发明授权
- 专利标题: Method for removing volatiles from a block copolymer
- 专利标题(中): 从嵌段共聚物中除去挥发物的方法
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申请号: US10044759申请日: 2002-01-09
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公开(公告)号: US06962960B1公开(公告)日: 2005-11-08
- 发明人: Michel Daumerie , Douglas A. Berti , Jose Sosa , Aron T. Griffith
- 申请人: Michel Daumerie , Douglas A. Berti , Jose Sosa , Aron T. Griffith
- 申请人地址: US TX Houston
- 专利权人: Fina Technology, Inc.
- 当前专利权人: Fina Technology, Inc.
- 当前专利权人地址: US TX Houston
- 代理商 Tenley R. Krueger
- 主分类号: C08F2/06
- IPC分类号: C08F2/06 ; C08F6/00
摘要:
A method and apparatus are disclosed for purifying copolymer compounds having monovinyl aromatic blocks and conjugated diene blocks by reducing the residual monomer content of the finished polymer. The method and apparatus includes a combination of heat exchangers and devolatilizers used in conjunction with a copolymerization reactor system.
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