Patent application number | Description | Published |
20090092800 | COMPOSITION FOR PREPARING MODIFIED POLYIMIDE/CLAY NANOCOMPOSITES AND PREPARATION METHOD OF MODIFIED POLYMIDE/CLAY NANOCOMPOSITES USING THE SAME - Example embodiments provide a composition for preparing modified polyimide/clay nanocomposites. The composition comprises a modified polyamic acid terminated with groups at both ends of the backbone and a layered clay compound. Example embodiments provide a method for preparing modified polyimide/clay nanocomposites using the composition. Polyimide/clay nanocomposites prepared by the method exhibit excellent thermal properties. Therefore, the polyimide/clay nanocomposites can find many useful applications as materials for next-generation substrates that are small in size and thickness and light in weight. | 04-09-2009 |
20090111949 | LIQUID CRYSTAL POLYESTER RESIN COMPOSITION AND PRINTED CIRCUIT BOARD USING THE SAME - Disclosed herein is a liquid crystal polyester resin composition and a printed circuit board using the composition. The composition comprises a liquid crystal polyester, a polybenzimidazole and an aprotic solvent. The composition exhibits good thermal stability and has a low dielectric constant. The composition can be advantageously used as a material for printed circuit boards (PCBS) used in semiconductor packages, mobile devices and LCD devices. | 04-30-2009 |
20090117348 | COMPOSITION FOR PRODUCING BOARD AND PRINTED CIRCUIT BOARD USING THE SAME - Compositions for producing a board and a printed circuit board produced using the composition are provided. The compositions can be used for the production of a variety of printed circuit boards. | 05-07-2009 |
20090151987 | COMPOSITION FOR PRODUCING PRINTED CIRCUIT BOARD AND PRINTED CIRCUIT BOARD USING THE SAME - A composition for producing a printed circuit board is provided. The composition includes a polyamic acid having one or two crosslinkable functional groups introduced at one or both ends thereof, a liquid crystal polymer (LCP) or a liquid crystalline thermoset (LCT) oligomer, and an organic solvent. Therefore, the composition can be used as a material for next-generation boards that are becoming gradually lighter in weight and smaller in thickness and size. Further provided is a printed circuit board produced using the composition. | 06-18-2009 |
20090308643 | CROSSLINKABLE THERMOSET MONOMER, COMPOSITION FOR PRODUCING PRINTED CIRCUIT BOARD COMPRISING THE THERMOSET MONOMER AND PRINTED CIRCUIT BOARD USING THE COMPOSITION - Disclosed herein is a crosslinkable thermoset monomer. The crosslinkable thermoset monomer has acetylene groups as crosslinking groups introduced at both ends of the backbone. Also disclosed herein is a composition for producing a printed circuit board which comprises the crosslinkable thermoset monomer. The composition exhibits excellent mechanical and thermal properties. Therefore, the composition can be used as a material for next-generation boards that are becoming lighter in weight and smaller in size and thickness. Also disclosed herein is a printed circuit board using the composition. | 12-17-2009 |
20100124037 | THERMOSETTING COMPOSITION AND PRINTED CIRCUIT BOARD USING THE SAME - A thermosetting composition including an organic solvent, a liquid crystalline thermoset oligomer, and either a crosslinking agent or an epoxy resin or both is disclosed. A printed circuit board which includes the thermosetting composition is also disclosed. The printed circuit board is produced by impregnating the thermosetting composition into a reinforcing material. | 05-20-2010 |
20100139961 | COMPOSITION FOR PRODUCING A BOARD AND PRINTED CIRCUIT BOARD USING THE SAME - A composition, including a liquid crystal polymer or oligomer having a terminal hydroxyl group, and a cross-linking agent including a bismaleimide compound, an epoxy resin or a combination thereof, wherein the liquid crystal polymer or oligomer is represented by Formula 1: | 06-10-2010 |
20100159231 | THERMOSETTING RESIN COMPOSITION AND BOARD USING THE SAME - Disclosed is a thermosetting resin composition including a thermosetting aromatic oligomer represented by the following Chemical Formula 1, a hollow particle, and solvent, and a board comprising the same. | 06-24-2010 |
20100215973 | MALEIMIDE BASED COMPOUND, COMPOSITION FOR FORMING BOARD, AND BOARD FABRICATED USING THE SAME - Disclosed is a composition for forming a board. The composition includes a maleimide-based compound including at least three maleimide groups and a liquid crystalline polymer or oligomer. A prepreg and a board are each fabricated using the composition. | 08-26-2010 |
20100285243 | COMPOSITION INCLUDING BENZOXAZINE-BASED COMPOUND FOR FORMING BOARD AND BOARD FABRICATED USING THE SAME - Disclosed is a composition for forming a board including a benzoxazine-based compound and a liquid crystal polymer or oligomer, and a board fabricated using the same. A board comprising the composition including the benzoxazine-based compound and the liquid crystal compound, and a prepreg comprising the cured composition, are also disclosed | 11-11-2010 |
20120238698 | POLYAMIDE COMBINATION FILM PREPARED BY USING SAME, AND DISPLAY DEVICE INCLUDING THE FILM - Provided are a polyamide combination that includes: a first polyamide including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a second polyamide including a repeating unit represented by Chemical Formula 3, and a film prepared using the polyamide combination. | 09-20-2012 |
20120296037 | POLYAMIDE BLOCK COPOLYMER, ARTICLE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING THE ARTICLE - A polyamide block copolymer that includes a first segment including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a second segment including a repeating unit represented by Chemical Formula 3. The variables R | 11-22-2012 |
20120296050 | 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 Chemical Formula 1A, a repeating unit represented by Chemical Formula 1B, a repeating unit represented by Chemical Formula 1C, or a combination thereof; and a second segment including a repeating unit represented by Chemical Formula 2: | 11-22-2012 |
20130202869 | ARTICLE, METHOD OF PREPARING SAME, AND DISPLAY DEVICE INCLUDING THE SAME - An article including a polymer element including a polymer, and inorganic particles having a concentration gradient which decreases in concentration from at least one surface of the polymer element to the inside thereof, wherein the inorganic particles have a refractive index that is greater than or equal to the refractive index of air and less than the refractive index of the polymer. | 08-08-2013 |
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 |
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 |
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 |