发明授权
US08304564B2 Process for the removing poly(propylene oxide) from propylene oxide by membrane separation
有权
通过膜分离从环氧丙烷除去聚（环氧丙烷）的方法
- 专利标题： Process for the removing poly(propylene oxide) from propylene oxide by membrane separation
- 专利标题（中）： 通过膜分离从环氧丙烷除去聚（环氧丙烷）的方法
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申请号： US12519992申请日： 2007-12-18
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公开(公告)号： US08304564B2公开(公告)日： 2012-11-06
- 发明人: Johannes Gerhardus Joseph Beckers , Johannes Leendert Willem Cornelis Den Boestert , Nigel Wagstaff
- 申请人： Johannes Gerhardus Joseph Beckers , Johannes Leendert Willem Cornelis Den Boestert , Nigel Wagstaff
- 申请人地址： US 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： US TX Houston
- 优先权： EP06126675 20061220
- 国际申请： PCT/EP2007/064113 WO 20071218
- 国际公布： WO2008/074791 WO 20080626
- 主分类号： C07D301/32
- IPC分类号： C07D301/32 ; C08K5/00
摘要：
The invention relates to a process for removing poly(propylene oxide) from propylene oxide by membrane separation, wherein a membrane having an average pore size of from 0 to 5 nm is used. In said process, a liquid feed comprising propylene oxide and poly(propylene oxide) may be separated by the membrane into a permeate comprising propylene oxide and either no poly(propylene oxide) or poly(propylene oxide) at a concentration which is lower than the poly(propylene oxide) concentration in the feed, and a retentate comprising propylene oxide and poly(propylene oxide) at a concentration which is higher than the poly(propylene oxide) concentration in the feed.
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