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US 10,472,502 B2Granted
Resin-extended rubber composition and tire rubber compositions prepared therewith
AssigneeKraton Polymers U.S. LLC
InventorWolfgang Pille-Wolf
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Abstract
A process for the preparation of a shaped rubber composition comprising combining a rubber compound with an extender compound to produce a mixture; drying the mixture to produce a dried mixture; and shaping the mixture wherein the extender compound comprises a natural or hydrocarbon resin, which possesses a glass transition temperature of at equal to or greater than about −70° C. and an acid value of 50 mg KOH/g or less and wherein the mixture is shaped into particles or bales.
Claims18
A process for the preparation of a shaped rubber composition comprising:
- combining a rubber compound with an extender compound in an organic solvent to produce a solution;
- drying the solution to produce a dried mixture;
- and
- shaping the mixture;
- wherein the extender compound comprises a natural or hydrocarbon resin having a glass transition temperature of 70° C. to about 120° C., and an acid value of 50 mg KOH/g or less,
- and wherein the mixture is shaped into particles or bales.
3 more elements
Dependencies are inferred from the claim text.