界面活性剤の合成と性能に関する研究 (第11報) : 陽イオン界面活性剤の起ホウ力, 分散力および静菌力

概要

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Quaternary ammonium salts, C12H25N+ (CH3)2C2H4OH, A- containing various anion ; i.e., F-, Cl-, Br-, I-, 1/2 SO4--, ClO4-, H2PO4, NO3-, CH3 COO-, CCl3COO-, C11H23COO-, 1/2 (COO-) 2, _??_-COO- and CH3-_??_-SO3- and quaternary ammonium chloride having various chemical constitutions were synthesized by the reaction of corresponding amine salts with ethylene oxide. Their foaming, dispersion and bacteria-static properties were tested. The foaming properties were affected little by cationic parts, but affected more by anions, and quaternary ammonium perchlorate, benzoate and paratoluenesulfonate were superior to others. Quaternary ammonium salts containing_??_-COO- and CH3-_??_-SO3-as anion and benzene and ether-linkage in cationic parts such as C8H17-_??_-OC2H4OC2H4N+ (CH3)2 C2H4OH, Cl- showed good dispersion properties. The bacteria-static properties were affected little by the kinds of anions as constitution of cationic parts.
社団法人日本油化学会の論文