Solid polymer electrolyte and use thereof
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United States of America Patent
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Apr 12, 2005
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N/A
app pub date -
Oct 13, 1999
filing date -
Oct 13, 1998
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Abstract
A polyether copolymer having a weight-average molecular weight of 10.sup.4 to 10.sup.7, formed from 3 to 30% by mol of a repeating unit derived from propylene oxide, 96 to 69% by mol of a repeating unit derived from ethylene oxide, and 0.01 to 15% by mol of a crosslinkable repeating unit derived from a reactive oxirane compound, gives a provide a crosslinked solid polymer electrolyte which is superior in processability, moldability, mechanical strength, flexibility and heat resistance, and has markedly improved ionic conductivity.
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