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A Concise Review on Nano-emulsion Formation by the Phase Inversion Composition (PIC) Method |
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| Authors: | Jin Feng Carlos Rodríguez-Abreu Jordi Esquena Conxita Solans |
| Affiliation: | 1. Inner Mongolia Vocational College of Chemical Engineering, Hohhot, China;2. Institut de Química Avançada de Catalunya, Consejo Superior de Investigaciones Científicas (IQAC-CSIC) and CIBER en Bioingeniería, Biomateriales y Nanomedicina, (CIBER-BBN), Jordi-Girona 18-26, 08034 Barcelona, Spain |
| Abstract: | Nano-emulsion formation by the phase inversion composition method is reviewed. The relationship between phase behavior and nano-emulsion formation is revised with emphasis on the key role of phase transitions involving changes in the sign of the curvature of the surfactant layer (inversion) via zero-average-curvature structures such as bicontinuous microemulsions or lamellar liquid crystalline phases. The different low-energy methods that can be involved in a nano-emulsification process at constant temperature are also discussed. |
| Keywords: | Nano-emulsions Phase inversion PIC method Phase behavior |