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Patent Searching and Data


Title:
POLYAMIC ACID ESTER POLYMER, INSULATING FILM FORMED THEREFROM, AND INSULATING FILM FORMING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/143042
Kind Code:
A1
Abstract:
Embodiments of the present invention provide polyamic acid ester polymer comprising a structural unit represented by chemical formula (1). Provided are an insulating film which is formed from polyamic acid ester polymer and has enhanced degree of curing and durability, and a method for preparing same.

Inventors:
CHOI HAN YOUNG (KR)
KIM BYOUNG MOOK (KR)
KUM JOONG HAN (KR)
Application Number:
KR2018/016777
Publication Date:
July 25, 2019
Filing Date:
December 27, 2018
Export Citation:
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Assignee:
DONGWOO FINE CHEM CO LTD (KR)
International Classes:
C08G73/16; C08G73/10; C09D179/08; G02F1/1333; H01L23/29
Foreign References:
US3326851A1967-06-20
JP2016200643A2016-12-01
JP2006160910A2006-06-22
KR101652922B12016-08-31
Other References:
HUANG, W.: "Synthesis and Imidization of Biphenylic Dianhydride- Oxydianiline-Based Isomeric Poly(amic methyl ester)s", JOURNAL OF POLYMER SCIENCE : PART A: POLYMER CHEMISTRY, vol. 37, 1999, pages 1907 - 1911, XP000829800
Attorney, Agent or Firm:
DOOHO IP LAW FIRM (KR)
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