WINTER TREAD COMPOSITION INCLUDING ALUMINUM HYDROXIDE
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 10, 2023
filing date -
Jul 10, 2023
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Abstract
A rubber composition suited to forming a tread for a winter tire includes, expressed as parts by weight per hundred parts of rubber (phr): 100 phr of an elastomer component including a polybutadiene rubber and a styrene butadiene rubber. A filler component includes at least 10 phr aluminum hydroxide, at least 70 phr silica, and 0-20 phr carbon black. The composition further includes an organosilane coupling agent, one or more processing aids, selected from liquid plasticizers, waxes, and resins and a cure package including a sulfur-based curing agent, an activator selected from inorganic activators, organic activators, and combinations, and a cure accelerator.
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