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首页> 外文期刊>Applied Surface Science >Facile fabrication of non-sticking superhydrophobic boehmite film on Al foil
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Facile fabrication of non-sticking superhydrophobic boehmite film on Al foil

机译：铝箔上不粘超疏水勃姆石薄膜的简便制备

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摘要

A superhydrophobic boehmite film composed of dual scale microprotrusions has been fabricated on an Al foil via a facile solution-phase approach. The hierarchical microprotrusions are built up of leaf-like nanoplatelets and follow a heterogeneous nucleation, growth and aggregation mechanism. Steric acid molecules chemisorb onto the boehmite film in order to effect hydrophobization. The resulting superhydrophobic surface exhibits a water contact angle of 168° and a sliding angle of ～2.1° for a 5 Μl droplet. The combination of the dual scale roughness and the low surface energy coating accounts for the superhydrophobicity. The superhydrophobic surface has an excellent non-sticking behavior and exhibits anticorrosion in an electrolyte solution, which should be critical to the applications of Al materials in engineering.
机译：通过简便的固溶相方法在铝箔上制备了由双尺度微凸起组成的超疏水勃姆石薄膜。分层的微突起由叶状纳米片构成，并遵循异质形核，生长和聚集机制。硬脂酸分子化学吸附在勃姆石膜上，以实现疏水化作用。对于5微升的液滴，所得的超疏水表面显示出168°的水接触角和〜2.1°的滑动角。双尺度粗糙度和低表面能涂层的结合导致了超疏水性。超疏水表面具有出色的不粘性能，并在电解质溶液中表现出防腐作用，这对于铝材料在工程中的应用至关重要。

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  • 来源
    《Applied Surface Science》 |2012年第22期|p.8928-8933|共6页
  • 作者

    Lijun Liu; Feiyan Xu; Zhenlin Yu; Ping Dong;

  • 作者单位

    College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China;

    College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China;

    College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China;

    College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430073, People's Republic of China;

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

    boehmite; superhydrophobicity; dual scale roughness; anticorrosion;

    机译：勃姆石超疏水性双尺度粗糙度防腐蚀;

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