Rubber compositions and method for increasing the mooney scorch value
AssigneeUniroyal Chemical Company, Inc.
InventorsSung W. Hong, Martin J. Hannon, Peter K. Greene
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Abstract
A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; (c) a coupling agent; (d) a cure-enhancing amount of at least one polyalkylene oxide; and (e) at least one high molecular weight thiuram disulfide. The compositions may also include suitable amounts of other ingredients such as carbon black, antiozonants, antioxidants, etc.
Claims28
A rubber composition comprising (a) a rubber component;
- (b) a silica filler;
- (c) a coupling agent;
- (d) a cure-enhancing amount of a polyalkylene oxide;
- and (e) a thiuram disulfide having a molecular weight of at least about 400.
A method for increasing the mooney scorch value of a rubber composition which comprises the step of forming a rubber composition comprising (a) a rubber component;
- (b) a silica filler;
- (c) a coupling agent;
- (d) a polyalkylene oxide;
- and (e) a thiuram disulfide having a molecular weight of at least about 400.
Dependencies are inferred from the claim text.