An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 30 to about 70 phr of polybutadiene having a cis- 1,4 linkage content of at least 95%; about 30 to 70 phr of natural rubber or polyisoprene; about 20 to 50 phr of a processing oil; a curative agent; an antioxidant; about 50 to about 80 phr filler; a silane compling agent; and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl mbber, poly(isobutylene-co- para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.
FUNCTIONALIZED POLYMERS TREAD ADDITIVE FOR IMPROVED WINTER TIRE PERFORMANCE
FUNKTIONALISIERTE POLYMERE ALS LAUFFLÄCHENADDITIV FÜR VERBESSERTE WINTERREIFENEIGENSCHAFTEN
ADDITIF POUR BANDE DE ROULEMENT DE POLYMÈRES FONCTIONNALISÉS POUR AMÉLIORER LES PERFORMANCES D'UN PNEU D'HIVER
2022-10-26
Patent
Electronic Resource
English
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