Method, composition and product with improved adhesion...

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

B - Operations, Transporting

60

C

6/144, 18/949

B60C 1/00 (2006.01) C08J 5/10 (2006.01) C08K 5/09 (2006.01) C08K 5/1539 (2006.01)

Patent

CA 1165079

ABSTRACT OF THE DISCLOSURE: This invention is directed to a method, a rubber skim stock and a product containing the skim stock having improved adhesion between a-metal member and contiguous rubber skim stock. The invention lies in the discovery that improved rubber-to-metal adhesion can be obtained by adding to an otherwise conventional rubber skim stock composition appropriate amounts of a tetracarboxylic dianhydride. The method of this invention comprises the steps of mixing a tetracarboxylic dianhydride into a rubber composition, bringing this composition into contiguous relationship with a metal member in an unvulcanized product and vulca- nizing the product to yield the end product.

373976

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