Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 123, Issue 2, Pages 807-814Publisher
WILEY
DOI: 10.1002/app.34506
Keywords
polyurethanes; coatings; surfaces; microstructure; core-shell nanoparticles
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Funding
- Polish Ministry of Science and Higher Education [N N507 503338]
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Non- and core-shell nanoparticles-containing polyurethane-based powder coating systems, crosslinked with allophanate bonds containing polyisocyanates were examined. The surface structure of the powder coatings were investigated with a confocal microscopy and polarized optical microscopy (POM) using reflected light. The three-dimensional surface topography and the values of surface roughness were determined. The surface structure was correlated with the chemical structure of the coatings and macroscopic surface behavior: surface free energy and gloss. These experimental results led to a better understanding of the development of surface topography and morphology and provide valuable information for the development of new polyurethane powder coating systems. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123:807-814, 2012
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