Abstract

As a class of compounds, polymer colloids are of great industrial and technological importance, finding uses directly in, for example, paints, coatings and rubbers. Further, suspension- and emulsion-polymerization procedures, which produce polymers in the form of fine suspensions, account for a very large proportion of synthetic-polymer production. Knowledge of latex particle size and particle-size distribution (PSD) are of paramount importance in both instances. In the first, latex physical properties which largely determine end uses, such as gloss or opacity of films, rheological and electrical properties and latex stability, depend largely on these two factors. In the field of emulsion- and suspension-polymerization, particle size and PSD are key quality-control parameters. In addition, their reliable determination assists in constructing process models for simulation and control of polymerization reactors.

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