评价应用于外保温复合系统(ETICS)的自清洁产品的有效性

IF 2.3 4区 材料科学 Q2 Chemistry Journal of Coatings Technology and Research Pub Date : 2022-04-26 DOI:10.1007/s11998-022-00617-x
Ana Sofia Silva, Giovanni Borsoi, João Luís Parracha, Inês Flores-Colen, Rosário Veiga, Paulina Faria, Amélia Dionísio
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引用次数: 1

摘要

外保温复合系统(ETICS)已广泛应用于建筑表面,目的是实现建筑围护结构的热学和美学性能。然而,在这些系统的表面经常观察到污渍的形成和颗粒物质的沉积。使用具有自清洁特性的多功能产品可以减少表面异常,从而提高ETICS的耐用性。本研究旨在评估三种具有自清洁添加剂(即TiO2纳米颗粒)的保护涂层在ETICS表面的效果。将三种不同的污渍(罗丹明、亚甲基蓝和银气溶胶漆)涂在ETICS饰面漆上,评估暴露于自然(太阳辐射)光源后这些污渍的去除情况。在阳光照射之前和之后,对ETICS的表面特性(密实度、硬度、粗糙度、光泽度和颜色)进行评估。结果表明,三种产品的应用可显著改善ETICS样品的表面性能(致密性、硬度、光泽度、粗糙度),显著提高ETICS的自洁性、疏水性和美观性。
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Evaluating the effectiveness of self-cleaning products applied on external thermal insulation composite systems (ETICS)

External thermal insulation composite systems (ETICS) have been extensively applied on building façades with the aim of implementing the thermal and aesthetical properties of the building envelope. However, the formation of stains and deposition of particulate matter is often observed in the surface of these systems. The use of multifunctional products with self-cleaning properties can reduce surface anomalies and thus enhance the durability of ETICS. This study aims at evaluating the effectiveness of three protective coatings with self-cleaning additives (i.e., TiO2 nanoparticles), when applied on the surface of ETICS. Three different stains (rhodamine, methylene blue and silver paint aerosol) were applied on the ETICS finishing coat, evaluating the removal of these stains after exposure to natural (solar radiation) light source. The surface properties (compactness, hardness, roughness, gloss, and color) of the ETICS were evaluated prior and after sun exposure. Results showed that the application of the three products lead to a modification of the surface properties (compactness, hardness, gloss, roughness) of the ETICS specimens, and sensibly enhance the self-cleaning, hydrophobic and aesthetical properties of the ETICS.

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来源期刊
Journal of Coatings Technology and Research
Journal of Coatings Technology and Research CHEMISTRY, APPLIED-MATERIALS SCIENCE, COATINGS & FILMS
CiteScore
4.40
自引率
8.70%
发文量
0
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.
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