HYDROGEL MICROSPHERES .2. PRECIPITATION COPOLYMERIZATION OF ACRYLAMIDE WITH COMONOMERS TO PREPARE MONODISPERSE HYDROGEL MICROSPHERES

被引：39

作者：

KAWAGUCHI, H

YAMADA, Y

KATAOKA, S

MORITA, Y

OHTSUKA, Y

机构：

[1] Department of Applied Chemistry, Keio University, Yokohama, 223, 3-14-1 Hiyoshi, Kohoku-ku

来源：

POLYMER JOURNAL | 1991年 / 23卷 / 08期

关键词：

HYDROGEL; MICROSPHERE; PRECIPITATION POLYMERIZATION POLYACRYLAMIDE; MONODISPERSE PARTICLE;

D O I：

10.1295/polymj.23.955

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Precipitation polymerization of acrylamide (AAm) and methylene-bisacrylamide (MB) was carried out in alcohols. Large, bulky and porous particles were formed by the polymerization. On the contrary, copolymerization of AAm and MB with a certain amount of methacrylic acid (MAc) resulted in the formation of fine monodisperse hydrogel microspheres. This was attributed to the contribution of MAc units to the stabilization of the particles formed at the initial stage of polymerization and the enhancement of swelling of the particles by monomer and alcohol.

引用

页码：955 / 962

页数：8

共 11 条

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