B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 7/16 (2006.01) B05D 3/00 (2006.01) B05D 7/14 (2006.01)
Patent
CA 2098830
The adhesion and/or corrosion resistance of an autodeposited coating can be improved by rinsing the uncured coating with an aqueous treatment solution that has a pH between 7 and 11 and contains between 0.05 and 5 w/o of anions derived from multifunctional organic acids; preferably anions of 1-hydroxyethylidene-1,1- diphosphonic acid, citric acid, tartaric acid, and/or oxalic acid: The method is particularly useful on leaf springs and other metallic objects with surfaces of high carbon and/or shot blasted steel, and is particularly useful in conjunction with an autodeposition bath containing internally stabilized poly (vinyli- dene chloride) latex, hydrafluoric acid, ferric fluoride, and hydrogen peroxide.
Fetherstonhaugh & Co.
Henkel Corporation
Henkel Kommanditgesellschaft Auf Aktien
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