C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/54 (2006.01) C08K 5/3432 (2006.01) C08L 21/00 (2006.01)
Patent
CA 2397989
The invention concerns a rubber composition for making tyres, based on at least a diene elastomer, a reinforcing inorganic filler, a polysulphide alkoxysilane as (inorganic filler/elastomer) coupling agent with which is associated a 1,2-dihydropyridine and a guanidine derivative. The invention also concerns a tyre or semi-finished product for tyres comprising said rubber composition. The invention further concerns an (inorganic filler/diene elastomer) coupling system for a rubber composition based on reinforced diene elastomer of an inorganic filler, consisting of the combination of a polysulphide alkoxysilane, a guanidine derivative and a 1,2-dihydropyridine.
Composition de caoutchouc utilisable pour la fabrication de pneumatiques, à base d'au moins un élastomère diénique, une charge inorganique renforçante, un alkoxysilane polysulfuré à titre d'agent de couplage (charge inorganique/élastomère) auquel sont associées une 1,2-dihydropyridine et un dérivé guanidique. Pneumatique ou produit semi-fini pour pneumatique comportant une composition de caoutchouc conforme à l'invention. Système de couplage (charge inorganique/élastomère diénique) pour composition de caoutchouc à base d'élastomère diénique renforcée d'une charge inorganique, constitué par l'association d'un alkoxysilane polysulfuré, d'un dérivé et d'une 1,2-dihydropyridine.
Penot Christophe
Roy Vanessa
Michelin Recherche Et Technique S.a.
Robic
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