Pressure makes the difference! Compressed gases, such as CO2, ethylene, ethane, and propane, can induce the formation of nanoemulsions with special characteristics. The application of CO2‐induced nanoemulsions in the preparation of cross‐linked porous polystyrene materials and the ability of CO2 to stabilize emulsions for enhanced oil recovery are studied. A possible mechanism for the formation of the nanoemulsions is discussed (see picture).
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