Citation: HUANG Dengfa, LIU Yanhua, WANG Feng. Partial Factorial Analysis for the Stability of Water-in-Oil Type Polyethyleneimine Solution-in-Paraffin Emulsion[J]. Chinese Journal of Applied Chemistry, ;2018, 35(10): 1234-1242. doi: 10.11944/j.issn.1000-0518.2018.10.170349 shu

Partial Factorial Analysis for the Stability of Water-in-Oil Type Polyethyleneimine Solution-in-Paraffin Emulsion

School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China

Corresponding author: WANG Feng, fwang@jiangnan.edu.cn
Received Date: 22 September 2017
Revised Date: 10 November 2017
Accepted Date: 4 January 2018

Fund Project: Supported by China Scholarship Council(No.201406795023), Postgraduate Research & Practice Innovation Program of Jiangsu Provence(No.SJCX18_0618)Supported by China Scholarship Council 201406795023Postgraduate Research & Practice Innovation Program of Jiangsu Provence SJCX18_0618

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Polyethyleneimine(PEI) and its emulsions have been widely used in enzyme immobilization, gene therapy and waste water treatment, etc. In this work, a partial factorial test was employed to study the main factors and the interaction effect between various factors influencing the stability of water-in-oil(W/O) type PEI solution-in-paraffin emulsion. The results show that the amount of emulsifier and the mass fraction of PEI in aqueous phase are the main factors that influence the stability of the emulsion. The most significant factor is the interaction between the mass fraction of PEI in aqueous phase and the volume ratio of water/oil. The optimum conditions of the emulsion are:20% PEI in the aqueous phase, 0.07 g/mL of the emulsifier, 6:4 volume ratio of water/oil, 3 min of homogenization time and 6000 r/min of the homogenization velocity. The emulsion prepared under the optimal conditions has shown no significant changes of emulsification in a week, indicating its excellent stability.
- polyethyleneimine solution-in-paraffin emulsion,
- stability,
- partial factors test,
- factors interaction
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