单词 | invert soap |
释义 | > as lemmasinvert soap invert soap n. [after German Invertseife (R. Kuhn & H.-J. Bielig 1940, in Berichte der Deutsch. Chem. Ges. 73 1080)] Chemistry a soap whose surface-active ion is a cation (rather than the more usual anion); a cationic detergent. ΘΚΠ the world > physical sensation > cleanness and dirtiness > cleaning > washing > washing agents > [noun] > soap > soapy substances saponary1684 saponule1794 invert soap1941 1941 Chem. Abstr. 35 3596 K[uhn] and B[ielig] intended to study the mechanism of the bactericidal action of Zephirol (mixt. of alkyldimethylbenzylammonium chlorides) and other quaternary ammonium, sulfonium and phosphonium salts by means of expts. on the interaction of these ‘invert soaps’..with proteins, chromoproteids, ferments, symplexes and genes. 1966 L. O. Smith & S. J. Cristol Org. Chem. xl. 765 Cationic detergents or invert soaps are used mainly for germicidal properties. 2015 R. J. Ouellette & J. D. Rawn Org. Chem. Study Guide xxiii. 468 Quaternary ammonium salts containing one long carbon chain are invert soaps because their polar end is positively charged in contrast to a negative charge on soaps. < as lemmas |
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