Abstract
The influence of carbon black (CB) in a rubber formulation can be observed during the vulcanizationprocess. However, looking through literature there seems to be a lack of information related to the role of CBs in vulcanization reaction. Thepresent work is focused on the application of Model Compound Vulcanization (MCV) approach and Inverse Gas Chromatography (IGC) topredict the role of carbon black on vulcanization.
Squalene was chosen as the model molecule of natural rubber to undergo the vulcanization in thepresence of carbon black. This methodology gives rise to several advantages. On one hand, the model allows following the accelerator, vulcanization intermediate compounds, and even the crosslinked model molecule. Moreover, the similarity between the model and thepolymer chain allows further extrapolation to discover the real sample’sperformance. In order to complete the information required IGC analysis was used. IGC has beenperformed using both dispersive and specificprobes to elucidate a wide range of CB surface active sites.
The application of thisprediction tool to special grades revealed different effects that have been verified with real formulations in both cases.
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Vidal-Escales, E., Diago, M.P. & Borrós, S. Model Compound Vulcanization And IGC Asprediction Tools In Carbon Black Effect On Vulcanization. MRS Online Proceedings Library 731, 811 (2002). https://doi.org/10.1557/PROC-731-W8.11
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DOI: https://doi.org/10.1557/PROC-731-W8.11