发明授权
US06407200B1 Method of preparing a poly(arylene ether), and a poly(arylene ether) prepared thereby
有权
制备聚（亚芳基醚）的方法和由其制备的聚（亚芳基醚）
- 专利标题： Method of preparing a poly(arylene ether), and a poly(arylene ether) prepared thereby
- 专利标题（中）： 制备聚（亚芳基醚）的方法和由其制备的聚（亚芳基醚）
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申请号： US09681895申请日： 2001-06-21
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公开(公告)号： US06407200B1公开(公告)日： 2002-06-18
- 发明人: Probjot Singh , Hugo Gerard Eduard Ingelbrecht , David Parrillo , Mukund Parthasarathy
- 申请人： Probjot Singh , Hugo Gerard Eduard Ingelbrecht , David Parrillo , Mukund Parthasarathy
- 主分类号： C08G6538
- IPC分类号： C08G6538
摘要：
A method of preparing a poly(arylene ether) includes oxidatively polymerizing a monohydric phenol in solution, concentrating the solution by removing a portion of the solvent to form a concentrated solution having a cloud point, Tcloud, and combining the concentrated solution with an anti-solvent to precipitate the poly (arylene ether), wherein the concentrated solution has a temperature of at least about (Tcloud−10° C.) immediately before it is combined with the anti-solvent. The method reduces the formation of undesirably fine particles in the product poly(arylene ether).
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