Preparation of magnetic polystyrene microspheres with a narrow size distribution
β Scribed by Chengli Yang; Yueping Guan; Jianmin Xing; Junguo Liu; Guobin Shan; Zhentao An; Huizhou Liu
- Publisher
- American Institute of Chemical Engineers
- Year
- 2005
- Tongue
- English
- Weight
- 161 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0001-1541
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## Abstract Airβstable Fe magnetic nanoparticles entrapped within carbon and porous crosslinked polystyrene microspheres of narrow size distribution were prepared by the following sequential steps: (1) Polystyrene/poly(divinyl benzene) and polystyrene/poly(styreneβdivinyl benzene) uniform micromete
A process is described for making emulsions, and microcapsules derived from them, of known, narrow particle size distribution. This can greatly reduce problems of thermodynamic instability and degradation, and improve biological performance by permitting close control of the release rate of capsules