Abstract
The particle size distribution of dispersions is an important parameter for viscosity, gloss and opacity and can be determined with great precision by analytical ultracentrifugation. A method using this technique has been developed at Bayer [1] and is now in widespread use. It was recently found to be the most satisfactory method in a recent ringtest of techniques for the submicron range. The high performance of this method is seen from the fact that a sample containing nine components can be analysed exactly. Its high resolving power is proved by a baseline separation of monodisperse components, differing by 10% of diameter only. To detect low quantities of small particles, measurements are performed at different concentrations and then coupled, yielding a high degree of precision. This method has been successfully applied to competitive growth experiments in emulsion polymerization and other areas.
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© 1997 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG
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Müller, H.G. (1997). New contributions of analytical ultracentrifugation to the investigation of dispersions. In: Jaenicke, R., Durchschlag, H. (eds) Analytical Ultracentrifugation IV. Progress in Colloid & Polymer Science, vol 107. Steinkopff. https://doi.org/10.1007/BFb0118031
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DOI: https://doi.org/10.1007/BFb0118031
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