C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/1100, 6/146,
C08K 5/34 (2006.01) B60C 9/16 (2006.01) C08J 5/10 (2006.01) C08K 5/00 (2006.01) C08K 5/3437 (2006.01) C08L 21/00 (2006.01)
Patent
CA 1240434
-16- ABSTRACT OF THE DISCLOSURE Rubber compositions and articles such as tires having improved metal adhesion and metal adhesion retention to bright steel metallic reinforcement. The improvement comprises admixing from about 0.2 to about 6.0 parts per hundred rubber (phr) of a cobalt compound selected from the group consisting of cobalt chloride bis(8-hydroxyquinolate) and cobalt bis(8-hydroxyquinolate) with a vulcanizable rubber composition prior to embedding the metallic rein- forcement therein and curing. A method for improving the metal adhesion and metal adhesion retention between a vulcanizable rubber and bright steel metallic reinforcement includes the step of dispersing from about 0.2 to about 6.0 phr of a cobalt compound selected from the group consisting of cobalt chloride bis(8-hydroxyquinolate) and cobalt bis(8- hydroxyquinolate) in a vulcanizable rubber composition prior to curing.
461439
Halasa Adel F.
Ravagnani Frederick J.
Schonfeld Steven E.
Firestone Tire & Rubber Company (the)
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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