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Results on the emulsion polymerization of a styrenated acrylic resin using polymerizable surfactants are presented. These surfactants exhibit low foaming, high film strength upon contact with water and good stability in the polymerization. A comparison was made with results for conventional non-polymerizable alkyl aryl polyglycol ether sulphate, sodium salt and nonylphenolethoxylate surfactants. The effect of these polymerizable surfactants on the particle size distribution of the resin was evaluated; in addition to determining the final properties of the resin such as solids content, free monomer content, viscosity and pH. It is feasible to totally replace non-polymerizable surfactants by the polymerizable surfactants evaluated without affecting significantly the properties of the resin, while partial substitution of the non-polymerizable surfactants induces, in some cases, the formation of particles with larger sizes than those in the standard resin.

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Efecto del Uso de Surfactantes Polimerizables en la Distribución de Tamaño de Partícula, pH, Viscosidad, Contenidos de Sólidos y de Monómero Residual de una Resina Estireno-Butilacrilato