A physicochemical study of poly(vinyl chloride) in solution

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Abstract
This paper summarizes results obtained by studying solutions of poly (vinyl chloride) in various solvents by light‐scattering, sedimentation analysis, streaming birefringence, viscometry, and osmometry. Determination of certain molecular parameters (molecular weight, dimensions of maeromolecules, and optical anisotropy of segments) is described and attention is paid to the complications which arise from the presence of supermolecular structures occurring in the solutions of poly(vinyl) chloride even in good solvents. Some conditions are given for the occurrence of the sepermolecular structures in thermodynamically good, as well as poor solvents (both single and mixed), and the structures are partially characterized. The presence of supermolecular structures makes it impossible to determine directly certain parameters, in particular, molecular dimensions.

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