C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/22 (2006.01) B60C 1/00 (2006.01) B60C 13/00 (2006.01) B60C 13/04 (2006.01) C08L 9/00 (2006.01) C08L 23/16 (2006.01) C08L 23/28 (2006.01)
Patent
CA 2240027
This invention relates to a pneumatic rubber tire having a rubber sidewall with at least a portion of its outer surface being composed of white rubber devoid of carbon black reinforcement and composed of an elastomer composition prepared as a combination of EPDM, chlorobutyl rubber, diene-based elastomers and liquid EPDM. The liquid EPDM component replaces at least a portion of a traditionally used naphthenic/paraffinic processing oil.
L'invention porte sur des pneus en caoutchouc, ave un flanc de caoutchouc, dont la surface externe est composée au moins en partie de caoutchouc blanc, exempt de renforcement à base de noir de carbone et constitué d'une composition élastomère préparée sous forme de combinaison d'EPDM, de caoutchouc de chlorobutyle, d'élastomères à base diénique et d'EPDM liquide. L'EPDM liquide remplace au moins une partie de l'huile de traitement naphténique/paraffinique utilisée habituellement.
Patitsas George Philemon
Sandstrom Paul Harry
Segatta Thomas Joseph
Smart & Biggar
The Goodyear Tire & Rubber Company
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