Formation of Superhydrophobic Coatings Based on Dispersion Compositions of Hexyl Methacrylate Copolymers with Glycidyl Methacrylate and Silica Nanoparticles.

IF 4.7 3区 工程技术 Q1 POLYMER SCIENCE Polymers Pub Date : 2024-11-01 DOI:10.3390/polym16213094
Viktor V Klimov, Alexey K Shilin, Daniil A Kusakovskiy, Olga V Kolyaganova, Valentin O Kharlamov, Alexander V Rudnev, Manh D Le, Evgeny V Bryuzgin, Alexander V Navrotskii
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Abstract

In the last decade, the task of developing environmentally friendly and cost-effective methods for obtaining stable superhydrophobic coatings has become topical. In this study, we examined the effect of the concentrations of filler and polymer binder on the hydrophobic properties and surface roughness of composite coatings made from organic-aqueous compositions based on hexyl methacrylate (HMA) and glycidyl methacrylate (GMA) copolymers. Silicon dioxide nanoparticles were used as a filler. A single-stage "all-in-one" aerosol application method was used to form the coatings without additional intermediate steps for attaching the adhesive layer or texturing the substrate surface, as well as pre-modification of the surface of filler nanoparticles. As the ratio of the mass fraction of polymer binder (Wn) to filler (Wp) increases, the coatings show the lowest roll-off angles among the whole range of samples studied. Coatings with an optimal mass fraction ratio (Wn/Wp = 1.2 ÷ 1.6) of the filler to polymer binder maintained superhydrophobic properties for 24 h in contact with a drop of water in a chamber saturated with water vapor and exhibited roll-off angles of 6.1° ± 1°.

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基于甲基丙烯酸己酯共聚物与甲基丙烯酸缩水甘油酯和二氧化硅纳米颗粒的分散组合物的超疏水涂层的形成。
近十年来,开发环境友好且成本效益高的方法以获得稳定的超疏水涂层已成为一项热门任务。在这项研究中,我们考察了填料和聚合物粘合剂的浓度对以甲基丙烯酸己酯(HMA)和甲基丙烯酸缩水甘油酯(GMA)共聚物为基础的有机水性组合物制成的复合涂层的疏水性和表面粗糙度的影响。二氧化硅纳米颗粒被用作填料。采用单级 "一体化 "气溶胶喷涂法形成涂层,无需额外的中间步骤来附着粘合剂层或对基材表面进行纹理处理,也无需对填料纳米颗粒的表面进行预改性。随着聚合物粘合剂(Wn)和填料(Wp)质量分数比的增加,涂层在所有研究样品中显示出最小的滚动角。填料与聚合物粘合剂的最佳质量分数比(Wn/Wp = 1.2 ÷ 1.6)的涂层在与水蒸气饱和室中的一滴水接触 24 小时后仍能保持超疏水特性,滚降角为 6.1° ± 1°。
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来源期刊
Polymers
Polymers POLYMER SCIENCE-
CiteScore
8.00
自引率
16.00%
发文量
4697
审稿时长
1.3 months
期刊介绍: Polymers (ISSN 2073-4360) is an international, open access journal of polymer science. It publishes research papers, short communications and review papers. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Polymers provides an interdisciplinary forum for publishing papers which advance the fields of (i) polymerization methods, (ii) theory, simulation, and modeling, (iii) understanding of new physical phenomena, (iv) advances in characterization techniques, and (v) harnessing of self-assembly and biological strategies for producing complex multifunctional structures.
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