Patent ID: 6197868
Filing Date: 2001-03-06
Classification: C08K

Abstract:
A pneumatic tire having a tread, wherein a rubber composition of the tread layer comprises:a diene-based rubber component containing a rubber selected from the group consisting of styrene-butadiene rubber (SBR), butyl rubber (IIR), and ethylene-propylene rubber (EPDM) in an amount of less than 50 parts by weight in 100 parts by weight of the diene-based rubber component;a white filler in an amount of 15 parts by weight or more per 100 parts by weight of the rubber component; anda zinc dithiophosphate which is a vulcanization accelerator represented by following general formula (I) in an amount of 0.2 to 5.0 parts by weight per 100 parts by weight of the rubber component: ##STR5##wherein R.sup.1 and R.sup.2 each independently represents an alkyl group having 1 to 10 carbon atoms which may be linear, branched, or cyclic, or an aryl group having 6 to 10 carbon atoms.