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Article Dans Une Revue European Polymer Journal Année : 2015

Toward replacement of styrene by bio-based methacrylates in unsaturated polyester resins

Résumé

Several potentially bio-based methacrylate derivatives, namely (with mol.% of bio-based carbon), butanediol dimethacrylate (BDDMA) (33%), isobornyl methacrylate (IBOMA) (71%), lauryl methacrylate (LMA) (75%) have been evaluated as alternatives to styrene as reactive diluent of unsaturated polyester (UPR). First the compatibility of these compounds with SMC/BMC processes has been studied in terms of volatility, miscibility with UPR and viscosity. Based on these preliminary experiments, butanediol dimethacrylate (BDDMA) was selected as sole reactive diluent. The thermo-mechanical and mechanical properties of the resulting network were found to be very different from the ones of a UPR/MMA network prepared as a reference. Consequently, mixtures constituted of BDDMA and one monomethacrylate derivative (MMA, IBOMA and LMA) were then used as reactive diluents to yield networks owning a large range of mechanical behaviours.
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Dates et versions

hal-01221479 , version 1 (28-10-2015)

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Sylvain Cousinet, Ali Ghadban, Etienne Fleury, Frédéric Lortie, Jean-Pierre Pascault, et al.. Toward replacement of styrene by bio-based methacrylates in unsaturated polyester resins. European Polymer Journal, 2015, 67, pp.539-550. ⟨10.1016/j.eurpolymj.2015.02.016⟩. ⟨hal-01221479⟩
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