发明名称 |
Process for the preparation of polyarylene sulphides |
摘要 |
Preparation of a polyarylene sulphide by polycondensing a substituted p-dihalogenobenzene and optionally a polyhalogeno aromatic compound having at least three halo substituents with an alkali metal sulphide in a polar solvent in the presence of a catalytic amount of a tri-alkali metal phosphate.
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申请公布号 |
US4303781(A) |
申请公布日期 |
1981.12.01 |
申请号 |
US19800171304 |
申请日期 |
1980.07.23 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
IDEL, KARSTEN;MERTEN, JOSEF |
分类号 |
C08G75/02;C08G75/06;C08G75/14;(IPC1-7):C08G75/14 |
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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