While little sulfur was added to the curing system of DTDM the mixture cured faster had shorter pre vulcanization time and worse properties .

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The crosslink structure reduced and the modification of rubber by polar sulfur ring was predominant resulting in plastics-like SBR ebonite at the middle and final stages of vulcanization ;

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Differences between Thermal-Oxidative Stability of Medical Natural Rubber Latex Products Prepared by Peroxide Pre-vulcanization and Sulfur vulcanization

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The problems of glittering of EPDM products with low sulfur and high accelerator vulcanization system and its mold pollution were discussed .

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The results showed that ETPI could be vulcanized with conventional sulfur - accelerator vulcanization system . Among three conventional kinds of accelerator M CZ TMTD vulcanization curve of ETPI with CZ as accelerator was the most ideal .

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