カプリル酸カリウムの小さいミセルについて

概要

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In the course of the study on the lower order molecular association of oligosoap and polysoap in aqueous solution, the aggregation and solution properties of potassium caprylate (KC8) were investigated since its structure is simple and contains the same (polar) functional group, i. e, carboxylate, on those of oligosoap and polysoap. (1) The cmc values were measured by various methods. They were clearly observed and in good agreement each other. (2) The pre-cmc aggregation of KC8 may be probable in aqueous solution from the fact that reduced intensity vs, concentration plot shows a gradual ascent with increasing the concentration up to the cmc, and that the solubilization of the dye vs, concentration plot has two inflexion points. Further. (3) lower order molecular association of KC8, (4) effective micellar charge and (5) polydispersity of the micelle size have been discussed. The characteristics of (2), (3) and (5) of KC8 seem to be similar to those of oligosoap.
社団法人日本油化学会の論文