Non-aqueous Isorefractive Pickering Emulsions

Kate L. Thompson, Jacob A. Lane, Matthew J. Derry, Steven P. Armes

Research output: Contribution to journalArticlepeer-review


Non-aqueous Pickering emulsions of 16–240 μm diameter have been prepared using diblock copolymer worms with ethylene glycol as the droplet phase and an n-alkane as the continuous phase. Initial studies using n-dodecane resulted in stable emulsions that were significantly less turbid than conventional water-in-oil emulsions. This is attributed to the rather similar refractive indices of the latter two phases. By utilizing n-tetradecane as an alternative oil that almost precisely matches the refractive index of ethylene glycol, almost isorefractive ethylene glycol-in-n-tetradecane Pickering emulsions can be prepared. The droplet diameter and transparency of such emulsions can be systematically varied by adjusting the worm copolymer concentration.
Original languageEnglish
Pages (from-to)4373-4376
Issue number15
Publication statusPublished - 21 Apr 2015

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