发明授权
- 专利标题： Process for forming an aramid copolymer
- 专利标题（中）： 形成芳族聚酰胺共聚物的方法
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申请号： US13559681申请日： 2012-07-27
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公开(公告)号： US08822632B2公开(公告)日： 2014-09-02
- 发明人: Kiu-Seung Lee
- 申请人： Kiu-Seung Lee
- 申请人地址： US DE Wilmington
- 专利权人： E I du Pont de Nemours and Company
- 当前专利权人： E I du Pont de Nemours and Company
- 当前专利权人地址： US DE Wilmington
- 主分类号： C08G69/28
- IPC分类号： C08G69/28
摘要：
The invention concerns processes for forming a polymer comprising residues of 2-(4-amino phenyl)-5 (6) amino benzimidazole (DAPBI), paraphenylene diamine, and terephthaloyl dichloride, the process comprising: (a) forming a solution of oligomers having chloride end groups from one mole of paraphenylene diamine and 1.3 to 5 moles of terephthaloyl dichloride a solvent system comprising an organic solvent and an inorganic salt; and (b) adding DAPBI and terephthaloyl dichloride to the solution of oligomers to form a polymer.
公开/授权文献
- US20130197148A1 PROCESS FOR FORMING AN ARAMID COPOLYMER 公开/授权日：2013-08-01
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