发明授权
- 专利标题: Process for brominating butadieneninyl aromatic copolymers
- 专利标题(中): 溴化丁二烯/乙烯基芳族共聚物的方法
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申请号: US12375679申请日: 2007-08-14
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公开(公告)号: US08202945B2公开(公告)日: 2012-06-19
- 发明人: Bruce A. King , David B. Gorman , John W. Hull, Jr. , Daniel J. Murray , Terry L. Gehrman
- 申请人: Bruce A. King , David B. Gorman , John W. Hull, Jr. , Daniel J. Murray , Terry L. Gehrman
- 申请人地址: US MI Midland
- 专利权人: Dow Global Technologies LLC
- 当前专利权人: Dow Global Technologies LLC
- 当前专利权人地址: US MI Midland
- 代理机构: Gary C Cohn PLLC
- 国际申请: PCT/US2007/018110 WO 20070814
- 国际公布: WO2008/021417 WO 20080221
- 主分类号: C08F36/00
- IPC分类号: C08F36/00 ; C08F32/00 ; C08F212/08 ; C08F8/30 ; C08C19/14 ; C08L9/00 ; C08L53/00 ; B22C1/22
摘要:
Butadiene copolymers are brominated using certain quaternary ammonium tribromides as the brominating agent. The bromination process proceeds easily under mild conditions, and produces a brominated product that has excellent thermal stability.
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