Title:
CATALYST FOR SYNTHESIZING POLYIMIDE AND PREPARATION METHOD THEREFOR, AND POLYIMIDE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2023/241223
Kind Code:
A1
Abstract:
Provided are a catalyst for synthesizing polyimide and a preparation method therefor, and a polyimide compound. The structural formula of the catalyst is represented by formula (1): in formula (1), R3 is selected from O or NH; R4 is selected from O or NH; Ar2 is a substituted aryl group, and the substituent of the substituted aryl group comprises a carboxyl group; R5 is selected from a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, a cyano group, a nitro group, an ester group, an alkyl group, an alkoxy group or a haloalkyl group; and n is an integer ranging from 1 to 4.
Inventors:
HE JUNPENG (CN)
LUO DEGUI (CN)
YAO CHENG (CN)
DUAN PINGPING (CN)
LUO DEGUI (CN)
YAO CHENG (CN)
DUAN PINGPING (CN)
Application Number:
PCT/CN2023/090344
Publication Date:
December 21, 2023
Filing Date:
April 24, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
C08G73/00; B01J27/14; C07D317/00
Foreign References:
| CN101400721A | 2009-04-01 | |||
| CN114479080A | 2022-05-13 | |||
| CN101980604A | 2011-02-23 | |||
| CN104520351A | 2015-04-15 | |||
| JP2021101002A | 2021-07-08 | |||
| US20060135732A1 | 2006-06-22 |
Attorney, Agent or Firm:
SHENZHEN HUISHI PATENT AGENT CO., LTD. (CN)
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