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KMID : 0604519980240030105
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Journal of the Society of Cosmetic Scientists of Korea
1998 Volume.24 No. 3 p.105 ~ p.110
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THE INVESTIGATION FOR THE EFFECT 01 THE SOLUBILITY PARAMETER BETWEEN OIL BINDER AND SOLVENT TO THE PRODUCT QUALITY IN THE WET TYPE BACK INJECTION PRESS PROCESS
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Y Tae-Young
K Jong-Kuy
L Joo-Wan
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Abstract
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In the make-up product, Eye-shadow products have several purposes of enhancing product quality such as providing the beauty (variation of shape, clean appearance), feeling, continuity and adhesion. In this paper, newly developed wet type back injection press process is introduced so as to increase higher value products which providing various the beauty. The solvent takes an essential role to provide the fluidity of the powder bulk during the pressed-process of wet type pressed product. In this study, the effect of solvent in the oil binder was investigated, And the higher quality condition of the wet type pressed product was built to apply cosmetic preparation. Firstly, the system was designed powder phase as non treated pigment. The oil binder phase is categorized as hydrocarbons(Mineral oil, Squalane), Silicones(Methicone, Dimethicone ), esters (Octyldodecanol, Octyl Dodecyl Myristate). The solvent phase used was C 7-8 isoparaffin and Isopropyl Alcohol. The interaction of oil binder and solvent is investigated by measuring mass of final oil binder and the each solubility parameter. It was found that the higher the solubility the higher the degree of change in the final composition of the oil binder. In order to maintain the quality of the final product, the solvent used in pressed-process should be hydrophobic with oil binder
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KEYWORD
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Wet type back injection press process, Oil binder, Solubility, Make-up
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