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Desaggregation of commercial polyvinylbutyral in dilute solutions

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Summary

Determination of the molecular parameters of commercial polyvinylbutyral in one-component organic solvents by the light scattering method is rather unreliable. It was found that the cause consists in a small quantity of aggregates, the formation of which can be avoided by dissolving the copolymer direct in a mixture of higher alcohols and water. We showed that from this viewpoint 2-propanol is the optimal choice, because polyvinylbutyral dissolves in it to the molecular form at a relatively broadest possible water content. The way of solvation of the copolymer chain in two-component solvents is demonstrated by means of total and preferential sorption.

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Authors and Affiliations

  1. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia

    L. Mrkvičková & O. Quadrat

Authors
  1. L. Mrkvičková
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  2. O. Quadrat
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Mrkvičková, L., Quadrat, O. Desaggregation of commercial polyvinylbutyral in dilute solutions. Polymer Bulletin 15, 277–283 (1986). https://doi.org/10.1007/BF00255075

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  • DOI: https://doi.org/10.1007/BF00255075

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