Aggregation of positively charged poly(methyl methacrylate) latex particles in the presence of trifluoromethanesulfonate anion

被引：0
|
作者：
Yamazaki, Takashi [1 ]
Tsuji, Toshikazu [1 ]
机构：
[1] Kirin Holdings Co Ltd, Kirin Cent Res Inst, Res & Dev Div, 26-1,Muraoka Higashi 2-chome, Fujisawa, Kanagawa 2518555, Japan
来源：
CHEMISTRY LETTERS | 2024年 / 53卷 / 07期
关键词：
aggregation; dynamic light scattering; triflate;
D O I：
10.1093/chemle/upae136
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We investigated the unique aggregation behavior of 3 types of positively charged poly(methyl methacrylate) (PMMA) latex particles in the presence of a trifluoromethanesulfonate (triflate) anion. The particles were prepared based on surfactant-free emulsion polymerization using azo radical initiators. The triflate anion was strongly adsorbed to surfaces of positively charged PMMA latex particles, as confirmed by electrophoresis. Additionally, its presence significantly reduced the critical coagulation concentration of the cationic PMMA latex particles compared with other anions.
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页数：4
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