C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 183/06 (2006.01) C09D 4/00 (2006.01) C09D 183/04 (2006.01) C09D 183/14 (2006.01)
Patent
CA 2408892
A non-aqueous coating composition is obtained by mixing (A) at least one silane, such as phenyltrimethoxysilane, methyltrimethoxysilane; and (B) vinyltriacetoxy silane and/or colloidal aluminum hydroxide and/or at least one metal alcoholate. Optional additives include ethyl orthosilicate, ethyl polysilicate or colloidal silica in a lower alkanol and boric acid, which may be dissolved in a lower alkanol. Hard corrosion resistant coatings, which are substantially transparent, are obtained. These coatings may be applied to metallic or non-metallic surfaces.
L'invention porte sur une composition non aqueuse pour revêtements obtenue par mélange de: (A) au moins un silane, tel que du phényltriméthoxysilane, ou du méthyltriméthoxysilane; et (B) du vinyltriacétoxy silane et/ou de l'hydroxyde d'aluminium colloïdal et/ou au moins un alcoolat de métal. On peut lui ajouter facultativement des additifs tels que de l'orthosilicate d'éthyle, du polysilicate d'éthyle ou de la silice colloïdale dispersés dans un alcool inférieur, ou de l'acide borique dissous dans un alcool inférieur. On obtient ainsi des revêtements durs, résistant à la corrosion, et sensiblement transparents, pouvant s'appliquer sur des surfaces métalliques ou non métalliques.
Adsil Lc
Blake Cassels & Graydon Llp
LandOfFree
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