Adhesive compositions comprising maleic acid peroxy compounds as

Details Adhesive compositions comprising maleic acid peroxy compounds as Adhesive compositions comprising maleic acid peroxy compounds as

1989-05-24

1990-04-10

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525262, 525303, 525386, 5262325, 528173, 528364, 523176, C08G 6376, C08F 432

Patent

active

049161849

ABSTRACT:
An adhesive composition comprising a component which is polymerizable or cross-linkable with a peroxy initator, e.g., a (meth)acrylic ester monomer, thiolene resin, or tough acrylic copolymer, and an initiator of the formula: ##STR1## wherein: R.sub.1 is H or lower alkyl; and R.sub.2 is H or --OR.sub.3, where R.sub.3 is H or lower alkyl.
An appertaining method of bonding substrates, and bonded articles formed thereby, are also disclosed. The adhesive composition of the invention is particularly advantageous in bonding of metal substrates, on which the maleic acid peroxy compounds of the invention produce surface bonding enhancement of the adhesive composition, relative to the use of conventional polymerization/crosslinking peroxy initiators such as t-butyl perbenzoate.

REFERENCES:
patent: 2757166 (1956-07-01), Segro et al.
patent: 4129613 (1978-12-01), Lewis et al.
patent: 4370459 (1983-01-01), Pastorino et al.
patent: 4376847 (1983-03-01), Matsubara et al.
Official Gazette--1046 TMOG--9/4/84.

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