C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/00 (2006.01) C23C 22/13 (2006.01) C23C 22/36 (2006.01) C23C 22/73 (2006.01) C23C 22/77 (2006.01)
Patent
CA 2271921
Equations have been developed to predict the amount of sludge formed during, and the values of several other characteristics of, zinc phosphating processes. Using these equations, novel compositions that achieve low sludge without sacrificing other characteristics of good zinc phosphate coatings have been discovered.
L'invention concerne des équations conçues pour prévoir la quantité de boue qui se forme au cours de procédés de phosphatation au zinc, ainsi que les valeurs de plusieurs autres caractéristiques de ces procédés. En utilisant ces équations, on a découvert de nouvelles compositions qui permettent d'obtenir une faible quantité de boue sans pour autant sacrifier d'autres caractéristiques propres à un bon revêtement au phosphate de zinc.
Petschel Michael
Sienkowski Michael L.
Henkel Corporation
Swabey Ogilvy Renault
LandOfFree
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