Rubber compositions and method for increasing the mooney...

Details Rubber compositions and method for increasing the mooney... Rubber compositions and method for increasing the mooney...

C - Chemistry, Metallurgy

08

K

C08K 5/40 (2006.01) C08K 3/36 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2409952

A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; and, (c) at least one thiuram disulfide accelerator, it being provided that diphenyl guanidine is substantially absent in the rubber composition. The compositions may also include suitable amounts of other ingredients such as carbon black, coupling agents, antiozonants, antioxidants, etc.

La présente invention concerne une composition élastomère qui contient au moins (a) un composant élastomère, (b) une charge de silice et (c) au moins un accélérateur au bisulfure de thiourame, la guanidine diphényle étant sensiblement absente de cette composition élastomère. Cette composition peut aussi comprendre des quantités adaptées d'autres composants tels que le noir de carbone, des agents de couplage, des agents anti-ozone, des antioxydants etc..

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