Abstract
Derivative of zinc dithiocarbamate of piperazine (ZDPC) prepared in the laboratory acts as an accelerator for the vulcanization of natural rubber latex based formulations. The ZDPC synthesized in our laboratory was characterized by FTIR spectroscopy, UV-Visible spectroscopy and CHNS analysis. Results of the MTT assay show that the ZDPC is a safe (non-carcinogenic) rubber chemical. For comparable dosages of the accelerator, the ZDPC based natural rubber latex vulcanizates show improved mechanical properties as compared to zinc diethyl dithiocarbamate (ZDEC) based vulcanizates. ZDPC may be considered as a safe replacement for the nitrosamine generating ZDEC in natural rubber latex based formulations.
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