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Choline alkylsulfates - New promising green surfactants

Klein, Regina ; Kellermeier, Matthias ; Touraud, Didier ; Mueller, Eva ; Kunz, Werner


Choline dodecylsulfate (ChDS) has been prepd. and studied as an environmentally friendly surfactant. The advantage of the physiol. metabolite choline is its bulky structure that prevents ChDS from easy crystn. and thus leads to a considerable lowering of the Krafft point down to 0°C. The counterion-headgroup binding is reflected by the aq. phase behavior of ChDS. Cond., surface tension, and ...


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