The Binary Blends, Transreaction and Copolymers of Bisphenol-A Polycarbonate and a Polyarylate

  • Masao Kimura
  • Roger S. Porter


Physical blends of bisphenoI-A polycarbonate (PC) and a polyarylate (PAr) exhibit by thermal analysis two amorphous phases: a pure PC phase and a PAr-rich miscible mixed phase. On controlled thermal treatment, transreaction between PC and PAr takes place mainly in the mixed phase, producing a new copolymer. Reaction progression from block to random copolymers has been traced by DSC, 13C NMR and GPC. The final product of transreaction is an amorphous copolymer showing a single Tg depending on the original binary composition.


Glass Transition Temperature Block Copolymer Polymer Blend Random Copolymer Binary Blend 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Masao Kimura
    • 1
  • Roger S. Porter
    • 1
  1. 1.Materials Research Laboratory Polymer Science and Engineering DepartmentUniversity of MassachusettsAmherstUSA

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