Patent · US Expired

Rubber composition for a tire tread

US7084228B2 · kind B2 · utility

33Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 2005
Grant dateAug 1, 2006
Priority date
Expiry dateJan 31, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S152/905
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A cross-linkable or cross-linked rubber composition usable to constitute a tire tread having improved wear resistance, to such a tread and to a tire incorporating this tread. The composition is particularly applicable to tires of passenger-vehicle type. The rubber composition includes a plasticizing resin of number-average molecular weight of from 400 to 2000 g/mol, the resin having units resulting from the polymerization of a monocyclic or bicyclic unsaturated terpene, in a mass fraction of from 70% to 100%, and having a glass transition temperature greater than 50° C. and less than 120° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.