发明授权
- 专利标题: Graft copolymerization process
- 专利标题(中): 接枝共聚方法
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申请号: US651573申请日: 1976-01-22
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公开(公告)号: US4107238A公开(公告)日: 1978-08-15
- 发明人: Robert Roper , Arthur W. Langer, Jr.
- 申请人: Robert Roper , Arthur W. Langer, Jr.
- 申请人地址: NJ Linden
- 专利权人: Exxon Research & Engineering Co.
- 当前专利权人: Exxon Research & Engineering Co.
- 当前专利权人地址: NJ Linden
- 主分类号: C08F255/10
- IPC分类号: C08F255/10 ; C08F279/02
摘要:
Novel graft copolymers of isobutylene-conjugated diene copolymeric backbones are prepared employing polymer lithiation wherein the polymeric lithiated complex is treated with an ether compound prior to a graft copolymerization reaction with styrene monomer whereby improved grafting efficiencies are obtained.
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