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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。讨论了扩散系数D随时间的变化关系及其在选择涂层制备工艺方面的意义。
Introduced and applied the AC capacitance method and the resistance method to calculate the diffusion coefficient of the liquid medium in the polymer coating, made the theoretical and experimental curves of the coating capacitance with time, which are in good agreement. The relationship between the diffusion coefficient D and the time and the significance of choosing the coating preparation process are discussed.