【作者】 张海涛； 韩梅； 崔学军； 王洪艳；

【Author】 Haitao Zhang~a,Mei Han~b,Xuejun Cui~a,Hongyan Wang~a (a:College of chemistry,Jilin University,Changchun,130012 b:State Key Lab of Inorganic Synthesis and Preparative Chemistry,Jilin University,Changchun,130012)

【机构】 吉林大学化学学院； 吉林大学无机合成与制备国家重点实验室；

【摘要】 随着科学技术的发展,研究水平的日益提升,研究的方法已从传统的实验、经验判断逐渐提高到借助与计算机模拟的量化分析。材料性能的多尺度分析越来越引起科学界的关注,应用的范围也是越来越广阔。膜材料凭借其卓越的防护性能,广泛应用于电子、机械、建筑、交通、通信等领域。对于膜材料性能的评价一直是研究者们关注的领域,其使用寿命受其耐水性、耐候性、耐沾污等诸多性质影响,如果定量的描述成为一个焦点问题。更多还原

【Abstract】 Based on the Fick’s second law,a multi-scales association model was built up for predicted the water resistance of membrane.The boundary conditions were confirmed by the macro-scale and micro-scale parameters.The balance time of water molecules in the membrane (t_B) and mean seepage velocity(V_s) were calculated which were standing for the property of membrane water resistance.Factors such as membrane thicknesses,diffusivities of water molecules and saturated water absorption rate were discussed by the model.9 groups of experiment results show the well consistency with calculating results by the model.更多还原