基于六氟丙烯三聚体的具有全氟烷基取代基的寡聚丙烯酸酯作为环保型疏水性涂料

IF 1.7 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Fluorine Chemistry Pub Date : 2024-11-01 DOI:10.1016/j.jfluchem.2024.110369

P.D. Shkinev , M.I. Shagidanova , G.V. Cherkaev , F.V. Drozdov

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引用次数: 0

摘要

最有效的聚合物防水剂包括含有全氟烷基添加剂的丙烯酸聚合物。然而，由于《关于持久性有机污染物的斯德哥尔摩公约》禁止使用含有超过 6 个碳原子的长全氟烷基线性链的物质，因此亟需用经批准的类似物来替代它们。这项研究考虑了基于市售六氟丙烯三聚体的替代丙烯酸酯及其在超临界二氧化碳介质中聚合的最便捷方法以及在各类表面上的疏水能力。基于这些低聚物获得的涂层在玻璃和铝上的接触角高达 111 °，在棉织物上的接触角高达 130 °，与带有线性全氟烷基取代基的类似物不相上下。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Oligoacrylates with perfluoroalkyl substituents based on hexafluoropropylene trimer as environment friendly hydrophobic coatings

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Oligoacrylates with perfluoroalkyl substituents based on hexafluoropropylene trimer as environment friendly hydrophobic coatings

The most effective classes of polymer water repellents include acrylic polymer with perfluoroalkyl additives. However, due to the prohibition of substances with a long perfluoroalkyl linear chain longer than 6 carbon atoms by the Stockholm Convention on Persistent Organic Pollutants, there is a significant necessity to replace them with approved analogues. This work considered substituted acrylates based on commercially available hexafluoropropylene trimer and their polymerization in a supercritical CO₂ medium as the most convenient way and the hydrophobizing ability on various types of surfaces. The contact angles of the coatings obtained based on these oligomers are up to 111 ° on glass and aluminum, and 130 ° on cotton fabric, which is comparable to analogs with linear perfluoroalkyl substituents.

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来源期刊

Journal of Fluorine Chemistry 化学-无机化学与核化学

CiteScore

3.80

自引率

10.50%

发文量

审稿时长

33 days

期刊介绍： The Journal of Fluorine Chemistry contains reviews, original papers and short communications. The journal covers all aspects of pure and applied research on the chemistry as well as on the applications of fluorine, and of compounds or materials where fluorine exercises significant effects. This can include all chemistry research areas (inorganic, organic, organometallic, macromolecular and physical chemistry) but also includes papers on biological/biochemical related aspects of Fluorine chemistry as well as medicinal, agrochemical and pharmacological research. The Journal of Fluorine Chemistry also publishes environmental and industrial papers dealing with aspects of Fluorine chemistry on energy and material sciences. Preparative and physico-chemical investigations as well as theoretical, structural and mechanistic aspects are covered. The Journal, however, does not accept work of purely routine nature. For reviews and special issues on particular topics of fluorine chemistry or from selected symposia, please contact the Regional Editors for further details.