Abstract
In the present study, coagulated styrene-vinylpyridine-butadiene ter-polymer latex (VP latex) is used as a secondary accelerator to increase the cure rate in the sulfonamide—sulfur curing system in natural as well as synthetic rubber-based compounds. The activation energy is observed to be lower when coagulated VP latex is used as a secondary accelerator. All other physical properties are observed to be comparable. It is found that a small amount of coagulated VP ter-polymer is sufficient to increase the reaction rate. However, it is also found that coagulated VP latex alone is not a satisfactory accelerator.
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