Abstract : The diffusion coefficient of the liquid midia in polymer coatings has been calculated by A.C. method.The time dependance of the coating capacitance has been obtained.

• 摘要 ： 介绍并应用了交流电容法及电阻法计算液体介质在高聚物涂层中的扩散系数,作出了涂层电容随时间变化的理论和实验曲线,两者吻合较好。