期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 59, 期 40, 页码 17901-17910出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.0c03412
关键词
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资金
- Singapore Ministry of National Development
- National Research Foundation
- Prime Minister's Office under the Land and Liveability National Innovation Challenge (L2 NIC) Research Programme (L2 NIC Award) [L2NICCFP2-2015-4]
Cool coatings are solar reflective coatings and are applied on roofs, facades, and other exterior surfaces. In this work, the effect of polymer encapsulation was investigated aiming to improve near-infrared (NIR) reflectance of cool coatings. Cool coatings formulated using polymer-encapsulated TiO2 resulted in improvement (up to 10%) of NIR reflectance and, therefore, total solar reflectance in comparison to the coatings formulated using bare TiO2, especially in a high pigment volume concentration system. This is mainly due to the TiO2-TiO2 spacing and improved light scattering from the coating films. Enhanced cooling (2.5-11.2 degrees C) was also observed during heat buildup measurement tests conducted both in the lab under an artificial IR light source and at outdoor conditions under natural light.
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