Silica reinforced rubber composition

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 13/02 (2006.01) B60C 1/00 (2006.01) C08K 3/36 (2006.01) C08K 5/01 (2006.01) C08K 5/10 (2006.01) C08K 5/103 (2006.01) C08K 5/37 (2006.01) C08K 5/375 (2006.01) C08L 9/00 (2006.01)

Patent

CA 2134838

The present invention relates to a silica reinforced rubber composition and pneumatic tires having treads comprised of the silica reinforced rubber compositions. The silica reinforced rubber composition comprises an elastomer, silica, optionally carbon black and a silica coupler of the formula: Image (I) wherein R1, R2 and R3 individually represent hydrogen or an alkyl of 1 to 6 carbon atoms; X represents oxygen or sulfur; and Z represents a hydroxyalkyl group of 2 to 7 carbon atoms.

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