Phased rubber composition and tire with tread
US9890270B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2016 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Oct 20, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L7/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a phased rubber composition and tire tread thereof intended for heavy duty service such as for example a truck tire. The phased rubber composition is comprised of the product of blending a first rubber phase comprised of cis 1,4-polybutadiene rubber and reinforcing filler comprised of rubber reinforcing carbon black and a second rubber phase comprised of natural cis 1,4-polyisoprene rubber and reinforcing filler comprised of precipitated silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.