Poly（trimethyleneterephthalate）（PTT）/styrene-ethylene-buthylene-styrene（SEBS）composites were prepared by melt compounding.Polarizing opticalmicroscopy was used to observe the spherulitic morphology and the cryst...Poly（trimethyleneterephthalate）（PTT）/styrene-ethylene-buthylene-styrene（SEBS）composites were prepared by melt compounding.Polarizing opticalmicroscopy was used to observe the spherulitic morphology and the crystalstructure of PTT and PTT/SEBS composites.Scanning electron microscopy was used to determine the dispersion and the compatibility of fracture surfaces of PTT and SEBS.The curves of thermalgravimetric analysis illustrated that the thermo stability decreased with increasing SEBS content.Differentialscanning calorimetry was used to investigate the crystallization behavior;and the result showed that the glass transition temperature of the compound increased with the SEBS content.The Avramiequation described the isothermalcrystallization kinetics.Stress-strain curves for PTT and PTT/SEBS composites showed that the elongation at break was enhanced with increasing SEBS content.展开更多
基金Far Eastern New Century Corporation,Apex Nanotek Corporation,Grabio Greentech Corporation,ChingYung Trading Co.,Ltd.,Fabric King Textile Co.,Ltd.,Everlight Chemical Industrial Corporationthe Institute of Labor,Occupational Safety and Health,Ministry of Laborthe Ministry of Economic Affairs,and the National Science Council for supporting this work
文摘Poly（trimethyleneterephthalate）（PTT）/styrene-ethylene-buthylene-styrene（SEBS）composites were prepared by melt compounding.Polarizing opticalmicroscopy was used to observe the spherulitic morphology and the crystalstructure of PTT and PTT/SEBS composites.Scanning electron microscopy was used to determine the dispersion and the compatibility of fracture surfaces of PTT and SEBS.The curves of thermalgravimetric analysis illustrated that the thermo stability decreased with increasing SEBS content.Differentialscanning calorimetry was used to investigate the crystallization behavior;and the result showed that the glass transition temperature of the compound increased with the SEBS content.The Avramiequation described the isothermalcrystallization kinetics.Stress-strain curves for PTT and PTT/SEBS composites showed that the elongation at break was enhanced with increasing SEBS content.
