Radon-blocking coating agent from magnesium aminoclay (MgAC)/water-soluble epoxy composites

IF 2.8 4区材料科学 Q2 CHEMISTRY, APPLIED

Journal of Coatings Technology and Research Pub Date : 2025-04-14 DOI:10.1007/s11998-024-01067-3

Vu Khac Hoang Bui, Ju-Young Moon, Hyuk Seo Kwon, Hyun Uk Lee, Young-Chul Lee

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引用次数: 0

Abstract

Magnesium aminoclay (MgAC) has been applied for different purposes, from biological to environmental applications. Herein, we used MgAC as an additive in the water-soluble epoxy coating solution for antiradon applications. Water-soluble epoxy can fully exfoliate MgAC and has low volatile organic compounds. Results indicate that the appearance of MgAC at low concentrations increases the antiradon efficiencies of epoxy coating solution in both laboratory-scale and real-field investigations. Different techniques, including X-ray powder diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, and thermogravimetric analysis, are used to investigate neat epoxy and MgAC/epoxy composites. MgAC is fully exfoliated, and its existence in epoxy does not significantly alter the structure of the epoxy coating agent. However, the amine groups of MgAC interact with an epoxide group. This reaction could lead to the absence of structural defects observed in the neat epoxy samples, thus improving its antiradon efficiencies.

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氨基粘土镁(MgAC)/水溶性环氧复合材料防氡涂料

氨基粘土镁（MgAC）已被应用于从生物到环境的不同用途。在此，我们使用MgAC作为抗氡水溶性环氧涂料溶液的添加剂。水溶性环氧树脂能充分剥离MgAC，具有低挥发性有机物。结果表明，低浓度MgAC的出现提高了环氧涂料溶液的抗氡效率。采用不同的技术，包括x射线粉末衍射、傅里叶变换红外光谱、x射线光电子能谱、扫描电镜和热重分析，研究了纯环氧树脂和MgAC/环氧复合材料。MgAC是完全剥落的，它在环氧树脂中的存在对环氧涂料的结构没有明显的改变。然而，MgAC的胺基与环氧化物基相互作用。该反应可使纯环氧树脂样品中观察到的结构缺陷消失，从而提高其抗氡效率。

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来源期刊

Journal of Coatings Technology and Research 工程技术-材料科学：膜

CiteScore

4.30

自引率

8.70%

发文量

130

审稿时长

2.5 months

期刊介绍： Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.