Anti-fouling coating for turbomachinery

Details Anti-fouling coating for turbomachinery Anti-fouling coating for turbomachinery

1999-07-28

2000-12-12

Cameron, Erma

Coating processes

With post-treatment of coating or coating material

Heating or drying

405409, 4054192, 4054197, 405444, 106 1412, 106 1415, 106 1421, B05D 138, B05D 512

Patent

active

061595470

ABSTRACT:
A method for coating turbomachinery having a metal surface to prevent fouling, the steps of the method being applying to the surface a first slurry containing an acidic aqueous medium containing galvanically active material and phosphate ions, thereby forming a galvanically sacrificial first layer, curing the first layer, applying to the cured first layer an aqueous non-conductive second slurry containing inorganic phosphate or silicate ions, thereby forming a non-conductive second layer, curing the second layer, applying to the cured second layer a liquid sealer composition containing a thermally stable organic polymer and fluorocarbon, thereby forming a top layer, and curing the top layer.

REFERENCES:
patent: 3248251 (1966-04-01), Allen
patent: 3869293 (1975-03-01), Brumbaugh
patent: 4352899 (1982-10-01), Tada et al.
patent: 5116672 (1992-05-01), Mosser et al.

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