C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/24
C08J 9/28 (2006.01) B01D 67/00 (2006.01) B01D 71/52 (2006.01) C08J 3/09 (2006.01) C08J 5/18 (2006.01) D01D 5/24 (2006.01) D01F 6/66 (2006.01)
Patent
CA 2009836
ABSTRACT A process is described for making useful porous articles from poly(etheretherketone)-type (PEEK) polymers. High boiling point polar organic solvents are solvents for poly(etheretherketone)-type polymers (PEEK). Solutions of PEEK may be used to form PEEK articles such as microporous membranes of films and fibers, including microporous hollow fibers. The microporous PEEK is useful as microfiltration or ultrafiltration membranes. PEEK aricles, including microporous sheet membranes and microporous hollow membrane fibers are disclosed. 35,584A-F
Beck Henry N.
Chau Chieh-Chun
Lundgard Richard A.
Mahoney Robert D.
Wessling Ritchie A.
Smart & Biggar
The Dow Chemical Company
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