The oligomers formed in the beginning of the emulsion polymerization of vinyl acetate were characterized by surface tension measurements, analysis of molecular weight distribution and light scattering. The results indicate that primary particle formation in the emulsion polymerization of vinyl acetate is due to an oligomeric micellization. Additionally, these oligomers are strongly adsorbed onto highly dispersed silica particles in the aqueous phase. This effect leads to a disaggregation of the filler particles during the beginning of the emulsion polymerization.
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Hergeth et al. (1991) studied this question.
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