壳聚糖-淀粉共混膜的力学和热性能改性( Modification of mechanical and thermal property of chitosan–starch blend films )

MO Tuhin N Rahman ME Haque RA Khan NC Dafader R Islam M Nurnabi W Tonny Experimental/ biodegradable materials casting elongation organic compounds scanning electron microscopy tensile strength thermal analysis/ chitosan-starch blend film casting glycerol mustard oil 2-hydroxyethyl methacrylate gamma radiation tensile strength elongation water uptake thermogravimetric analysis dynamic mechanical analysis thermal degradation scanning electron microscopy FTIR spectra morphology molecular interaction/ A8140L Deformation, plasticity and creep A6140K Structure of polymers, elastomers, and plastics A6220F Deformation and plasticity A8120S Preparation of polymers and plastics

采用流延法制备了壳聚糖-淀粉共混膜（厚度0.2mm)。为了改善壳聚糖-淀粉膜的性能，采用了不同组成的甘油和芥菜油。用甲基丙烯酸羟乙酯(HEMA)对壳聚糖-淀粉膜进行了γ辐射改性。研究了改性膜的拉伸强度、断裂伸长率、吸水率、TGA、DMA、SEM、FTIR等性能。结果表明，用芥菜油对壳聚糖-淀粉共混膜进行改性，改善了共混膜的性能，并可进一步用HEMA对共混膜进行γ辐射改性。

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