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US 2022/0064379 A1Published application
Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film
AssigneeFUJIFILM Business Innovation Corp.
InventorsHajime SUGAHARA, Hidekazu HIROSE, Kosaku YOSHIMURA, Tomoya SASAKI, Yasunobu KASHIMA, Kosuke NAKADA, Tomoyo OKUBO
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Abstract
A particle-dispersed polyimide precursor solution contains: a polyimide precursor consisting of a polymer of a tetracarboxylic dianhydride and a diamine containing a fluorene-based diamine having a fluorene skeleton; particles; and an aqueous solvent containing water.
Claims16
A particle-dispersed polyimide precursor solution, comprising:
- a polyimide precursor consisting of a polymer of a tetracarboxylic dianhydride and a diamine containing a fluorene-based diamine having a fluorene skeleton;
- particles;
- and
- an aqueous solvent containing water.
1 more element
A porous polyimide film comprising:
- a polyimide obtained by imidizing a polyimide precursor consisting of a polymer of a tetracarboxylic dianhydride and a diamine containing a fluorene-based diamine having a fluorene skeleton;
- and
- pores.
Dependencies are inferred from the claim text.