C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
154/141, 260/452
C08L 23/16 (2006.01) C08G 18/80 (2006.01) C09J 123/16 (2006.01)
Patent
CA 1307535
ABSTRACT Compositions of matter based on the reaction product of a dioxime compound and a polyisocyanate compound, made by reacting the compounds in an inert organic liquid in such a proportion that the ratio of oxime groups to isocyanate groups in the reaction is greater than 2:1, and is preferably about 2.5:1. The reaction product may be used in an adhesive composition which further includes an elastomer with a degree of unsaturation of greater than two mole percent, which is preferably an ethylene-propylene-diene terpolymer, and which may further include a film-forming adjunct, an inert filler material, and an inert solvent. The adhesive composition, which does not require an oxidizing agent, may be made into a liquid adhesive composition by mixing with an inert organic liquid. The liquid adhesive composition may be used to bond rubber to metal, producing useful bonded and laminated articles, by coating at least one of the substrate surfaces to be bonded with the composition; bringing both substrate surfaces into contact with the composition layered therebetween; and maintaining contact under sufficient conditions of time, temperature, and pressure to effect bonding. Both cured and uncured rubbers may be bonded.
554684
Auerbach Robert A.
Watson George W.
Lord Corporation
Swabey Ogilvy Renault
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