Studies on the preparation and characterization of monodisperse polystyrene latices

I. Preparation
  • R. H. Ottewill
  • J. N. Shaw
Originalarbeiten Kolloide
Received:

Summary

A description is given of the methods used for the preparation of monodisperse polystyrene latices using hydrogen peroxide as an initiator and sodium dodecanoate, sodium dodecyl hydrogen phosphate and dodecylamine hydrochloride as surface active agents for the emulsification of styrene. The latices prepared had a small coefficient of variation on particle diameter as measured by electron microscopy. The range of particle sizes investigated was from 500–5000 Å. The diameters of the particles determined, where possible, from Higher Order Tyndall Spectra were in reasonable agreement with those determined by electron microscopy. Determination of the surface area of one latex by krypton adsorption gave a surface area in close agreement with that obtained from electron microscope observations.

Keywords

Critical Micelle Concentration Latex Particle Surface Active Agent Seed Dispersion Soap Film 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Zusammenfassung

Die Methoden zur Präparation monodisperser Polystyrol-Latices werden beschrieben, wobei als Initiator Wasserstoffsuperoxid und als Emulgator Natriumdodecanoat, Natriumdodecyl-Hydrogenphosphat und Dodecylamin-Hydrochlorid Verwendung fanden. Die erhaltenen Latices haben einen kleinen Koeffizienten der Variation des Teilchen-Durchmessers, bestimmt mit Elektronenmikroskopie. Die Partikelgröße schwankte innerhalb 500–5000 Å. Die Teilchen-Durchmesser aus höheren Ordnungen des Tyndall-Spektrums stehen in vernünftigerÜbereinstimmung mit denen aus elektronenmikroskopischen Untersuchungen. Die Bestimmung der Oberflächengröße eines Latex durch Krypton-Adsorption gab eine Oberfläche ebenfalls in guter Übereinstimmung mit der elektronenmikroskopischen Beobachtung.

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Copyright information

© Dr. Dietrich Steinkopff Verlag 1967

Authors and Affiliations

  • R. H. Ottewill
    • 1
  • J. N. Shaw
    • 1
  1. 1.School of ChemistryUniversity of BristolBristolEngland

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