Properties of SBR Nanocomposites Reinforced with Organoclay/Carbon Black Dual Phase Fillers

카본 블랙/유기화 클레이로 보강된 SBR 나노 복합재료: 모폴로지와 기계적 물성

  • Kang, B.S. (Department of Chemical Engineering, Pusan National University) ;
  • Kim, W. (Department of Chemical Engineering, Pusan National University)
  • Published : 2007.03.31

Abstract

In this study, SBR (Styrene-butadiene rubber: solid content: 25 wt%) nanocomposites reinforced with carbon/organoclay(C18-MMT) were manufactured by a latex method. The SBR nanocomposites was made with the dual phase fillers. The mixing ratios, i.e. carbon black/C18-MMT, were 50/0, 49/1, 48/2, 47/3, 45/5, 44/6, 40/10. Total filler content of compounds was restricted to 50 phr. Cure characteristics and mechanical properties of SBR nanocomposites with carbon black and C18-MMT were evaluated. The SBR nanocomposites containing 49/1 ratio of carbon black/C18-MMT showed good dispersity and excellent values of ODR torque, tensile strength, modulus and tear energy. It was found that the improvement of the mechanical properties was mainly due to the reinforcing effect, i.e., the improvement of dispersion of silicates in the rubber matrix.

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