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US 5,962,562 AGranted
Rubber compositions containing N-(4-hydroxyphenyl) stearamide
AssigneeThe Goodyear Tire & Rubber Company
InventorsLawson Gibson Wideman, Sharon Patricia Carmickle-Seibert, Paul Harry Sandstrom
Life of this patent
Estimating the term…
Abstract
The present invention relates to rubber compositions containing N-(4-hydroxyphenyl) stearamide. The presence of N-(4-hydroxyphenyl) stearamide improves the physical properties of the rubber including flex fatigue resistance.
Claims19
A method of processing a rubber composition which comprises mixing
- (i) 100 parts by weight of at least one elastomer containing olefinic unsaturation selected the group consisting of natural rubber, conjugated diene homopolymers and copolymers and from copolymers of at least one conjugated diene and aromatic vinyl compound;
- with
- (ii) 0.05 to 10 phr of N-(4-hydroxyphenyl) stearamide.
A rubber composition comprising an elastomer containing olefinic unsaturation and 0.05 to 10 phr of N-(4-hydroxyphenyl) stearamide.
Dependencies are inferred from the claim text.