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US 10,544,268 B2Granted
Rubber compositions containing carbon black and whey protein
AssigneeBridgestone Americas Tire Operations, LLC
InventorsBenjamin C. Galizio, Amy M. Randall, Melissa M. Clark
Life of this patent
Estimating the term…
Abstract
The present disclosure is directed to rubber compositions comprising at least one rubber, at least one reinforcing carbon black filler, and a whey protein component. The whey protein component is in an amount sufficient to provide about 0.1 to about 10 phr whey protein. The present disclosure is also directed to methods of preparing such rubber compositions and to tire components containing the rubber compositions disclosed herein.
Claims19
A method for modifying cross-linking of a reinforcing carbon black filler-containing rubber composition, the method comprising
- mixing ingredients comprising
- a whey protein component in an amount sufficient to provide about 0.1 to about 10 phr of whey protein, at least one rubber, about 5 to about 200 phr of at least one reinforcing carbon black, and a cure package,
- wherein the mixing includes at least one non-productive master-batch stage conducted at a temperature of about 130 to about 200° C. during which the at least one rubber is added and the whey protein component is added as a powder.
Dependencies are inferred from the claim text.