基于氟化短支链的聚丙烯酸酯乳液及超疏水氟化聚丙烯酸酯/SiO2杂化涂层的制备

IF 4.5 2区化学 Q2 POLYMER SCIENCE

Polymer Pub Date : 2025-06-06 DOI:10.1016/j.polymer.2025.128657

Shiyi Liu , Hao Hu , Min Sha , Ding Zhang , Biao Jiang

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引用次数: 0

摘要

成功合成了一种含全氟支链短链基团的新型氟化甲基丙烯酸酯单体（FMA），并采用两步种子乳液聚合法制备了不同氟含量的核壳乳液。采用傅里叶红外光谱（FTIR）、动态光散射（DLS）和透射电子显微镜（TEM）对氟化聚丙烯酸酯（PFA）乳液进行了表征。采用制备的氟化聚丙烯酸酯（PFA）乳液和硅溶胶，开发了一种简便的一步喷雾方法，可获得具有高效拒水性的基材。该涂层的水接触角（WCA）可达152°，且水滴可自由脱落。此外，还对几种不同的基材进行了涂覆，所有的基材都表现出超疏水性，以验证涂层的普遍性，并且涂层在这些基材上具有良好的附着力。涂布棉织物还具有一定的防污性能和耐酸碱性能。这些与基材无关的涂层在许多领域都有应用潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Preparation of polyacrylate emulsion and superhydrophobic fluorinated polyacrylate /SiO2 hybrid coating based on fluorinated short branched chains

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Preparation of polyacrylate emulsion and superhydrophobic fluorinated polyacrylate /SiO2 hybrid coating based on fluorinated short branched chains

A novel fluorinated methacrylate monomer (FMA) containing perfluorinated branched-short chain groups was successfully synthesized, and core-shell emulsions with different fluorine contents were prepared by two-step seed emulsion polymerization. The fluorinated polyacrylate (PFA) emulsion was characterized by fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS) and transmission electron microscopy (TEM). By using of the prepared fluorinated polyacrylate (PFA) emulsion and silica sol, a convenient one-step spray method that led to substrates with efficient water repellency was developed. The water contact angle (WCA) of these coatings was up to 152°, and the water droplets can fall off freely. In addition, several varies substrates were coated and all of them exhibited superhydrophobicity in order to verify the universality of the coating, and the coatings had good adhesion on these substrates. The coated cotton fabric also had certain anti-fouling properties and acid-base resistance. These substrate independent coatings have the potential to be used in many fields.

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来源期刊

Polymer 化学-高分子科学

CiteScore

7.90

自引率

8.70%

发文量

959

审稿时长

32 days

期刊介绍： Polymer is an interdisciplinary journal dedicated to publishing innovative and significant advances in Polymer Physics, Chemistry and Technology. We welcome submissions on polymer hybrids, nanocomposites, characterisation and self-assembly. Polymer also publishes work on the technological application of polymers in energy and optoelectronics. The main scope is covered but not limited to the following core areas: Polymer Materials Nanocomposites and hybrid nanomaterials Polymer blends, films, fibres, networks and porous materials Physical Characterization Characterisation, modelling and simulation* of molecular and materials properties in bulk, solution, and thin films Polymer Engineering Advanced multiscale processing methods Polymer Synthesis, Modification and Self-assembly Including designer polymer architectures, mechanisms and kinetics, and supramolecular polymerization Technological Applications Polymers for energy generation and storage Polymer membranes for separation technology Polymers for opto- and microelectronics.