发明公开
EP0247856A2 Preparation of aromatic heterocyclic polymers
失效
Herstellung von aromatischen hybridlischen Polymeren。
- 专利标题: Preparation of aromatic heterocyclic polymers
- 专利标题(中): Herstellung von aromatischen hybridlischen Polymeren。
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申请号: EP87304699.9申请日: 1987-05-27
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公开(公告)号: EP0247856A2公开(公告)日: 1987-12-02
- 发明人: Harris, William J.
- 申请人: THE DOW CHEMICAL COMPANY
- 申请人地址: 2030 Dow Center Abbott Road P.O. Box 1967 Midland Michigan 48640-1967 US
- 专利权人: THE DOW CHEMICAL COMPANY
- 当前专利权人: THE DOW CHEMICAL COMPANY
- 当前专利权人地址: 2030 Dow Center Abbott Road P.O. Box 1967 Midland Michigan 48640-1967 US
- 代理机构: Burford, Anthony Frederick
- 优先权: US868396 19860527
- 主分类号: C08G73/06
- IPC分类号: C08G73/06 ; C08G73/22 ; C08G85/00
摘要:
Heterocyclic aromatic polymers are rapidly formed by contacting one or more appropriate multifunctional aromatic monomers, such as a diaminobenzenediol, a terephthaloyl halide and/or an aminohydroxybenzoic acid, with a sulfonic acid, as the solvent, and a dehydrating agent.
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