C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 3/22 (2006.01) C23C 2/26 (2006.01) C23C 28/00 (2006.01) C25D 5/10 (2006.01) C25D 5/26 (2006.01) C25D 5/48 (2006.01) C25D 15/02 (2006.01)
Patent
CA 2506355
The invention concerns a plain or zinc-plated steel plate, additionally coated on at least one of its surfaces with a single zinc or zinc alloy layer containing 0.15 to 1 wt. % of a polymer consisting of 6 to 150 identical or different units of general formula: (CH¿2?C(R)(CONH¿2?))-, with R = H or CH¿3? and optionally comprising polyallyl units, and a method for making said plates by electroplating in sulphate baths.
L'invention concerne une tôle d'acier nu ou d'acier zingué, revêtue en outre sur au moins une de ses faces par une unique couche de zinc ou d'alliage de zinc contenant 0,15 à 1 % en poids d'un polymère d'un polymère constitué de 6 à 150 motifs identiques ou différents, de formule générale : (CH2C(R)(CONH2))~ avec R = H ou CH3, et comprenant éventuellement des motifs polyallyle, et un procédé de fabrication de ces tôles par électrodéposition en bain sulfates.
Arnoux Claude
Durand Guy
Jacqueson Eric
Petitjean Jacques
Sliviack Joseph
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Usinor
LandOfFree
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