Water/oil microemulsions from binary ionic-nonionic surfactants

CaSO4 Mineralization in Carboxy- and Amino-Functionalized Reverse Micelles Unravels Shape-Dependent Transformations and Long-Term Stabilization Pathways for Poorly Hydrated Nanophases (Bassanite)

“…In general, microemulsions in the Igepal CO-520/ cyclohexane/water system have a relatively lower curvature when compared to ionic surfactants. 30,46,48 Furthermore, the addition of anionic surfactants to microemulsion prepared from nonionic surfactants based on ethylene glycol is expected to reduce the curvature of the microemulsions, 49 which could explain why microemulsions containing oleates show larger Figure 2). These data suggest that the microemulsion nanoreactors rather than act as structural directing agents act as growth inhibitors, especially considering that oleate microemulsions also lead to different morphologies ( Figure 2).…”

Percolation phenomenon in mixed reverse micelles: The effect of additives

“…Investigations on the microstructures and properties of reverse micelles formed with mixed surfactants (i.e., addition of a second surfactant to water/single surfactant/oil system) has seldom been carried out to understand the basic mechanism of the phenomenon taking place inside them. However, reports available on the latter aspect are due to Alexandradis et al [28], Nazario et al [44], Eicke et al [45,46], Li et al [47,48], Liu et al [49,50], Bumajdad et al [51].…”

Conductivity of water-in-oil microemulsions stabilized by mixed surfactants

“…The structure of microemulsions can be characterized by many techniques such as small-angle neutron scattering (SANS) (e.g., [6][7][8][9][10][11]), pulsed-field-gradient NMR (PFG-NMR) (e.g., [10][11][12][13][14]), viscosity (e.g., [8,15]), and electrical conductivity (e.g., [3,[16][17][18][19][20][21][22][23][24][25][26][27][28][29]). Among these techniques, the later is the most accessible one for researchers.…”

“…Another advantage is the possibility of preparing temperature-insensitive microemulsions (e.g., Refs. [2][3][4][5]). …”