Patent · US Expired

Rubber composition based on carbon black having silica fixed to its surface and on diene polymer functionalized or modified with silanol functions

US6071995A · kind A · utility

27Cited by
0References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 6, 1998
Grant dateJun 6, 2000
Priority date
Expiry dateMay 6, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/86
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A rubber composition of improved hysteretic and physical properties which make it suitable for forming a tire tread, notably a tire tread of reduced rolling resistance, the rubber composition including carbon black having silica fixed to its surface as the majority portion of reinforcing filler and at least one functionalized diene polymer having at the end of its chain a silanol function or a polysiloxane block including a silanol end or a diene polymer modified along its chain by silanol functions.

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