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Untersuchungen zur Anstrichalterung und deren Bedeutung für die Lebensdauer

: Hora, G.

Mehlhorn, L.; Böttcher, P. ; Fraunhofer-Institut für Holzforschung, Wilhelm-Klauditz-Institut -WKI-, Braunschweig:
Fachwerkforschung : Beiträge zur Erhaltung
Stuttgart: Fraunhofer IRB Verlag, 1998
ISBN: 3-8167-5209-8
ISBN: 978-3-8167-5209-7
Deutsch, Englisch
Aufsatz in Buch
Fraunhofer WKI ()
ageing of coating; Anstrichalterung; dispersion; durability; Lebensdauer

The durability of lifetime expectation of a coating for non-stable outdoor wooden constructions is an important criteria to judge about its applicability. A higher lifetime expectation leeds to an extension of renovation periods yielding a longer decorative and protective function of the coating. After 5 years of natural exposure the majority of modern water-borne and solvent-borne dispersions is still intact and in an overall sufficient shape. A significant shorter lifetime that was observed on two of six products under investigation can be linked with coating deficiencies. Therefore, prior to the application of a coating the main durability relevant properties, like film forming ability, pigment-volume-concentration (PVC), glastransition and adhesion should be determined.