C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 47/00 (2006.01) C08C 19/28 (2006.01) C08L 101/00 (2006.01) C09J 4/06 (2006.01) C09J 101/00 (2006.01) C09J 121/00 (2006.01) C09J 123/16 (2006.01) C09J 123/22 (2006.01) C09J 123/28 (2006.01) C09J 123/34 (2006.01) C09J 147/00 (2006.01)
Patent
CA 2089754
2089754 9203503 PCTABS00011 A flowable uncured adhesive elastomeric composition suitable for delivery to assembly sites by pumping through supply lines is provided, which has a tensile strength suitable for formation of a strong bond, comprising: a) an elastomer having a viscosity higher than flowable; b) a synthetic resin curable by the same cure system as said non-flowable elastomer in an amount sufficient to lower the viscosity of the mixture to a pumpable level; c) an unsaturated polymeric adduct of a dicarboxylic acid or dicarboxylic acid derivative in an amount sufficient to provide adhesive properties to the mixture; and d) a curing agent. Preferably the composition also comprises a crosslink-enhancing coagent in an amount sufficient to lower percent elongation and increase adhesive bond strength of the cured elastomer. The compositions are useful for bonding substrates such as other elastomers, metals, plastics, glass, fibers, paper and fabrics.
Drake Ronald E.
Labriola John M.
Ricon Resins Inc
Sim & Mcburney
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