发明授权
- 专利标题: Process for the preparation of polyarylene sulphides
- 专利标题(中): 聚亚芳基硫醚的制备方法
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申请号: US832886申请日: 1992-02-10
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公开(公告)号: US5306805A公开(公告)日: 1994-04-26
- 发明人: Wolfgang Arlt , Wolfgang Alewelt , Karl-Heinrich Meyer , Manfred Schmidt , Erhard Tresper , Wolfgang Eisermann
- 申请人: Wolfgang Arlt , Wolfgang Alewelt , Karl-Heinrich Meyer , Manfred Schmidt , Erhard Tresper , Wolfgang Eisermann
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer AG
- 当前专利权人: Bayer AG
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4105748 19910223
- 主分类号: C08G75/025
- IPC分类号: C08G75/025 ; C08G75/06 ; C08G75/14
摘要:
This invention relates to a simplified process for the preparation of polyarylene sulphides with improved product quality from alkali metal sulphides and dihalogenated aromatic compounds, in which the alkali metal sulphides are prepared and reacted in situ.
公开/授权文献
- US5827804A Borate cross-linked well treating fluids and methods 公开/授权日:1998-10-27
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