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Fabrication of robust superhydrophobic fabrics based on coating with PVDF/PDMS

机译：基于PVDF / PDMS涂层的鲁棒超疏水织物的制备

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摘要

The functionalization of fabrics is important in both academic research and industrial areas. In this work, poly(ethylene terephthalate) (PET) fabrics were dipped into a solution of PVDF and PDMS in DMF/THF to coat fibers with PVDF/PDMS. Then, the as-coated fabrics with wet PVDF/PDMS were squeezed to remove the residual liquid with a scraping bar and put into a non-solvent water to induce roughening of the PVDF/PDMS coatings on the fibers, through a phase inversion process to obtain robust superhydrophobic PET fabrics. The obtained fabrics show a water contact angle of 164.4 degrees +/- 2.1 degrees and a slide angle less than 4 degrees. The superhydrophobicity of the fabrics was chemically stable in both acidic and alkaline solution, and could endure prolonged UV irradiation. In addition, after 5000 abrasion cycles or 150 times laundering, the coating still maintained superhydrophobicity and had a relatively low sliding angle. Also, the superhydrophobic fabrics displayed excellent self-cleaning properties. This simple process without using expensive equipment can be applied into the practical production of PET fabrics.
机译：织物的官能化在学术研究和工业领域很重要。在这项工作中，将聚（乙二醇酯）（PET）织物（PET）织物浸入PVDF和PDMS中的DMF / THF中的PVDF和PDMS溶液中，用PVDF / PDMS涂覆纤维。然后，挤压具有湿PVDF / pdms的涂覆织物以通过刮棒除去残留液体，并通过相反的方法将PVDF / PDMS涂层的粗糙化诱导粗糙的水诱导。获得强大的超疏水宠物织物。所获得的织物显示出164.4度+/- 2.1度的水接触角，并且滑动角度小于4度。织物的超疏水性在酸性和碱性溶液中具有化学稳定，并且可以延长紫外线辐照。另外，在5000次磨损循环或洗涤150次后，涂层仍保持过疏水性并且具有相对较低的滑动角度。此外，超疏水织物显示出优异的自清洁性能。这种简单的工艺而不使用昂贵的设备可以应用于宠物织物的实际生产。

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  • 来源
    《RSC Advances》 |2016年第88期|共6页
  • 作者

    Xue Chao-Hua; Li Xing; Jia Shun-Tian; Guo Xiao-Jing; Li Min;

  • 作者单位

    Shaanxi Univ Sci &

    Technol Coll Chem &

    Chem Engn Xian 710021 Peoples R China;

    Shaanxi Univ Sci &

    Technol Coll Chem &

    Chem Engn Xian 710021 Peoples R China;

    Shaanxi Univ Sci &

    Technol Coll Resource &

    Environm Xian 710021 Peoples R China;

    Shaanxi Univ Sci &

    Technol Coll Resource &

    Environm Xian 710021 Peoples R China;

    Shaanxi Univ Sci &

    Technol Coll Resource &

    Environm Xian 710021 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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