Reactive blends of poly(butylene terephthalate)/polyamide-6 with ethylene glycidyl methacrylate

Han, M.S.; Lim, B.H.; Jung, H. C.; Hyun, J.C.; Kim, S.R.; Kim, W.N.

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자료유형: 학술저널

저자정보: Han, M.S. (Department of Chemical Engineering, Applied Rheology Center Korea University) Lim, B.H. (Department of Chemical Engineering, Applied Rheology Center Korea University) Jung, H. C. (Department of Chemical Engineering, Applied Rheology Center Korea University) Hyun, J.C. (Department of Chemical Engineering, Applied Rheology Center Korea University) Kim, S.R. (Department of Chemical Engineering, Applied Rheology Center Korea University) Kim, W.N. (Polymeric Materials Group, Samyang R & D Center, Samyang Corp.)

저널정보: 한국유변학회 Korea-Australia rheology journal Korea-Australia rheology journal 제13권 제4호

발행연도: 2001.1

수록면: 169 - 177 (9page)

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Morphological, thermal, rheological, and mechanical properties of reactive compatabilized blends of poly(butylene terephthalate) (PBT) and Polyamide-6 (PA) containing EGMA copolymer were investigated using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), advanced rheometric expansion system (ARES), and universal testing machine (UTM). From the results of thermal analysis by DSC, the melting point of the 30/70 PBT-PA blend was broadened after EGMA was added in the blends, since the enthalpy of melting of the PBT-PA somewhat decreased with the increase of EGMA content. From this result, it is suggested that the EGMA affected to the crystallization behavior and crystallinity of the PBT-PA blends. From SEM micrographs of the 70/30, 50/50, and 30/70 PBT-PA blends, the droplet size of the 30/70 PBT-PA blend was about 0.8 ${\mu}{\textrm}{m}$ which was smaller than that of the 50/50 and 70/30 PBT-PA blends. The complex viscosity of the 30/70 PBT-PA blend observed to be higher than that of the 50/50 and 70/30 PBT-PA blends. From the results of the morphology and rheological properties for the PBT-PA blends, it is suggested that the compatibility is increased in the 30/70 PBT-PA blend than the 50/50 and 70/30 PBT-PA blends. From the results of mechanical properties, it was found that the tensile strength of the 30/70 PBT-PA blend increased with the increase of EGMA up to 2 phr, while tensile strength of the blend in which EGMA content was higher than 2 phr decreased with the increase of EGMA content. From the results of morphological, thermal, rheological, and mechanical properties for the PBT-PA-EGMA blends, it is suggested that the EGMA could be used as a compatibilization role in the blends.

#reactive polymer blends #ethylene glycidyl methacrylate #reactive compatibilizer

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