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首页> 外文期刊>Polymer Testing >Biobased super-hydrophobic coating on cotton fabric fabricated by spray coating for efficient oil/water separation
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Biobased super-hydrophobic coating on cotton fabric fabricated by spray coating for efficient oil/water separation

机译:通过喷涂为有效的油/水分离制造的棉织物上的Biobased超疏水涂层

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摘要

Super-hydrophobic materials for oil/water separation are usually prepared from non-renewable feedstocks, which does not coincide with the sense of sustainable development. Herein, we report a sustainable super hydrophobic material fabricated via a simple spray-coating method from biobased feedstocks including epoxidized soybean oil, sebacic acid, stearic acid, zinc oxide and cotton fabric. Rough surface structure was successfully constructed by spraying epoxidized soybean oil (ESO) with sebacic acid (SA) and nano-ZnO. After modification with stearic acid (STA), the surface became super-hydrophobic with a water contact angle (WCA) of 155. The super-hydrophobic fabric shows excellent stability without losing super-hydrophobicity after immersion in water and oil for several days. The super-hydrophobic fabric can selectively separate water mixtures with various oily liquids with separation efficiency higher than 97.5%. With high separation efficiency and excellent stability, the biobased super-hydrophobic fabric can be used as a sustainable and eco-friendly oil/water separation material.
机译:用于油/水分离的超级疏水材料通常由不可再生原料制备,这与可持续发展感不重要。在此,我们报告了通过来自生物原料的简单喷涂法制造的可持续超疏水材料,包括环氧化大豆油,癸二酸,硬脂酸,氧化锌和棉织物。通过用癸二酸(SA)和纳米ZnO将环氧化大豆油(ESO)喷涂粗糙表面结构。在用硬脂酸(STA)进行修饰后,表面变得超级疏水,其具有155的水接触角(WCA)。超级疏水性织物在浸入水和油后浸泡后,优异疏水性织物显示出优异的稳定性。超疏水性织物可以选择性地将水混合物与各种油性液体分开,分离效率高于97.5%。具有高分离效率和优异的稳定性,生物化的超疏水性织物可用作可持续和环保的油/水分离材料。

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