Tire with component containing polybenzobisoxazole short fiber and epoxidized polyisoprene
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United States of America Patent
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Apr 16, 2013
Grant Date -
Jun 21, 2012
app pub date -
Feb 23, 2012
filing date -
Nov 6, 2008
priority date (Note) -
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Abstract
The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of apexes, flippers and chippers, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm having a thickness ranging from 10 to 30 microns, and from 1 to 50 phr of an epoxidized polyisoprene having a number-average molecular weight of 5000 to 100000.
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