Abstract
These compounds with various connecting groups between the two lipophilic groups were prepared by the reaction of glycol diglycidyl ethers with long-chain alcohols, followed by sulfation with chlorosulfonic acid or with a mixture of chlorosulfonic acid and acetic acid. The Krafft point of all these new amphipathic compounds was below 0°C, and they had good water solubility. These compounds were superior in surface active properties to general anionic surfactants with one lipophilic chain and one hydrophilic group, such as sodium dodecylsulfate. The effect of the structure of the connecting group on CMC, γCMC, foaming properties and wetting ability was investigated. They also showed excellent lime-soap dispersing ability.
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Zhu, Yp., Masuyama, A. & Okahara, M. Preparation and surface active properties of amphipathic compounds with two sulfate groups and two lipophilic alkyl chains. J Am Oil Chem Soc 67, 459–463 (1990). https://doi.org/10.1007/BF02638962
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DOI: https://doi.org/10.1007/BF02638962