Kinetic analysis of an asymmetrical DSC peak in the curing of an unsaturated polyester resin catalysed with MEKP and COBALT OCTOATE (cas 13586-82-8)

Add time:08/20/2019    Source:sciencedirect.com

In this paper, the curing of an unsaturated polyester resin catalysed with methyl ethyl ketone peroxide (MEKP) and cobalt octoate as the promoter, is studied at different heating rates. Given the non-symmetrical shape of differential scanning calorimetry (DSC) curves, it has been assumed that they would represent two independent reactions. The objective of this work has been to obtain a set of kinetic parameters for each DSC peak, which describe the overall cure process, using an empirical kinetic model of the form:dαdt=yk1f(α1)+(1−y)k2f(α2)

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