Coated substrates that include an undercoating

Details Coated substrates that include an undercoating Coated substrates that include an undercoating

C - Chemistry, Metallurgy

03

C

C03C 17/23 (2006.01) C03C 17/34 (2006.01) C03C 17/36 (2006.01)

Patent

CA 2573713

A coated substrate is disclosed. The coated substrate includes a substrate; an undercoating having one or more materials selected from tin oxide, silica, titania, alumina, zirconia, zinc oxide and alloys and mixtures thereof nitrides of titanium, zirconium, hafnium, silicon, aluminum and mixtures thereof, and oxy-nitrides of titanium, zirconium, hafnium, silicon, aluminum and mixtures thereof overlaying at least a portion of the substrate; and a functional coating overlaying at least a portion of the undercoating. As a result of the undercoating, the coated substrate can exhibit improved properties such as improved aesthetic properties, increased durability, photocatalytic, mechanical durability, etc.

L'invention concerne un substrat revêtu, qui comporte un substrat; une couche intermédiaire ayant au moins un matériau choisi parmi l'oxyde d'étain, la silice, l'oxyde de titane, l'alumine, la zircone, l'oxyde de zinc ainsi que des alliages et mélanges de ceux-ci, parmi des nitrures de titane, de zirconium, de hafnium, de silicium, d'aluminium et des mélanges de ceux-ci, et parmi des oxynitrures de titane, de zirconium, de hafnium, de silicium, d'aluminium et des mélanges de ceux-ci recouvrant au moins une partie du substrat; un revêtement fonctionnel recouvrant au moins une partie de la couche intermédiaire, ledit substrat revêtu pouvant présenter de meilleures propriétés, notamment des propriétés esthétiques améliorées, une durabilité, une activité photocatalytique et une durabilité mécanique accrues.

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