发明授权
US5990255A High molecular weight polysytrene production by vinyl acid catalyzed
free radical polymerization
失效
通过乙烯基酸催化的自由基聚合生产高分子量多聚苯乙烯
- 专利标题： High molecular weight polysytrene production by vinyl acid catalyzed free radical polymerization
- 专利标题（中）： 通过乙烯基酸催化的自由基聚合生产高分子量多聚苯乙烯
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申请号： US606182申请日： 1996-02-23
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公开(公告)号： US5990255A公开(公告)日： 1999-11-23
- 发明人: Duane B. Priddy , Virginia A. Dais
- 申请人： Duane B. Priddy , Virginia A. Dais
- 申请人地址： MI Midland
- 专利权人： The Dow Chemical Company
- 当前专利权人： The Dow Chemical Company
- 当前专利权人地址： MI Midland
- 主分类号： C08F2/02
- IPC分类号： C08F2/02 ; C08F2/38 ; C08F12/04 ; C08F12/08 ; C08F220/38 ; C08F230/02
摘要：
The present invention is a free radical bulk polymerization process for the preparation of high molecular weight polymers from vinyl aromatic monomers, characterized in that the polymerization is conducted in the presence of a vinyl acid containing either a sulfur or phosphorus atom within the acid functional group.
公开/授权文献
- US5110687A Composite member and method for making the same 公开/授权日：1992-05-05
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