Tire with defined inner and outer tread rubber compositions
US4945964A · kind A · utility
19Cited by
13References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1988 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Nov 22, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/283
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A tread rubber composition having a high gripping property for use in high-speed running is disclosed, which comprises a diene rubber inclusive of at least one styrene-butadiene rubber, 70-150 parts by weight of carbon black and 30-120 parts by weight of a softening agent per 100 parts by weight of rubber component and has particular crosslinking structure, loss tangent (at 30.degree. C.) and peak temperature at this loss tangent as properties after vulcanization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.