发明授权
- 专利标题： Group Transfer Polymerization process employing supported initiators
- 专利标题（中）： 使用支持的引发剂的组转移聚合方法
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申请号： US418007申请日： 1989-10-06
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公开(公告)号： US4940760A公开(公告)日： 1990-07-10
- 发明人: Fritz P. Boettcher , Ira B. Dicker , Richard C. Ebersole , Walter R. Hertler
- 申请人： Fritz P. Boettcher , Ira B. Dicker , Richard C. Ebersole , Walter R. Hertler
- 申请人地址： DE Wilmington
- 专利权人： E. I. du Pont de Nemours and Company
- 当前专利权人： E. I. du Pont de Nemours and Company
- 当前专利权人地址： DE Wilmington
- 主分类号： C08F4/16
- IPC分类号： C08F4/16 ; C08F4/42 ; C12N15/10 ; C12Q1/68
摘要：
Group Transfer Polymerization (GTP) process for preparing a "living" polymer, the process comprising contacting under polymerizing conditions in a polymerization medium, at least one acrylic or maleimide monomer with an initiator which is a tetracoordinate organosilicon, organotin or organogermanium compound having at least one GTP initiating site and a catalyst which is or is a source of an anion selected from the group consisting of bifluoride, fluoride, cyanide, azide or a selected oxyanion, or a selected Lewis acid or Lewis base, the process further characterized in that the initiator or the anion or Lewis acid catalyst is chemically attached (grafted) to a solid support that is insoluble in the polymerization medium.
公开/授权文献
- US4423604A Adjustable spacer for contact plate freezer 公开/授权日：1984-01-03
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