Abstract
In this paper, for the first time a vinyl ester prepolymer was synthesized from epoxided dicyclopentadiene prepolymer commercialized under the trade name Tactix 756. Indeed this molecule has an interesting chemical structure with aromatic and aliphatic rings, for use in composite materials. Also, it is an industrial compound that presents the advantage to be a non-classified harmful compound. A new synthesis way has been established: the synthesis of the Tactix methacrylated carried out directly in the presence of styrene, which plays both the role of solvent during the methacrylation reaction and the purification, and as reactive diluent for reducing the viscosity and prepare VE materials. This process is very interesting and avoids the use of solvent for the preparation of the VE materials. Three VE materials have been performed with different proportions of styrene. These obtained materials have a good thermal stability, up to 400°C and have a Tg from 153 to 169°C, for 61wt% and 35wt% of styrene, respectively. These Tg values are high compare to Tg value of standard based on Diglycidyl Ether of Bisphenol A methacrylated.
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