C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/44 (2006.01) C25D 13/00 (2006.01)
Patent
CA 2362073
Aqueous, lead-free cathodically depositable (CDL) coating compositions containing binders and, optionally, crosslinking agents, pigments, and/or additives conventionally employed in lacquers, as well as one or more sulfonic acid salts of the metals vanadium, manganese, iron, zinc, zirconium, silver, tin, lanthanum, cerium and/or bismuth and/or of organometallic compounds in a total amount of from 0.2 to 2 wt.%, calculated as metal and based on the resin solids.
L'invention concerne des agents de revêtement à dépôt cathodique aqueux, exempts de plomb, qui contiennent des liants, ainsi qu'éventuellement des réticulants, des pigments et/ou des additifs classiques dans les vernis, de même qu'un ou plusieurs sels d'acide sulfonique des métaux suivants: vanadine, manganèse, fer, zinc, zirconium, argent, étain, lanthane, cérium et/ou bismuth et/ou des composés organométalliques, dont la quantité totale est comprise entre 0,2 et 2 % en poids, exprimée en métal et rapportée aux résines solides.
Klein Klausjorg
Kuhhirt Walter
E.i. Du Pont de Nemours And Company
Kirby Eades Gale Baker
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