C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/544 (2006.01) B60C 1/00 (2006.01) C08K 3/00 (2006.01) C08L 9/00 (2006.01)
Patent
CA 2422370
The invention concerns an elastomeric composition based on at least an isoprene elastomer, a reinforcing inorganic filler and, as coupling agent (inorganic filler/isoprene elastomer), a citraconimido-alkoxysilane, in particular a N-[(alkyl(C¿1?-C¿3?)-alkoxy(C¿1?-C¿3?)silyl)]-citracominide. The isoprene elastomer is in particular natural rubber and the reinforcing inorganic filler is a siliceous or aluminous filler of the highly dispersible type. The invention also concerns a method for preparing such a composition. The invention further concerns the use of said composition for making tyres or semi-finished products for tyres, in particular running treads for heavy vehicle tyres.
Composition élastomérique à base d'au moins un élastomère isoprénique, une charge inorganique renforçante et, à titre d'agent de couplage (charge inorganique/élastomère isoprénique), un citraconimido-alkoxysilane, en particulier un N-[(alkyl(C1-C3)-alkoxy(C1C3)silyl)]-citraconimide. L'élastomère isoprénique est notamment du caoutchouc naturel et la charge inorganique renforçante une charge siliceuse ou alumineuse du type hautement dispersible. Procédé pour préparer une telle composition. Utilisation de cette composition pour la fabrication de pneumatiques ou de produits semi-finis pour pneumatiques, en particulier de bandes de roulement pour pneumatiques Poids- Lourd.
Belin Laure
Blanchard Christiane
Pagano Salvatore
Thonier Christel
Michelin Recherche Et Technique S.a.
Robic
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