Tire and belt compositions

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 7/00 (2006.01) B60C 1/00 (2006.01) C08L 9/00 (2006.01)

Patent

CA 2122347

2122347 9309178 PCTABS00022 The present invention relates to a tire wherein at least one of the tread, steel-cord skim stock, sidewall and carcass portions contains a rubber composition formed by curing a blend of a. natural rubber, polyisoprene or a mixture thereof, b. butadiene rubber, styrene-butadiene rubber or a mixture thereof, c. carbon black, d. activator, e. zinc oxide, f. sulfur or a sulfur donor, and g. curing accelerator, characterized in that said rubber composition has a heat buildup of 20-35 ·C. These tires exhibit one or more improvements in a wide variety of properties. The present invention relates also to a belt which contains such a rubber composition, characterized in that said rubber composition has a heat buildup of 10-25 ·C. These belts exhibit also one or more improvements in a variety of properties.

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