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首页> 外文期刊>Materials Research Innovations >Preparation of silver nanoparticles with hydrophobic surface and their polyester based nanocomposite fibres with excellent antibacterial properties
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Preparation of silver nanoparticles with hydrophobic surface and their polyester based nanocomposite fibres with excellent antibacterial properties

机译：具有疏水表面的银纳米颗粒及其具有优异抗菌性能的聚酯基纳米复合纤维的制备

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摘要

Silver nanoparticles with hydrophobic surface (HS-nano-Ag) of small size (<10 nm) and capped by 18 wt-% aliphatic acid were specially designed and prepared to improve their dispersibility in and phase compatibility with a polyester matrix. Polyester based nanocomposites with various HS-nano-Ag contents (0.1, 0.5, 1 and even 20 wt-%) were prepared by melt processing, and the effects of HS-nano-Ag additive on the structure and properties of polyester materials were investigated. The HS-nano-Ag had a fine and homogeneous dispersion in the polyester matrix as determined from transmission electron microscopy analysis. The polyester nanocomposites with lower content (<= 500 ppm) of Ag had good spinnability, and the stress of the resulting fibres remained higher than 2.5 cN dtex(-1) under non-optimised conditions. In addition, the resulting polyester fibres had good antibacterial rate (>96%) against Staphylococcus aureus and Escherichia coli when containing a low content of HS-nano-Ag (100 ppm).
机译：专门设计并制备了疏水表面（HS-nano-Ag）小尺寸（<10 nm）且被18 wt％的脂肪酸​​封端的银纳米颗粒，以改善它们在聚酯基质中的分散性和与相的相容性。通过熔融加工制备了具有多种HS-nano-Ag含量（0.1、0.5、1甚至20 wt％）的聚酯基纳米复合材料，并研究了HS-nano-Ag添加剂对聚酯材料结构和性能的影响。 。从透射电子显微镜分析确定，HS-纳米-Ag在聚酯基质中具有精细且均匀的分散。 Ag含量较低（<= 500 ppm）的聚酯纳米复合材料具有良好的可纺性，并且在未优化的条件下，所得纤维的应力仍高于2.5 cN dtex（-1）。另外，当所得的聚酯纤维含有低含量的HS-纳米-Ag（100ppm）时，对金黄色葡萄球菌和大肠杆菌具有良好的抗菌率（> 96％）。

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  • 来源
    《Materials Research Innovations》 |2014年第4期|S4.869-S4.874|共6页
  • 作者

    Sun Bin; Hua Beibei; Ji Xiaohuan; Shi Yuyuan; Zhou Zhe; Wang Qingmiao; Zhu Meifang;

  • 作者单位

    Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China;

    Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China;

    Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China;

    Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China;

    Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China;

    Youngor Grp Co Ltd, Ningbo 315153, Peoples R China;

    Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Silver nanoparticle; Polyester; Nanocomposite; Fibre; Antibacterial;

    机译：纳米银;聚酯;纳米复合材料;纤维;抗菌;

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