Elastomer composite blends, method and apparatus for producing same

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(57) Abstract : A wet mix elastomer composite comprising carbon black dispersed in an elastomer including a blend of a natural rubber and styrenebutadiene rubber. When the wet mix tb elastomer composite is processed with CTV Method 1, the vulcanized wet mix 36% elastomer composite exhibits a resistiviA ty that A) has a natural logarithm satisfying the equation in(resistivity) > -0.1(loading) + x, where x is 14, or B) x $ is at least 2.9 times greater than the re- "ff sistivity of a vulcanized dry mix elastomer composite having the same composition and prepared using Compara- Wet mix blend tive CTV Method 1. Natural rubber wet mix a¢ Dry mix blend Natural rubber dry mix Loading (phr) Figure II Ill (88) Date of publication of the international search report : 21 July 2011