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Patent Searching and Data


Title:
POLYAMIDE-IMIDE RESIN FILM
Document Type and Number:
WIPO Patent Application WO/2019/139257
Kind Code:
A1
Abstract:
The present invention relates to a polyamide-imide resin film having a low birefringence, comprising a polyamide-imide block copolymer comprising: an amide repeating unit in which an isophthaloyl group and an aromatic diamine residue are coupled to each other; an imide repeating unit; and a trivalent functional group containing an aromatic tricarbonyl group.

Inventors:
KIM, Byungguk (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
EOM, Youngsik (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
KIM, Sanggon (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
YU, Yunah (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
CHOI, Hyungsam (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2018/015463
Publication Date:
July 18, 2019
Filing Date:
December 07, 2018
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
C08J5/18; C08G69/12; C08G73/10; C08G73/14
Foreign References:
KR20180001249A2018-01-04
KR20130029129A2013-03-22
KR20160059097A2016-05-26
KR20170136319A2017-12-11
KR20150113472A2015-10-08
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (115 Teheran-ro, Gangnam-gu, Seoul, 06134, KR)
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