Alkaline stripping composition and process
Abstract
Abstract AN AQUEOUS ALKALINE STRIPPING SOLUTION WHICH CONTAINS AN ACCELERATOR COMPOSITION COMPRISES OF AN ALKYLENE GLYCOL ARYL ETHER, TRIPROPYLENE GLYCO OR DIPROPYLENE GLYCOL, AND AN ORGANIC NITROGEN COMPOUND OF THE FORMULA: R1-N(-R2)-R3 WHEREIN R1, R2 AND R3 ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKANOL AND HYDROXY ETHER GROUPS WHEREIN THE HYDROXY GROUPS IS TERMINAL, WHICH LATTER GROUPS CONTAIN FROM ABOUT 2 TO 10 CARBON ATOMS, AT LEAST 1 OR R1, R2 AND R3 BEING OTHER THAN HYDROGEN, THE COMPOUND HAVING A BOILING POINT OF AT LEAST ABOUT 100 DEGREES C. AND A MOLECULAR WEIGHT WHICH IS NOT SUBSTANTIALLY IN EXCESS OF ABOUT 500. THE PREFERRED COMPONENTS OF THE ACTIVATOR COMPOSITION ARE ETHYLENE GLYCOL MONOPHENYL ETHER, TRIPROPYLENE GLYCOL AND TRIETHANOLAMINE.
Inventors
- 👤 Donald P Murphy
Bibliographic Details
Claims Analysis
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