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Projects / Programmes source: ARIS

Pigment dispersion in powder coatings

Research activity

Code Science Field Subfield
2.02.05  Engineering sciences and technologies  Chemical engineering  Polymer engineering 

Code Science Field
P352  Natural sciences and mathematics  Surface and boundary layery chemistry 
P370  Natural sciences and mathematics  Macromolecular chemistry 
Keywords
powder coatings, metal flake pigments, mica flake pigments, dispersion, particle distribution, particle orientation, scanning electron microscopy, surface etching with oxygen plasma, colorimetry, colour matching
Evaluation (rules)
source: COBISS
Researchers (5)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  18635  Tatjana Filipič    Researcher  2002 - 2003  24 
2.  08249  MSc Anton Hrovat  Materials science and technology  Researcher  2002 - 2004  19 
3.  04423  PhD Marta Klanjšek Gunde  Electronic components and technologies  Head  2002 - 2004  561 
4.  10429  PhD Miran Mozetič  Electronic components and technologies  Researcher  2002 - 2004  1,352 
5.  17271  Helena Spreizer    Researcher  2002 - 2004  35 
Organisations (2)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0104  National Institute of Chemistry  Ljubljana  5051592000  20,957 
2.  0106  Jožef Stefan Institute  Ljubljana  5051606000  90,682 
Abstract
Pigments dispersion in powder coatings will be optimised and studied by developing and applying methods of scanning electron microscopy, etching of the coating surface with the oxygen plasma and by using methods of colorimetry. The same methods will be used for the study of the influence of materials used in formulations and of production parameters on the particle size and pigment colur strength in powder coatings. Methods will be developed and used for the determination of the orientation and distribution of metal and mica pigments througout the cured powder coatings. This knowledge will give us the method for the formulation of the effective powder coatings with different colour hue and desired metallic effect. Different layers of cured powder coatings will be studied in order to get the information about specific properties and material concentration in each layer. These results will be used to study their influence on the anticorrosion properties of the powder coatings. The structure and the properties of the substrate will be studied for the same purpose.
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