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논문 기본 정보

자료유형
학술저널
저자정보
Kim, J.H. (Department of Chemical Engineering, Chung-Ang University) Kim, M.J. (Department of Chemical Engineering, Chung-Ang University) Kim, C.K. (Department of Chemical Engineering, Chung-Ang University) Lee, J.W. (Department of Chemical Engineering, Sogang University)
저널정보
한국유변학회 Korea-Australia rheology journal Korea-Australia rheology journal 제13권 제3호
발행연도
2001.1
수록면
125 - 130 (6page)

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Block copolymers of PC-b-PMMA (polycarbonate-b-polymethylmethacrylate) and PC -b-SAN (polycarbonate-b-(styrene-c-acrylonitrile)), were examined as compatibilizers for blonds of PC with SAN copolymer. The average diameter of the dispersed particles was measured with an image analyser, and the interfacial properties of the blonds were analysed with an imbedded fiber retraction (IFR) technique. The average diameter of dispersed particles and interfacial tension of the PC/SAN blends reached a minimum value when the SAN copolymer contained about 24 wt% AN. Interfacial tension and particle size were further reduced by adding compatibilizer to the PC/SAN blends. PC-b-PMMA was more effective than PC-b-SAN as a compatibilizer in reducing the average diameter of the dispersed particles and interfacial tension of PC/SAN blend. A direct proportionality between the particle diameter and interfacial tension was also observed. The interfacial properties of the PC/SAN blends were optimized by adding a block copolymer and using an SAN copolymer that had minimum interaction energy with PC.

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