Cure Characteristics and Mechanical Properties of Butadiene Rubber/Whole Tyre Reclaimed Rubber Blends

Abstract

Cure characteristics and mechanical properties of Butadiene rubber/ reclaimed rubber blends were studied. Minimum torque, scorch time, and cure time decreased with the increase in reclaim content. Tensile strength, tear resistance, ultimate elongation, cure rate and compression set increased where as resilience and abrasion loss decreased with reclaim loading. The (maximum – minimum) torque was reduced at higher loading of reclaim. Heat build up was higher for the blends containing higher amounts of reclaimed rubber. Ageing resistance of the blends was inferior to that of the gum compounds.