Photocatalytic activity of anatase-containing facade coatings

被引：41

作者：

Marolt, Tina ^{[2
]}

Skapin, Andrijana Sever ^{[3
]}

Bernard, Janez ^{[3
]}

Zivec, Petra ^{[2
]}

Gaberscek, Miran ^{[1
]}

机构：

[1] Natl Inst Chem, Ljubljana 1000, Slovenia

[2] TRC JUB Doo, Ljubljana, Slovenia

[3] Slovenian Natl Bldg & Civil Engn Inst, Ljubljana 1000, Slovenia

来源：

SURFACE & COATINGS TECHNOLOGY | 2011年 / 206卷 / 06期

关键词：

Facade coating; Anatase; Photocatalytic activity; Pigment volume concentration; PART I; TIO2; OXIDATION; PHOTODEGRADATION; DEGRADATION; PAINT; FILMS; AIR; DECOMPOSITION; 2-PROPANOL;

D O I：

10.1016/j.surfcoat.2011.08.053

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The photocatalytic activity of a nano-anatase-containing paint has been studied. It was found that after a certain period of initial UV irradiation, the photocatalytic activity of such a paint significantly increases. To understand the underlying mechanisms, the pigment volume concentrations (PVCs) were varied in different ways, e.g. by varying the content of the inorganic filler, or by adjusting the content of the polymeric binder. The results were compared with the photocatalytic activity of a commercially available paint. The formulations which exhibit a good compromise between photocatalytic activity and other essential paint properties are discussed. The effect of relative humidity on the photocatalytic activity was also measured and is commented upon. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1355 / 1361

页数：7

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