Multiple step conversion coating process

C - Chemistry – Metallurgy – 23 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C23C 2/02 (2006.01) C09D 129/04 (2006.01) C23C 22/36 (2006.01) C23C 22/73 (2006.01) C23C 22/80 (2006.01)

Patent

CA 2488199

A process for the chemical pretreatment, before an organic coating, of composite metal structures that contain aluminum or aluminum alloy portions together with zinc or zinc alloy portions, and steel, galvanized steel and/or alloy-galvanized steel portions, such that the phosphate level and the operating temperature of the zinc phosphate solution is reduced, and the nitrite accelerator level of the solution is increased. The process of the present invention reduces the sludge produced by the process, the temperature at which the process operates, and the need for monitoring the process. Furthermore, the pretreatment process of the present invention forms a conversion layer on all exposed metal surfaces that is suitable as a corrosion-preventing paint substrate, especially before a cathodic electro-dipcoating.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Multiple step conversion coating process does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multiple step conversion coating process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple step conversion coating process will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1380720

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.