Rubber tire composition comprising an azo-silane coupling agent
US9624358B2 · kind B2 · utility
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9References
34Claims
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Key dates
| Filing date | Mar 28, 2012 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Jan 9, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L21/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a tire rubber composition based on at least one diene elastomer, an inorganic filler as reinforcing filler, a coupling agent providing the bonding between the inorganic filler and the diene elastomer, characterized in that the coupling agent is an azosilane compound of following formula (I):(G1)3-a(G2)aSi—Z—NH—C(O)—N═N—C(O)—NH—Z—Si(G1)3-a(G2)a (I)in which:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.