RUBBER COMPOSITION AND TIRE
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United States of America Patent
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Issued Date -
Jul 11, 2019
app pub date -
Sep 21, 2017
filing date -
Sep 26, 2016
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Abstract
The present disclosure provides a rubber composition that can improve the steering stability and the wet performance of a tire while reducing the rolling resistance of the tire. The rubber composition includes a rubber component (A) including a natural rubber (A1) and a modified diene rubber (A2) having a glass transition temperature (Tg) of −50° C. or lower, a thermoplastic resin (B), and a silica (C) such that the specific surface area by cetyltrimethylammonium bromide adsorption (CTAB) (m2/g) and the ink bottle-shaped micropore index (IB) satisfy IB≤−0.36×CTAB+86.8 (Expression Y). The amount of the thermoplastic resin (B) is 10 to 50 parts by mass per 100 parts by mass of the rubber component (A).
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