Method for the evaluation of the degree of pigment dispersion in powder coatings

Method for the evaluation of the degree of pigment dispersion in powder coatings

The quantitative method for the evaluation of the degree of pigment dispersion in powder coatings is described here. The quantitative information is obtained using selective oxygen plasma etching, scanning electron micrography and image analysis. This procedure was used in order to analyse the influ...

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Veröffentlicht in:Powder technology 2004-10, Vol.148 (1), p.64-66
Hauptverfasser: Klanjšek Gunde, M., Kunaver, M., Mozetič, M., Hrovat, A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Chemical engineering
Colour measurements
Exact sciences and technology
Image analysis
Miscellaneous
Pigment dispersion
Powder coatings
Solid-solid systems
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Beschreibung
Zusammenfassung:The quantitative method for the evaluation of the degree of pigment dispersion in powder coatings is described here. The quantitative information is obtained using selective oxygen plasma etching, scanning electron micrography and image analysis. This procedure was used in order to analyse the influences of the input power of the extrusion equipment on the pigment dispersion in powder coatings. The correlation between the particle size distribution graphs and the energy input during the extrusion process is discussed and compared to the colorimetric analysis.
ISSN:0032-5910
1873-328X
DOI:10.1016/j.powtec.2004.09.022