Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-05-23
1990-09-11
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
252162, 252172, 252364, 252DIG8, 134 38, C11D 750, C11D 726, C11D 343
Patent
active
049561154
ABSTRACT:
Aqueous stripper compositions comprising aqueous emulsions of trioxane have been found to be effective for stripping coatings from surfaces. The composition typically contains water, trioxane, a surfactant and optionally a mixture of cosolvents comprising an aliphatic alcohol, an ester of an aliphatic carboxylic acid and an aromatic hydrocarbon or minimally hetero-substituted derivative thereof. The amount of the organic cosolvent is limited to about 30 wt. % to provide a stripper composition which is less volatile and more biodegradable than conventional stripper compositions.
REFERENCES:
patent: 3313713 (1967-04-01), Marbin
patent: 4595396 (1986-06-01), Erdma
Hoechst Celanese Corporation
Lieberman Paul
Markowski Kathleen
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