Coating mechanism and near-infrared reflectance property of hollow fly ash bead/TiO₂ composite pigment

详细信息    查看全文

• 作者：Qiang Gao ^{johnsongao2010@hotmail.com} ; Xiaomei Wu ; ^{imxmeiwu@scut.edu.cn} ; Zhiwei Xia ; Yueming Fan
• 关键词：Hollow fly ash bead ; TiO2 coating ; Thermal insulation ; Near-infrared reflectance ; Composite pigment ; Surface modification
• 刊名：Powder Technology
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：305
• 期：Complete
• 页码：433-439
• 全文大小：1270 K
• 卷排序：305

文摘

Nanometer titanium dioxide (TiO2) was deposited on hollow fly ash beads. Hollow fly ash beads were modified by Ca(OH)2 saturated solution. The surface modification favored the formation of a smooth and uniform TiO2 coating. The NIR solar reflectance of the composite pigment is as high as 0.68.