Self-supporting tire

Details Self-supporting tire Self-supporting tire

C - Chemistry, Metallurgy

08

L

400/1108, 400/11

C08L 7/00 (2006.01) B60C 1/00 (2006.01) B60C 5/00 (2006.01) B60C 13/00 (2006.01) B60C 17/00 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01) C08L 25/10 (2006.01)

Patent

CA 1118934

SELF SUPPORTING TIRE Abstract of the Disclosure A self supporting tire having a nonstaining high modulus low hysteresis inner sidewall composition compris- ing: (a) 100 parts by weight of sulfur vulcanizable rubber of which from about 50 to about 95 parts by weight is natural rubber and/or cis-polyisoprene and from about 5 to about 50 parts by weight is at least one elastomer selected from the group consisting of styrene-butadiene and cis-polybutadiene; and (b) from about 25 to about 80 parts by weight of carbon black per 100 parts by weight of rubber, wherein said carbon black has a dibutyl phthalate absorption value greater than about 80 and a particle size less than about 50 milli-microns. The self supporting tire is capable of operating both as a pneumatic tire under ordinary inflated conditions and also has the capability of operating without inflation for limited distance.

309489

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