发明授权
US5166277A Hydrogenation of unsaturation in low molecular weight diene polymers
失效
在低分子量二烯聚合物中氢化不饱和度
- 专利标题: Hydrogenation of unsaturation in low molecular weight diene polymers
- 专利标题(中): 在低分子量二烯聚合物中氢化不饱和度
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申请号: US785715申请日: 1991-10-31
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公开(公告)号: US5166277A公开(公告)日: 1992-11-24
- 发明人: Daniel E. Goodwin , Carl L. Willis
- 申请人: Daniel E. Goodwin , Carl L. Willis
- 申请人地址: TX Houston
- 专利权人: Shell Oil Company
- 当前专利权人: Shell Oil Company
- 当前专利权人地址: TX Houston
- 主分类号: C08C2/04
- IPC分类号: C08C2/04 ; C08C19/02 ; C08F8/04
摘要:
Complete hydrogenation of residual unsaturation in low molecular weight polymers containing conjugated dienes is enhanced by removal of strong lithium bases by filtering or decanting the polymer solution prior to hydrogenation.
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