FIELD: organic chemistry. SUBSTANCE: aqueous solutions has ammonium base salt of the general formula [(R1)(CH3)N(CH3)(R2)]+A-, where R1 - alkyl-C16- C22; R2-CH3 or -C2H4OH; anion A- is β-hydroxynaphthoate, in the mixture with water and sodium salicylate taken at concentration 30-40 mole% of the total anion level in quaternary ammonium salt. Concentration of ammonium salt and sodium salicylate mixture in water is 0.05-0.5 wt.-%. EFFECT: improved properties of proposed solutions. 10 tbl, 2 dwg
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