スピクリスポール酸のナトリウム及びアルキルアミン塩の洗浄性 : バイオ洗剤に関する研究 (第1報)

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The detergency performance of sodium and various alkylamine salts of spiculisporic acid (4, 5-dicarboxy-4-pentadecanolide; S-acid) and the corresponding open-ring acid of analogous compound (3-hydroxy-1, 3, 4-tetradecanetricarboxylic acid; O-acid) were studied for a comparison with those of commercially available synthetic detergents such as sodium dodecylbenzenesulfonate, hexaethyleneglycol monodecyl ether, and sodium laurate.<BR>The di-meutralized <I>n</I>-hexylamine salts of S-acid and O-acid were found to have the highest ability for soil removal. This parameter of monosodium salt of S-acid exceeded that of disodium salt and was essentially the same as those of synthetic detergents.<BR>Soil removal ability of the detergent was shown to be closely correlated to interfacial tension at oil-water interface. The detergent having lower interfacial tension showed better detergency performance.
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