화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.13, No.2, 88-95, April, 2005
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Transesterification and Compatibilization in the Blends of Bisphenol-A Polycarbonate and Poly(trimethylene terephthalate)
Sang-Kuwon Na, Byeong-Gi Kong, Changyong Choi, Mi-Kyeong Jang, Jae-Woon Nah†, Jung-Gyu Kim1, and Byung-Wook Jo1
  • Department of Polymer Science and Engineering, Sunchon National University, Suncheon 540-742, Korea
  • 1Chemical and Polymer Science & Engineering, Chosun University, Gwangju 501-759, Korea
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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.
Keywords:poly(trimethylene terephthalate);polycarbonate;blend;transesterification;compatibilization.
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