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首页> 外文期刊>Applied Surface Science >Towards superhydrophobic coatings via thiol-ene post-modification of polymeric submicron particles
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Towards superhydrophobic coatings via thiol-ene post-modification of polymeric submicron particles

机译：通过聚合物亚微米颗粒的硫醇-烯后改性形成超疏水涂层

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Superhydrophobic coatings find important applications in consumer, commercial and advanced materials industries. Despite the existing approaches, the variety of substrates and different coating compositions necessitates the availability of several simple and versatile strategies for creating these functional coatings. This work demonstrates a facile and versatile strategy for achieving superhydrophobic coatings via deposition of modified polyvinylidene fluoride (m-PVDF) microparticles and subsequent thiol-ene surface functionalization of the microparticles with perfluorodecyl-1-thiol. The "ene" functionalities of the m-PVDF microparticles are achieved via dehydrofluorination of PVDF. The obtained coatings exhibit up to 160 degrees static water contact angle. We show that the hydrophobic properties of the coatings are dependent upon the surface coverage of the substrate with the microparticles and the functionalization with the perfluorodecyl groups. Raman spectroscopy was used to provide insight into the thiol-ene functionalization of the superhydrophobic coatings. (C) 2018 Elsevier B.V. All rights reserved.
机译：超疏水涂料在消费，商业和先进材料行业中找到重要的应用。尽管存在现有方法，但是基材的多样性和不同的涂料组合物仍需要几种简单且通用的策略来产生这些功能性涂层。这项工作证明了通过沉积改性聚偏二氟乙烯（m-PVDF）微粒以及随后用全氟癸基-1-硫醇对微粒进行的巯基-烯表面官能化来实现超疏水涂层的简便且通用的策略。 m-PVDF微粒的“烯”官能度是通过PVDF的脱氟化氢来实现的。所获得的涂层表现出高达160度的静态水接触角。我们表明，涂层的疏水性取决于具有微粒的基材的表面覆盖率和全氟癸基的官能度。拉曼光谱用于提供对超疏水涂层的硫醇烯官能化的见解。 （C）2018 Elsevier B.V.保留所有权利。

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