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Polish Journal of Chemistry

Tytuł artykułu

Evaluation of Relative Humidity Effects on Interfacial Impedance at Inter-Coat Interfaces

Autorzy Miszczyk, A.  Darowicki, K.  Schauer, T. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN Impedance spectroscopy has been applied as potentially non-destructive method for the evaluation of adhesion at the interface between two polymer layers in protective coating system. The aim was to examine the effect of the outdoor humidity on the interfacial impedance. Aautomotive basecoat/clearcoat system has been investigated.Anew electrode sensor has been employed to detect the changes caused by adhesive debonding and accumulation of water at the interface. The electrode comprising two thin stripes of an electroconductive ink was placed between two coating layers. Large changes in the impedance were observed when humidity conditions were altered. The obtained data were indicative for strong sensitivity of the interlayer impedance to the outdoor humidity.Water accumulation in the interlayer and the formation of conductive paths led to the worsening of adhesion and deamination of the coating layers.
Słowa kluczowe
EN coatings   adhesion   corrosion  
Wydawca Polskie Towarzystwo Chemiczne
Czasopismo Polish Journal of Chemistry
Rocznik 2004
Tom Vol. 78 / nr 9
Strony 1823--1831
Opis fizyczny
autor Miszczyk, A.
autor Darowicki, K.
autor Schauer, T.
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-article-BUJ1-0024-0117