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

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 distributi...

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Main Authors: Miha Steinbücher, Peter Venturini, Jože Hafner, Matevž Zupančič, Peter Gregorčič, Iztok Golobič
Format: Article
Language:English
Published: Slovenian Chemical Society 2017-12-01
Series:Acta Chimica Slovenica
Subjects:
Online Access:https://journals.matheo.si/index.php/ACSi/article/view/3637
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author Miha Steinbücher
Peter Venturini
Jože Hafner
Matevž Zupančič
Peter Gregorčič
Iztok Golobič
author_facet Miha Steinbücher
Peter Venturini
Jože Hafner
Matevž Zupančič
Peter Gregorčič
Iztok Golobič
author_sort Miha Steinbücher
collection DOAJ
description 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.
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spelling doaj.art-97dc2e2cffc2487d92b32adb682eeb362022-12-22T01:33:35ZengSlovenian Chemical SocietyActa Chimica Slovenica1318-02071580-31552017-12-0164493894410.17344/acsi.2017.3637528The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paintsMiha Steinbücher0Peter Venturini1Jože Hafner2Matevž Zupančič3Peter Gregorčič4Iztok Golobič5Helios Group Količevo 2 SI-1230 Domžale SloveniaHelios Group Količevo 2 SI-1230 Domžale SloveniaSlovenian National Building and Civil Engineering Institute Dimičeva 12 SI-1000 Ljubljana SloveniaUniversity of Ljubljana Faculty of Mechanical Engineering Aškerčeva 6 SI-1000 Ljubljana SloveniaUniversity of Ljubljana Faculty of Mechanical Engineering Aškerčeva 6 SI-1000 Ljubljana SloveniaUniversity of Ljubljana, Faculty of Mechanical Enigeering, Askerceva 6, 1000 Ljubljana, SloveniaThickness-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.https://journals.matheo.si/index.php/ACSi/article/view/3637TSSS paintspigment treatmentspectral selectivitytopographyhydrophobicity
spellingShingle Miha Steinbücher
Peter Venturini
Jože Hafner
Matevž Zupančič
Peter Gregorčič
Iztok Golobič
The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints
Acta Chimica Slovenica
TSSS paints
pigment treatment
spectral selectivity
topography
hydrophobicity
title The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints
title_full The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints
title_fullStr The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints
title_full_unstemmed The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints
title_short The impact of a silane pigment treatment on the properties of thickness-sensitive spectrally selective paints
title_sort impact of a silane pigment treatment on the properties of thickness sensitive spectrally selective paints
topic TSSS paints
pigment treatment
spectral selectivity
topography
hydrophobicity
url https://journals.matheo.si/index.php/ACSi/article/view/3637
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