Title:
POLYAMIC ACID COMPOSITION WITH IMPROVED ADHESIVE STRENGTH AND POLYIMIDE FILM COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2017/111299
Kind Code:
A1
Abstract:
The present invention provides: a polyamic acid composition comprising a compound having a particular chemical structure as a diamine component; and a polyimide prepared from the composition. The polyamic acid composition according to the present invention provides excellent optical characteristics, high adhesive strength characteristics with a glass substrate, and high thermal characteristics, and therefore the polyimide film using the same can be applied as a material for a flexible display.
More Like This:
Inventors:
OH HYUN SEOK (KR)
KIM DONG YOUN (KR)
KIM SUN YOUNG (KR)
AHN KYUNG IL (KR)
KIM DONG YOUN (KR)
KIM SUN YOUNG (KR)
AHN KYUNG IL (KR)
Application Number:
PCT/KR2016/012828
Publication Date:
June 29, 2017
Filing Date:
November 09, 2016
Export Citation:
Assignee:
DOOSAN CORP (KR)
International Classes:
C08G73/10; C08J5/18; C08L79/08; G09F9/30
Domestic Patent References:
WO2015152178A1 | 2015-10-08 | |||
WO2016121691A1 | 2016-08-04 |
Foreign References:
JP2003073345A | 2003-03-12 | |||
KR20140144528A | 2014-12-19 | |||
JP2003294967A | 2003-10-15 |
Attorney, Agent or Firm:
HANBEOT PATENT & LAW FIRM (KR)
Download PDF: