AQUEOUS POLYIMIDE PRECURSOR SOLUTION COMPOSITION AND METHOD FOR PRODUCING AQUEOUS POLYIMIDE PRECURSOR SOLUTION COMPOSITION
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Sep 6, 2012
filing date -
Sep 9, 2011
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Abandoned
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Abstract
An aqueous polyimide precursor solution composition, in which a polyamic acid, which is formed by the reaction of a tetracarboxylic acid component and a diamine component, is dissolved in an aqueous solvent together with an imidazole in an amount of 1.6 mole or more per mole of the tetracarboxylic acid component of the polyamic acid.
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