Valorisation du divinylglycol (DVG), dérivé du glycérol, pour la synthèse de polymères originaux

Abstract : In the context of the development of bio-refineries, glycerol and its derivatives areco-products of oleochemistry for which new valorization routes must be found. This thesisdeals with the polymerizability study of a glycerol derivative, divinylglycol (DVG), asymmetrical C-6 monomer which bears a vicinal diol and two vinyl functions. In this work, thereactivity of the hydroxyl and vinyl functions of DVG in polycondensation and polyadditionreactions was studied. In a first step, the synthesis of polyesters and polyurethanes wascarried out by reaction of DVG with biosourced diesters and diisocyanates, respectively. Thevinyl functions of DVG were then used to synthesize original polymers by ADMETpolymerization and thiol-ene addition. Finally, three-dimensional epoxy-amine networkswere prepared by polymerization between a series of diamines and the bis-epoxidized DVG,previously obtained by oxidation of the double bonds. These different methods ofpolymerization showed that DVG double bonds were more reactive than the alcohol functionsand that a panel of original polymers could be obtained from this bio-sourced synthon.
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Léa Bonnot. Valorisation du divinylglycol (DVG), dérivé du glycérol, pour la synthèse de polymères originaux. Autre. Université de Bordeaux, 2017. Français. ⟨NNT : 2017BORD0828⟩. ⟨tel-01738246⟩



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