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

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 per...

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Bibliographic Details
Published in:Colloid and polymer science 2016-10, Vol.294 (10), p.1571-1576
Main Authors: Farias-Cepeda, Lorena, Herrera-Ordonez, Jorge, Estevez, Miriam, Luna-Barcenas, Gabriel, Rosales-Marines, Lucero
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Emulsion polymerization
Feasibility
Food Science
Nanotechnology and Microengineering
Nucleation
Oligomers
Original Contribution
Particle size distribution
Physical Chemistry
Polymer Sciences
Sodium
Soft and Granular Matter
Styrenes
Sulfonates
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Summary: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.
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-016-3917-4