发明名称 |
Process for the oxidation of polyarlene compounds containing thioether groups |
摘要 |
The process for the preparation of polyarylene sulfones by oxidation of polyarylene sulfides with an oxidizing agent in the presence of a liquid is carried out under reduced pressure so that the liquid boils. The reaction temperature can easily be kept constant in the process.
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申请公布号 |
US5891988(A) |
申请公布日期 |
1999.04.06 |
申请号 |
US19970929211 |
申请日期 |
1997.09.09 |
申请人 |
TICONA GMBH |
发明人 |
SCHECKENBACH, HELMUT;DELPY, KLAUS;DISCH, STEFAN |
分类号 |
C08G75/02;C08G75/20;(IPC1-7):C08G75/00 |
主分类号 |
C08G75/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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