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首页> 外文期刊>RSC Advances >Self-cleaning pH/thermo-responsive cotton fabric with smart-control and reusable functions for oil/water separation
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Self-cleaning pH/thermo-responsive cotton fabric with smart-control and reusable functions for oil/water separation

机译：自清洗pH /热响应棉织物，具有智能控制和可重复使用的油/水分离功能

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摘要

Nowadays, the environmental problem caused by oily wastewater discharge and crude oil leakage has attracted worldwide attention. Recently developed technologies for oil/water separation have been based mainly on materials with special wettability. In this work, a self-cleaning system with smart-control and reusable functions for oil/water separation has been built on cotton fabric via surface-initiated atom transfer radical polymerization (ATRP) of 2-dimethylaminoethyl methacrylate (DMAEMA). The fabric showed high pH-and thermo-responsibility, which was strongly dependent on the pDMAEMA grafting ratio. And by modulating pH or temperature, the fabric switched from superhydrophilic (WCA similar to 0 degrees) to highly hydrophobic (WCA similar to 130 degrees), and therefore, were suitable both for the separation of water-rich or oil-rich oil/water mixtures as a type of adsorbent material. The fabric could adsorb oil over 4 times its own weight, and reversibly release it in acidic water, making the fabric easily recyclable.
机译：如今，由油性废水排放和原油泄漏引起的环境问题引起了全世界的关注。最近开发的石油/水分离技术主要是基于具有特殊润湿性的材料。在这项工作中，通过2-二甲基氨基甲基丙烯酸甲酯（DMAEMA）的表面引发的原子转移自由基聚合（ATRP），构建了具有智能控制和石油/水分离的可重复使用功能的自清洁系统。该织物显示出高pH-和热责任，强烈依赖于PDMAEMA接枝比。并且通过调节pH或温度，从超硫酸（类似于0度类似的WCA）转换为高度疏水（WCA类似于130度的WCA），因此适用于分离水富含或富含油的油/水混合物作为吸附材料的类型。该织物可以吸附4倍以上的油脂，并可逆地将其释放在酸性水中，使织物容易可回收。

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  • 来源
    《RSC Advances》 |2016年第29期|共7页
  • 作者

    Wu J. D.; Zhang C.; Jiang D. J.; Zhao S. F.; Jiang Y. L.; Cai G. Q.; Wang J. P.;

  • 作者单位

    Zhejiang Sci Tech Univ MOE Key Lab Adv Text Mat &

    Mfg Technol Hangzhou 310018 Zhejiang Peoples R China;

    Zhejiang Sci Tech Univ MOE Engn Res Ctr Ecodyeing &

    Finishing Text Hangzhou 310018 Zhejiang Peoples R China;

    Zhejiang Sci Tech Univ MOE Key Lab Adv Text Mat &

    Mfg Technol Hangzhou 310018 Zhejiang Peoples R China;

    Zhejiang Sci Tech Univ MOE Key Lab Adv Text Mat &

    Mfg Technol Hangzhou 310018 Zhejiang Peoples R China;

    Zhejiang Sci Tech Univ MOE Engn Res Ctr Ecodyeing &

    Finishing Text Hangzhou 310018 Zhejiang Peoples R China;

    Zhejiang Sci Tech Univ MOE Key Lab Adv Text Mat &

    Mfg Technol Hangzhou 310018 Zhejiang Peoples R China;

    Zhejiang Sci Tech Univ MOE Key Lab Adv Text Mat &

    Mfg Technol Hangzhou 310018 Zhejiang 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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