Epoxy, polysulfide and cyanoacrylate composites utilizing activa

Details Epoxy, polysulfide and cyanoacrylate composites utilizing activa Epoxy, polysulfide and cyanoacrylate composites utilizing activa

1994-01-21

2000-08-29

Pezzuto, Helen L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525423, 525426, 525533, 525537, 528345, C08F28304

Patent

active

061110302

ABSTRACT:
The present invention relates to cured compositions useful as adhesives and sealants formed by dispersing an amine-terminated polyamide curative into a base to form a composite and activating the composite forming the cured composition. Bases described include epoxies, polysulfides and cyanoacrylates. Curing mechanisms include heat and pressure activation. The amine-terminated polyamide curative has a ratio of equivalents of amine to acid groups of from about 1.05:1.00 equivalents NH.sub.X :COOH to no greater than about 1.95:1.00 when x is 1 or 2.

REFERENCES:
patent: 3261882 (1966-07-01), Gorton
patent: 3639657 (1972-02-01), Moran et al.
patent: 3759914 (1973-09-01), Simms et al.
patent: 4126505 (1978-11-01), Garnish et al.

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