A laser homodyne spectrometer has been used to study the power spectrum of light scattered from dilute polystyrene + 2-butanone solutions. From the measurements the translational diffusion constants for the macromolecules were determined as a function of molecular weight and solute concentration. The analysis of the data included an estimation of the unperturbed dimensions of the polymer.
N. C. Ford, F. E. Karasz and J. E. M. Owen, Discuss. Faraday Soc., 1970, 49, 228 DOI: 10.1039/DF9704900228
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