Method, composition and product with improved adhesion between a

Details Method, composition and product with improved adhesion between a Method, composition and product with improved adhesion between a

1978-11-30

1980-12-16

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

156110A, 260 3, 260 237M, 525 4, 525 6, 525370, 525379, C08L 700, C08L 900

Patent

active

042396638

ABSTRACT:
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 either p-aminobenzoic acid or a cobalt salt of p-aminobenzoic acid.
The method of this invention comprises the steps of mixing the p-aminobenzoic acid or cobalt salt of p-aminobenzoic acid into a rubber composition, bringing this composition into contiguous relationship with a metal member in an unvulcanized product and vulcanizing the product to yield the end product.

REFERENCES:
patent: 3340214 (1967-09-01), Sapper
patent: 3514370 (1970-05-01), Canevari
patent: 3738948 (1973-06-01), Dunnom
patent: 3846160 (1974-11-01), Hirakawa et al.
patent: 3903026 (1975-09-01), Fujimura et al.
patent: 3936536 (1976-02-01), Brock
patent: 3993847 (1976-11-01), Kondo
patent: 4076668 (1978-02-01), Kaneda et al.
patent: 4082909 (1978-04-01), Sugiyama et al.
Kaplan, M. G., et al. "Rubber Mixtures" Chemical Abstracts vol. 71, p. 80--125748x (1969). _

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