Title:
POLYAMIDE-IMIDE, METHOD FOR PREPARING SAME, AND POLYAMIDE-IMIDE FILM USING SAME
Document Type and Number:
WIPO Patent Application WO/2017/204462
Kind Code:
A1
Abstract:
The present invention provides polyamide-imide, a method for preparing same, and a polyamide-imide film using same. The polyamide-imide film exhibits excellent transparency, heat resistance, mechanical strength and flexibility, and thus may be used in various fields such as substrates for devices, cover substrates for displays, optical films, integrated circuit (IC) packages, adhesive films, multilayer flexible printed circuits (FRCs), tapes, touch panels and protective films for optical discs.
Inventors:
YUN CHEOLMIN (KR)
SUH JUN SIK (KR)
KIM KYUNGJUN (KR)
SUH JUN SIK (KR)
KIM KYUNGJUN (KR)
Application Number:
PCT/KR2017/003943
Publication Date:
November 30, 2017
Filing Date:
April 12, 2017
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08G73/14; C08G73/10; C08J5/18; C08L79/08
Domestic Patent References:
| WO2013048126A1 | 2013-04-04 |
Foreign References:
| KR20080013076A | 2008-02-13 | |||
| JPH05230236A | 1993-09-07 | |||
| JP2007146101A | 2007-06-14 | |||
| JP2005325329A | 2005-11-24 |
Other References:
See also references of EP 3363845A4
Attorney, Agent or Firm:
KIM, Aera (KR)
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