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6. Parameter estimation for analysis of vapor diffusion in polymers

Author

Hsu, W.P., Lo, P.Y., Kwei, T.K., and Myerson, A.S.

Subjects
Polymers -- Properties, Engineering and manufacturing industries, Science and technology, Properties
Abstract

This paper presents a general method for estimation of diffusion coefficient an other relevant parameters for the analysis of vapor diffusion in polymers. Sorption curves generated by the constants estimated using the parameter estimation method presented here are in closer agreement with experimental curves than curves generated by other conventional methods., For Fickian vapor diffusion in a polymer film, the initial-slope and half-time methods were generally applied to calculate the diffusion coefficient (1). Because the majority of vapor diffusion in polymers [...]

Published
1994

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