture that includes a tetracarboxylic dianhydride component (a) and a diamine component (b). The aforementioned liquid crystal alignment agent has a better long-term printability. | 11-27-2014 |
20150018484 | POLYIMIDE FILM AND FABRICATION METHOD THEREOF - A polyimide film includes a polyimide polymer forming a main molecular structure of the polyimide film, and polyimide particles present in the polyimide film at a weight ratio between about 15 wt % and 30 wt % of a total weight of the polyimide film, the polyimide particles having an average diameter between about 3 μm and 8 μm. The polyimide film can have a 60° gloss value equal to or smaller than 10, a haze equal to or higher than 90%, and a Young's modulus equal to or higher than 280 kgf/mm | 01-15-2015 |
20150025192 | Black Polyimides and Synthesis Thereof - Black polyimides polymer and a method of synthesizing the same have been developed. The black polyimide polymer includes at least one acid monomer, at least one diamino monomer and a solvent-soluble black dye. The acid and diamino monomers having been reacting in a solvent under suitable conditions to form a polyimide precursor polymer. | 01-22-2015 |
20150031829 | LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT HAVING THEREOF - The present invention relates to a liquid crystal alignment agent, a liquid crystal alignment film made by the liquid crystal alignment agent and a liquid crystal display element having the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer (A) and a solvent (B). The polymer (A) is synthesized by reacting a mixture that includes a tetracarboxylic dianhydride compound (a) and a diamine compound (b). According to the specific diamine compound (b) and an amount of the same, the aforementioned liquid crystal alignment agent has better pretilt angle stability. | 01-29-2015 |
20150045501 | THERMOPLASTIC COPOLYIMIDES - The present invention relates to semiaromatic semicrystalline thermoplastic copolyimides obtained by polymerization of at least: (a) an aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof; (b) a diamine of formula (I) NH2-R—NH2 in which R is a divalent aliphatic hydrocarbon-based radical optionally comprising heteroatoms, the two amine functions being separated by a number X of carbon atoms, X being between 4 and 12; and (c) a diamine of formula (II) NH2-R′—NH2 in which R′ is a divalent aliphatic hydrocarbon-based radical optionally comprising heteroatoms, the two amine functions being separated by a number Y of carbon atoms, Y being between 10 and 20; it being understood that diamine (b) is different from diamine (c). | 02-12-2015 |
20150045502 | POLYAMIDE ACID AND RESIN COMPOSITION CONTAINING SAME - The invention aims to provide polyamic acid that can form a varnish with a low viscosity and serves to produce, through curing, coat film with good mechanical characteristics and further aims to produce cured coat film with good mechanical characteristics regardless of whether the molar concentration of the acid anhydride group in the acid dianhydride monomer and that of the amino group in the multivalent amine compound or diamine compound are identical to or different from each other. This objective is met by polyamic acid including a structure as represented by chemical formula (1) given below: (In chemical formula (1), δ represents an oxygen or sulfur atom and W represents an electron-withdrawing group, and R | 02-12-2015 |
20150051341 | Thermosetting Solution Composition, Cured Product Using Same, Prepreg, and Fiber-Reinforced Composite Material Using Same - A thermosetting solution composition composed of a biphenyltetracarboxylic acid compound containing a partial lower aliphatic alkyl ester of 2,3,3′,4′-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2′,3,3′-biphenyltetracarboylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg. | 02-19-2015 |
20150080528 | LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT HAVING THEREOF - The present invention relates to a liquid crystal alignment agent, a liquid crystal alignment film made by the liquid crystal alignment agent and a liquid crystal display element having the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer composition (A) and a solvent (B). The polymer composition (A) is synthesized by reacting a mixture that includes a tetracarboxylic dianhydride component (a) and a diamine component (b). The aforementioned liquid crystal alignment agent has a better process stability, and the liquid crystal alignment film made by the liquid crystal alignment agent could improve the reliability of the liquid crystal display element. | 03-19-2015 |
