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Citation: Fang Daobin, Guo Ruiwei, Feng Tongbo. Influence of Morphologies of Dispersed Particles in Polyether Polyol on Its Stability and Viscosity[J]. Chinese Journal of Applied Chemistry, ;1995, 12(4): 70-73. shu

Influence of Morphologies of Dispersed Particles in Polyether Polyol on Its Stability and Viscosity

1.
Department of Applied Chemistry, Tianjin University, Tianjin 300072;
2.
The First Research Institute of Airforce, Beijing

Received Date: 16 January 1995
Revised Date: 16 April 1995

In this paper,the morphologies of polymer particles in polyether polyol (POP) have been observed,which was prepared from styrene and acrylonitrile by using dispersion polymerization in polyether polyol under various conditions. It has been found that techno-logical conditions can change the morphologies of the particles and then affect the properties of POP. Aggregation of the particles is a main factor that influences the stability and viscosi-ty of the dispersion. Separate spheres with smooth surface can be obtained under suitable conditions and the corresponding POP is of lower viscosity.
- polyether polyol,
- dispersion polymerization,
- styrene,
- acrvlonitrile,
- macromono-mer,
- viscosity,
- electron microscope
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