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Properties of Ethoxylated Castor Oil Acid Methyl Esters Prepared by Ethoxylation over an Alkaline Catalyst

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Journal of Surfactants and Detergents

Abstract

The synthesis and properties of ethoxylated castor oil acid methyl esters (ECAME) were investigated. Ethylene oxide (EO) can react directly with the ester group and hydroxyl group of castor oil acid methyl esters in the presence of an alkaline catalyst. ECAME with different average EO adduct numbers were synthesized and, through testing the degree of EO addition, it was found that only a few EO moieties (2–4) inserted into the hydroxyl group. In addition, the physicochemical properties of ECAME were studied. ECAME can be used as nonionic surfactants with good properties.

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Acknowledgments

The authors acknowledge the financial support by the National Science and Technology Support Project of International (No. 2013DFA42120), International Science and Technology Cooperative Project of Shanxi Province (No. 2013081019), and Natural Science and Technology Support Project of China (No. 2012BAD32B10).

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Authors and Affiliations

  1. China Research Institute of Daily Chemical Industry, 34# Wenyuan Str., Taiyuan, 030001, Shanxi, People’s Republic of China

    Qian Zhang, Yongqiang Sun, Lifei Zhi & Yong Zhang

  2. Department of Chemical Sciences, University of Naples Federico II, Via Cintia, M. Sant Angelo, 80126, Naples, Italy

    Martino Di Serio

Authors
  1. Qian Zhang
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  2. Yongqiang Sun
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  3. Lifei Zhi
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  4. Yong Zhang
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  5. Martino Di Serio
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Corresponding author

Correspondence to Yongqiang Sun.

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Cite this article

Zhang, Q., Sun, Y., Zhi, L. et al. Properties of Ethoxylated Castor Oil Acid Methyl Esters Prepared by Ethoxylation over an Alkaline Catalyst. J Surfact Deterg 18, 365–370 (2015). https://doi.org/10.1007/s11743-014-1657-3

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  • DOI: https://doi.org/10.1007/s11743-014-1657-3

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