Elastomer compositions

B - Operations – Transporting – 60 – C

Patent

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B60C 1/00 (2006.01) C08L 21/00 (2006.01) C08L 23/16 (2006.01) C08L 23/20 (2006.01) C08L 23/22 (2006.01)

Patent

CA 1128691

ABSTRACT OF THE DISCLOSURE Tyres having good grip on wet road surfaces and low frictional resistance to rolling on the road surface have treads formed from vulcanisates of elastomer compositions comprising one or more polymers having a glass transition temperature (Tg) of minus 50°C or lower blended with a non-cross-linking polymer or heavy oil. Suitable non-cross-linking polymers are polyisobutylenes, especially ones having a molecular weight of 1.06 to 1.44 million which are very effective with natural rubber, polybutydienes and/or styrene- butadiene copolymers as the low (Tg) polymers.

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