Title:
SELF-LUBRICATING POLYIMIDE VARNISH AND POLYIMIDE COATING PREPARED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2024/005508
Kind Code:
A1
Abstract:
The present invention provides polyimide varnish comprising: polyamic acid including, as a polymerization unit, at least one dianhydride monomer and at least one diamine monomer; nano silica surface-modified with an organosilane; a silicon-based additive represented by chemical formula 1; and an organic solvent.
Inventors:
RO GYEONG HYEON (KR)
MOON GYEONG MIN (KR)
KIM SE JONG (KR)
LEE IK SANG (KR)
MOON GYEONG MIN (KR)
KIM SE JONG (KR)
LEE IK SANG (KR)
Application Number:
PCT/KR2023/008954
Publication Date:
January 04, 2024
Filing Date:
June 27, 2023
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C09D179/08; C08G73/10; C08K3/36; C08K5/5419; C08K9/06; C08L79/08; C09D7/20; C09D7/40; C09D7/61
Foreign References:
| CN109135554A | 2019-01-04 | |||
| KR101992576B1 | 2019-06-24 | |||
| KR20180033208A | 2018-04-02 | |||
| KR20210092714A | 2021-07-26 | |||
| CN102086303A | 2011-06-08 |
Attorney, Agent or Firm:
KIM, Kyeongkyo et al. (KR)
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