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Multifunctional Superwetting Composite Coatings for Long‐Term Anti‐Icing, Air Purification, and Oily Water Separation
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-03-06 , DOI: 10.1002/admi.202000013 Zhen Xiao 1 , Haiyan Zhu 1 , Shanlin Wang 2 , Wenzhe Dai 1 , Wen Luo 1 , Xinquan Yu 1 , Youfa Zhang 1
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-03-06 , DOI: 10.1002/admi.202000013 Zhen Xiao 1 , Haiyan Zhu 1 , Shanlin Wang 2 , Wenzhe Dai 1 , Wen Luo 1 , Xinquan Yu 1 , Youfa Zhang 1
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It is an important tendency to develop a durable superwetting coating for potential applications. However, its application, integration and evaluation mechanism in specific application environments are still inadequate toward practical applications. Herein, a universal approach to fabricate ultra‐stable and multifunctional superhydrophobic composite coating with superoleophobicity or superoleophilicity using cross‐linked composite resin as reinforcement is reported. The nano‐porous structure with extremely low surface energy is endowed with excellent mechanical stability, to greatly extend service life in the anti‐fouling, anti‐icing, air purification, and oily water separation fields. The anti‐icing tests show that the ice shear force is still below 20 kPa after the 200th finger wear, 30th abrasion tester wear, or 20th freeze–thaw cycle. For air purification, the weight increments from steam and dust are only 7.1% after moisturizing 240 min and 8% after filter‐cleaning five cycles, respectively. Moreover, the crude oil flux reaches up to 53 629 L·m−2·h−1 on the stainless steel wire treated with superhydrophobic–superoleophilic composite coating, and its separation efficiency is still above 99.5% after separating 55 cycles. These multiple key properties that have been integrated into the composite coating are expected to promote the superwetting coating to be used in everyday life and industry.
中文翻译：
多功能超湿复合涂料，可长期防结冰，空气净化和油水分离
开发用于潜在应用的耐用超湿涂层是一种重要的趋势。但是，它在特定应用环境中的应用，集成和评估机制仍然不足以实现实际应用。本文报道了一种通用方法，该方法使用交联复合树脂作为增强材料来制备具有超疏油性或超亲油性的超稳定和多功能的超疏水复合涂料。具有极低表面能的纳米多孔结构具有出色的机械稳定性，从而大大延长了防污，防冰，空气净化和油水分离领域的使用寿命。防冰测试表明，在第200次手指磨损，第30次磨损测试仪磨损或第20次冻融循环之后，冰的剪切力仍低于20 kPa。对于空气净化，加湿240分钟后，蒸汽和粉尘的重量增量仅为7.1％，而过滤器清洗5个循环后，重量增量仅为8％。此外，原油通量达到53629 L·m在经过超疏水-超亲油性复合涂层处理的不锈钢丝上，−2 ·h -1分离55次后其分离效率仍高于99.5％。这些已经整合到复合涂层中的关键特性有望促进超湿涂层在日常生活和工业中的应用。
更新日期：2020-03-06
中文翻译：
多功能超湿复合涂料，可长期防结冰，空气净化和油水分离
开发用于潜在应用的耐用超湿涂层是一种重要的趋势。但是，它在特定应用环境中的应用，集成和评估机制仍然不足以实现实际应用。本文报道了一种通用方法，该方法使用交联复合树脂作为增强材料来制备具有超疏油性或超亲油性的超稳定和多功能的超疏水复合涂料。具有极低表面能的纳米多孔结构具有出色的机械稳定性，从而大大延长了防污，防冰，空气净化和油水分离领域的使用寿命。防冰测试表明，在第200次手指磨损，第30次磨损测试仪磨损或第20次冻融循环之后，冰的剪切力仍低于20 kPa。对于空气净化，加湿240分钟后，蒸汽和粉尘的重量增量仅为7.1％，而过滤器清洗5个循环后，重量增量仅为8％。此外，原油通量达到53629 L·m在经过超疏水-超亲油性复合涂层处理的不锈钢丝上，−2 ·h -1分离55次后其分离效率仍高于99.5％。这些已经整合到复合涂层中的关键特性有望促进超湿涂层在日常生活和工业中的应用。
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