Stable water and glycerol marbles immersed in organic liquids: From liquid marbles to Pickering-like emulsions

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Abstract

Water and glycerol marbles coated with various powders and immersed in organic liquids gave rise to water-in-oil and glycerol-in-oil Pickering-like emulsions. Non-polar oils such as polydimethylsiloxane, toluene, xylenes and chlorinated solvents supported the formation of emulsions, whereas polar liquids such as dimethylsulfoxide, N,N,-dimethylformamide, acetone and ethanol did not. It is demonstrated that there is a direct contact between a liquid filling the immersed marble and the surrounding liquid. A phenomenological theory of the marbles' sinking into emulsion is proposed.

Original languageEnglish
Pages (from-to)196-199
Number of pages4
JournalJournal of Colloid and Interface Science
Volume366
Issue number1
DOIs
StatePublished - 15 Jan 2012

Keywords

  • Hydrophobic particles
  • Liquid marbles
  • Organic liquids
  • Pickering emulsions
  • Surface tension

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