材料科学
润滑油
莲花效应
接触角
表面光洁度
织物
磨损(机械)
复合材料
表面改性
聚酯纤维
表面张力
表面粗糙度
纳米技术
多孔性
化学工程
工程类
物理
有机化学
化学
量子力学
原材料
作者
Cicely Shillingford,Noah MacCallum,Tak Sing Wong,Philseok Kim,Joanna Aizenberg
出处
期刊:Nanotechnology
[IOP Publishing]
日期:2013-12-11
卷期号:25 (1): 014019-014019
被引量:91
标识
DOI:10.1088/0957-4484/25/1/014019
摘要
The development of a stain-resistant and pressure-stable textile is desirable for consumer and industrial applications alike, yet it remains a challenge that current technologies have been unable to fully address. Traditional superhydrophobic surfaces, inspired by the lotus plant, are characterized by two main components: hydrophobic chemical functionalization and surface roughness. While this approach produces water-resistant surfaces, these materials have critical weaknesses that hinder their practical utility, in particular as robust stain-free fabrics. For example, traditional superhydrophobic surfaces fail (i.e., become stained) when exposed to low-surface-tension liquids, under pressure when impacted by a high-velocity stream of water (e.g., rain), and when exposed to physical forces such as abrasion and twisting. We have recently introduced slippery lubricant-infused porous surfaces (SLIPS), a self-healing, pressure-tolerant and omniphobic surface, to address these issues. Herein we present the rational design and optimization of nanostructured lubricant-infused fabrics and demonstrate markedly improved performance over traditional superhydrophobic textile treatments: SLIPS-functionalized cotton and polyester fabrics exhibit decreased contact angle hysteresis and sliding angles, omni-repellent properties against various fluids including polar and nonpolar liquids, pressure tolerance and mechanical robustness, all of which are not readily achievable with the state-of-the-art superhydrophobic coatings.
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