METHOD FOR PREPARATION OF DETERGENT
production of commercial detergents designed for cleaning of the surface of various materials- dielectrics, metals, semiconductors. SUBSTANCE: the mentioned method consists in drop injection of 40-60% of oleum in a melt of maleic anhydrude heated to a temperature of 75-80 C during 2.5-5.0 h with con...
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Zusammenfassung: | production of commercial detergents designed for cleaning of the surface of various materials- dielectrics, metals, semiconductors. SUBSTANCE: the mentioned method consists in drop injection of 40-60% of oleum in a melt of maleic anhydrude heated to a temperature of 75-80 C during 2.5-5.0 h with consumption of 1.7-3.5 g/min of oleum per gram of maleic anhydride at a constant agitation. EFFECT: enhanced purity of the target product and enhanced capacity of the process of its production. |
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