Title:
POLYAMIC ACID COMPOSITION, AND POLYIMIDE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/107968
Kind Code:
A1
Abstract:
The present application relates to a polyamic acid composition and a polyimide comprising same, and provides a polyamic acid composition which has a high concentration of polyamic acid solids and a low viscosity and, after hardening, has superior electrical properties as well as superior heat resistance, dimensional stability, and mechanical properties, and a polyimide and a polyimide film produced therefrom.
Inventors:
HWANG IN HWAN (KR)
LEE IK SANG (KR)
LEE IK SANG (KR)
Application Number:
PCT/KR2020/017164
Publication Date:
May 27, 2022
Filing Date:
November 27, 2020
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08G73/10
Foreign References:
JP2002511902A | 2002-04-16 | |||
KR20200093618A | 2020-08-05 | |||
KR20200074538A | 2020-06-25 | |||
KR20200030268A | 2020-03-20 | |||
CN105733610A | 2016-07-06 | |||
JP2017149796A | 2017-08-31 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
Download PDF:
Previous Patent: POLYAMIC ACID COMPOSITION, AND POLYIMIDE COMPRISING SAME
Next Patent: POLYAMIC ACID COMPOSITION, AND POLYIMIDE COMPRISING SAME
Next Patent: POLYAMIC ACID COMPOSITION, AND POLYIMIDE COMPRISING SAME