Preparation of silica reinforced rubber composition and tire with component thereof
US8772374B2 · kind B2 · utility
13Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2012 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Oct 22, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L9/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to the preparation of a rubber composition containing a pre-treated precipitated silica and a tire having a component comprised of such rubber composition. The pre-treated silica is a precipitated silica having been pre-treated with a silica coupling agent comprised of an alkoxyorganomercaptosilane to form a precipitated silica/coupling agent composite prior to its blending with a rubber composition. The rubber composition preparation involves reacting said pretreated silica/coupling agent composite with a combination of bis(3-triethoxysilylpropyl) polysulfides in situ within the rubber composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.