Molecular weight distribution of polystyrene by sedimentation velocity analysis
- 1 April 1959
- journal article
- research article
- Published by Wiley in Journal of Polymer Science
- Vol. 36 (130) , 341-349
- https://doi.org/10.1002/pol.1959.1203613030
Abstract
Analysis of sedimentation velocity experiments employing a θ solvent has been applied to measure the molecular weight distribution of both broad‐ and narrow‐distribution polystyrene. The θ solvent was found necessary for satisfactory results. The required sedimentation constant‐molecular weight relationship was obtained from both intrinsic viscosity data and molecular weights obtained by Archibald's method.Keywords
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