材料科学与工程学报2017，Vol.35Issue(5)：724-728,774,6.DOI:10.14136/j.cnki.issn 1673-2812.2017.05.008
MES/PET定型相变复合纤维的形貌结构及性能分析
Morphological Structure and Properties of MES/PET Form-stable Phase Change Composite Fibers
摘要
Abstract
Electrospun methyl stearate/polyethylene terephthalate (MES/PET) form-stable phase change composite fibers were fabricated.Distribution structure of the MES acting as solid-liquid PCMs and the PET acting as supporting materials in the form-stable phase change composite fibers was studied.Research results illustrate that the MES component serving as disperse phase is randomly dispersed in the continuous supporting matrix of the PET fibers during electrospinning process.FT-IR analysis indicated no chemical reaction between MES molecules and PET molecules.Melting and freezing temperatures of the MES/PET form-stable phase change composite fibers are 39.84℃ and 27.96℃,and their melting and freezing enthalpies could reach up to 90.43kJ/kg and 88.03kJ/kg,respectively.TGA results suggest that thermal stability of form-stable phase change composite fibers is improved by choosing the PET fibers as supporting materials because the PET fibers have better thermal stability than the MES molecules.Results of tensile tests show that form-stable phase change composite fibers exhibit a typical brittle failure characteristic,and their averaged tensile strength increase with the increase of MES content.关键词
定型相变复合纤维/硬脂酸甲酯/乙醇清洗处理/形貌结构/热性能Key words
form-stable phase change composite fibers/methyl stearate/ethanol wash treatment/morphological structure/thermal properties分类
化学化工引用本文复制引用
柯惠珍,李永贵..MES/PET定型相变复合纤维的形貌结构及性能分析[J].材料科学与工程学报,2017,35(5):724-728,774,6.基金项目
闽江学院引进人才科技预研资助项目(MJY16001),福建省科技计划资助项目(2015H0030) （MJY16001）
