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Thermoresponsive PNIPAAm-modified cotton fabric surfaces that switch between superhydrophilicity and superhydrophobicity

机译:在超亲水性和超疏水性之间切换的热响应性PNIPAAm改性棉织物表面

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摘要

Thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) was grafted onto the cotton fabric by atom transfer radical polymerization (ATRP). Introducing 1 H,l H,2H,2H-perfluorodecyltriethoxysilane (PFDTS) onto the surface, the density of PNIPAAm chains can be adjusted because of the competitive reactions of (3-aminopropyl) triethoxysilane (APS) and PFDTS. With the appropriate ratio of APS and PFDTS, the cotton fabric can be switched from superhydrophilic to superhydrophobic by controlling temperature. The prepared cotton fabric may find application in functional textiles, soft and folding superhydrophobic materials.
机译:通过原子转移自由基聚合(ATRP)将热敏性聚(N-异丙基丙烯酰胺)(PNIPAAm)接枝到棉织物上。在表面上引入1 H,1 H,2H,2H-全氟癸基三乙氧基硅烷(PFDTS),由于(3-氨丙基)三乙氧基硅烷(APS)和PFDTS的竞争反应,可以调节PNIPAAm链的密度。通过适当的APS和PFDTS比例,可以通过控制温度将棉织物从超亲水性切换为超疏水性。制备的棉织物可用于功能性纺织品,柔软和折叠的超疏水材料中。

著录项

  • 来源
    《Applied Surface Science》 |2012年第11期|p.4888-4892|共5页
  • 作者单位

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China,Graduate School, Chinese Academy of Sciences, Beijing 100039, PR China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;

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

    thermoresponsive; cotton fabric; superhydrophobic surface; ATRP;

    机译:热响应性棉织物;超疏水表面空中交通管制;

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