Multi-component composite film method for preparing the same
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United States of America Patent
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Dec 30, 2008
Grant Date -
Dec 12, 2002
app pub date -
Aug 11, 2001
filing date -
Aug 12, 2000
priority date (Note) -
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Abstract
The present invention provides a multi-component composite film comprising a) polymer support layer; and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.
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