Light Scattering Measurements in the System Polystyrene-Cyclohexane Near the Miscibility Gap

  • Th. Philipps
  • W. Borchard

Abstract

The phase separation of polymer-solvent systems is detected by means of dynamic light scattering with a much higher sensitivity than with other methods in use up to now. The spinodal temperature can be determined from the extrapolation of the temperature dependence of the translational diffusion coefficient D at constant composition. The extrapolation of D to zero concentration leads to the mobility of the polymer.

Keywords

Apparent Diffusion Coefficient Thermodynamic Factor Translational Diffusion Coefficient Cloud Point Temperature Spinodal Curve 
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.

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Copyright information

© Elsevier Science Publishers Ltd 1990

Authors and Affiliations

  • Th. Philipps
    • 1
  • W. Borchard
    • 1
  1. 1.Angewandte PhysikalChemie der Universität-GH-DuisburgGermany

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