HIGH MILEAGE RUBBER COMPOSITION FOR A RADIAL MEDIUM TRUCK (RMT) TIRE TREAD
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 29, 2023
filing date -
Sep 29, 2023
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Abstract
A tire tread suited to use in drive tires for long-haul freight trucks is formed from a vulcanizable rubber composition including 100 phr of an elastomer component which includes natural rubber and a polydiene rubber, at least 40 phr of carbon black, and a curative system including a sulfur-based curing agent, a zinc-based cure activator, an organic cure activator, and a combination of cure accelerators. The cure accelerators include (i) a sulfenamide accelerator, (ii) a metal dithiocarbamate accelerator, and (iii) at least one of a thiazole polysulfide accelerator and a thiuram polysulfide accelerator.
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