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A series of new cationic gemini surfactants, bis(alkylammonium) dichlorides having a butenylene or a butynylene spacer, were prepared almost quantitatively by the reaction of a long-chain alkyldimethylamine with a highly reactive allylic or propargylic dichloride, and their surface-active properties were measured. All of them showed good water solubility and quite low critical micelle concentrations,...
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