20150307693 | COMPOSITION FOR PREPARING POLYIMIDE, POLYMER, ARTICLE INCLUDING POLYMER, AND DISPLAY DEVICE INCLUDING ARTICLE - A composition for preparing a polyimide including an oligomer including at least two termini, wherein the oligomer is selected from a polyimide, a polyamic acid, a poly(imide-amic acid), and a combination thereof, and wherein at least two of the at least two termini of the oligomer include a dicarboxylic acid group; and an inorganic particle having a surface, wherein the surface comprises two or more amino groups. | 10-29-2015 |
20150353829 | LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT - A liquid crystal alignment agent capable of forming a liquid crystal alignment film having good ultraviolet reliability, the liquid crystal alignment film, and a liquid crystal display element having the same are provided. The liquid crystal alignment agent includes a polymer (A) and a solvent (B). The polymer (A) is obtained by reacting a mixture. The mixture includes a tetracarboxylic dianhydride component (a) and a diamine component (b). The diamine component (b) includes a diamine compound (b-1) represented by formula (1) and a diamine compound (b-2) represented by formula (2). | 12-10-2015 |
20160024272 | COMPOSITION OF PREPARING POLYIMIDE-INORGANIC PARTICLE COMPOSITE, POLYIMIDE-INORGANIC PARTICLE COMPOSITE, AND ARTICLE INCLUDING POLYIMIDE-INORGANIC PARTICLE COMPOSITE - A composition for preparing a polyimide-inorganic particle composite including a reaction product of a tetracarboxylic dianhydride mixture and a diamine, and a precursor of an inorganic particle, wherein the tetracarboxylic dianhydride mixture includes a tetracarboxylic dianhydride represented by Chemical Formula 1, and a tetracarboxylic dianhydride represented by Chemical Formula 2, and wherein the diamine is represented by Chemical Formula 3: | 01-28-2016 |
20160096927 | COMPOSITION FOR PREPARING POLYIMIDE-INORGANIC PARTICLE COMPOSITE, ARTICLE PREPARED THEREFROM, AND OPTICAL DEVICE COMPRISING SAME - A composition for preparing a polyimide-inorganic particle composite, including a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle having an amino group on its surface: | 04-07-2016 |
20160115276 | TRANSPARENT POLYIMIDE AND PRECURSOR THEREOF - Provided is a polyimide excellent in heat resistance and colorless transparency and also excellent in flexibility and ultraviolet ray transmittance. The polyimide includes a structural unit represented by Formula (1a) and a structural unit represented by Formula (1b) wherein R is a specific aromatic group. | 04-28-2016 |
20160122483 | POLYIMIDE POLYMER, POLYIMIDE FILM HAVING THE SAME AND POLYIMIDE LAMINATE HAVING THE SAME - A polyimide polymer, polyimide film and polyimide laminate plate including the same are provided. The polyimide polymer includes Formula (I), Formula (II) and Formula (III). | 05-05-2016 |
20160137787 | POLYMIDE PRECURSOR AND POLYMIDE - A polyimide precursor consisting of a repeating unit represented by the following chemical formula (1): | 05-19-2016 |
20160145466 | A CROSSLINKABLE COATING COMPOSITION AND METHOD OF PRODUCING THE SAME - The instant invention provides a crosslinkable coating composition, and method of producing the same. The crosslinkable coating composition according to the present invention comprises: (a) one or more polycarbamates derived from one or more polyesters comprising the condensation reaction product of one or more polyols with one or more polyacids, wherein said one or more polyols comprise at least 25 percent by weight of one or more units having 4 or more hydroxyl groups; (b) one or more crosslinking agents; (c) one or more acid catalysts; and (d) optionally one or more organic solvents. | 05-26-2016 |
20160168329 | POLYMIDE RESIN | 06-16-2016 |
20160185964 | POLYIMIDE PRECURSOR COMPOSITION, POLYIMIDE MOLDED ARTICLE, AND METHOD FOR PREPARING POLYIMIDE MOLDED ARTICLE - A polyimide precursor composition includes a resin having repeating units represented by the following formula (I), a lactone compound, an organic amine compound, and a solvent including water, wherein the resin, the lactone compound and the organic amine compound are dissolved in the solvent: | 06-30-2016 |
20170233325 | NOVEL MONOMERS FROM BIOMASS | 08-17-2017 |