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Citation: ZHOU Li-Xin, YE Chu-Ping, YANG Zhuo-Ru. Factors Influencing Phase Inversion Emulsification of Epoxy Resin E-44[J]. Chinese Journal of Applied Chemistry, ;2009, 26(8): 939-943. shu

Factors Influencing Phase Inversion Emulsification of Epoxy Resin E-44

1.
a College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062;
2.
b School of Chemical & Energy Engineering, South China University of Technology, Guangzhou

Corresponding author: ZHOU Li-Xin,
Received Date: 25 July 2008
Available Online: 29 December 2008

The effects of HLB value,concentration of Span60-Tween20 composite emulsifier,emulsifying temperature and stirring speed on the critical water content of phase inversion emulsifying(R_f) and emulsion stability of epoxy resin E-44 were investigated.The experimental results show that emulsion at HLB=13 had a smallest R_f and was most stable.R_f decreased and the emulsion stability increased with the increase of the emulsifier concentration,and R_f kept constant when the emulsifier mass fraction was over 10%.At 60~70 ℃,R_f wasn't changed obviously,however,when emulsifying temperature was higher than 75 ℃,R_f increased with the increase of temperature,and the emulsion was stable at 60~80 ℃,but the stability decreased when the temperature was over 90℃.At a too low stirring speed,R_f was large and it was difficult to create a phase inversion;when stirring speed was over 400 r/min,R_f decreased with the increase of stirring speed,and emulsion had a best stability under 600 r/min,yet the stability would decrease when stirring speed was over 800 r/min;though the R_f was very small and phase inversion took place easily.
- epoxy resin E-44,
- phase inversion,
- the critical water content of phase inversion(R_f),
- stability of emulsion
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