Water uptake in thin nylon 6 films as measured by electrochemical impedance spectroscopy and magnetic resonance imaging

EIS study of effective capacitance and water uptake behaviors of silicone-epoxy hybrid coatings on mild steel

“…Since the main reason for the degradation of coatings is the penetration of water, the study of water uptake is of great importance [11,12,16,18]. The water uptake of the coating was estimated from the Brasher-Kingsbury relation using the different approaches (CPE, C B effect and C H effect ):…”

“…Certainly, one approach for interpreting the EIS results of the coatings is using equivalent electrical circuits (EECs) to simulate the EIS spectra [16][17][18]. Different electrical circuit analogs are proposed to simulate the electrochemical corrosion behaviors of silicone-epoxy hybrid coatings on mild steels.…”

Thermal and corrosion (in)stability of polyamide 6 studied by broadband dielectric spectroscopy

“…Detailed studies about the segmental motions in polyamides in dependence on the water absorption can be found in literature. [6, 7,10,12,33,34] In this study, the MWS/conductivity process and the local relaxation mode seem to be the most sensitive processes to the respective testing. Therefore they are 185 considered for further discussion.…”

Transport of water–glycerol mixtures in porous materials studied with NMR imaging

“…Experimental data exists for techniques ranging from optical techniques on transparent samples [17][18][19] and micro-models (Stevar and Vorobev [20]) to averaging methods on sand columns, packed beads [21] and 'real' materials such as bricks (Pel et al [22]), and thin films (Reuvers et al [23]). However, experimental data describing the dynamics of liquid penetration in paper is scarce.…”

“…To measure the imbibition of liquid mixtures in these Al 2 O 3 samples, Nuclear Magnetic Resonance (NMR) is used. NMR [22][23][24] is a non-destructive method that can be used to determine the position of specific atoms which can be used to visualise the liquids in the porous samples. Gombia and Bortolotti [25] used NMR to validate models of water imbibition in treated and untreated porous media but NMR can also be used to look at colloidal deposition in a porous medium, as shown by Fridjonsson et al [26].…”