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    ARTICLE

    Synthesis of Oligo(butylene succinate)-based Polyurethanes: Infl uence of the Chemical Structure on Thermal and Mechanical Properties

    L. Poussard1,*, A. Mecheri1, J. Mariage1, I. Barakat1, L. Bonnaud1, J.-M. Raquez1,2, P. Dubois1,2

    Journal of Renewable Materials, Vol.2, No.1, pp. 13-22, 2014, DOI:10.7569/JRM.2013.634132

    Abstract Biobased oligo(butylene succinate)-based thermoplastic polyurethanes (TPUs) were prepared following a twostep polymerization process: condensation of succinic acid and butanediol and the chain extension of resulting hydroxyl-terminated butylene succinate oligomers (OBS) in the presence of butanediol as chain extender and isophorone diisocyanate (IPDI) as coupling agent. Mechanical and thermal properties of the elaborated TPUs were evaluated in terms of hard segment and compared with those of commercial polybutylene succinate (PBS), Bionolle 1001. Whatever the compositions, the ultimate tensile properties of OBS-based TPUs and Bionolle 1001 were found to exhibit similar values (εr ≈ 400%, σr ≈ 40 More >

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