Abstract
AbstractSulfosuccination of castor oil‐derived methyl ricinoleate and methyl 12‐hydroxy stearate have been carried out in the present work. Synthesis involves malenization of secondary alcohol of methyl ricinoleate/methyl 12‐hydroxy stearate followed by sulfonation of maleic monoester to generate double‐headed dianionic surfactant with carboxylate and sulfosuccinate functionalities in the head group region. Various reaction conditions were optimized for maximum production of these two sulfosuccinates. Both compounds were evaluated for surface and detergency properties. The surface tension study indicated that the critical micelle concentration of sulfosuccinated methyl ricinoleate and methyl 12‐hydroxy stearate is 0.26 and 0.11 mM, respectively. The detergency property of these two surfactants indicated that they were excellent in wetting time emulsification and Ca‐tolerance. However, these two surfactants exhibited very poor foam height and foam stability.
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