Modified oils and multiple emulsions

Details Modified oils and multiple emulsions Modified oils and multiple emulsions

A - Human Necessities

61

K

A61K 8/70 (2006.01) A61K 8/06 (2006.01) B01F 17/14 (2006.01)

Patent

CA 2731252

According to one aspect, the present invention relates to the use of a perfluoropolyether phosphate (PFPE phosphate), dissolved in water, for the preparation of oil-in-water emuisions (O/W) with high internal phase (HIPE). The internal phase (O) typically comprises at least 74% by volume of the emulsion and includes one or more OiIs1 which acquire, after a treatment with PFPE phosphate, some typical characteristics of high fluorine content compounds, in particular lipophobicity and homophobicity, combined with limited hydrophilicity.

Selon un aspect, la présente invention concerne l'utilisation d'un phosphate de perfluoropolyéther (phosphate de PFPE), dissous dans leau, dans la préparation démulsions dhuile-dans-l'eau (H/E) avec une phase dispersée élevée (HIPE). La phase dispersée (O) comprend typiquement au moins 74 % en volume de lémulsion et comprend une ou plusieurs huiles qui acquièrent, après traitement avec un phosphate de PFPE, certaines caractéristiques typiques de composés à teneur élevée en fluor, en particulier la lipophobie et lhomophobie, associées à une hydrophilie limitée.

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