466 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 6 0-- MEAN DROPLET SIZE ,, II I Z.5,---FSOLU BILI ZATION LIMIT ,, li .2 .4 .6 6 0z •,0 0 .8 1 ARLACEL 80 NISSAN CATION m 2 -100 WEIGHT FRACTION OF CATIONIC SURFACTANT Figure 6. SolubiLization-emulsion droplet size correlation for cationic-nonionic systems. (Emulsions contain 30 per cent mineral oil, 65 per cent aleionized water, and 5 per cent surfactant mixtures. Surfactant mixtures consist of hydrophilic cationic lauryl dimethyl benzyl ammonium chloride and lipophiLic Arlacel 80 at ratios indicated by abscissa)
OPTIMUM O/W EMULSIFICATION 467 6 OIL: IPm o 5 6 • o z ß .- 0 E 5 • P- Li..I z 3 •" o • 3 o ,.n 2 •:) z .J 2 0 1 1 0--- MEAN DROPLET $1ZE• SOLUBILIZATION LIMIT, TURBI AREA 0 o 0 .2 .4 .6 .8 1 ARLACEL 80 TWEEN 80 WEIGHT FRACTION OF HYDROPHILIC $URFACTANT Figure 7. Solubilization-emulsion droplet size correlation for isopropyl myristate systems. (Emulsiomix- contain 30 per cent IPM, 65 per cent deionized water, and 5 per cent surfactant mixtures. Surfactant tures consist of hydrophilic, Tween 80, and lipophilic Arlace180 at ratios indicated by abscissa)
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