A Bilayer Micro/Nanostructured Water-Based Paint With Effective Thermal Insulating and Reflective Properties

IF 4.3 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Advanced Materials Interfaces Pub Date : 2024-12-31 DOI:10.1002/admi.202400859

Antonino Caputo, Federico Olivieri, Roberto Avolio, Irene Bonadies, Rachele Castaldo, Mariacristina Cocca, Maria Emanuela Errico, Maurizio Avella, Gennaro Gentile

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Abstract

In this work, the design, optimization and characterization of a new bilayer painting system is reported. The underlying layer is engineered to provide exceptional thermal insulation to the paint through the synergistic effect of hollow perlite microspheres and micrometer-sized cellulose particles incorporated in an acrylic matrix. The external painting layer is a nanocomposite coating composed of an acrylic matrix containing titania nanoparticles, designed to induce the formation of a homogeneous and glossy surface with high reflectance in the Visible (Vis) spectrum as well as in the near-Infrared (NIR) segments NIR-I and NIR-II. Both layers are obtained using an eco-friendly, water-based commercial acrylic matrix. The bilayer painting system is characterized in terms of viscosity of the polyacrylate/fillers mixtures, thermal conductivity, wettability and UV/Vis/NIR reflectance. Moreover, morphological and thermogravimetric analysis are also performed. The obtained results well evidence the effectiveness of the proposed system to develop new thermal paints able to significantly improve the energy efficiency of buildings.

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一种具有有效隔热和反射性能的双层微纳米结构水性涂料

本文报道了一种新型双层喷涂系统的设计、优化和表征。底层设计通过中空珍珠岩微球和微米级纤维素颗粒在丙烯酸基体中的协同作用，为涂料提供卓越的隔热效果。外涂层是由含有二氧化钛纳米粒子的丙烯酸基体组成的纳米复合涂层，旨在诱导形成均匀且光滑的表面，在可见（Vis）光谱以及近红外（NIR）段NIR- i和NIR- ii中具有高反射率。两层材料均采用环保的水性商业丙烯酸基质。双层涂料体系的特点是聚丙烯酸酯/填料混合物的粘度、导热性、润湿性和UV/Vis/NIR反射率。此外，还进行了形态分析和热重分析。所获得的结果很好地证明了所提出的系统在开发能够显著提高建筑能源效率的新型热敏涂料方面的有效性。

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来源期刊

Advanced Materials Interfaces CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

8.40

自引率

5.60%

发文量

1174

审稿时长

1.3 months

期刊介绍： Advanced Materials Interfaces publishes top-level research on interface technologies and effects. Considering any interface formed between solids, liquids, and gases, the journal ensures an interdisciplinary blend of physics, chemistry, materials science, and life sciences. Advanced Materials Interfaces was launched in 2014 and received an Impact Factor of 4.834 in 2018. The scope of Advanced Materials Interfaces is dedicated to interfaces and surfaces that play an essential role in virtually all materials and devices. Physics, chemistry, materials science and life sciences blend to encourage new, cross-pollinating ideas, which will drive forward our understanding of the processes at the interface. Advanced Materials Interfaces covers all topics in interface-related research: Oil / water separation, Applications of nanostructured materials, 2D materials and heterostructures, Surfaces and interfaces in organic electronic devices, Catalysis and membranes, Self-assembly and nanopatterned surfaces, Composite and coating materials, Biointerfaces for technical and medical applications. Advanced Materials Interfaces provides a forum for topics on surface and interface science with a wide choice of formats: Reviews, Full Papers, and Communications, as well as Progress Reports and Research News.