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A Study of Physicomechanical and Morphological Properties of Starch/Poly(vinylalcohol) Based Films

机译：淀粉/聚乙烯醇基薄膜的物理力学和形态学特性研究

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摘要

Starch/Poly(vinylalcohol) blends in two different ratios (60:40 and 50:50) were prepared with glycerol as a plasticizer. Films were cast by a solution casting method. One set of films were filled with 10 wt% of unmodified bentonite clay and another set of films were crosslinked with epichlorohydrin in an alkaline medium. The prepared film samples were subjected to X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), mechanical characterization and scanning electron microscope (SEM). Significant changes in the tensile properties were observed depending on the different chemical constituents of the films. The presence of clay and crosslinking with epichlorohydrin were both found to have considerable effect on the morphology and mechanical property of the films. The SEM investigations, XRD analysis and FTIR studies revealed the interaction between the various chemical components of the films.
机译：用甘油作为增塑剂制备两种不同比例（60:40和50:50）的淀粉/聚乙烯醇。通过溶液流延法流延膜。一组膜填充有10 wt％的未改性膨润土，另一组膜在碱性介质中与环氧氯丙烷交联。将制备的膜样品进行X射线衍射（XRD），傅立叶变换红外光谱（FTIR），机械表征和扫描电子显微镜（SEM）。观察到拉伸性能的显着变化，这取决于薄膜的不同化学成分。发现粘土的存在和与表氯醇的交联都对薄膜的形态和机械性能有相当大的影响。 SEM研究，XRD分析和FTIR研究揭示了膜的各种化学成分之间的相互作用。

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  • 来源
    《Journal of Polymers and the Environment》 |2009年第1期|56-63|共8页
  • 作者

    Dipa Ray; Papri Roy; Suparna Sengupta; Siba Prasad Sengupta; Amar K. Mohanty; Manjusri Misra;

  • 作者单位

    Department of Polymer Science & Technology, University College, of Science and Technology, University of Calcutta, 92, A.P.C Road, Kolkata 700009, India;

    Department of Polymer Science & Technology, University College, of Science and Technology, University of Calcutta, 92, A.P.C Road, Kolkata 700009, India;

    Indian Association for the Cultivation of Science, 2 A & B Raja S.C. Mallick Road, Calcutta 700032, India;

    Indian Association for the Cultivation of Science, 2 A & B Raja S.C. Mallick Road, Calcutta 700032, India;

    Department of Plant Agriculture & School of Engineering, Crop Science Building, University of Guelph, Guelph, ON N1G 2W1, Canada;

    School of Engineering and the Department of Plant Agriculture, Thornbrough Building, University of Guelph, Guelph, ON N1G 2W1, Canada;

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  • 正文语种 eng
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  • 关键词

    starch; poly(vinylalcohol); clay; X-ray diffraction study; tensile properties; surface morphology;

    机译：淀粉;聚乙烯醇）;粘土;X射线衍射研究;拉伸性能表面形态;

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