物理化学学报 >> 1999, Vol. 15 >> Issue (08): 747-751.doi: 10.3866/PKU.WHXB19990815

研究简报 上一篇    下一篇

微波合成均分散高分子微球及其机理

翟慕衡, 张文敏, 盛恩宏, 傅中, 张峰   

  1. 安徽师范大学化学系,芜湖 241000
  • 收稿日期:1998-09-09 修回日期:1999-01-04 发布日期:1999-08-15
  • 通讯作者: 张文敏

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

Zhai Mu-Heng, Zhang Wen-Min, Sheng En-Hong, Fu Zhong, Zhang Feng   

  1. Department of Chemistry,Anhui Normal University,Wuhu 241000
  • Received:1998-09-09 Revised:1999-01-04 Published:1999-08-15
  • Contact: Zhang Wen-Min

关键词: 微波辐射, 无皂乳液聚合, 聚苯乙烯, 聚甲基丙烯酸甲酯

Abstract:

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.

Key words: Microwave irradiation, Emulsifier-free polymerization, Polystyrene, Polymethylmethacylate