C - Chemistry – Metallurgy – 23 – D
Patent
C - Chemistry, Metallurgy
23
D
C23D 3/00 (2006.01) C23D 5/00 (2006.01)
Patent
CA 2711580
The present invention is related to a method for producing an enamelled steel substrate, said method comprising the steps of :- providing a steel substrate, - applying to a surface of said steel substrate a solution comprising a solvent, a polymer precursor, and at least one metal or metal oxide, said metal or metal oxide being suitable for promoting the adhesion of an enamel layer to the surface of the steel substrate, - curing said steel sheet, thereby removing said solvent, and forming an organic layer comprising said at least one metal or metal oxide, - applying to said organic layer, an enamel layer, followed by a firing step, to obtain the enamelled steel substrate.
La présente invention porte sur un procédé de fabrication d'un substrat d'acier émaillé, qui consiste à : se procurer un substrat d'acier, - appliquer à une surface dudit substrat d'acier une solution comprenant un solvant, un précurseur de polymère et au moins un métal ou oxyde métallique, ledit métal ou oxyde métallique étant approprié pour favoriser l'adhésion d'une couche d'émail sur la surface du substrat d'acier, - faire durcir ladite tôle d'acier, ce qui permet ainsi d'éliminer ledit solvant, et former une couche organique comprenant ledit ou lesdits métaux ou oxydes métalliques, - appliquer à ladite couche organique une couche d'émail, en faisant suivre par une étape de cuisson, pour obtenir le substrat d'acier émaillé.
Gonzalez Javier
Leveaux Marc
Arcelormittal Investigacion Y. Desarrollo Sl
Gowling Lafleur Henderson Llp
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