Compositions and processes for cleaning and passivating metals

Details Compositions and processes for cleaning and passivating metals Compositions and processes for cleaning and passivating metals

1984-05-04

1986-03-25

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252156, 25217416, 25217418, 25217421, 252527, 252DIG14, 252DIG17, 134 2, 134 39, 134 40, C11D 134, C11D 1708

Patent

active

045782083

ABSTRACT:
Compositions and processes for cleaning and passivating metals wherein the cleaning operation is carried out at temperatures of from room temperature to 100.degree. C. and said compositions are aqueous solutions containing a phosphoric acid ester, an alkanolamine, at least one sprayable surfactant and, optionally, builders, non-ferrous metal inhibitors, and/or biocides.

REFERENCES:
patent: 3715324 (1973-02-01), Hynes et al.
patent: 3738943 (1973-06-01), Kaneko
patent: 3951826 (1976-04-01), Rasmussen
patent: 4247424 (1981-01-01), Kuzel et al.
patent: 4539134 (1985-09-01), Martin et al.

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