Title:
TWO-PART EPOXY-BASED STRUCTURAL ADHESIVE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/126463
Kind Code:
A1
Abstract:
Provided is a two-part epoxy-based structural adhesive composition, which comprises a first part and a second part. The first part comprises: i) a first aromatic difunctional epoxy resin having an epoxide equivalent weight (EEW) of less than 400 g/eq, ii) a second aromatic difunctional epoxy resin having an epoxide equivalent weight of from 400 g/eq to 3000 g/eq, and iii) a shell-core toughening agent. The second part comprises: I) a non-aromatic polyetheramide amine and II) an alicyclic amine. Moreover, provided is a method for bonding substrates by using the adhesive composition and an article bonded with the cured product of the adhesive composition and use of the composition in assembly of articles.
Inventors:
LI BIN (CN)
QI YALONG (CN)
CHEN CHUNFU (JP)
CHU HONGYU (CN)
LU DAOQIANG (CN)
QI YALONG (CN)
CHEN CHUNFU (JP)
CHU HONGYU (CN)
LU DAOQIANG (CN)
Application Number:
PCT/CN2020/137057
Publication Date:
June 23, 2022
Filing Date:
December 17, 2020
Export Citation:
Assignee:
HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)
HENKEL CHINA CO LTD (CN)
International Classes:
C08G59/18; C08G59/46; C08L63/00; C09J11/06; C09J163/00
Foreign References:
| US20070293603A1 | 2007-12-20 | |||
| CN108300389A | 2018-07-20 | |||
| CN103409041A | 2013-11-27 | |||
| CN102911631A | 2013-02-06 | |||
| CN106947213A | 2017-07-14 | |||
| US20080124839A1 | 2008-05-29 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LIMITED (CN)
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