Colloidal Stability of Emulsifier-Free Oil-in-Water Emulsions:

  • SAKAI Toshio
    Department of Materials Chemistry, Faculty of Engineering, Shinshu University
  • INABA Daisuke
    Department of Materials Chemistry, Faculty of Engineering, Shinshu University
  • TAKAHASHI Nozomi
    Department of Materials Chemistry, Faculty of Engineering, Shinshu University
  • KAIZU Kazuhiro
    Skin Care Labs, Kao Corporation

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Other Title
  • 乳化剤フリー水中油滴型(O/W)エマルションの分散安定性:
  • 乳化剤フリー水中油滴型(O/W)エマルションの分散安定性 : 水溶性物質の影響
  • ニュウカザイ フリー スイチュウ ユテキガタ(O/W)エマルション ノ ブンサン アンテイセイ : スイヨウセイ ブッシツ ノ エイキョウ
  • 水溶性物質の影響
  • Effect of Water-Soluble Solute

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<p>We report here on the effect of water-soluble solutes (sodium chloride, urea, formamide, ethanol and glycerin) on the colloidal stability of emulsifier-free dodecane-in-water (DD/W) emulsions. We found that emulsifier-free DD/W emulsions were destabilized with the addition of sodium chloride or formamide to water. On the other hand, the colloidal stability of emulsifier-free DD/W emulsions was hardly changed with the addition of urea or glycerin to water. Furthermore, we revealed that emulsifier-free DD/W emulsions were stabilized with the addition of ethanol to water.</p>

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