RUBBER COMPOSITION FOR TREAD, AND PNEUMATIC TIRE
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United States of America Patent
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app pub date -
Mar 25, 2015
filing date -
Nov 8, 2012
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Abandoned
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Abstract
The present invention provides a rubber composition for a tread which improves in terms of the fuel efficiency of a rubber composition containing an isoprene-based rubber and also offers favorable abrasion resistance and elongation at break, and a pneumatic tire comprising a tread formed from the rubber composition. The present invention relates to a rubber composition for a tread, comprising: a rubber component; a specific amount of a carbon black having a predetermined nitrogen adsorption specific surface area; a specific amount of sulfur; and a specific amount of a compound represented by formula (I) below, the rubber component comprising specific amounts of an isoprene-based rubber and a high-cis butadiene rubber having a predetermined cis content:
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