Rubber composition for tire tread
US5500482A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1994 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Sep 16, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/36
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A rubber composition for a tire tread comprising (i) 100 parts by weight of a rubber component comprising (a) natural rubber and (b) a styrene-butadiene copolymer rubber having a vinyl content in the butadiene portion of 35 to 80% by weight and a styrene content of 10 to 40% by weight wherein the total amount these rubbers is at least 80 by weight of the total rubber component and wherein the amount of the styrene-butadiene copolymer rubber, is 20 to 60% by weight of the total rubber component, (ii) 20 to 70 parts by weight of silica and (iii) 20 to 70 parts by weight of carbon black.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.