Title:
POLYIMIDE FILM COMPRISING GRAPHENE NANOPLATELETS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/055131
Kind Code:
A1
Abstract:
The present invention provides a polyimide film that is obtained by imidizing a polyamic acid solution containing a dianhydride component including benzophenonetetracarboxylic dianhydride (BTDA), biphenyltetracarboxylic dianhydride (BPDA) and pyromellitic dianhydride (PMDA), and a diamine component including m-tolidine and paraphenylene diamine (PPD)), and comprises graphene nanoplatelets in an amount of 0.5-2.5% by weight.
Inventors:
JEON JIN-SEOK (KR)
YEO MOON-JIN (KR)
BACK SUNG-YUL (KR)
LEE KIL-NAM (KR)
YEO MOON-JIN (KR)
BACK SUNG-YUL (KR)
LEE KIL-NAM (KR)
Application Number:
PCT/KR2022/014667
Publication Date:
April 06, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08J5/18; B32B7/025; B32B15/08; B32B27/28; C08G73/10; C08K3/04
Foreign References:
| KR20210055234A | 2021-05-17 | |||
| KR20190067600A | 2019-06-17 | |||
| KR20170032910A | 2017-03-24 | |||
| KR20160076879A | 2016-07-01 | |||
| KR102284431B1 | 2021-08-03 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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