Method of coating metal using low temperature plasma and electro

Details Method of coating metal using low temperature plasma and electro Method of coating metal using low temperature plasma and electro

1991-11-12

1993-01-26

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041817, 427538, 427488, C25D 1312

Patent

active

051820005

ABSTRACT:
This invention relates to the use of low temperature plasma technology for significantly improved corrosion protection of metals. The plasma process involves pretreatment of the surface of the metal with a gas plasma comprising argon, hydrogen, or mixtures thereof, followed by plasma deposition of a thin polymeric film on the treated surface, followed by cathodic electrocoat application of a primer.

REFERENCES:
patent: 4588641 (1986-05-01), Hague et al.
patent: 4814199 (1989-03-01), Boccalon et al.
patent: 4980196 (1990-12-01), Yasuda et al.

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