76 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS PENTANOL 't- ETHYL ACETATE •TER SODIUM DODECYL SULFATE 't- ETHYL ACETATE PENTANOL "1" ETHYL /•ETATE B 1.."' I : ,,/ ,,, W•Te, SOD,UM DOOEC•. SU,FATE + EVHY, •'rA'rE Figure 2. When ethyl acetate is introduced, the two areas become united already at a 0.1 fraction of ethyl acetate in the non-aqueous components. A Ethyl acetate/(Ethyl acetate q- pentanol) Ethyl acetate/(Ethyl acetate + sodium dodecyl sulfate) 0.1 0.25 B Ethyl acetate/(Eth•/1 acetate + pentanol) Ethyl acetate/(Ethyl acetate + sodium dodecyl sulfate) 0.5 0.75 0.9 .... 0.5 *
MICROEMULSIONS WITH ESTERS 77 PENTAN(X. + METHYL STEARATE WATER SODIUM DODECYL SULFATE + METHYL STEARATE PENTANOL,+ METHYL STEARATE 'N•TER SODIUM DODECYLSULFATE + METHYL STEARATE Figure 3. When methyl stearate is introduced, the two areas become smaller, especially so at a fraction of methyl stearate of 0.5 or higher [B part of figure] of the non-water components. A B Methyl stearate/ Methyl stearate/ (Methyl stearate + (Methyl stearate + pentanol) pentanol) Methyl stearate/ (Methyl stearate + Methyl stearate/ (Methyl stearate + sodium dodecyl sulfate) sodium dodecyl sulfate) 0.1 0.5 0.75 0.25
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