发明申请
US20140113842A1 BETAINE SURFACTANTS AND PREPARATION METHODS AND USES THEREOF
有权
BETAINE表面活性剂及其制备方法及其用途
- 专利标题： BETAINE SURFACTANTS AND PREPARATION METHODS AND USES THEREOF
- 专利标题（中）： BETAINE表面活性剂及其制备方法及其用途
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申请号： US13985735申请日： 2011-03-11
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公开(公告)号： US20140113842A1公开(公告)日： 2014-04-24
- 发明人: Chunde Liu , Shiyi Yuan , Demin Wang , Xinmin Song
- 申请人： Chunde Liu , Shiyi Yuan , Demin Wang , Xinmin Song
- 申请人地址： CN Beijing
- 专利权人： PetroChina Company Limited
- 当前专利权人： PetroChina Company Limited
- 当前专利权人地址： CN Beijing
- 国际申请： PCT/CN2011/000389 WO 20110311
- 主分类号： C09K8/584
- IPC分类号： C09K8/584
摘要：
Betaine surfactants of formula (I) and preparation methods and uses thereof are provided. The surfactant can decrease the interfacial surface tension of crude oil till 10−3 mN/m, have the capabilities of antiheating (130° C.), antimineralizing and antidiluting, and can be used in the field of tertiary oil recovery.
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