C - Chemistry – Metallurgy – 09 – F
Patent
C - Chemistry, Metallurgy
09
F
6/192, 6/220, 40
C09F 9/00 (2006.01) C08L 67/08 (2006.01) C09D 7/12 (2006.01) C09D 167/08 (2006.01)
Patent
CA 1258940
A B S T R A C T IMPROVED SURFACE COATING COMPOSITIONS The invention provides metal-containing organic compositions for use as additives to surface coating compositions comprising:- (i) at least one aluminium compound which is an aluminium alkoxide, or a compound derived from an aluminium alkoxide by an addition, substitution or condensation reaction; (ii) a stabiliser comprising at least one organic base or a mixture of an organic base with ammonia; (iii) a metal-containing organic compound wherein the metal is selected from Cu, Mn, Fe, Co, Zn and the rare earth metals; and optionally (iv) added water. The invention also provides surface coating compositions comprising an additive as just defined in a polymerised drying or semi-drying oil, an alkyd resin or an oleo-resinous medium. The compositions have suitable solubility, stability and compatability when added to surface coating compositions such as paints, and confer on the paints such improved properties as better drying performance, enhanced water resistance, reduced discoloration on aging the applied film, and reduced sensitivity to oxidative degradation and bio-degradation.
470865
Alcan International Limited
Riches Mckenzie & Herbert Llp
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