Water repellent coating

Details Water repellent coating Water repellent coating

1995-05-12

1997-04-01

Lusignan, Michael

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

427409, 427421, 427435, 428422, 428463, 428520, B32B 2700

Patent

active

056163886

ABSTRACT:
A process for formation of a water repellent coating which comprises applying a topcoat coating composition of a fluorine containing thermosetting resin and granular compound of 5 microns or less in mean particle size to a substrate bearing a thermosetting undercoat coating film which is semi crosslinked, and then co-curing both films by heating. The resulting cured coating has a water repellent surface, excellent adhesion to a substrate, excellent corrosion resistance, no staying of water as droplets on the surface and no foul odor. The coating is especially suitable for applying to aluminum fins of a heat exchanger.

REFERENCES:
patent: 4556589 (1985-12-01), Neumann et al.
patent: 4871591 (1989-10-01), Sugimura et al.
Japanese Patent application Kokai No. (Laid-Open) 93225/1994.

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