发明授权
US4663430A Process for the preparation of high molecular weight polyarylene
sulphide in the absence of water
失效
在不存在水的情况下制备高分子量聚亚芳基硫化物的方法
- 专利标题: Process for the preparation of high molecular weight polyarylene sulphide in the absence of water
- 专利标题(中): 在不存在水的情况下制备高分子量聚亚芳基硫化物的方法
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申请号: US815532申请日: 1986-01-02
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公开(公告)号: US4663430A公开(公告)日: 1987-05-05
- 发明人: Edgar Ostlinning , Karsten Idel
- 申请人: Edgar Ostlinning , Karsten Idel
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3318401 19830520
- 主分类号: C08G75/02
- IPC分类号: C08G75/02 ; C08G75/06 ; C08G75/14
摘要:
This invention relates to a process for the preparation of high molecular weight, optionally branched polyarylene sulphides. These may be prepared from alkali metal sulphides and aromatic halogen compounds in a polar organic solvent in the absence of water.
公开/授权文献
- US4130431A Metal surface treatment liquid and rust preventive paint 公开/授权日:1978-12-19
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