C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
31/39
C09D 5/10 (2006.01) C08G 79/00 (2006.01) C09D 183/02 (2006.01) C09D 185/00 (2006.01) C23F 11/18 (2006.01)
Patent
CA 1112434
SINGLE PACKAGE INORGANIC ZINC RICH PAINTS ABSTRACT OF THE DISCLOSURE _ A self-curing single package zinc rich coating composition utilizing a novel copolymer binder composed of a mixture of alkyl silicate and alkyl titanate that cures upon exposure to atmospheric moisture in accordance with the equation: xSi(OR)4 + yTi(OR')4 + 2(x+y) H2O --------- (SiO2)x(TiO2)y + 4xROH + 4yR'OH wherein R and R' are alkyl groups selected from a group of alkyls consisting of ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl and 2-ethyl hexyl. Coating compositions utilizing the novel copolymer binder are formulated from a non-catalyzed silicate ester and an alkyl titanate ester having about 10% to 60% by weight titanate as TiO2 of the total weight of TiO2 and SiO2. The binder and coatings formulated therefrom allow the formulation of a single package zinc rich coating containing zinc dust which exhibits a good shelf life and may be formulated with additional fillers such as talc, clay and modified bentonite and solvent to prov ide a composition for coating ferrous metal which is durable and resistant to corrosion from salt water.
327247
Cook Paint And Varnish Company
Moffat & Co.
LandOfFree
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