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US 12,269,948 B2Granted
Polyimide precursor solution and method for producing porous polyimide film
AssigneeFUJIFILM Business Innovation Corp.
InventorsMieko Seki, Hidekazu Hirose
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Abstract
A polyimide precursor solution contains a polyimide precursor, resin particles having a core and a coating resin layer, the coating resin layer contains a melamine resin, and a solvent.
Claims12
A polyimide precursor solution comprising:
- a polyimide precursor;
- resin particles having a core and a coating resin layer, the coating resin layer containing a melamine resin;
- and
- a solvent, wherein the solvent contains water, and a content of the water is 70% by mass or more with respect to the solvent.
1 more element
Dependencies are inferred from the claim text.