Title:
POLYIMIDE FILM FOR GRAPHITE SHEET, AND GRAPHITE SHEET PREPARED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2023/090838
Kind Code:
A1
Abstract:
The present invention provides a polyimide film and a graphite sheet prepared therefrom, wherein the polyimide film is obtained by an imidization reaction of a polyamic acid comprising: quinoline and β-picoline as imidization catalysts; and acetic anhydride as a dehydrating agent.
Inventors:
JUNG HYEONG-SEOP (KR)
WON DONG-YOUNG (KR)
WON DONG-YOUNG (KR)
Application Number:
PCT/KR2022/018054
Publication Date:
May 25, 2023
Filing Date:
November 16, 2022
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08J5/18; C01B32/205; C08G73/10; C08L79/08
Foreign References:
| KR20210001738A | 2021-01-06 | |||
| KR102222571B1 | 2021-03-05 | |||
| KR20200066144A | 2020-06-09 | |||
| JPH06207014A | 1994-07-26 | |||
| KR20060096413A | 2006-09-11 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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