石油化工2011，Vol.40Issue(3)：268-271,4.
分散聚合法制备大粒径窄分布单分散聚苯乙烯微球
Preparation of Monodisperse Polystyrene Microspheres with Large Size and Narrow Distribution by Dispersion Polymerization
摘要
Abstract
Monodisperse polystyrene ( PS ) microspheres with different sizes, 2. 05 - 9. 03 μm, were prepared through dispersion polymerization. The effect of monomer concentration, solution polarity,initiator dosage and stabilizer dosage on the particle size and size distribution of the PS microspheres were studied. Under the appropriate conditions of mass fraction of styrene (St) monomer 28％ - 37％,disperse medium(ethanol-water) polarity 4. 5 -5. 2,mass ratio of initiator azodiisobutyronitrile to St 0.03 -0. 05, mass ratio of stabilizer polyvinylpyrrolidone to St 0. 3 - 0. 8, reaction time 24 h and temperature 75 ℃, the PS microspheres with good monodispersion, low dispersion coefficient ( less than 0. 05 ) and large particle size could be prepared.关键词
分散聚合/聚苯乙烯微球/大粒径/窄分布Key words
dispersion polymerizatio/polystyrene microsphere/ large size/ narrow distribution分类
化学化工引用本文复制引用
邱磊,苏向东,韩峰,伍玉娇..分散聚合法制备大粒径窄分布单分散聚苯乙烯微球[J].石油化工,2011,40(3):268-271,4.基金项目
贵州省工业攻关项目(GY(2007)3006). （GY(2007）
