发明申请
US20150157990A1 COMPOSITE POLYAMIDE MEMBRANE WITH CARBOXYLIC ACID FUNCTIONALITY
审中-公开
具有羧酸官能度的复合聚酰胺膜
- 专利标题： COMPOSITE POLYAMIDE MEMBRANE WITH CARBOXYLIC ACID FUNCTIONALITY
- 专利标题（中）： 具有羧酸官能度的复合聚酰胺膜
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申请号： US14407362申请日： 2013-07-03
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公开(公告)号： US20150157990A1公开(公告)日： 2015-06-11
- 发明人: Abhishek Roy , Tina L. Arrowood , Anand S. Badami , Robert C. Cieslinski , Bruce B. Gerhart , David D. Hawn , Steven D. Jons , Mou Paul , Martin H. Peery , XiaoHua sam Qiu , Mark A. Rickard , Steven Rosenberg , Ian A. Tomlinson , Cheng Li Zu
- 申请人： DOW GLOBAL TECHNOLOGIES LLC
- 国际申请： PCT/US2013/049182 WO 20130703
- 主分类号： B01D71/56
- IPC分类号： B01D71/56 ; B01D69/12
摘要：
A thin film composite polyamide membrane including a porous support and a thin film polyamide layer which is a reaction product of m-phenylene diamine (mPD) and trimesoyl chloride (TMC), wherein the membrane is characterized by the thin film polyamide layer having a dissociated carboxylic acid content of at least 0.18 moles/kg at pH 9.5, and wherein pyrolysis of the thin film polyamide layer at 650 C results in a ratio of responses from a flame ionization detector for fragments produced at 212 m/z and 237 m/z of less than 2.8.
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