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Stabilization of polyaniline solutions through additives

United States Patent

5,583,169
December 10, 1996
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A stabilized non-conductive polyaniline solution comprising from about 1 to bout 10 percent by weight polyaniline or a polyaniline derivative, from about 90 to about 99 percent by weight N-methylpyrrolidone, and from about 0.5 percent by weight to about 15 percent by weight of a solution stabilizing additive selected from the group consisting of hindered amine light stabilizers, polymeric amines, and dialkylamines, percent by weight of additive based on the total weight of polyaniline or polyaniline derivative is provided together with a method for stabilizing a polyaniline solution.
Wrobleski; Debra A. (Los Alamos, NM), Benicewicz; Brian C. (Los Alamos, NM)
The Regents of the University of California Office of Technology Transfer (Alameda, CA)
08/ 401,532
March 10, 1995
FIELD OF THE INVENTION The present invention relates to stabilized solutions of polyaniline and derivatives of polyaniline. This invention is the result of a contract with the Department of Energy (Contract No. W-7405-ENG-36).