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Investigation of the Structure and Properties of Silk Fibers Produced by Actias lunas

机译：猕猴桃丝纤维的结构与性能研究

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摘要

This paper reports the structure and properties of silk fibers produced by Actias lunas in comparison to Bombyx mori and the common wild silks. Considerable efforts are being made to find new sources for natural silk and also to develop regenerated protein fibers to supplement the limited amounts of B. mori and wild silks available in the market. In addition, it has been found that non-traditional silks have unique properties and utilizing uncommon wild silks can provide income and employment to indigenous people where the wild silks are found. Actias lunas belongs to the Saturniidae family of silk producing insects. However, the structure and properties of silk produced by A. lunas have not been studied. This research showed that the silk fibers produced by the luna moth had morphological and physical structure similar to that of the common wild silks but tensile properties similar to that of B. mori silk. A. lunas silk fibers are composed of higher amounts of hydrophobic amino acids and had much less glycine than B. mori and common wild silks. With a fineness of 2 denier, breaking tenacity of 4.3 g/den and breaking elongation of 10.9 %, the tensile properties of A. lunas silk fibers were similar to that of B. mori and much better than that of the common wild silks that are coarser and have lower breaking tenacity. A. lunas fibers show good potential to be useful for applications currently using B. mori silk.
机译：本文报道了Actias lunas与桑蚕和普通野生蚕丝相比，其蚕丝纤维的结构和性能。为了寻找天然丝的新来源并开发再生的蛋白纤维以补充市场上有限数量的桑蚕和野生丝，人们付出了巨大的努力。另外，已经发现非传统丝绸具有独特的性质，利用不常见的野生丝绸可以为发现野生丝绸的土著人民提供收入和就业。 Actias lunas属于制丝昆虫的Saturniidae家族。然而，尚未研究由月季假单胞菌生产的丝绸的结构和性能。研究表明，月蛾生产的蚕丝纤维的形态和物理结构与普通野生蚕丝相似，但拉伸性能与桑蚕丝相似。与桑蚕和普通野生丝相比，鲁纳斯丝纤维由较高数量的疏水性氨基酸组成，甘氨酸少得多。细度为2旦，断裂强度为4.3 g / den，断裂伸长率为10.9％，月牙那丝纤维的拉伸性能与桑蚕相似，远胜于普通野生丝。较粗，断裂韧性较低。 A. lunas纤维显示出很好的潜力，可用于当前使用B. mori丝的应用。

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  • 来源
    《Journal of Polymers and the Environment》 |2012年第3期|p.659-664|共6页
  • 作者

    Narendra Reddy; Yiqi Yang;

  • 作者单位

    Department of Textiles, Merchandising and Fashion Design, University of Nebraska- Lincoln, 234, HECO Building, East Campus, Lincoln, NE 68583-0802, USA;

    Department of Textiles, Merchandising and Fashion Design, University of Nebraska- Lincoln, 234, HECO Building, East Campus, Lincoln, NE 68583-0802, USA,Department of Biological Systems Engineering, University of Nebraska- Lincoln, 234, HECO Building, East Campus, Lincoln, NE 68583-0802, USA,Nebraska Center for Materials and Nanoscience, University of Nebraska- Lincoln, 234, HECO Building, East Campus, Lincoln, NE 68583-0802, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    actias lunas; silk fibers; wild silks; properties;

    机译：猕猴桃蚕丝纤维野蚕丝;属性;

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