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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Hyungsu (Applied Rheology Center, Department of Chemical Engineering Dankook University) Ryu, Joung-Gul (Applied Rheology Center, Department of Chemical Engineering Sogang University) Lee, Jae-Wook (Applied Rheology Center, Department of Chemical Engineering Sogang University)
저널정보
한국유변학회 Korea-Australia rheology journal Korea-Australia rheology journal 제14권 제3호
발행연도
2002.1
수록면
121 - 128 (8page)

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A series of thermoplastic polymers and their blends were melt-processed with high intensity ultrasonic wave in an intensive mixer. For the effective transfer of ultrasonic energy, an experimental apparatus was specially designed so that polymer melt can directly contact with ultrasonic horn. It was observed that significant variations in the rheological properties of polymers occur due to the unique action of ultrasonic wave without any aid of chemical additives. It was also found that the direct sonication on immiscible polymer blends in melt state reduces the domain sizes considerably and stabilizes the phase morphology of the blends. The degree of compatibilization was strongly affected by viscosity ratio of the components and the morphology was stable after annealing in properly compatibilized blends. It is suggested that ultrasound assisted melt mixing can lead to in-situ copolymer formation between the components and consequently provide an effective route to compatibilize immiscible polymer blends.

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