Crystallization Behavior and Tensile Property of Poly（trimethyleneterephthalate）/Styrene-Ethylene-Buthylene-Styrene Composites

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 deter...

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Published in武汉理工大学学报：材料科学英文版 no. 2; pp. 474 - 480
Main Author TSOU Chi-Hui SUEN Maw-Cherng WU Wen-Yen KAO Bo-jlyue YANG Ming-Chien TSOU Chih-Yuan HUNG Wei-Song
Format Journal Article
LanguageEnglish
Published 2016
Subjects
SEBS
丙二醇酯
复合材料
对苯二甲酸
扫描电子显微镜
示差扫描量热法
结晶行为
苯乙烯
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Summary: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.
Bibliography:42-1680/TB
poly（trimethyleneterephthalate）（PTT） styrene-ethylene-buthylene-styrene（SEBS） crystallization
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.
ISSN:1000-2413
1993-0437