中国塑料2018，Vol.32Issue(3)：116-121,6.DOI:10.19491/j.issn.1001-9278.2018.03.019
阻隔性薄膜透湿性能的电解法和红外法测试分析
Analysis of Water Vapor Permeability of Barrier Plastic Films by Electrolytic and Infrared Detection Sensor Methods
摘要
Abstract
Water vapor transmission rates of barrier plastic films were investigated at different temperatures and relative humidity by electrolytic and infrared detection sensor methods.Effects of temperature and film type on the water vapor permeability were analyzed,and the experimental results obtained from the electrolytic and infrared detection sensor methods were compared.The results indicated that PET film with a thickness of 12 μm presented greater water vapor permeability than that with a thickness of 25 μm.PET/Al film with a thickness of 12 μm and PVDC film with a thickness of 25μm exhibited smaller water vapor permeability than that of the two PET films.The water vapor transmission rates increased with an increase in temperature for these four barrier plastic films.However,the temperature had less effect on the water vapor transmission rates of PET/Al film with a thickness of 12μm and PVDC film with a thickness of 25μm,and there was a linear relationship between the logarithm of water vapor transmission rate and the reciprocal of thermodynamic temperature.Test results obtained from the infrared detection sensor method were greater that those from the electrolytic detection sensor one.The difference between these two test results for PET/Al film with a thickness 12 μm and the PVDC with a thickness 25 μm was larger than those for PET films with thicknesses of 12 and 25 μm.关键词
聚对苯二甲酸乙二酯薄膜/聚偏二氯乙烯薄膜/透湿性能/电解法/红外法Key words
poly(ethylene terephthalate) film/poly(vinylidene dichloride) film/water vapor permeability/electrolytic detection sensor method/infrared detection sensor method分类
化学化工引用本文复制引用
王思宇,郭彦峰,王思,夏荣厚,李治纲..阻隔性薄膜透湿性能的电解法和红外法测试分析[J].中国塑料,2018,32(3):116-121,6.基金项目
陕西省教育厅重点实验室科学研究计划项目(15JS074) （15JS074）
国家质检总局科技计划项目(2014QK131) （2014QK131）
