Pneumatic tire containing a silica pretreated with a fluorinated silane
US7514494B2 · kind B2 · utility
15Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2006 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Apr 26, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/541
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A pneumatic tire including at least one component having a rubber composition including at least one diene based elastomer and a silica that prior to mixing with said elastomer is prehydrophobated with a fluorinated silane of the following formula:Rf—R1—SiX3-x—R2x Iwherein Rf is a perfluorinated group optionally containing one or more heteroatoms; R1 is a divalent alkylene group, arylene group or mixture thereof, substituted with one or more heteroatoms or functional groups, containing about 1 to about 16 carbon atoms; R2 is a lower alkyl group; X is a halide, a lower alkoxy group or an acyloxy group; and x is 0 or 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.