Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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Transesterification and Compatibilization in the Blends of Bisphenol-A Polycarbonate and Poly(trimethylene terephthalate)

  • Na Sang-Kuwon (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Kong Byeong-Gi (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Choi Changyong (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Jang Mi-Kyeong (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Nah Jae-Woon (Department of Polymer Science and Engineering, Sunchon National University) ;
  • Kim Jung-Gyu (Chemical and Polymer Science & Engineering, Chosun University) ;
  • Jo Byung-Wook (Chemical and Polymer Science & Engineering, Chosun University)
  • Published : 2005.04.01
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Abstract

Melt blending of Bisphenol A polycarbonate (PC) and poly(trimethylene terephthalate) (PTT) was carried out over the entire composition range. The mixing time was varied up to 90 min. The resulting samples were analyzed by FT-IR, DSC, XRD, DMTA, $^{1}H NMR$, and SEM. The process of transesterification between the two polymers and their resulting compatibilization were observed. The behaviors of the PTT-rich and PC-rich blends were different and an equilibrium was found to exist. Peculiar behavior, which was different from that of the PTT-rich and PC-rich blends, was exhibited by the 50/50 (PTT/PC) blend.

Keywords

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