Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1993-02-19
1995-03-07
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428323, 428328, 428330, 428336, 428341, 428469, B32B 1508
Patent
active
053956877
ABSTRACT:
A surface-treated aluminum material comprising an aluminum or aluminum alloy substrate, a chromate film deposited on the substrate, and an organic resin mixture film deposited on the chromate film is provided. The chromate film is deposited to a coating weight of from 5 to 100 mg/m.sup.2 calculated in terms of elementary chromium on the aluminum substrate. The organic resin mixture film is deposited to a dry film thickness of from 0.05 to 3.0 .mu.m, and comprises (a) 100 parts by weight of an organic resin, (b) 0.5 to 40 parts by weight of a powder lubricant having an average particle size of from 0.05 to 20 .mu.m, said average particle size being in the range of from 1.0 to 10 folds of the dry film thickness, and (c) 1.0 to 40 parts by weight of electroconductive finely divided particles having an average particle size in the range of from 0.05 to 5 .mu.m, said average particle size being in the range of from 1.0 to 2 folds of the dry film thickness. The organic surface-treated aluminum material has remarkable weldability, workability as well as corrosion resistance.
REFERENCES:
patent: 4186036 (1980-01-01), Elms et al.
patent: 5059492 (1991-10-01), Shindou et al.
patent: 5061575 (1991-10-01), Mohri et al.
patent: 5106675 (1992-04-01), Ara et al.
Hashiguchi Kouichi
Ikeda Rinsei
Mabuchi Masaki
Nabae Motohiro
Nishiyama Naoki
Furukawa Aluminum Co., Ltd.
Kawasaki Steel Corporation
Sand Stephen
Thibodeau Paul J.
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