Title:
POLYAMIC ACID COMPOSITION AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2023/075411
Kind Code:
A1
Abstract:
The present invention relates to a polyamic acid composition and a method for preparing same. Polyimide using a polyamic acid composition according to the present invention has excellent dielectric breakdown voltage performance and corona discharge initiation voltage while maintaining heat resistance and mechanical strength, and a polyimide coating prepared using the polyamic acid composition according to the present invention has excellent voltage endurance characteristics.
Inventors:
RO GYEONG HYEON (KR)
MOON GYEONG MIN (KR)
LEE IK SANG (KR)
MOON GYEONG MIN (KR)
LEE IK SANG (KR)
Application Number:
PCT/KR2022/016475
Publication Date:
May 04, 2023
Filing Date:
October 26, 2022
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08K9/06; C08G73/10; C08K3/36; C08K5/5415; C08L79/08
Foreign References:
| KR20200025674A | 2020-03-10 | |||
| KR20210067644A | 2021-06-08 | |||
| KR20110066902A | 2011-06-17 | |||
| KR20150123643A | 2015-11-04 | |||
| KR20120112389A | 2012-10-11 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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