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A Study on The Preservation Efficacy Reduction of Parahydroxybenzoic Acid Derivatives in Surfactant and Inorganic Powder Materials of Emulsion System

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  • URLhttps://db.koreascholar.com/Article/Detail/257250
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한국응용과학기술학회지 (The Korean Society of Applied Science and Technology)
한국응용과학기술학회(구 한국유화학회) (The Korean Society of Applied Science and Technology (KSAST))
초록

In this study, the relation of the preservation efficacy reduction with methyl paraben of parahydroxybenzoic acid derivatives was investigated using the dialysis membrane method with tween-80 of surfactant and TiO2/Talc of inorganic powder meterial from emulsion system. It was found that the preservation efficacy of tween-80 and TiO2/Talc from emulsion system was reduced due to the adsorption of methyl paraben. According to the microbe test, In case of tween-80, MBC appeared in 0.19 w/v% and in case of TiO2/Talc, MBC appeared in 0.22w/v% / 0.23w/v%. In general, the equation of Talc's adsorption weight(A·W) has a tendency to show in A·W=11.5C0.745

저자
  • 성기천 | Sung, Ki-Chun
  • 김기준 | Kim, Ki-Jun