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Influence of Chain Length and Double Bond on the Aqueous Behavior of Choline Carboxylate Soaps

Rengstl, Doris ; Diat, Oliver ; Klein, Regina ; Kunz, Werner


In preceding studies, we demonstrated that choline carboxylates ChCm with alkyl chain lengths of m = 12 - 18 are highly water-sol. (for m = 12, sol. up to 93 wt. % soap and 0 °C). In addn., choline soaps are featured by an extraordinary lyotropic phase behavior. With decreasing water concn., the following phases were found: micellar phase (L1), discontinuous cubic phase (I1' and I1''), ...


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