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Transesterification and compatibilization in the blends of bisphenol-A polycarbonate and poly(trimethylene terephthalate)

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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,1H 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.

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Na, S., Kong, B., Choi, C. et al. Transesterification and compatibilization in the blends of bisphenol-A polycarbonate and poly(trimethylene terephthalate). Macromol. Res. 13, 88–95 (2005). https://doi.org/10.1007/BF03219020

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Keywords

  • poly(trimethylene terephthalate)
  • polycarbonate
  • blend
  • transesterification
  • compatibilization