Acid aqueous phosphatic solution and process using same for phos

Details Acid aqueous phosphatic solution and process using same for phos Acid aqueous phosphatic solution and process using same for phos

1995-07-31

1997-01-28

Bell, Bruce F.

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

148259, C25D 1320

Patent

active

055974651

ABSTRACT:
An acid aqueous solution useful for phosphating metal surfaces and a phosphating process using same; said solution, which is characterized by its containing hydroxylamine phosphate as accelerator and a cationic surfactant, preferably a quaternary ammonic surfactant, can be applied to metal surfaces based on iron, zinc, aluminium and alloys thereof, and is specifically suitable for preventing the formation of white spots.

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Abstract, Industrie-Lackierbetrieb (1991) 12, 413.
Abstract, La phosphatation des metaux, 20-21, Ed. Eyrolles (1973).
D. Saatweber Herberts GmbH "Galvanized sheet and cationic ED Primer: synergism for finishing optinitation", (no date shown).

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