RUBBER COMPOSITION AND PNEUMATIC TIRE

A vulcanizable rubber composition for use in a tread of a pneumatic tire is disclosed. The rubber composition comprises, based on 100 parts by weight of elastomer (phr), (A) from 80 to 20 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from -...

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Bibliographische Detailangaben
Hauptverfasser: ISITMAN, Nihat Ali, THIELEN, Georges Marcel Victor
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A vulcanizable rubber composition for use in a tread of a pneumatic tire is disclosed. The rubber composition comprises, based on 100 parts by weight of elastomer (phr), (A) from 80 to 20 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from -85 °C to -50 °C; (B) from 20 to 80 phr of a natural rubber; (C) from 30 to 70 phr of a process oil; and (E) from 70 to 150 phr of silica; wherein the weight ratio of silica to the oil is less than 2.