Solid polymeric electrolyte
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United States of America Patent
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Nov 12, 1991
Grant Date -
N/A
app pub date -
Aug 1, 1990
filing date -
Aug 1, 1989
priority date (Note) -
Expired
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Abstract
A solid polymeric electrolyte is constituted by a solid solution of an ionic compound in an organic matrix of polyether nature, constituted by a mixture consisting of: a high-molecular-weight poly-(ethylene oxide); and the product of polymerization of a vinylether having the formula: R--(O--CH.sub.2 --CH.sub.2).sub.n --O--CH.dbd.CH.sub.2 wherein: R means the methyl or ethyl radical; and n is an integer within the range of from 2 to 6, with said polyvinylether having a number average molecular weight within the range of from about 1,000 to about 10,000 and the weight ratio of said poly(ethylene oxide) to said polyvinylether being within the range of from 10:90 to 90:10.
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