Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 63, Issue 1, Pages 81-87Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0969-806X(01)00486-8
Keywords
SBR; NR; radiation; sulfur; peroxide; vulcanization
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The physical properties of radiation, sulfur and peroxide-cured styrene-butadiene rubber (SBR) and natural rubber (NR) were compared. The dependence of the mechanical properties of the radiation-vulcanized SBR and NR on the coagent concentration and radiation dose was studied. The effect of thermal aging on the mechanical properties of the different rubber formulations was discussed. The radiation-cured formulations of SBR have superior mechanical properties and thermal stability compared with those of the chemically vulcanized compounds. Whereas, the radiation-cured formulations of NR have similar mechanical properties but superior thermal stability (based on the % change in E after thermal aging), when compared with those of the sulfur-vulcanized compounds and slightly better than those of the peroxide-vulcanized compounds. (C) 2001 Elsevier Science Ltd. All rights reserved.
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