Patent application number | Description | Published |
20140031499 | COMPOSITION INCLUDING POLYIMIDE BLOCK COPOLYMER AND INORGANIC PARTICLES, METHOD OF PREPARING SAME, ARTICLE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING THE ARTICLE - Disclosed is a polyimide composition including a copolymer including first and/or second repeating unit including an imide repeating unit, or an amic acid repeating unit to form an imide repeating unit through imidization, and a third repeating unit including an amid repeating unit, wherein at least one terminal end of the copolymer is substituted with a substituted or unsubstituted siloxane or silanol group; and an inorganic particle or a precursor thereof. | 01-30-2014 |
20150057426 | POLY(IMIDE-AMIDE) COPOLYMER AND COMPOSITION INCLUDING POLY(IMIDE-AMIDE) COPOLYMER - A composition including a plurality of oligomers including at least one selected from a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and a combination thereof; and at least one selected from a repeating unit represented by Chemical Formula 3, a repeating unit represented by Chemical Formula 3A, and a combination thereof; wherein at least a part of the plurality of oligomers includes at least one terminal end having an amino group, and wherein at least a part of the plurality of oligomers including at least one terminal end having an amino group is a diamine having a pKa value of equal to or less than 3 at 25° C.: | 02-26-2015 |
20150057427 | POLY(IMIDE-AMIDE) COPOLYMER, A METHOD OF PREPARING A POLY(IMIDE-AMIDE) COPOLYMER, AND AN ARTICLE INCLUDING A POLY(IMIDE-AMIDE) COPOLYMER - A poly(imide-amide) copolymer, which is a product of a reaction between a diamine and a dianhydride, wherein the diamine comprises a diamine represented by Chemical Formula 1 and the dianhydride comprises a dianhydride represented by Chemical Formula 5: | 02-26-2015 |
20150148517 | NEW COMPOUND, POLY(IMIDE-AMIDE) COPOLYMER, AND AN ARTICLE INCLUDING THE POLY(IMIDE-AMIDE) COPOLYMER - A compound represented by Chemical Formula 1: | 05-28-2015 |
20150152226 | POLY(IMIDE-AMIDE) COPOLYMER, ARTICLE INCLUDING POLY(IMIDE-AMIDE) COPOLYMER, AND DISPLAY DEVICE INCLUDING THE ARTICLE - A poly(imide-amide) copolymer including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, and a structural unit represented by Chemical Formula 3: | 06-04-2015 |
20150225607 | POLYIMIDE FILM AND DISPLAY DEVICE INCLUDING THE FILM - A composite film including a base film including a polyimide or poly(imide-amide) copolymer and a coating layer including a copolymer represented by Chemical Formula 1 disposed on one surface of the base film: | 08-13-2015 |
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 |
20150361232 | COMPOSITION FOR PREPARING POLYIMIDE-INORGANIC COMPOSITE MATERIAL, AND ARTICLE PREPARED BY USING SAME - A composition for preparing a polyimide-inorganic composite material including: a polyamic acid represented by Chemical Formula 1, a polyimide represented by Chemical Formula 2, or a combination thereof; an inorganic particle precursor; and water, wherein the polyamic acid, the polyimide, or the combination thereof is a reaction product of a dicarboxylic acid anhydride and a diamine, wherein the mole ratio of the diamine to the dicarboxylic acid anhydride is greater than 0.93 and less than 0.95, and wherein the inorganic particle precursor is included in an amount to provide an inorganic particle in an amount of greater than or equal to about 30 weight % and less than or equal to about 60 weight % based the total weight of the polyimide-inorganic composite material prepared: | 12-17-2015 |