Inverse Pickering Emulsion Stabilized by Exfoliated Hexagonal-Boron Nitride (h-BN)
The formation of inverse Pickering emulsions using exfoliated hexagonal boron nitride (h-BN) as an effective particulate stabilizer without using any surfactants is reported for the first time. The stability and the type of h-BN Pickering emulsions formulated with different BN concentrations and by...
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| Veröffentlicht in: | Langmuir 2017-11, Vol.33 (46), p.13394-13400 |
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| container_title | Langmuir |
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| creator | Gonzalez Ortiz, Danae Pochat-Bohatier, Céline Cambedouzou, Julien Balme, Sébastien Bechelany, Mikhael Miele, Philippe |
| description | The formation of inverse Pickering emulsions using exfoliated hexagonal boron nitride (h-BN) as an effective particulate stabilizer without using any surfactants is reported for the first time. The stability and the type of h-BN Pickering emulsions formulated with different BN concentrations and by varying oil/water (o/w) ratios are studied and discussed. First the emulsion structure is analyzed microscopically through optical and epifluorescence microscopy and macroscopically by the study of the rheological behavior. The average droplet size decreases with h-BN concentration whereas the emulsions achieve good stability at 2 wt % BN concentrations and for a 1:1 o/w ratio. In all formulations, the emulsions are of water-in-oil (w/o) type due mainly to the hydrophobicity of h-BN. |
| doi_str_mv | 10.1021/acs.langmuir.7b03324 |
| format | Article |
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| title | Inverse Pickering Emulsion Stabilized by Exfoliated Hexagonal-Boron Nitride (h-BN) |
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