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The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints

Acta Chimica Slovenica. 2017;64(4):938-944 DOI 10.17344/acsi.2017.3637


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Journal Title: Acta Chimica Slovenica

ISSN: 1318-0207 (Print); 1580-3155 (Online)

Publisher: Slovenian Chemical Society

Society/Institution: Slovenian chemical socety

LCC Subject Category: Science: Chemistry

Country of publisher: Slovenia

Language of fulltext: English

Full-text formats available: PDF



Miha Steinbücher (Helios Group Količevo 2 SI-1230 Domžale Slovenia)

Peter Venturini (Helios Group Količevo 2 SI-1230 Domžale Slovenia)

Jože Hafner (Slovenian National Building and Civil Engineering Institute Dimičeva 12 SI-1000 Ljubljana Slovenia)

Matevž Zupančič (University of Ljubljana Faculty of Mechanical Engineering Aškerčeva 6 SI-1000 Ljubljana Slovenia)

Peter Gregorčič (University of Ljubljana Faculty of Mechanical Engineering Aškerčeva 6 SI-1000 Ljubljana Slovenia)

Iztok Golobič (University of Ljubljana, Faculty of Mechanical Enigeering, Askerceva 6, 1000 Ljubljana, Slovenia)


Blind peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 12 weeks


Abstract | Full Text

Thickness-sensitive, spectrally selective paints based on a silane treatment of pigments were prepared with different pigment-volume concentrations. The critical pigment-volume concentration was determined by means of electrochemical impedance spectroscopy, while the pigment particle size distribution was determined with ultrasound spectroscopy. The selectivity versus thickness relation of a paint with a near-critical pigment-volume concentration was studied spectroscopically through performance criteria. Its nonlinearity was shown to be related to the surface topography. This relation was further supported by hydrophobicity measurements. Heat-gathering tests in a simulated solar collector supported the spectroscopic determination of an optimal dry-film thickness.