Metal cleaning process

Details Metal cleaning process Metal cleaning process

1988-09-01

1990-06-05

Garvin, Patrick P.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 7, 134 29, 29DIG7, 51295, 427444, B05D 500

Patent

active

049311026

ABSTRACT:
Processes are provided for cleaning metal in preparation for painting, coating, welding or other subsequent process. The processes all include rinsing the metal with a solution of deionized water and a water soluble amine having a vapor pressure of at least about 10% of the vapor pressure of water at 20.degree. C. resulting in an essentially residue and water spot free surface promoting welding and bonding of the paint or coating thereto as well as enhancing other subsequent processes that may be scheduled therefore.

REFERENCES:
patent: 1523373 (1925-02-01), Cleveland
patent: 2032174 (1936-02-01), Johnson
patent: 4432808 (1984-02-01), Heubusch
patent: 4528039 (1985-07-01), Rubin et al.
patent: 4540444 (1985-09-01), Kelly
patent: 4552783 (1985-11-01), Stoll et al.
patent: 4590100 (1986-05-01), Hearst
patent: 4654089 (1987-05-01), Singelyn et al.
patent: 4752411 (1988-06-01), Melin et al.

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