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首页> 外文期刊>Polimery >Effect of sago starch and plasticizer content on the properties of thermoplastic films: mechanical testing and cyclic soaking-drying
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Effect of sago starch and plasticizer content on the properties of thermoplastic films: mechanical testing and cyclic soaking-drying

机译：Sago淀粉和增塑剂含量对热塑性薄膜性能的影响：机械测试和循环浸渍干燥

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摘要

Studies on the effect of sago starch and plasticizer concentrations on the tensile and tearing properties of the produced starch films were carried out using universal testing machine. The results showed that both sago starch and plasticizer contents significantly affected the mechanical properties of starch films. With increasing the starch concentration, an increase in tensile strength was observed. This was accompanied by radically reduced tensile strain and increased tearing strength. On the contrary, when increasing the plasticizer concentration, a reduction in tensile and tearing strength was observed, as well as an increment in tensile strain. The results of repeated soaking and drying tests made on sago starch films showed that the films with high plasticizer and low starch content exhibited lower mass loss compared to those containing lower plasticizer and higher starch concentration. Increasing the number of soaking and drying cycles reduced starch dissolution and it was probably related to retrogradation process inside the film. In a nutshell, the study provided preliminary information to assess the possible application fields of sago starch films.
机译：使用通用试验机进行了对所产生的淀粉膜的拉伸和撕裂性质对所产生的淀粉膜的拉伸和撕裂性能的研究。结果表明，Sago淀粉和增塑剂含量均显着影响淀粉膜的机械性能。随着淀粉浓度的增加，观察到拉伸强度的增加。这伴随着根本缩小的拉伸菌株和增加的撕裂强度。相反，当增加增塑剂浓度时，观察到拉伸和撕裂强度的降低，以及拉伸菌株的增量。对Sago淀粉膜的重复浸泡和干燥试验结果表明，与含有较低的增塑剂和更高的淀粉浓度相比，具有高增塑剂和低淀粉含量的膜表现出较低的质量损失。增加浸泡和干燥循环的数量降低了淀粉溶解，并且它可能与薄膜内的逆行过程有关。简而言之，该研究提供了初步信息，以评估Sago淀粉电影的可能应用领域。

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  • 来源
    《Polimery》 |2019年第6期|共10页
  • 作者

    Halimatul M. J.; Sapuan S. M.; Jawaid M.; Ishak M. R.; Ilyas R. A.;

  • 作者单位

    Univ Putra Malaysia Inst Trop Forestry &

    Forest Prod INTROP Lab Biocomposite Technol Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Inst Trop Forestry &

    Forest Prod INTROP Lab Biocomposite Technol Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Inst Trop Forestry &

    Forest Prod INTROP Lab Biocomposite Technol Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Inst Trop Forestry &

    Forest Prod INTROP Lab Biocomposite Technol Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Inst Trop Forestry &

    Forest Prod INTROP Lab Biocomposite Technol Serdang 43400 Selangor Malaysia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业（高聚物工业）;
  • 关键词

    sago; starch; tensile; tearing; water absorption; crystallinity; film;

    机译：Sago;淀粉;拉伸;撕裂;吸水;结晶性;薄膜;

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