Effects of Carbon Black Content and Vulcanization Type on Cure Characteristics and Dynamic Mechanical Property of Styrene-Butadiene Rubber Compound

  • Changwoon Nah (Department of Polymer Science and Technology, College of Engineering, Chonbuk National University) ;
  • Kim, Wan-Doo (Rubber Mechanics Laboratory, Korea Institute of Machinery & Materials) ;
  • Lee, Seag (Kwangju-Chonnam Techno Park)
  • Published : 2001.06.01

Abstract

The influences of carbon black loading and cure type on the cure characteristics including kinetics and dynamic mechanical properties were investigated for a styrene-butadiene rubber (SBR). The rate constants of accelerated sulfur vulcanization reaction at three different temperatures were determined using a cure rheometer, and they were compared with those from the direct measurement of sulfur concentration. The strain softening behavior under dynamic deformation, known as the Payne effect was also discussed depending on the carbon black loading and cure type.

Keywords

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