POLYIMIDE PRECURSOR SOLUTION, METHOD FOR PRODUCING POLYIMIDE PRECURSOR SOLUTION, METHOD FOR PRODUCING POLYIMIDE FILM, AND METHOD FOR PRODUCING POROUS POLYIMIDE FILM
A polyimide precursor solution contains a polyimide precursor having a weight average molecular weight of 40,000 or more, and an aqueous solvent containing a tertiary amine compound and water, in which a viscosity of the polyimide precursor solution after a storage at 25°C for 14 days is 50% or more...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
21.09.2022
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Subjects | |
Online Access | Get full text |
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