1999•Elastomers and CompositesRequires access

Effects of Carbon Blacks on Viscoelastic Behavior of Natural Rubber Melt

Soo Jin Shin, Chang-Nam Choi, Changwoon Nah, Shinyoung Kaang

Abstract

Effect of carbon blacks (CBs) on the stress relaxation and the elastic recovery of uncrosslinked natural rubber (NR) was examined. It was found that if the type of CB is characterized by smaller size and higher structure, the stress relaxation is more delayed and the elastic recovery becomes more active. These results are attributed to the degree of bound rubber, i.e., the interaction between NR and CB.

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Key concepts: Natural rubber, Viscoelasticity, Stress relaxation, Carbon black, Relaxation (psychology), Composite material, Materials science, Carbon fibers