Low foaming alkaline cleaner comprising a surfactant mixture of

Details Low foaming alkaline cleaner comprising a surfactant mixture of Low foaming alkaline cleaner comprising a surfactant mixture of

1990-08-08

1992-05-19

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25217422, 25217421, 252135, 252173, 252DIG14, C11D 706, C11D 166

Patent

active

051146070

ABSTRACT:
A cleaning and etching solution and method for metal surface is disclosed which is an alkaline formulation which includes a surfactant combination of a low foaming ethylene oxide - propylene oxide block copolymer surfactant and a defoaming reverse ethylene oxide - propylene oxide block copolymer. The preferred cleaner includes an alkali metal hydroxide, an alkali metal salt of gluconic acid and preferably an alkali tripolyphosphate and the surfactant combination.

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