B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/04 (2006.01) C09K 13/04 (2006.01) C23C 22/40 (2006.01) C23C 22/68 (2006.01) C23C 22/82 (2006.01) C23F 11/00 (2006.01)
Patent
CA 2526230
Methods and compositions that serve to both darken a zinc or other active! metal surface and impart corrosion-resistant properties thereto, are disclosed. The compositions include an aqueous solution containing about 0.1 percent to about 5 percent ammonium chloride and about 0.1 percent to about 5 percent ammonium molybdate. The compositions utilize particular ratios of concentrations of ammonium chloride and ammonium molybdate.
L'invention concerne des procédés et des compositions qui permettent à la fois de noircir du zinc, ou la surface d'un autre métal actif, et de lui conférer des propriétés anticorrosion. Ces compositions contiennent une solution aqueuse qui renferme entre environ 0,1 et environ 5 % de chlorure d'ammonium et entre environ 0,1 et environ 5 % de molybdate d'ammonium. Ces compositions utilisent des rapports particuliers de concentrations de chlorure d'ammonium et de molybdate d'ammonium.
Dorsett Terry E.
Guhde Donald J.
Pearce Michelle R.
Straka Brian G.
Gowling Lafleur Henderson Llp
Metal Coatings International Inc.
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