Rubber composition for tire tread and pneumatic tire

Details Rubber composition for tire tread and pneumatic tire Rubber composition for tire tread and pneumatic tire

C - Chemistry, Metallurgy

08

L

C08L 9/00 (2006.01) B60C 1/00 (2006.01) C08J 9/228 (2006.01) C08L 7/00 (2006.01) C08L 23/06 (2006.01) C08L 23/26 (2006.01)

Patent

CA 2277590

A rubber composition for a tire tread comprising a foamed rubber composition prepared by blending 100 parts by weight of at least one rubber component selected from the group consisting of natural rubber and diene based synthetic rubbers with 1 to 40 parts by weight of a thermoplastic resin having a melting point of 120 to 130°C, a density of 0.92 to 0.935 g/cm3 and a softening point of 80 to 110°C, and a pneumatic tire using the above rubber composition for a tire tread part. The above thermoplastic resin is preferably a linear polyethylene or a modified linear polyethylene obtained by modifying a part of a linear polyethylene.

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