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    POLYCARBONATE URETHANE-HYDROXYPROPYL CELLULOSE MEMBRANES WITH ZINC OXIDE NANOPARTICLES

    Year: 2015

    Journal: CELLULOSE CHEMISTRY AND TECHNOLOGY, Vol. 49, p 905-913, 20170208

    Authors: Vlad, Stelian; Gradinaru, Luiza M.; Ciobanu, Constantin; Macocinschi, Doina; Filip, Daniela; Spiridon, Iuliana; Gradinaru, Robert V.

    Organizations: Petru Poni Inst Macromol Chem, 41A Grigore Ghica Voda Alley, Iasi 700487, Romania; Alexandru Ioan Cuza Univ, Dept Chem, Iasi 700506, Romania

    Polycarbonate urethane-hydroxypropyl cellulose (PCU-HPC) membranes were synthesized and the impact of adding progressive amounts of zinc oxide nanoparticles (ZnONPs) on the morphological, thermal, mechanical, wetting and antibacterial properties of the membranes was investigated. Materials characterization was performed by Fourier transform infrared spectroscopy (FTIR), environmental scanning electron microscopy (ESEM), thermogravimetric analysis (TGA), dynamic vapour sorption (DVS), contact angle (CA) and mechanical testing. Results showed that Young's modulus and tensile strength increased, while elongation at break decreased. All membranes presented good antibacterial activity against Escherichia coli.