| 发明名称 |
Process for the preparation of polyarylene sulphides |
| 摘要 |
Process for preparing polyarylensulfides by reacting dihalogenobenzenes, optionally substituted with polyhalogenoaromatic compounds with 3 or 4 halogeno substituents, and alkali metal sulfide in polar solvents using alkali metal sulfites and/or alkaline earth metal sulfites as catalysts.
|
| 申请公布号 |
US4424339(A) |
申请公布日期 |
1984.01.03 |
| 申请号 |
US19820417048 |
申请日期 |
1982.09.13 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
IDEL, KARSTEN;OSTLINNING, EDGAR;FREITAG, DIETER;BOTTENBRUCH, LUDWIG |
| 分类号 |
C08G75/02;(IPC1-7):C08G75/14 |
主分类号 |
C08G75/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
