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发明名称
Aramid copolymer
摘要
The invention concerns polymer comprising 2-(4-amino phenyl)-5 (6) amino benzimidazole (DAPBI), PPD, and terephthaloyl dichloride, the polymer having a IPC peak block ratio of 1.52 to 1.56 and an inherent viscosity of greater than 2 dl/g.
申请公布号
US8716434(B2)
申请公布日期
2014.05.06
申请号
US201213559678
申请日期
2012.07.27
申请人
LEE KIU-SEUNG;E I DU PONT DE NEMOURS AND COMPANY
发明人
LEE KIU-SEUNG
分类号
C08G64/00;C08G63/02;C08G69/28
主分类号
C08G64/00
代理机构
代理人
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