C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 17/34 (2006.01)
Patent
CA 2543156
The invention relates to a structure, comprising a substrate supporting a layer with a photocatalytic and anti-soiling property, said layer being based on titanium dioxide (TiO¿2?), on at least part of the surface thereof. Said structure is characterised in that the photocatalytic layer is coated with a non-porous thin layer, containing silicon and oxygen and having a coating capacity, providing a chemical and mechanical protection to the underlying photocatalytic layer, whilst maintaining the TiO¿2? photocatalytic activity.
Structure comprenant un substrat portant, sur au moins une partie de sa surface, une couche à propriété photocatalytique, anti-salissures, à base de dioxyde de titane (TiO2), caractérisée par le fait que ladite couche à propriété photocatalytique est revêtue par une couche mince à teneur en silicium et en oxygène, à pouvoir couvrant, non poreuse, apte à assurer une protection mécanique et chimique de la couche photocatalytique sous-jacente en maintenant l'activité photocatalytique de TiO2.
Labrousse Laurent
Nadaud Nicolas
Goudreau Gage Dubuc
Saint-Gobain Glass France
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