Title:
POLYAMIC ACID COMPOSITION, METHOD FOR PREPARING SAME, AND POLYIMIDE FILM COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/060613
Kind Code:
A1
Abstract:
The present invention relates to a polyamic acid composition having a high solids concentration and a low viscosity, and having, after curing, superior mechanical properties and heat resistance and durability at high temperature, and to a polyimide including same.
Inventors:
HWANG IN HWAN (KR)
LEE IK SANG (KR)
LEE IK SANG (KR)
Application Number:
PCT/KR2019/015403
Publication Date:
April 01, 2021
Filing Date:
November 13, 2019
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08L79/08; C08G73/10; C08G73/14; C08G73/16; C08J5/18
Foreign References:
US7579134B2 | 2009-08-25 | |||
US20050238896A1 | 2005-10-27 | |||
KR101959807B1 | 2019-03-20 | |||
KR20160125377A | 2016-10-31 | |||
KR20110079810A | 2011-07-08 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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