Colorable elastomeric composition

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 23/22 (2006.01) B60C 1/00 (2006.01) B60C 13/04 (2006.01) C08K 3/36 (2006.01) C08K 5/405 (2006.01) C08L 9/00 (2006.01) C08L 25/16 (2006.01) C08L 27/00 (2006.01)

Patent

CA 2443261

Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene- butadiene rubber, isoprene-butadiene rubber, or natural rubber and polybutene processing oil. The colorable rubber compositions have sufficient properties to function as a reinforcing member in a shoe sole or automobile tire. Preferably, both the transparent and colorable elastomeric compositions include at least one copolymer of a C4 to C7 isoolefin and ap-methylstyrene, silica and a high cispolybutadiene rubber._

La présente invention concerne des compositions élastomères transparentes et colorables. Ces compositions élastomères transparentes peuvent être co-vulcanisées avec des caoutchoucs tels que les polybutadiène, polyisoprène, caoutchoucs styrène-butadiène, caoutchoucs styrène-isopréne-butadiéne, caoutchoucs isoprène-butadiène, ou caoutchoux naturel à l'huile de traitement polybutènique. Les propriétés de ces compositions de caoutchoucs colorables leur permettent de servir d'élément de renfort pour des semelles de chaussures ou des pneus d'automobiles. De préférence, les compositions élastomères, aussi bien transparentes que colorables, incluent au moins un copolymère de C¿4?-C¿7? isooléfine et d'un p- méthylstyrène, de la silice et un caoutchouc cispolybutadiènique supérieur.

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