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Mechanical properties of UV-coatings

 
: Nothhelfer-Richter, Rolf; Joos-Müller, Betina

Hilt, M.:
EC European Coatings Congress 2011. CD-ROM : Nuremberg, Germany, 28-30 March 2011, Congress Proceedings
Hannover: Vincentz Network, 2011
Paper 10.6, 5 pp.
European Coatings Congress <2011, Nürnberg>
European Coatings Show <2011, Nürnberg>
English
Conference Paper
Fraunhofer IPA ()
UV curing; UV-Lack; UV-Härtung; Schutzschicht; Oberflächenschicht

Abstract
UV-coatings are interesting alternatives for several fields of application, due to rapid curing properties and special properties of the resulting polymer films.
Still a severe drawback of that class of materials consists of internal stress due to rapid curing and eventually due to post-curing in the phase of usage. Especially in combination with critical polymer substrates adhesion can be inferior. Insight is given in a study of the adhesion of UV-curing coatings on polyethylene as well as in an ongoing study of curing reactions of model UV-clearcoats. The goal of this study is to figure out mechanical behaviour of UV-clearcoats depending on curing parameters and the resulting conversion in different depths of the UV-coating film.

: http://publica.fraunhofer.de/documents/N-164645.html