The object of this paper is to provide a better understanding of the reaction kinetics and rheological changes of vinyl ester resins at low temperatures. In this study, the rheological change was followed by a Rheometrics Dynamics Analyzer (RDA). A differential scanning calorimeter (DSC) coupled with a Fourier transform infrared (FTIR) spectroscopy were used to measure the reaction kinetics of vinyl ester resins with different promoter and styrene contents. A kinetic model based on the free radical polymerization mechanism was developed for simulating the reaction rates and conversions of styrene vinyl and vinyl ester vinylene groups. Comparisons of the simulation results with experimental data showed good agreement.
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