RUBBER COMPOSITION WITH SUPERIOR GRIP AND IMPROVED HYSTERESIS COMPOSITION
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United States of America
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Apr 10, 2025
app pub date -
Jan 25, 2023
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Jan 25, 2023
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Abstract
A cross-linkable rubber composition for a tyre tread, the cross-linkable rubber composition comprising, per hundred parts by weight of rubber (phr) a solution polymerized styrene-butadiene rubber (SSBR) comprising an alkoxysilane group and a primary amino group; ≥45 phr of at least one filler; and ≥1 phr of a resin; characterised in that the composition comprises ≥90 phr to ≤100 phr of the SSBR, wherein the SSBR has a styrene content of 20% to 35% and a vinyl content of 48% to 60% (as determined by nuclear magnetic resonance (NMR) spectroscopy) and a glass transition temperature Tg (determined by differential scanning calorimetry (DSC) according to ISO 22768) between −23 #C to −30 #C.
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