On the preparation of stable poly(2-hydroxyethyl methacrylate) nanoparticles

被引：0
|
作者：
Klaus Tauer
A. M. Imroz Ali
Milos Sedlak
机构：
[1] Max Planck Institute of Colloids and Interfaces,Department of Organic Chemistry
[2] University of Pardubice,undefined
来源：
Colloid and Polymer Science | 2005年 / 283卷
关键词：
2-hydroxyethyl methacrylate; Heterophase polymerization; Latex particles; Hydrophobic initiators; Surface-active initiators;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A comprehensive experimental study of aqueous heterophase homopolymerization of 2-hydroxyetyl methacrylate revealed special conditions that must be fulfilled in order to obtain stable latex particles in the nanometer size range. The results clearly show that the formation and the stability of this kind of hydrophilic latex particle strongly depends on the hydrophobic-hydrophilic properties of both the initiating radicals and the stabilizers. Hydrophobic initiators in combination with sodium alkyl sulfate surfactants of proper chain lengths or ionic surface-active initiators lead to stable latex particles. In the latter case the particles keep their identity and spherical shape even after drying of the aqueous dispersion.
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页码：351 / 358
页数：7
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