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Miscible blends of poly(N-vinyl-2-pyrrolidone) with polysulfone and carboxylated polysulfone

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Summary

The miscibility of poly(N-vinyl-2-pyrrolidone) (PVP) with polysulfone and carboxylated polysulfone was studied. Based on the optical appearance and the glass transition behavior of the blends, PVP was found to be miscible with polysulfone and four carboxylated polysulfone samples with degrees of carboxylation ranging between 0.43 and 1.93. All the miscible blends did not show lower critical solution temperature behavior. The Tg-composition curves of all the miscible blend systems can be described by the Gordon-Taylor equation.

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Authors and Affiliations

  1. Department of Chemistry, National University of Singapore, 0511, Singapore, Republic of Singapore

    S. H. Goh

  2. Department of Chemical Engineering, National University of Singapore, 0511, Singapore, Republic of Singapore

    W. W. Y. Lau & C. S. Lee

Authors
  1. S. H. Goh
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  2. W. W. Y. Lau
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  3. C. S. Lee
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Goh, S.H., Lau, W.W.Y. & Lee, C.S. Miscible blends of poly(N-vinyl-2-pyrrolidone) with polysulfone and carboxylated polysulfone. Polymer Bulletin 26, 319–323 (1991). https://doi.org/10.1007/BF00587976

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  • DOI: https://doi.org/10.1007/BF00587976

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