Microemulsions with CO 2 as a solvent

Julian Eastoe*, Ci Yan, Azmi Mohamed

*Corresponding author for this work

Research output: Contribution to journalReview article (Academic Journal)peer-review

30 Citations (Scopus)


Supercritical CO 2 is considered as a promising alternative for volatile organic solvents currently used in certain industrial processes and products, however, the poor solubilizing power of CO 2 towards polar substances remains a significant barrier to applications. Employing effective surfactants which generate stable dispersions and water/CO 2 microemulsions is accepted as one way to improve the physico-chemical properties of CO 2. This article reviews recent studies on microemulsions in liquid CO 2, as well as the development of CO 2-philic surfactants.

Original languageEnglish
Pages (from-to)266-273
Number of pages8
JournalCurrent Opinion in Colloid and Interface Science
Issue number5
Publication statusPublished - 1 Oct 2012


  • Microemulsions
  • Supercritical CO
  • Surfactants


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