New Insights on surfactant-free styrene emulsion polymerization in The presence of sodium styrene sulfonate

被引：11

作者：

Farias-Cepeda, Lorena ^{[1
,4
]}

Herrera-Ordonez, Jorge ^{[2
]}

Estevez, Miriam ^{[2
]}

Luna-Barcenas, Gabriel ^{[3
]}

Rosales-Marines, Lucero

机构：

[1] CIQA, Blvd Enrique Reyna Hermosillo 140, Saltillo 25294, Coahuila, Mexico

[2] UNAM, CFATA, Campus Juriquilla,Blvd Juriquilla 3001, Queretaro 76230, Juriquilla, Mexico

[3] IPN, CINVESTAV, Grp Polimeros & Biopolimeros, Libramiento Norponiente 2000, Queretaro 76230, Real De Juriqui, Mexico

[4] Univ Autonoma Coahuila, Fac Ciencias Quim, Blvd V Carranza & Ingn Jose Cardenas V, Saltillo 25280, Coahuila, Mexico

来源：

COLLOID AND POLYMER SCIENCE | 2016年 / 294卷 / 10期

关键词：

Emulsion polymerization; Nucleation; Colloidal stability; Styrene; Sodium styrene sulfonate; Particle size distribution; AQUEOUS-PHASE POLYMERIZATION; PARTICLE NUCLEATION; LATEX-PARTICLES; KINETICS; COPOLYMERIZATION; CMC;

D O I：

10.1007/s00396-016-3917-4

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：

The surfactant-free styrene emulsion polymerization (EP) in the presence of sodium styrene sulfonate (NaSS) was experimentally studied. It was observed that as the NaSS content is higher the number of particles (N) and the breath of the particle size distributions increases. Although EP's were performed without added surfactant, the N values obtained in these cases reach values typical of EP's performed in the presence of micelles. These experimental findings are explained in terms of the role of the oligomers formed in the aqueous phase and the feasibility that in situ micellization and micellar nucleation were occurring in these systems is also discussed. The hypothesis proposed in this work contrasts with the ones reported in the literature.

引用

页码：1571 / 1576

页数：6

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