Viscosity of dilute solutions of polyvinyl alcohol
- 1 March 1957
- journal article
- research article
- Published by Wiley in Journal of Polymer Science
- Vol. 24 (105) , 125-134
- https://doi.org/10.1002/pol.1957.1202410515
Abstract
The viscosity of dilute solutions of polyvinyl alcohol was measured in aqueous and aqueous phenol systems. In the aqueous solution, Huggins' relation does not hold and a2 = 2.01 × 10−1 [η]2.28 was obtained. In the aqueous phenol solution, Huggins' relation holds very well. The relation between a2 and [η] in both systems is independent of the polymerization conversion of the original polyvinyl acetate. The exponent α of [η] = KMα is greater in the aqueous phenol system than in aqueous solution, showing that the aqueous phenol is a better solvent than water.Keywords
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