Surface morphology evaluation of polymer beads based on divinylbenzene by atomic force microscopy

被引：5
|
作者：
Neves, MAFS
Coutinho, FMB [1 ]
Dias, ML
Simao, RA
Achete, CA
机构：
[1] UFRJ, Inst Macromol Professora Eloisa Mano, Rio De Janeiro, Brazil
[2] UERJ, IQ, Dept Proc Ind, Rio De Janeiro, Brazil
[3] UFRJ, COPPE, Programa Engn Met & Mat, Rio De Janeiro, Brazil
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2002年 / 84卷 / 03期
关键词：
poly(styrene-co-divinylbenzene); poly(divinylbenzene); atomic force microscopy; pore structure; microspheres; nitrogen adsorption;
D O I：
10.1002/app.10290
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Macroporous poly(styrene-co-divinylbenzene) and poly(divinylbenzene) beads were synthesized by modified suspension polymerization in the presence of different mixtures of toluene and heptane as porogen agent. Through atomic force microscopy, it was possible to identify the microspheres and the channels between them that constitute the bead pores. It was also possible to make a comparison with the results obtained by nitrogen desorption, a traditional technique used to determine the porosity of macroporous copolymers in the dry state. (C) 2002 John Wiley Sons, Inc.
引用
收藏
页码：541 / 551
页数：11
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