Vulcanizable elastomeric compositions for use as tire treads

Details Vulcanizable elastomeric compositions for use as tire treads Vulcanizable elastomeric compositions for use as tire treads

C - Chemistry, Metallurgy

08

L

C08L 9/00 (2006.01) B60C 1/00 (2006.01) C08K 3/00 (2006.01) C08K 3/04 (2006.01) C08K 3/22 (2006.01) C08K 3/30 (2006.01) C08L 9/06 (2006.01) C08L 25/10 (2006.01)

Patent

CA 2367674

Vulcanizable elastomeric compounds having enhanced viscoelastic properties include 100 parts by weight of at least one diene-based elastomer, and from about 30 to about 160 phr of filler. The filler may contain zinc sulfate (with an average particle size of about 0.5-1.0 microns), barium sulfate (with an average particle size of about 1.0-2.0 microns) and/or titanium dioxide (with an average particle size of about 0.05-1.0 microns).

L'invention concerne des composés élastomères vulcanisables présentant des propriétés viscoélastiques améliorées, ces composés renfermant 100 parties en poids d'au moins un élastomère diénique, et environ 30 à 160 phr d'une matière de charge. Cette matière de charge peut contenir du sulfate de zinc (avec une dimension granulométrique moyenne atteignant approximativement 0,5 à 1,0 micromètres), du sulfate de baryum (avec une dimension granulométrique moyenne variant environ entre 1,0 et 2,0 micromètres), et/ou du dioxyde de titane (avec une dimension granulométrique moyenne située entre 0,05 à 1,0 micromètres).

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