Patent · US Active

Rubber compositions

US11124631B2 · kind B2 · utility

2Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 2017
Grant dateSep 21, 2021
Priority date
Expiry dateSep 1, 2037

Classification

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

Abstract

Disclosed herein is a rubber composition containing 100 parts by mass of a solid rubber (A), 0.1 to 50 parts by mass of a modified liquid diene rubber (B) having a functional group derived from a silane compound represented by the formula (1), and 20 to 200 parts by mass of a filler (C), the modified liquid diene rubber (B) satisfying (i) to (iii): (i) a weight average molecular weight (Mw) is not less than 1,000 and less than 15,000; (ii) a vinyl content is not more than 70 mol %; and (iii) an average number of functional groups per molecule of the modified liquid diene rubber (B) is 1 to 20.

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