Liquid Diffusion in Polymers by Electrochemical-Impedance Spectroscopy (EIS)

Chauffaille, S.; Devos, Olivier; Jumel, Julien; Shanahan, Martin E.R.

doi:10.4028/www.scientific.net/DDF.297-301.239

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Effects of Processing Factors on Microstructure and Diffusivity of Diethylbenzene Dehydrogenation Catalyst
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Liquid Diffusion in Polymers by Electrochemical-Impedance Spectroscopy (EIS)
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Diffusion in Materials by Atomic-Scale Modeling: Exploiting the Predictive Power of Classical and First-Principles Molecular Dynamics
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Numerical Study of a Vertical Solidification Process under Magnetic Field in Unsteady State
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Metallographic and Numerical Studies of the Role of Catalyst Particles of MgH₂-Mg System
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Liquid Diffusion in Polymers by Electrochemical-Impedance Spectroscopy (EIS)

Abstract:

Preliminary results on a technique of Electrochemical-Impedance Spectroscopy (EIS) applied to the characterization of diffusion and absorption properties of water in an epoxy resin are reported. Thin films of polymer adhering to aluminum constitute simulated adhesive bonds. Immersion in water and assessment via electro-chemical impedance measurements allowed estimation of diffusion rates and water uptake. In parallel, classic gravimetric experiments were undertaken on thin, free films of the same polymer. Results of the two techniques are acceptably comparable, and thus EIS could be developed as a new tool for in situ assessment of adhesives.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 297-301)

Main Theme:

Diffusion in Solids and Liquids V

Edited by:

Andreas Öchsner, Graeme E. Murch, Ali Shokuhfar and João M.P.Q. Delgado

Pages:

239-243

DOI:

10.4028/www.scientific.net/DDF.297-301.239

Citation:

S. Chauffaille et al., "Liquid Diffusion in Polymers by Electrochemical-Impedance Spectroscopy (EIS)", Defect and Diffusion Forum, Vols. 297-301, pp. 239-243, 2010

Online since:

April 2010

Authors:

S. Chauffaille, Olivier Devos, Julien Jumel, Martin E.R. Shanahan

Keywords:

Absorption, Diffusion, Electrochemical Impedance Spectroscopy (EIS), Epoxy Resin (ER), Gravimetry, Thin Film

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