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    ARTICLE

    Biobased Vanillic Acid and Ricinoleic Acid: Building Blocks for Fully Renewable Copolyesters

    Claudio Gioia*, Maria Barbara Banella, Grazia Totaro, Micaela Vannini, Paola Marchese, Martino Colonna, Laura Sisti, Annamaria Celli

    Journal of Renewable Materials, Vol.6, No.1, pp. 126-135, 2018, DOI:10.7569/JRM.2017.634191

    Abstract New fully biobased polyether/esters have been synthesized by a one-pot polymerization reaction of ricinoleic acid (RA), vanillic acid (VA) and ethylene carbonate (EC). In particular, EC selectively reacts with the phenolic group of VA to obtain in-situ 4-(2-hydroxyethoxy)-3-methoxybenzoate (EV), suitable for subsequent copolymerization with RA. The procedure was carried out in a single step, without any solvent. Chemical structure and thermal properties of the new materials were studied in order to explore relationships between composition and final performances. The combination of EV, bearing a rigid aromatic structure, with RA, characterized by high flexibility and potential More >

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