High near-infrared reflectance Bi2O3-ZnO-CaO yellow pigment system

被引：8

作者：

Xu, Shanqi ^{[1
]}

Zhang, Jie ^{[1
]}

Zhang, Yin ^{[1
,2
]}

Zhu, Wei ^{[1
]}

Wang, Anping ^{[1
]}

Zhuang, Shuxian ^{[1
]}

机构：

[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211816, Peoples R China

[2] Nanjing Haoqi Adv Mat Co Ltd, Nanjing 211300, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2022年 / 48卷 / 10期

关键词：

Yellow pigment; Near-infrared reflectance; Cooling coating; Solar reflectance; ROOF;

D O I：

10.1016/j.ceramint.2022.01.333

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel, eco-friendly yellow mixed oxide inorganic pigment composed of Bi2O3-ZnO-CaO was successfully synthesized using a solid-state reaction. The pigment color was light yellow and rare earth-free. The pigment composition was analyzed by X-ray diffraction (XRD), and the morphology and particle size were analyzed by scanning electron microscopy (SEM). Synthetic pigment samples had superior near-infrared (NIR) solar reflectance (84.2%-91.2%), and the NIR solar reflectance of the pigment-coated Al sheets was more than 50%. The powder samples added to frit glaze improves glaze reflectance.The thermal shielding performance was evaluated by simulating the pigment as a roofing material, and the results indicated that the pigment had an excellent thermal insulation effect. In addition, the pigment had good chemical stability. Therefore, the pigment can be used as a NIR reflection pigment in building coatings to achieve energy-savings by cooling surfaces.

引用

页码：14406 / 14413

页数：8

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