공업화학 (Applied Chemistry for Engineering)

  • 제27권5호
  • /
  • Pages.527-531
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  • 2016
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  • 1225-0112(pISSN)
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  • 2288-4505(eISSN)
한국공업화학회 (The Korean Society of Industrial and Engineering Chemistry)
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비이온성 혼합유화제를 이용한 화장용 크림 유화액의 유화안정성 평가

Evaluation of Emulsion Stability for Cosmetic Facial Cream Emulsion Using Mixed Nonionic Emulsifier

  • Hong, In Kwon (Department of Chemical Engineering, Dankook University) ;
  • Kim, Su In (Department of Chemical Engineering, Dankook University) ;
  • Park, Bo Ra (Department of Chemical Engineering, Dankook University) ;
  • Choi, Junho (Department of Chemical Engineering, Dankook University) ;
  • Lee, Seung Bum (Department of Chemical Engineering, Dankook University)
  • 투고 : 2016.08.10
  • 심사 : 2016.09.07
  • 발행 : 2016.10.10
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초록

화장품 제조의 기본원리인 유화과정은 섞이지 않는 두 액체성분에 유화제를 첨가하여 한 쪽의 액체를 다른 쪽의 액체에 분산하여 안정화된 유제를 제조하는 것이다. 이때 사용되는 유화제의 종류에 따라 다양한 화장품을 제조할 수 있다. 본 연구에서는 서로 다른 비이온성 혼합유화제를 이용하여 화장용 크림 유화액을 제조한 후 유화액의 점도변화, 입자 크기 변화, 입자 크기 분포변화 등을 측정하여 안정성을 평가하였다. 실험에 사용된 비이온성 유화제의 HLB 값은 EMU-01 (HLB = 12.9), EMU-02 (HLB = 12.9), EMU-03 (HLB = 12.4), EMU-04 (HLB = 12.5)이다. 4종류의 혼합유화제 모두 시간이 증가함에 따라 입자 크기가 증가하고 점도가 감소하는 경향을 나타내었으며, 화장품 제조 시 교반속도가 증가함에 따라 입자 크기는 감소하고 점도는 증가하는 경향을 나타내었다. 그러나 4종류의 혼합유화제를 사용한 유화액 모두 층분리는 일어나지 않아 56일까지의 유화액의 안정성은 확보할 수 있었다. 또한 유화액의 점도는EMU-01 > EMU-02 > EMU-03 > EMU-04로 크게 측정되었으며, 입자 크기는 $EMU-01{\approx}EMU-02$ > $EMU-03{\approx}EMU-04$로 측정되어 화장용 크림 유화액을 제조할 경우 맞춤형으로 사용이 가능할 것으로 사료된다.

Emulsification is a fundamental process of cosmetics manufacture which produces stabilized emulsion by dispersing the liquid from the one side to the other by adding an emulsifier in an immiscible liquid. Various types of emulsifiers can produce various cosmetics. In this study, we evaluated the stability of emulsifier by measuring variations in the viscosity, particle size and particle size distribution. HLB values of nonionic emulsifiers which are used in this paper are 12.9, 12.9, 12.6 and 12.5 for EMU-01, EMU-02, EMU-03 and EMU-04, respectively. All types of emulsions showed an increase in the particle size and a decrease in the viscosity with the time. Also they showed a decrease in the particle size and an increase in the viscosity with respect to increasing the stirring speed. However, the stability of emulsions up to 56 days was secured by observing the non-separation of emulsions. In addition, the viscosity of the emulsions was measured in the order of EMU-01 > EMU-02 > EMU-03 > EMU-04 while the size of particles was measured in the order of $EMU-01{\approx}EMU-02$ > $EMU-03{\approx}EMU-04$. This indicates that our emulsion can be potentially used for preparing a cosmetic facial cream.

키워드

참고문헌

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피인용 문헌

  1. Brij계 비이온성 혼합유화제를 이용하여 제조된 화장용크림 O/W 유화액의 유화안정성 vol.29, pp.4, 2016, https://doi.org/10.14478/ace.2018.1011