Title:
POLYIMIDE MATERIAL, PREPARATION METHOD AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/056790
Kind Code:
A1
Abstract:
A polyimide material, which employs the molecular structural design of a target polyimide material compound by means of introducing 2,4-trifluoromethyl dianhydride that has a benzene ring and fluorine-containing p-phenylenediamine in combination with the simplest structure of p-phenylenediamine, such that the designed target polyimide material has lower CTE value performance parameters.
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Inventors:
WANG YAMIN (CN)
Application Number:
PCT/CN2019/120216
Publication Date:
April 01, 2021
Filing Date:
November 22, 2019
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
C08J5/18; C08G73/10; C08L79/08; H01L51/52
Foreign References:
| CN109476913A | 2019-03-15 | |||
| CN109942815A | 2019-06-28 | |||
| CN110212090A | 2019-09-06 | |||
| US20150205167A1 | 2015-07-23 | |||
| US20150268514A1 | 2015-09-24 | |||
| JP2007256822A | 2007-10-04 |
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD (CN)
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