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Title:
BLACK POLYIMIDE FILM AND THE MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/076094
Kind Code:
A1
Abstract:
The present invention provides a black polyimide film manufactured by imidizing a polyamic acid obtained from dianhydride monomers and diamine monomers, the black polyimide film comprising: a black pigment containing bituminous coal and perylene black.

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Inventors:
YEO MOON JIN (KR)
JEON JIN SEOK (KR)
CHAE YUN SEOK (KR)
WON DONG YOUNG (KR)
Application Number:
PCT/KR2023/014923
Publication Date:
April 11, 2024
Filing Date:
September 26, 2023
Export Citation:
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Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08J5/18; C08G73/10; C08K5/00; C08L79/08
Domestic Patent References:
WO2019088454A12019-05-09
Foreign References:
JP2014074133A2014-04-24
US20140220335A12014-08-07
CN105385159A2016-03-09
US20150072158A12015-03-12
Attorney, Agent or Firm:
KIM, Kyeongkyo et al. (KR)
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