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Melting behaviour of poly(butylene succinate) in miscible blends with poly(ethylene oxide)

Melting behaviour of poly(butylene succinate) in miscible blends with poly(ethylene oxide),10.1016/S0032-3861(03)00216-7,Polymer,Zhaobin Qiu,Takayuki

Melting behaviour of poly(butylene succinate) in miscible blends with poly(ethylene oxide)   (Citations: 19)
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The melting behavior of poly(butylene succinate) (PBSU) in miscible blends with poly(ethylene oxide) (PEO), which is a newly found polymer blends of two crystalline polymers by our group, has been investigated by conventional differential scanning calorimetry (DSC). It was found that PBSU showed double melting behavior after isothermal crystallization from the melt under certain crystallization conditions, which was explained by the model of melting, recrystallization and remelting. The influence of the blend composition, crystallization temperature and scanning rate on the melting behavior of PBSU has been studied extensively. With increasing any of the PEO composition, crystallization temperature and scanning rate, the recrystallization of PBSU was inhibited. Furthermore, temperature modulated differential scanning calorimetry (TMDSC) was also employed in this work to investigate the melting behavior of PBSU in PBSU/PEO blends due to its advantage in the separation of exotherms (including crystallization and recrystallization) from reversible meltings (including the melting of the crystals originally existed prior to the DSC scan and the melting of the crystals formed through the recrystallization during the DSC scan). The TMDSC experiments gave a direct evidence of this melting, recrystallization and remelting model to explain the multiple melting behavior of PBSU in PBSU/PEO blends.
Journal: Polymer , vol. 44, no. 10, pp. 3095-3099, 2003
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