| 发明名称 |
Process for the production of polyarylene (sulphides) having an increased thermal and chemical resistance and an improved color quality |
| 摘要 |
The invention relates to a process for the preparation of polyarylene sulphides in alkylated polyureas at a temperature of 250 DEG to 290 DEG C. under a pressure from 4 to 50 bars.
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| 申请公布号 |
US4451644(A) |
申请公布日期 |
1984.05.29 |
| 申请号 |
US19830465010 |
申请日期 |
1983.02.08 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
OSTLINNING, EDGAR;IDEL, KARSTEN;NEUNER, OTTO;BOTTENBRUCH, LUDWIG |
| 分类号 |
C08G75/02;C08G75/06;(IPC1-7):C08G75/14 |
主分类号 |
C08G75/02 |
| 代理机构 |
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| 主权项 |
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