Quantitative Mapping of Mechanisms for Photoinitiated Coating Degradation

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This work concerns the mathematical modeling of photoinitiated coating degradation. Using experimental evidence available, some of the most importantassumptions underlying existing models for the rmoset coatings are analyzed and suggestions for further work provided. A modeling approach that can be used toimplement the various effects of water on the degradation mechanisms of cross-linked coatings is also presented and experiments to test the approach are suggested. Additionally, simulations with an existing degradation model for an epoxy–amine coating are used to map the influence of model parameters on the lag time (i.e., the time passing prior to the onset of erosion) and the stable erosion rate. The simulation results can be used in the optimization of UV radiation-induced intercoat adhesion losses, which are often observed in multilayer coating systems based on top coated epoxy coatings. Finally, potential directions for future experimental research in the field are outlined.
Original languageEnglish
Title of host publicationService Life Prediction of Exterior Plastics : Vision for the Future
EditorsChristopher C. White, Jon Martin, J. Thomas Chapin
Publication date2015
ISBN (Print)978-3-319-06033-0
ISBN (Electronic)978-3-319-06034-7
Publication statusPublished - 2015


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