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    Properties of water-soluble carboxymethyl chitosan film modified by hydrophobic poly(propylene glycol)

    Year: 2013

    Journal: Chemical Papers, 2013, 67 (4), pp 423-428, 20130926

    Authors: Guo-Quan Zhu, Fa-Gang Wang, Yu-Ying Liu, Qiao-Chun Gao

    Organizations: School of Materials Science and Engineering, Shandong University of Technology, 255049 Zibo, China

    A series of water-soluble carboxymethyl chitosan (CMCS)/poly(propylene glycol) (PPG) blend films with various CMCS/PPG mole ratios were prepared by the solution casting method. Morphology of the CMCS/PPG blend films was investigated by scanning electron microscopy (SEM). Thermal, mechanical, and chemical properties of the CMCS/PPG blend films were studied by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), tensile tests, and contact angle tests. It was found that the introduction of PPG can markedly affect the morphology and the properties of CMCS films.