Superhydrophobic aluminum alloy surface with excellent universality, corrosion resistance, and antifouling performance prepared without prepolishing,Materials and Corrosion

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Superhydrophobic aluminum alloy surface with excellent universality, corrosion resistance, and antifouling performance prepared without prepolishing
Materials and Corrosion ( IF 1.6 ) Pub Date : 2020-09-06 , DOI: 10.1002/maco.202011937
Libang Feng ₁ , Firdavs Sultonzoda ₁ , Jing Wang ₁ , Haitao Wang ₁ , Fengxin Xue ₁

Affiliation

It is urgently necessary to seek more simple and effective methods to construct superhydrophobic metal surfaces to improve the corrosion resistance and antifouling performance. Herein, a facile method for fabricating superhydrophobic aluminum alloy surface is developed via boiling water treatment and stearic acid modification. It is noteworthy that no prepolishing on aluminum alloy is required and no caustic reagents and typical equipments are used during the preparation procedure. Therefore, the fabrication method is quite a simple and environment‐friendly technique. Both micro‐ and nano‐scaled binary structure forms at the resultant aluminum alloy surface while long alkyl chains are grafted onto the rough aluminum alloy surface chemically. Consequently, the resultant aluminum alloy exhibits outstanding superhydrophobicity. More importantly, the superhydrophobicity has excellent universality, diversity, stability, excellent corrosion resistance, and antifouling performance. The facile preparation, excellent superhydrophobic durability, and outstanding performance are quite in favor of the practical application.

中文翻译：

无需预抛光即可制备的具有优异通用性，耐腐蚀性和防污性能的超疏水铝合金表面

迫切需要寻找更简单有效的方法来构造超疏水金属表面，以提高耐蚀性和防污性能。在此，通过沸水处理和硬脂酸改性开发了一种用于制造超疏水铝合金表面的简便方法。值得注意的是，在制备过程中不需要在铝合金上进行预抛光，也不需要使用腐蚀性试剂和典型设备。因此，制造方法是一种非常简单且环保的技术。在最终的铝合金表面上同时形成了微米级和纳米级的二元结构，而长烷基链则化学接枝到了粗糙的铝合金表面上。因此，所得铝合金表现出优异的超疏水性。更重要的是，超疏水性具有优异的通用性，多样性，稳定性，优异的耐腐蚀性和防污性能。简便的制备方法，优异的超疏水耐久性和出色的性能非常适合实际应用。

更新日期：2020-09-06

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