J. Paraszczak, J.M. Shaw, et al.
Micro and Nano Engineering
The solubility of water vapor in four different polyimides at 100% relative humidity and 22°C was measured by means of a quartz crystal microbalance system. The results confirm earlier conclusions that diffusion in these polymers is Fickian, and are sufficiently precise that the order of solubilities is unambiguous. The differences between the values are interpreted in terms of morphological variations rather than variations in chemical affinity for water. Diffusion coefficients are also reported. Copyright © 1991 John Wiley & Sons, Inc.
J. Paraszczak, J.M. Shaw, et al.
Micro and Nano Engineering
Julian J. Hsieh
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Lawrence Suchow, Norman R. Stemple
JES
Shiyi Chen, Daniel Martínez, et al.
Physics of Fluids