Abstract
Self-sterilized complex coatings obtained by Ag@TiO2incorporation into styrene-acrylic latex, extensively used in interior wall coatings, are prepared via a coupling agent modification process. A microscopy (TEM) study shows that the complex latexs obtained are highly homogeneous at the nanometric scale, exhibiting an intimate contact between both the organic and inorganic components. Ag@TiO2incorporation into this polymer matrix renders self-sterilized nanocomposite materials upon light excitation, which are tested against Escherichia coli and Staphylococcus aureus. the complex coatings display an impressive performance in the killing of all micro-organisms with a maximum for an oxide content between 2-5 wt %.
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