| 发明名称 | Polyamide-imide copolymer film and method of preparing polyamide-imide copolymer | ||
| 摘要 | Disclosed herein is a polyamide-imide copolymer film, comprising a copolymer resin in which a unit structure derived from TFDB (2,2′-bistrifluoromethyl-4,4′-biphenyl diamine), a unit structure derived from 6FDA (4,4′-(hexa-fluoroisopropylidene)diphthalic anhydride), a unit structure derived from BPDA (3,3′,4,4′-biphenyltetracarboxylic dianhydride) and a unit structure derived from TPC (terephthaloyl chloride or 1,4-benzenedicarbonyl chloride) are copolymerized, wherein the copolymer resin has a weight average molecular weight of 10,000˜400,000. | ||
| 申请公布号 | US9018343(B2) | 申请公布日期 | 2015.04.28 |
| 申请号 | US201214347895 | 申请日期 | 2012.09.27 |
| 申请人 | Kolon Industries, Inc. | 发明人 | Park Hyo Jun;Jung Hak Gee |
| 分类号 | C08G69/26;C08G73/14;C08L79/08;C08G73/10;G02F1/1337 | 主分类号 | C08G69/26 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A polyamide-imide copolymer film, comprising a copolymer resin in which a unit structure derived from TFDB (2,2′-bistrifluoromethyl-4,4′-biphenyl diamine), a unit structure derived from 6FDA (4,4′-(hexa-fluoroisopropylidene)diphthalic anhydride), a unit structure derived from BPDA (3,3′,4,4′-biphenyltetracarboxylic dianhydride) and a unit structure derived from TPC (terephthaloyl chloride or 1,4-benzenedicarbonyl chloride) are copolymerized. | ||
| 地址 | Gyeonggi-do KR | ||