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US 2020/0399435 A1Published application
Graphite sheet polyimide film comprising graphene-containing spherical pi-based filler, manufacturing method therefor, and graphite sheet manufactured using same
AssigneePI Advanced Materials Co., Ltd.
InventorsKyung Su KIM, Jeong Yeul CHOI, Dong Young WON
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Abstract
The present invention provides a graphite sheet polyimide film derived from a first precursor composition comprising a first polyamic acid, the polyimide film comprising a sublimable inorganic filler and a graphene-containing spherical polyimide-based filler.
Claims22
A polyimide film for graphite sheets derived from a precursor composition comprising a first polyamic acid, the polyimide film comprising:
- sublimable inorganic fillers;
- and
- graphene-containing spherical polyimide fillers.
Dependencies are inferred from the claim text.