Method, composition and product with improved adhesion...

Details Method, composition and product with improved adhesion... Method, composition and product with improved adhesion...

C - Chemistry, Metallurgy

08

K

400/1124, 6/140,

C08K 5/18 (2006.01) B32B 15/06 (2006.01) B32B 25/00 (2006.01) C07C 63/06 (2006.01) C07C 63/08 (2006.01) C08J 5/12 (2006.01) C08L 7/00 (2006.01) C08L 21/00 (2006.01) C09J 5/00 (2006.01)

Patent

CA 1118549

- 21 - ABSTRACT OF THE DISCLOSURE This disclosure relates to a method, a rubber skim stock and a product containing the skim stock having improved adhesion between a metal member and a contiguous rubber skim stock. The invention lies in a discovery that improved rubber-to-metal adhesion can be obtained by adding to an otherwise conventional rubber skim stock compound appropriate amounts of either p- aminobenzoic acid or a transition metal salt of p- aminobenzoic acid. In particular, the cobalt and nickel salts of p-aminobenzoic acid have been found to be effective. The method of this invention comprises the steps of mixing the p-aminobenzoic acid or transition metal salt of p-aminobenzoic acid into a rubber compound, forming this compound into contiguous relationship with a metal member in an unvulcanized product and vulcanizing the product to yield the end product.

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