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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)
Publication Information
Macromolecular Research / v.13, no.2, 2005 , pp. 88-95 More about this Journal
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
poly(trimethylene terephthalate); polycarbonate; blend; transesterification; compatibilization;
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