发明授权
- 专利标题: Method of purifying a dispersion of ionic fluoropolymer
- 专利标题(中): 纯化离子含氟聚合物分散体的方法
-
申请号: US10894090申请日: 2004-07-19
-
公开(公告)号: US07304101B2公开(公告)日: 2007-12-04
- 发明人: Klaus Hintzer , Kai H. Lochhaas , Tanja Zeif , Steven J. Hamrock , Harold T. Freemyer
- 申请人: Klaus Hintzer , Kai H. Lochhaas , Tanja Zeif , Steven J. Hamrock , Harold T. Freemyer
- 申请人地址: US MN St. Paul
- 专利权人: 3M Innovative Properties Company
- 当前专利权人: 3M Innovative Properties Company
- 当前专利权人地址: US MN St. Paul
- 代理商 Bradford B. Wright
- 主分类号: C08L1/00
- IPC分类号: C08L1/00
摘要:
Anionic species are removed from aqueous dispersions of ionic fluoropolymers using anion exchange resins. In some embodiments, cationic species are also removed using cation exchange resins.
公开/授权文献
- US20060014886A1 Method of purifying a dispersion of ionic fluoropolymer 公开/授权日:2006-01-19
信息查询