Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1997-01-24
1998-08-25
McAvoy, Ellen M.
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510206, 510212, 510213, C09D 900
Patent
active
057983259
ABSTRACT:
An improved aqueous liquid composition for power washing of paint masks contains: organic film-forming polymer, preferably polyacrylamide; inorganic salts, preferably a combination of alkali metal pyrophosphate, metaborate, and tetraborate; and dissolved organic molecules that (i) are hydrocarbons except for having hydroxyl substituents and, optionally, having one or more other types of substituents selected from halogen atoms, keto groups, and aldehydo groups and (ii) have a number ratio of oxygen atoms to carbon atoms that is at least 0.5; and, optionally but preferably, free boric acid.
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"Barriercoat Process Paint Stripping: Mask Washing Without Solvents", Metal Finishing, Oct. 1996, pp. 33-36, Crosley, D.
Henkel Corporation
Jaeschke Wayne C.
McAvoy Ellen M.
Szoke Ernest G.
Wisdom, Jr. Norvell E.
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