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Citation: Zhai Mu-Heng, Zhang Wen-Min, Sheng En-Hong, Fu Zhong, Zhang Feng. Preparation of Monodispersed Macromolecule Microspheres by Microwve Irradiation and Research on the Mechanism of Its Formation[J]. Acta Physico-Chimica Sinica, ;1999, 15(08): 747-751. doi: 10.3866/PKU.WHXB19990815 shu

Preparation of Monodispersed Macromolecule Microspheres by Microwve Irradiation and Research on the Mechanism of Its Formation

1.
Department of Chemistry,Anhui Normal University,Wuhu 241000

Received Date: 9 September 1998
Available Online: 15 August 1999

Polymerization of styrene and methylmethacrylate was conducted in the presence of seeds and microwave irradiation. The particles were characterized by laser light scattering and transmission electron microscopy. Making comparison between two kinds of microsphere formation processes, we have obtained some information on the mechanism of the particle formation. For polystyrene the process was mainly conducted on the seeds. However, for polymethylmacrylate at the lower concentration range, the process was mainly conducted in the solution, in contrary, at higher concentration, it occured mainly on the seeds.
- Microwave irradiation,
- Emulsifier-free polymerization,
- Polystyrene,
- Polymethylmethacylate
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