发明授权
- 专利标题: Rigid-rod benzimidazole pendant benzobisazo polymer
- 专利标题(中): 刚性唑苯并咪唑侧链苯并二唑聚合物
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申请号: US686205申请日: 1991-04-16
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公开(公告)号: US5140092A公开(公告)日: 1992-08-18
- 发明人: Fred E. Arnold , Loon-Seng Tan , Thuy D. Dang
- 申请人: Fred E. Arnold , Loon-Seng Tan , Thuy D. Dang
- 申请人地址: DC Washington
- 专利权人: The United States of America as represented by the Secretary of the Air Force
- 当前专利权人: The United States of America as represented by the Secretary of the Air Force
- 当前专利权人地址: DC Washington
- 主分类号: C08G73/06
- IPC分类号: C08G73/06 ; C08G73/18 ; C08G73/22 ; C08G75/32
摘要:
Provided is a para-ordered aromatic heterocyclic polymer having repeating units of the formula --(--Q--Ar--)-- wherein Q is ##STR1## wherein X is --O--, --NH-- or --S--, and wherein Ar is ##STR2##
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