Abstract
Theoretical gel permeation chromatography curves have been derived for model polydisperse polymers having chosen molecular weight averages and a given degree of random trifunctional branching. Gel permeation chromatography traces had been treated on a computer using the method proposed by D rott, and the molecular weight averages and a branching characteristic obtained were compared with those following directly from the model used (the S tockmayer type of distribution). The basic assumption of D rott (the ratio of the number of branch points to the molecular weight being constant) is discussed.
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