发明授权
- 专利标题: Process for the isolation and purification of polyarylene sulphides
- 专利标题(中): 多氯联苯的分离和纯化方法
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申请号: US825372申请日: 1992-01-24
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公开(公告)号: US5175249A公开(公告)日: 1992-12-29
- 发明人: Thomas Fischer , Wolfgang Arlt , Manfred Schmidt
- 申请人: Thomas Fischer , Wolfgang Arlt , Manfred Schmidt
- 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: DEX4103345 19910205
- 主分类号: C08G75/0281
- IPC分类号: C08G75/0281 ; C08G75/06
摘要:
This invention relates to a process for the isolation and purification of polyarylene sulphides, preferably polyphenylene sulphides, from their reaction mixture. The process requires no organic solvents for the purification (washing) of the polymer.