Abstract
Abstract This paper reports on the photochemical degradation of waterborne paints, products which have been widely used in the creation of outdoor contemporary murals. For this purpose, 15 artist-grade formulations, including three binders (poly( n -butyl acrylate- co -methyl methacrylate), poly(vinyl acetate- co -vinyl versatate), poly( n -butyl methacrylate- co -styrene- co -2-ethylexyl acrylate)) and five pigments (titanium white, artificial ultramarine blue, mars yellow, quinacridone red, phthalocyanine green) were selected and brushed on cement lime mortar supports, simulating the stratified structure typically used by artists. Samples were exposed to UVA-340 lamps (295 λ
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