COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO<sub>4</sub> NANOPARTICLES

WANG Min; WANG Yujun; ZHU Shenlin

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COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO₄ NANOPARTICLES

更新时间：2025-12-10

- COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO₄ NANOPARTICLES
- CIESC Journal Issue 10, Pages: 1450-1454(2003)
- 作者机构：
  
  清华大学化学工程系,北京,100084
- 作者简介：
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- Online First：25 October 2003，
  
  Published：25 October 2003
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WANG Min, WANG Yujun, ZHU Shenlin. COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO₄ NANOPARTICLES[J]. CIESC Journal, 2003, (10): 1450-1454.
DOI：

WANG Min, WANG Yujun, ZHU Shenlin. COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO₄ NANOPARTICLES[J]. CIESC Journal, 2003, (10): 1450-1454. DOI：

摘要

以Triton X-100/正己醇/环己烷/水制成W/O微乳反胶团体系，通过测定体系的电导率和观察液晶相的出现确定相点绘制了各体系的拟三元相图，研究了温度、盐浓度和油相组分对W/O微乳液体系稳定性的影响.实验发现助表面活性剂与表面活性剂的配比对微乳液的稳定性有显著影响.随着温度的升高，W/O微乳液稳定区域减小，可通过升高温度对微乳液进行破乳；与以纯环己烷为油相的体系相比，油相中含有少量正己烷的体系具有更优异的性质.所得结果为利用该W/O微乳液体系制备纳米颗粒提供了基础数据.

Abstract

The phase diagrams of water-in-oil microemulsions are very important for preparation of nano-sized BaSO4 particles. In this work

the influences of temperature

surfactant and surfactantaid

salinity and composition of oil phase on stability of microemulsions systems (Triton X-100/n-hexanol/cyclohexane/water )were investigated by measuring the electric conductivity and formation of liquid crystal

while some quasi-ternary phase diagrams were drawn.It was found that the ratio of surfactantaid and surfactant had a significant effect on stability of microemulsions. With increasing temperature

the region of microemulsions in phase diagrams became smaller

which could be used for breaking the microemulsions.The mixture with a small amount of n-hexanol in cyclohexane was better than pure cyclohexane. This work provided the basic data for the preparation of BaSO4 using W/O microemulsions.

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COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO4 NANOPARTICLES

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COMPOSITION AND STABILITY OF W/O MICROMULSIONS FOR PREPARATION OF BaSO₄ NANOPARTICLES