Title:
CURING AGENT, CURING AGENT COMPOSITION AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/077910
Kind Code:
A1
Abstract:
The present invention provides a preparation method for a curing agent composition, comprising the following steps: providing a first component and a second component; and mixing the first component and the second component, heating the mixture, and stirring same to start a reaction so as to prepare the curing agent composition, wherein the first component is a basic amine curing agent; the second component is an anhydride curing agent; the anhydride curing agent is selected from one of a 3,3',4,4'-benzophenonetetracarboxylic dianhydride curing agent, a trimellitic anhydride curing agent, and a pyromellitic dianhydride curing agent. The preparation method for the curing agent composition provided by the present invention is simple and easy to operate, the obtained curing agent composition is used to cure an epoxy resin at normal temperature, and the obtained curing agent is relatively highly temperature resistant.
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Inventors:
LUO WANXIN (CN)
JI MINGLEI (CN)
CHEN CUIPING (CN)
JI MINGLEI (CN)
CHEN CUIPING (CN)
Application Number:
PCT/CN2022/113416
Publication Date:
May 11, 2023
Filing Date:
August 18, 2022
Export Citation:
Assignee:
DAWN TIANHE MATERIALS TECH SHANGHAI CO LTD (CN)
International Classes:
C08G59/50; C07D209/48; C07D405/06; C07D487/04; C07D491/048; C08G59/42; C08G59/44
Domestic Patent References:
| WO2021117686A1 | 2021-06-17 | |||
| WO1998010009A1 | 1998-03-12 |
Foreign References:
| CN114213629A | 2022-03-22 | |||
| CN109503813A | 2019-03-22 | |||
| CN101565504A | 2009-10-28 | |||
| CN109851999A | 2019-06-07 | |||
| CN102559014A | 2012-07-11 | |||
| CN105131287A | 2015-12-09 | |||
| JPH10219225A | 1998-08-18 |
Attorney, Agent or Firm:
SHANGHAI IFUTURE INTELLECTUAL PROPERTY LAW FIRM (CN)
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