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Polyarylether composition and membrane

United States Patent

November 9, 2010
View the Complete Patent at the US Patent & Trademark Office
A composition including a polyarylether copolymer is provided. The copolymer includes a polyarylether backbone; and a sulfonated oligomeric group bonded to the polyarylether suitable for use as a cation conducting membrane. Method of bonding a sulfonated oligomeric group to the polyarylether backbone to form a polyarylether copolymer. The membrane may be formed from the polyarylether copolymer composition. The chain length of the sulfonated oligomeric group may be controlled to affect or control the ion conductivity of the membrane.
Hung; Joyce (Auburn, AL), Brunelle; Daniel Joseph (Burnt Hills, NY), Harmon; Marianne Elisabeth (Redondo Beach, CA), Moore; David Roger (Albany, NY), Stone; Joshua James (Worcester, NY), Zhou; Hongyi (Niskayuna, NY), Suriano; Joseph Anthony (Clifton Park, NY)
General Electric Company (Niskayuna, NY)
12/ 183,488
July 31, 2008
STATEMENT OF FEDERALLY FUNDED RESEARCH This invention was made with Government support under contract number DE-FG36-06GO16034 awarded by the Department of Energy. The Government has certain rights in the invention.