HIGHLY CROSS-LINKED MICRON-RANGE POLYMER MICROSPHERES BY DISPERSION POLYMERIZATION OF DIVINYLBENZENE

被引：82

作者：

LI, K ^{[1
]}

STOVER, HDH ^{[1
]}

机构：

[1] MCMASTER UNIV,DEPT CHEM,HAMILTON L8S 4M1,ONTARIO,CANADA

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1993年 / 31卷 / 10期

关键词：

DISPERSION POLYMERIZATION; CROSS-LINKED MICROSPHERES; DIVINYLBENZENE;

D O I：

10.1002/pola.1993.080311007

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Narrow disperse microparticles are formed by dispersion polymerization of commercial divinylbenzene in acetonitrile or ethanol solution in the presence of 2,2'-azobis(2-methylpropionitrile) initiator and polyvinylpyrrolidone stabilizer. The particles have average diameters between 1 and 9 mum depending on monomer concentration, solvent, and temperature. While the smaller particles are relatively smooth, surface texture increases with diameter to give popcorn shapes at 9 mum diameter. High crosslinker concentration is shown to be essential for particle formation. (C) 1993 John Wiley & Sons, Inc.

引用

页码：2473 / 2479

页数：7

共 25 条

[1] MONODISPERSE POLYMERIC SPHERES IN THE MICRON SIZE RANGE BY A SINGLE STEP PROCESS [J].