中国塑料2025，Vol.39Issue(4)：25-30,6.DOI:10.19491/j.issn.1001-9278.2025.04.005
PET/ZnO纳米复合材料的制备及结晶性能
Study on preparation and crystalline properties of PET/ZnO nanocomposites
郭又晟 1陈延明 1王海玥 1张文帅1
作者信息
- 1. 沈阳工业大学石油化工学院,辽宁 辽阳 111003
- 折叠
摘要
Abstract
PET/ZnO nanocomposites were prepared through melt blending using polyethylene terephthalate(PET)and sodium oleate-modified nano-ZnO(4.73 nm)as raw materials for at nano-ZnO contents of 0,0.02,0.5,and 1.0 wt%.Differential scanning calorimetry was carried out to investigate the effect of cooling rate on the crystallization behavior of the nanocomposites.The results indicated that the crystallization temperature of PET/ZnO nanocomposites shifted to a low temperature,followed by a gradual increase in the width of crystallization peak,and their half crystallization time al-so tended to decrease with an increase in the cooling rate.In contrast pure PET,the crystallization ability and crystalliza-tion rate of the nanocomposites were improved at the same cooling rate with an increase in the nano-ZnO content.The non-isothermal crystallization kinetics was studied by the Jeziorny's method.The results indicated that the range of n val-ue varied,indicating that the addition of nano-ZnO generated a certain effect on the original growing mode of PET.The crystallization rate constant(Zc)increased with an increase in the nano-ZnO content.However,the Zc value of the nano-composites almost did not change at a nano-ZnO content of 1.0 wt%.The thermal stability and crystalline morphology of the nanocomposites were further analyzed by thermogravimetric analysis and hot-plate polarizing microscope.The re-sults demonstrated that the incorporated nano-ZnO could act as a nucleating agent for the crystallization of PET,but it had little effect on the thermal stability of PET.关键词
聚对苯二甲酸乙二酯/纳米氧化锌/复合材料/结晶速率/非等温结晶动力学Key words
polyethylene terephthalate/nano-ZnO/nanocomposite/crystallization rate/non-isothermal crystallization kinetics分类
化学工程引用本文复制引用
郭又晟,陈延明,王海玥,张文帅..PET/ZnO纳米复合材料的制备及结晶性能[J].中国塑料,2025,39(4):25-30,6.
