88.5 Surfactants and their properties and Applications 8.5.2 Critical micelle concentration and micelle A result presented by a student research group 0.046 0.044 0.042 z0.040 0.038 0000 0.036 0.034 6.0X10470x1048.0x1049.0x1041.0x1031.1x103 c/ mol dm
6.0x10-4 7.0x10-4 8.0x10-4 9.0x10-4 1.0x10-3 1.1x10-3 0.034 0.036 0.038 0.040 0.042 0.044 0.046 / N m c / mol dm-3 A result presented by a student research group 8.5.2 Critical micelle concentration and micelle §8.5 Surfactants and their properties and Applications
88.5 Surfactants and their properties and Applications 8.5.2 Critical micelle concentration and micelle In 1925. Mcbain postulated that at high concentration surfactant molecules aggregate to form micelle Small micell Ball-like micelle Layered micelle Rod-like micelle Micelles are usually charged S=, An equilibrium exists between micelle and individual surfactant
In 1925, Mcbain postulated that at high concentration, surfactant molecules aggregate to form micelle. Small micelle Ball-like micelle Layered micelle Rod-like micelle An equilibrium exists between micelle and individual surfactant Micelles are usually charged. 8.5.2 Critical micelle concentration and micelle S Sn n §8.5 Surfactants and their properties and Applications
88.5 Surfactants and their properties and Applications 8.5.2 Critical micelle concentration and micelle Detergents and cleaners Paints, lacquers and Cosmetics and persor Single molecules Surface adsorption Foods and packagin Insoluble surface layer Paper and ccllulose and pest control Small micelle lastics and composite Metal processing 崇 米 Medicine and biochemical Micelles Textiles and fibers (insoluble liquid)emulsion Oilfield chemicals Leather and furs (bubble)foam (Solid)dispersion/adsorption Mining and flotation Other "hi-tech"areas Chemical and other industnal applications
8.5.2 Critical micelle concentration and micelle §8.5 Surfactants and their properties and Applications Single molecules Surface adsorption Insoluble surface layer Small micelle Micelle (insoluble liquid)—emulsion (bubble)—foam (solid)—dispersion/adsorption
88.5 Surfactants and their properties and Applications 8.5.2 Critical micelle concentration and micelle b vesicle
vesicle 8.5.2 Critical micelle concentration and micelle §8.5 Surfactants and their properties and Applications
88.5 Surfactants and their properties and Applications 8.5.2 Critical micelle concentration and micelle CMC: detergence critical micelle concentration Osmotic The lowest concentration at which surfactant pressure molecules aggregate to form micelles Surface tension Molar conductivity -interface tension 0.2 0.4 0.6 Variation of the surface tension of the solution with the sodium decanoate concentration in 0.2 mol dm 3 Na so, at 40 Done in our research group c(mmol dm)
0 0.2 0.4 0.6 detergence Osmotic pressure Surface tension Molar conductivity interface tension CMC: critical micelle concentration The lowest concentration at which surfactant molecules aggregate to form micelles. Variation of the surface tension of the solution with the sodium decanoate concentration in 0.2 mol dm-3 Na2SO4 at 40 oC. Done in our research group. 8.5.2 Critical micelle concentration and micelle §8.5 Surfactants and their properties and Applications