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UV-Cured Polysiloxane Epoxy Coatings Containing Titanium Dioxide as Photosensitive Semiconductor

✍ Scribed by Marco Sangermano; Paola Palmero; Laura Montanaro


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
466 KB
Volume
294
Category
Article
ISSN
1438-7492

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✦ Synopsis


Abstract

UV‐cured polysiloxane epoxy coatings containing titanium dioxide were prepared by means of a cationic photopolymerization process. A good distribution of the inorganic filler was achieved within the polymeric network with an average size dimension of around 500 nm. UV‐vis analysis performed on organic dye (methylene blue) stained coatings showed a high efficiency of the titania photocatalytic activity: a complete degradation of the dye on the coating surface is reached after 60 min of UV irradiation without affecting the matrix photo‐degradation.

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