Elastomeric compounds incorporating silicon-treated carbon...

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 9/02 (2006.01) C08J 3/22 (2006.01) C08K 3/04 (2006.01) C08K 5/54 (2006.01) C08K 9/06 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C09C 1/50 (2006.01) C09C 1/56 (2006.01)

Patent

CA 2221564

Disclosed are elastomeric compounds including an elastomer and a silicon- treated carbon black, and optionally including a coupling agent. The elastomeric compound exhibits poorer abrasion resistance in the absence of a coupling agent, lower hysteresis at high temperature and comparable or increased hysteresis at low temperature compared to an elastomer containing an untreated carbon black. A variety of elastomers and formulations employing such elastomers are contemplated and disclosed. Elastomeric compounds incorporating an elastomer and an oxidized, silicon-treated carbon black are also disclosed. Also disclosed are methods for preparing elastomers compounded with the treated carbon black.

L'invention décrit des composés élastomères comportant un élastomère et un noir de carbone traité au silicium, ainsi qu'éventuellement un agent de couplage. Par rapport à un élastomère contenant un noir de carbone non traité, le composé élastomère de l'invention présente une moindre résistance à l'abrasion en l'absence d'agent de couplage, une moindre hystérésis à haute température et une hystérésis comparable ou accrue à basse température. L'invention envisage et décrit une variété d'élastomères et de formulations faisant intervenir ces derniers. Elle décrit également des composés élastomères incluant un élastomère et un noir de carbone oxydé et traité au silicium, ainsi que des procédés permettant de préparer des élastomères mis en composition avec le noir de carbone traité.

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