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首页> 外文期刊>Langmuir: The ACS Journal of Surfaces and Colloids >Slippery Liquid-Infused Porous Surfaces (SLIPS) Using Layer-by-Layer Polyelectrolyte Assembly in Organic Solvent
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Slippery Liquid-Infused Porous Surfaces (SLIPS) Using Layer-by-Layer Polyelectrolyte Assembly in Organic Solvent

机译：使用逐层聚电解质组件在有机溶剂中使用层的液体注入多孔表面（滑动）

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摘要

Slippery liquid-infused porous surfaces (SLIPS) have potential impact on a wide range of industries, including healthcare, food packaging, and automobile. A tremendouseffort has been focused on developing novel fabrication methods for making SLIPS. However, current fabrication methods usually involve harsh conditions and complicated postfabrication modifications or are limited to specific substrates. Presented here is a novel method for the fast and facile fabrication of SLIPS. Layer-by-layer (LBL) assembly of branched polyethylenimine and Nafion, a perfluorinated polyelectrolyte, is performed with methanol as the solvent. Hierarchically rough and superhydrophobic surface is obtained directly without further modification on various substrates. The surface properties are shown to highly depend on the LBL assembly parameters, including deposition cycles, dipping time, rinsing time, and drying time between baths. The polyelectrolyte multilayers obtained with this method are infused with Krytox 100 to form SLIPS surfaces, which show excellent omniphobic, antifouling, self-cleaning, flexible, and optical properties. The result of this study not only simplifies the fabrication of SLIPS surfaces, but also provides great insight for making LBL films with specific morphologies.
机译：光滑的液体注入多孔表面（Slips）对各种行业的潜在影响，包括医疗保健，食品包装和汽车。 TremendouteFFORT一直专注于开发用于制作滑动的新型制造方法。然而，目前的制造方法通常涉及苛刻的条件和复杂的后休息修改或限于特定基材。这里提出的是一种新型的速度和容易制造滑动的方法。用甲醇作为溶剂进行支化聚乙烯亚胺和Nafion的层逐层（LBL）组装，是全氟化聚电解质。直接获得分层粗糙和超疏水表面，无需进一步修改各种基材。表面特性显示高度取决于LBL组装参数，包括沉积循环，浸渍时间，漂洗时间和浴之间的干燥时间。用该方法获得的聚电解质多层注入与Krytox 100形成以形成滑动表面，其显示出优异的无核，防污，自清洁，柔性和光学性质。该研究的结果不仅简化了滑动表面的制造，而且还提供了对具有特异性形态的LBL薄膜的良好见解。

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