Miscibility in terpolymer-copolymer blends

J. M G Cowie, R. Ferguson, I. J. McEwen, V. M C Reid

Research output: Contribution to journalArticle

Abstract

The phase behaviour of 50 50 blends of a series of terpolymers from styrene, maleic anhydride and acrylonitrile with styrene-acrylonitrile copolymers and styrene-maleic anhydride copolymers has been determined using the single glass transition temperature criterion. The appropriate expression for the overall blend interaction energy density according to the extended Flory-Huggins theory is examined and the general shapes of miscibility contours in composition space are deduced and presented in a novel manner. The experimental miscibility is dependent on both terpolymer and copolymer composition, and is well described by this expression using values of segmental interaction parameters available from the literature. © 1994.

Original languageEnglish
Pages (from-to)1473-1476
Number of pages4
JournalPolymer
Volume35
Issue number7
Publication statusPublished - Mar 1994

Keywords

  • blends
  • copolymer
  • terpolymer

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