文献类型：期刊文献

中文题名：PET／纳米硫酸钡复合材料性能研究

英文题名：STUDY ON THE PROPERTY OF PET/NANO BaSO_4 COMPOSITE

作者：张振涛[1];沈春银[1];刘学习[1];陈焰[2]

机构：[1]华东理工大学聚合物加工研究室,上海200237;[2]上海安亿纳米材料有限公司,上海200436

年份：2008

卷号：36

期号：2

起止页码：8

中文期刊名：工程塑料应用

外文期刊名：Engineering Plastics Application

收录：CSTPCD;;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

语种：中文

中文关键词：纳米硫酸钡;聚对苯二甲酸乙二酯;结晶性能;力学性能;热变形温度

外文关键词：nano BaSO4 , PET, crystalline property, mechanical property, distortion temperature

摘要：通过熔融共混法制备聚对苯二甲酸乙二酯(PET)/纳米BaSO4复合材料,研究了纳米BaSO4对PET结晶行为、力学性能及热性能的影响。结果表明,纳米BaSO4在PET基体中起到了成核剂的作用,明显提高了基体树脂的结晶温度和结晶速率,并使材料的DSC曲线发生了显著变化;纳米BaSO4对PET有明显的增强作用,当其质量分数为2%时,PET/纳米BaSO4复合材料的力学性能最优,对比纯PET试样,其拉伸强度和弯曲强度分别提高了16%和18.6%,拉伸弹性模量和弯曲弹性模量分别提高了32%和14%,缺口冲击强度稍有下降;纳米BaSO4也可提高PET的热变形温度。
PET/nano BaSO4composites were manufactured by melt blending process. Effect of nano BaSO4 on crystallization, mechanical properties and heat resistance were studied. It was found that nano BaSO4 acted as a nucleating agent in PET, and it in- creased the crystallization temperature and crystallization rate of PET obviously. Nano BaSO4 improved mechanical properties of PET obviously, when the mass percentage of nano BaSO4 was 2% , the mechanical property of the composite was best, and the tensile strength and flexural strength of the composite were increased by 16% and 18.6%, while the tensile modulus and flexural modulus of the composite were increased by 32% and 14%, respectively,compared with pure PET. At the same time, nano BaSO4 could improve the distortion temperature of PET.