期刊
THIN SOLID FILMS
卷 502, 期 1-2, 页码 132-137出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2005.07.257
关键词
photocatalysis; polymers; gradient coatings; titanium dioxide; nanoparticles
Transparent coating systems applicable on plastics surfaces by a spray technique are presented. The coatings are based on highly photocatalytically active nanoscaled titania powders, surface modified with silanes containing organic or fluoro-organic side chains. The modification allows for the introduction of the particles in organic inorganic hybrid NANOMER (c) coating systems. In the wet film-due to the evaporation of the solvents - a decompatibilisation of the coated particles to the matrix results in a self-organising gradient layer formation with an up-concentration of the active particles at the interface layer between coating and air. After activation by irradiation with artificial or natural UV-light, highly active transparent photocatalytic coatings for a great variety of materials are obtained. (c) 2005 Elsevier B.V. All rights reserved.
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