INVESTIGADORES
VIERA Marisa Rosana
congresos y reuniones científicas
Título:
Prevention of the color changes in waterborne antimicrobial coatings with nano-functionalized siliceous filler
Autor/es:
BARBERÍA ROQUE LEYANET; GAMES ESPINOSA E.; VIERA MARISA; BELLOTI NATALIA
Lugar:
Buenos Aires
Reunión:
Congreso; Colour Association (AIC) Midterm Meeting 2019.; 2019
Institución organizadora:
Grupo Argentino del Color y International Colour Association
Resumen:
Color fastness represents the capacity of a given paint to maintain its original color over the time when exposed to biotic and abiotic environmental factors. The aim of this work is to assess the color changes due to the addition of Ag nanoparticles in a natural siliceous based material in coatings. Analysis of the color data from 24 hours showed the effectiveness of the functionalized materials to decrease the color change. Paints with nanoparticles added directly presented color variation rated as very big, considering the colorimeter method by Teichmann, while with the addition of functionalized silica was barely evident. These results kept during the six months in which the study was conducted.
