Tire having silica reinforced tread

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 9/00 (2006.01) B60C 1/00 (2006.01) B60C 11/00 (2006.01) C08K 3/04 (2006.01) C08K 3/36 (2006.01) C08L 7/00 (2006.01)

Patent

CA 2198439

The invention relates to a tire with a tread. The tread is composed of three basic elastomers, namely, medium cis 1,4-polybutadiene rubber, isoprene/butadiene copolymer and natural cis 1,4-polyisoprene rubber and which is reinforced with either carbon black or a combination of carbon black and silica reinforcing fillers.

L'invention concerne une bande de roulement pour pneu. La bande de roulement est composée de trois élastomères de base, à savoir du caoutchouc de dureté moyenne cis-1,4-polybutadiène, un copolymère isoprène/butadiène et un caoutchouc naturel cis-1,4-polyisoprène et elle est renforcée à l'aide d'une charge constituée soit de noir de carbone soit d'une combinaison de noir de carbone et de silice.

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