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首页> 外文期刊>RSC Advances >Tuning the gradient structure of highly breathable, permeable, directional water transport in bi-layered Janus fibrous membranes using electrospinning
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Tuning the gradient structure of highly breathable, permeable, directional water transport in bi-layered Janus fibrous membranes using electrospinning

机译：使用静电纺丝调节双层Janus纤维膜中高透气，可渗透的定向水的梯度结构

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摘要

In this paper, a novel bi-layered Janus fibrous electrospun membrane with robust moisture permeable, breathable and directional water transport properties is successfully fabricated and reported for the first time. This fibrous membrane consists of a thin inner layer of hydrophobic thermoplastic polyurethane (TPU) and a thick outer layer of super hydrophilic polyacrylonitrile (PAN). The PAN layer is coated with dopamine (PDA) to tailor the wettability. The subsequent TPU-PAN/PDA membrane demonstrates outstanding wettability and thickness gradients, which facilitate directional water transport from the TPU to the PAN/PDA layer and improve the WVT rate to 9065 g m(-2) d(-1) and the air permeability to 100 mm s(-1) (5.0 times higher than a commercial membrane). Furthermore, a plausible mechanism explaining the bi-layered Janus fibrous membrane performance is studied. The fibrous membrane is suggested to be a promising candidate for various applications, especially in moisture-wicking clothing.
机译：在本文中，一种新颖的Bi层状结构的Janus纤维静电具有强大的透湿，透气性和定向水输运性能膜成功地制造和报道首次。该纤维膜由疏水性的热塑性聚氨酯（TPU）和超亲水性聚丙烯腈（PAN）的厚外层的薄内层。的PAN层涂覆有多巴胺（PDA）到裁缝的润湿性。随后的TPU-PAN / PDA膜表明优秀的润湿性和厚度的梯度，其有利于从TPU到PAN / PDA层定向水运输和提高WVT率9065克（-2）d（-1）和透气性至100mm秒（-1）（5.0倍比商业膜更高）。此外，可行的机制解释Bi层状结构的Janus纤维膜的性能进行了研究。纤维膜建议对各种应用的有希望的候选人，特别是吸湿排汗的服装。

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  • 来源
    《RSC Advances》 |2020年第6期|共10页
  • 作者

    Zhang Yue; Li Ting-Ting; Ren Hai-Tao; Sun Fei; Lin Qi; Lin Jia-Horng; Lou Ching-wen;

  • 作者单位

    Tiangong Univ Innovat Platform Intelligent &

    Energy Saving Text Sch Text Sci &

    Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Innovat Platform Intelligent &

    Energy Saving Text Sch Text Sci &

    Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Innovat Platform Intelligent &

    Energy Saving Text Sch Text Sci &

    Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Innovat Platform Intelligent &

    Energy Saving Text Sch Text Sci &

    Engn Tianjin 300387 Peoples R China;

    Minjiang Univ Ocean Coll Fuzhou 350108 Peoples R China;

    Tiangong Univ Innovat Platform Intelligent &

    Energy Saving Text Sch Text Sci &

    Engn Tianjin 300387 Peoples R China;

    Tiangong Univ Innovat Platform Intelligent &

    Energy Saving Text Sch Text Sci &

    Engn Tianjin 300387 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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