发明申请
- 专利标题： PROCESS FOR PREPARING ARAMID COPOLYMER
- 专利标题（中）： 制备ARAMID共聚物的方法
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申请号： US13559667申请日： 2012-07-27
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公开(公告)号： US20130197184A1公开(公告)日： 2013-08-01
- 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： C08G69/00
- IPC分类号： C08G69/00
摘要：
The invention concerns processes for forming a polymer comprising residues of 2-(4-amino phenyl)-5(6)amino phenyl benzimidazole (DAPBI), paraphenylene diamine, and terephthaloyl dichloride, comprising the steps of: (a) forming a slurry of DAPBI and paraphenylene diamine in a solvent system comprising an organic solvent and an inorganic salt; and (b) adding a stoichiometric amount of terephthaloyl dichloride to the slurry in a single addition and allowing the formation of the polymer.
公开/授权文献
- US08716431B2 Process for preparing aramid copolymer 公开/授权日：2014-05-06
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