This paper deals with the analysis of a multi-layer polymeric film made from a hybrid organic–inorganic bond-layer, a decorative epoxy-basedbasecoat and, finally, a protective polyurethane-based topcoat.The establishment of visual appearance and mechanical strength of the multi-layer polymeric films has been investigated by varying both bakingtime and temperature on a very wide range. Furthermore, two different two-step baking procedures (i.e., with and without full post-curing of thetopcoat) were also proposed and comparatively evaluated.Improved trends of average roughness and mechanical strength of the multi-layer films were found at any time progressively higher baking timeand/or temperature was set. Accordingly, the overall adhesion between multi-layer films and underlying metal surfaces was found to increase, aswell. Nonetheless, experimental results show that even though satisfactory surface roughness and mechanical properties of the multi-layer filmscan be established over wide enough ranges of baking time and temperature with both baking procedures, an acceptable visual appearance is onlyachievable if the topcoat is superimposed at least on an almost fully cured basecoat.
Surface appearance and mechanical strength of multi-layer polymeric films / M., Barletta; Lusvarghi, Luca; F., PIGHETTI MANTINI; G., Rubino. - In: PROGRESS IN ORGANIC COATINGS. - ISSN 0300-9440. - STAMPA. - 61/2-4(2008), pp. 249-261.
|Data di pubblicazione:||2008|
|Titolo:||Surface appearance and mechanical strength of multi-layer polymeric films|
|Autore/i:||M., Barletta; Lusvarghi, Luca; F., PIGHETTI MANTINI; G., Rubino|
|Codice identificativo ISI:||WOS:000254146400019|
|Codice identificativo Scopus:||2-s2.0-38749131583|
|Citazione:||Surface appearance and mechanical strength of multi-layer polymeric films / M., Barletta; Lusvarghi, Luca; F., PIGHETTI MANTINI; G., Rubino. - In: PROGRESS IN ORGANIC COATINGS. - ISSN 0300-9440. - STAMPA. - 61/2-4(2008), pp. 249-261.|
|Tipologia||Articolo su rivista|
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