PREPARATION AND CHARACTERIZATION OF LOW SIZE POLYSTYRENE LATEX-PARTICLES WITH VARIOUS STRONG ACID SURFACE-CHARGES

被引：18

作者：

GRAILLAT, C ^{[1
]}

PICHOT, C ^{[1
]}

GUYOT, A ^{[1
]}

机构：

[1] CNRS,UMR 103,F-69364 LYONS 07,FRANCE

来源：

COLLOIDS AND SURFACES | 1991年 / 56卷

关键词：

D O I：

10.1016/0166-6622(91)80120-D

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Small polystyrene latex particles in the size range 30-120 nm have been prepared by emulsion polymerization at 70-degrees-C in the presence of a zwitterionic surfactant N,N-dodecyldimethylammoniopropane sulfonate (NC12). The influence of various initiating systems on the particle size and distribution and on the strong acid surface charge density has been investigated. It was found that the potassium persulfate-sodium metabisulfite mixture was an efficient system, especially for producing monodisperse latexes having the same particle size but exhibiting various (sulfate + sulfonate) surface charge densities.

引用

页码：189 / 200

页数：12

共 33 条

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