Title:
POLYIMIDE FILM AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/085758
Kind Code:
A1
Abstract:
The present invention relates to a polyimide film and a manufacturing method therefor, the polyimide film having a tensile strength of 370MPa or higher, an elasticity modulus of 6.3GPa or higher, a chemical resistance of 80% or higher, and a glass transition temperature of 365℃ or higher, and being manufactured through imidization of a polyamic acid solution comprising a diacid anhydride component and a diamine component.
Inventors:
JEON JIN-SEOK (KR)
YEO MOON-JIN (KR)
LEE KIL-NAM (KR)
YEO MOON-JIN (KR)
LEE KIL-NAM (KR)
Application Number:
PCT/KR2022/017528
Publication Date:
May 19, 2023
Filing Date:
November 09, 2022
Export Citation:
Assignee:
PI ADVANCED MAT CO LTD (KR)
International Classes:
C08J5/18; B32B15/08; B32B27/28; C08G73/10
Foreign References:
| US20090306329A1 | 2009-12-10 | |||
| KR20170076127A | 2017-07-04 | |||
| KR20210037331A | 2021-04-06 | |||
| KR101906393B1 | 2018-10-11 |
Other References:
"Advanced Polyimide Materials: Synthesis, Characterization and Applications", 25 April 2018, ELSEVIER, NL, ISBN: 978-0-12-812640-0, article SHI-YONG YANG, LI-LI YUAN: "Chapter 1 - Advanced Polyimide Films", pages: 1 - 66, XP009546213, DOI: 10.1016/B978-0-12-812640-0.00001-9
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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