B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 5/00 (2006.01) B01J 21/06 (2006.01) B05D 3/00 (2006.01) B05D 7/00 (2006.01) C01G 23/047 (2006.01) C09D 5/00 (2006.01)
Patent
CA 2735747
Methods for forming titanium dioxide coatings having crystals comprising reduced crystallite size are disclosed. Sol-gel compositions are prepared, formed on a substrate, and the coated substrate is heated at a temperature sufficient to form a titanium dioxide coating with crystals having a reduced crystallite size. Titanium dioxide coatings having crystals comprising reduced crystallite size and having at least one of improved antimicrobial properties, self-cleaning properties, and/or hydrophilicity are also disclosed. Substrates comprising such coatings are also disclosed.
L'invention concerne des procédés de formation de revêtements à base de dioxyde de titane possédant des cristaux dont la taille des cristallites est réduite. Des compositions sol-gel sont préparées et déposées sur un substrat, et le substrat revêtu est chauffé à une température suffisante pour former un revêtement à base de dioxyde de titane possédant des cristaux dont la taille des cristallites est réduite. L'invention concerne également des revêtements à base de dioxyde de titane possédant des cristaux dont la taille des cristallites est réduite et dont les propriétés antimicrobiennes, les propriétés autonettoyantes et/ou le caractère hydrophile sont améliorés. Des substrats comprenant de tels revêtements sont également décrits.
Guardian Industries Corp.
Macpherson Leslie & Tyerman Llp
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