Innovative measurement methodology in quality assessment of coatings

Kenneth Moller, Anna Backman, Bo Carlsson, Magnus Palm, Sahar Al-Malaika, Husam Sheena, Elizabeth Lakin, Dieter Kockott, Bernd Dawid, Wolfgang Kortmann, Karl Bechtold, Jacques Simonin, Michael Hilt, Joachim Domnick, Dirk Michels, Axel Nagel, Manfred Wunsch, Karin Hvit Wernstal

Research output: Chapter in Book/Published conference outputConference publication


In the European project MANIAC-Innovative Measurement Methodology in Quality Assessment of Coating, a methodology was developed to assess the long term durability of coatings. The project was focused on environmentally friendly waterborne automotive multi-layer coating systems. Although developed for waterborne coatings, the methodology is very generic and can be applied to all kinds of coatings. The first step in the evaluation of long-term performance of automotive coatings involves exposures to weathering (natural as well as artificial). Traditionally, the durability of coatings is evaluated by examining the changes in performance properties like gloss, color, and scratch resistance. In the MANIAC methodology, the focus is on changes in structures on molecular levels. Microtomed slices of the coatings were examined by FTIR spectroscopy for monitoring oxidation. UV spectroscopy and GC-MS were used to study the migration of additives like HALS and UVA. In the methodology, the environmental variables (outdoors as well as indoors), e.g., temperature, relative humidity, UV irradiation, were carefully monitored and included in the modeling scheme. The results from accelerated tests are modeled and, together with outdoor climatic data, the different models are used to predict degradation during outdoor exposure.

Original languageEnglish
Title of host publicationService Life Prediction of Polymeric Materials: Global Perspectives
Number of pages12
ISBN (Electronic)978-0-387-84876-1
ISBN (Print)978-0-387-84875-4
Publication statusPublished - 1 Jan 2009
Event2006 4th International Symposium on Service Life Prediction - Key Largo, FL, United Kingdom
Duration: 3 Dec 20068 Dec 2006


Conference2006 4th International Symposium on Service Life Prediction
Country/TerritoryUnited Kingdom
CityKey Largo, FL


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