发明授权
- 专利标题: Process for the preparation of polyarylene sulphides
- 专利标题(中): 聚亚芳基硫醚的制备方法
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申请号: US171304申请日: 1980-07-23
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公开(公告)号: US4303781A公开(公告)日: 1981-12-01
- 发明人: Karsten Idel , Josef Merten
- 申请人: Karsten Idel , Josef Merten
- 申请人地址: DEX
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX2930710 19790728
- 主分类号: C08G75/02
- IPC分类号: C08G75/02 ; C08G75/06 ; C08G75/14
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.
公开/授权文献
- US6037162A DNA segments encoding a domain of HO-endonuclease 公开/授权日:2000-03-14
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