Title:
TWO-COMPONENT ADHESIVE FOR RUBBER AND METAL, AND BONDING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/181564
Kind Code:
A1
Abstract:
[Problem] To provide an adhesive which bonds a rubber, particularly an olefin-based rubber, to a metal strongly, exhibits excellent shear adhesive strength at high temperatures, exhibits temporary fixing properties until bonding/curing by the adhesive, and can be cured at a relatively low temperature. [Solution] Provided is a two-component adhesive for rubber and metal, which contains a liquid (A) and a liquid (B). Liquid (A) contains a component (a) and a component (b) at specific proportions, and liquid (B) contains a component (d). Either liquid (A) or liquid (B) contains a component (c) at a specific proportion. Component (a) is: a compound (a1) which has 1 or more aromatic rings and 3 or more epoxy groups and which has a softening point of 40ºC or more; and a compound (a2) having an epoxy group other than compound (a1). Component (b) is: a liquid compound (b1) which has 2 or more (meth)acryloyl groups; and a compound (b2) having a (meth)acryloyl group other than compound (b1). Component (c) is a photo-radical polymerization initiator. Component (d) is an aliphatic polyamine compound having a primary and/or secondary amino group.
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Inventors:
INATA KAZUMASA (JP)
YAMADA MASASHI (JP)
WAKAMATSU IKUMA (JP)
YAMADA MASASHI (JP)
WAKAMATSU IKUMA (JP)
Application Number:
PCT/JP2022/007040
Publication Date:
September 01, 2022
Filing Date:
February 21, 2022
Export Citation:
Assignee:
TOAGOSEI CO LTD (JP)
International Classes:
C09J4/02; C09J5/00; C09J11/06; C09J163/00
Foreign References:
| JP2001503811A | 2001-03-21 | |||
| JPS6366279A | 1988-03-24 | |||
| JP2000509425A | 2000-07-25 | |||
| JPS6310680A | 1988-01-18 | |||
| JPS60168776A | 1985-09-02 | |||
| JP2011219745A | 2011-11-04 | |||
| JP2003055623A | 2003-02-26 |
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