ARTIGO REVESTIDO, GRÂNULO REVESTIDO PARA TELHADO, COMPOSIÇÃO DE REVESTIMENTO E MÉTODO PARA FABRICAÇÃO DE UM ARTIGO REVESTIDO E DE UM GRÂNULO REVESTIDO PARA TELHADO

摘要

In one aspect, the present invention is directed to a coating composition. The coating composition comprises photocatalytic particles and an alkali metal silicate binder comprising an alkoxysilane. In another aspect, the present invention is directed to a coated article. The coated article has a photocatalytic coating with improved durability on its external surface that is formed from the aforesaid coating composition.