B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 7/14 (2006.01) B05D 3/10 (2006.01) B05D 7/00 (2006.01)
Patent
CA 2059843
A film forming process which imparts excellent formability, corrosion resistance and paintability to the surface of aluminum or aluminum alloy plates or aluminum- plated sheet steel. A process for forming composite film on the surface of aluminum or aluminum alloy plates which comprises preliminarily treating the surface with a chromating liquid to form a chromate film on the surface, and then coating on the chromate film an organic macro- molecular resin composition comprising urethane resin and at least one kind of resin selected from polyester resin and epoxy resin, a wax as a lubricating additive and further a silica sol, followed by drying, to form a film layer.
Morita Ryoji
Ogino Takao
Tanaka Shigeo
Gowling Lafleur Henderson Llp
Nihon Parkerizing Co. Ltd.
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