Applied Chemistry for Engineering (공업화학)
- Volume 4 Issue 1
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- Pages.196-203
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- 1993
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- 1225-0112(pISSN)
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- 2288-4505(eISSN)
The Flow Properties and Stability of O/W Emulsion Composed of Various Mixed Nonionic Surfactants 1. The Phase Behavior and Flow Properties of O/W Emulsion Prepared with the Inversion Emulsification Method
혼합비이온계면활성제의 조성에 따른 O/W 에멀젼의 유동특성 및 안정성 1. 반전유화법을 이용한 O/W 에멀젼의 상거동 및 유동특성
- Lee, Ho-Sik (Department of Industrial Chemistry, College of Engineering, Hanyang University) ;
- Kim, Jum-Sik (Department of Industrial Chemistry, College of Engineering, Hanyang University)
- Received : 1993.01.21
- Accepted : 1993.02.08
- Published : 1993.03.01
Abstract
Emulsions were prepared with the inversion emulsification method which adopted the agent-in-oil method-dissolving the mixed surfactants composed of the glycerin monostearate, polyoxyethylene(100) monostearate, and polyoxyethylene(20) sorbitan monostearate into mixtures of liquid paraffin and beeswax, and adding the aqueous solution of propylene glycol, gradually-and then their phases and viscosities behaviors in the emulsifying process were investigated. The fine and homogeneous o/w emulsions were formed in the HLB region (HLB 10.1~12.3), showing liquid crystalline phase and white gel phase in the emulsifying process. The phase inversion steps in the emulsifying process appeared as follows, i.e., oil continuous phase
Glycerin monostearate, polyoxyethylene(100) monostearate, polyoxyethylene(20) sorbitan monostearate를 혼합한 유화제를 분산상인 liquid paraffin, beeswax 혼합물에 용해한 후 연속상인 propylene glycol 수용액을 첨가하는 방법인 agent-in-oil법을 적용한 반전유화법에 의해 O/W 에멀젼을 제조하였고, 제조과정에서 나타나는 상거동 및 점성거동을 관찰하였다. 연속상을 주가함에 따라 액정 영역과 백타겔 영역이 존재하는 유화제 조성(HLB 10.1~12.3)에서만 미세하고 균일한 에멀젼이 형성되었으며, 유상
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