Elastomeric composition comprising functionalized butadienic elastomers and high dispersible aluminium-based silica
US8268921B2 · kind B2 · utility
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6References
35Claims
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Key dates
| Filing date | Dec 22, 2005 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Dec 22, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L9/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The instant invention relates to elastomeric compositions especially useful for manufacturing articles for tires which comprise: (1) at least one butadienic elastomer E, containing a functionalized butadienic elastomer prepared in solution, and modified by a polyfunctional alkoxy silane coupling agent; and (2) a specific precipitated silica having high dispersibility properties and containing aluminum, as at least one reinforcing filler in said butadienic elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.