Anaerobically curing adhesive sealing composition

Details Anaerobically curing adhesive sealing composition Anaerobically curing adhesive sealing composition

1989-08-28

1991-01-15

McCamish, Marion E.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

522 96, 522173, 525920, C08F 2602, C08F22602

Patent

active

049855239

ABSTRACT:
An anaerobically curing adhesive sealing composition comprising (A) a mono(meth)acrylate monomer represented by formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group; and R.sub.2 represents ##STR2## and (B) a (meth)acrylate prepolymer having a urethane structure in the main chain thereof and having an average molecular weight of 10,000 or more and further containing (C) a (meth)acrylate prepolymer having a urethane structure in the main chain thereof and an average molecular weight of at most 5,000. The sealing composition exhibits, upon curing, excellent elasticity and properties to follow an adherend while retaining excellent resistance to oil and heat as possessed by acrylate type reactive sealing compositions.

REFERENCES:
patent: 4295909 (1981-10-01), Baccei
patent: 4446286 (1984-05-01), Kolycheck et al.
patent: 4608409 (1986-08-01), Coady et al.
patent: 4690501 (1984-09-01), Zimmerman et al.

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