HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER

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HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER

Updated：2021-06-21

- HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER
- Issue 2, Pages: 155-161(2006)
- Affiliations：
  
  1.   The Key Laboratory of Molecular Engineering of Polymers Ministry of Education Department of Macromolecular Science
  2.   Fudan University
  3.   Shanghai 200433
  4.   China
- Author bio：
- Funds：
  
  This project was supported by the National Natural Science Foundation of China （No. 20490220）();Major State Basic Research Projects （No. 2003CB615604）, Shengli Oilfield, SINOPEC.()
- DOI：
  CLC： O631.3
- Published：2006
- Accepted：
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[1]许元泽.HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER[J].Chinese Journal of Polymer Science,2006(02):155-161.

HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER[J]. 2006, (2): 155-161.
[1]许元泽.HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER[J].Chinese Journal of Polymer Science,2006(02):155-161. DOI：

HYDRODYNAMIC AND THERMODYNAMIC EFFECTS IN PHASE INVERSION EMULSIFICATION PROCESS OF EPOXY RESIN IN WATER[J]. 2006, (2): 155-161. DOI：

摘要

<正>The mechanism of phase inversion emulsification process （PIE） was studied for waterborne dispersion of highly viscous epoxy resin using non-ionic polymeric surfactants. Drop deformation and breakup

Theological properties

conductivity

and particle size measurements reveal the micro-structural transition amid emulsification. It is revealed that strong flow causes water drop to burst with the formation of droplets and huge interface. Phase inversion corresponds to an abrupt rheological transition from a type of viscous melt with weak elasticity to a highly elastic type of aqueous gel. This implies that the phase inversion equivalent to a curvature inversion. Based on this

a geometric model is postulated to correlate process variables to the particle size. The coverage and conformation of the surfactant plays key role for the particle size of the final emulsion. The interactions of thermodynamic and hydrodynamic effects are also discussed. It is concluded that the thermodynamics control the PIE while the hydrodynamics drives the creation of interface and involves every step of PIE.

Abstract

The mechanism of phase inversion emulsification process （PIE） was studied for waterborne dispersion of highly viscous epoxy resin using non-ionic polymeric surfactants. Drop deformation and breakup

Theological properties

conductivity

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