Rubber processing

Introduction

Damping properties of rubber blends and filler-incorporated rubber composites are widely used in the rubber industry to improve mechanical properties and processability along with low cost. In this study, isobutylene isoprene rubber (IIR) was blended with ethylene-propylene-diene monomer rubber (EPDM), which featured excellent aging properties and chemical resistance, to improve damping properties and impact resistance.

Carbon black (CB) was used as a filler for improving mechanical properties, and sulfur (S) was used as a curing agent. In this study, we analyzed the changes in curing properties and mechanical properties by tuning the contents of CB and S. In addition, in the final master batch (FMB) stage, curing was performed using peroxide without S, and the physical properties were compared.