A new approach to investigate scratch morphology and appearance of an automotive coating containing nano-SiO2 and polysiloxane additives

A new approach to investigate scratch morphology and appearance of an automotive coating containing nano-SiO2 and polysiloxane additives

Attempts have been carried out to verify whether gonio-spectrophotometry could be utilized as a new scratch testing approach to investigate scratch morphology and its effect on appearance of an acrylic-melamine clearcoat separately containing nano-silica or polysiloxane additives. The results of gon...

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Veröffentlicht in:Progress in organic coatings 2011-11, Vol.72 (3), p.541-552
Hauptverfasser: Ramezanzadeh, B., Moradian, S., Khosravi, A., Tahmasebi, N.
Format: Artikel
Sprache:eng
Schlagworte:
Coating
Fracture mechanics
Morphology
Nanocomposites
Nanomaterials
Nanostructure
Polysiloxanes
Scanning electron microscopy
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container_issue 3
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container_title Progress in organic coatings
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creator Ramezanzadeh, B.
Moradian, S.
Khosravi, A.
Tahmasebi, N.
description Attempts have been carried out to verify whether gonio-spectrophotometry could be utilized as a new scratch testing approach to investigate scratch morphology and its effect on appearance of an acrylic-melamine clearcoat separately containing nano-silica or polysiloxane additives. The results of gonio-spectrophotometry/colorimetry illustrated that this new approach is capable of differentiating between plastic and fracture types scratches. Furthermore, this approach was found to be suitable for analyzing the self healing abilities of such coatings. The accuracy and reproducibility of such results were checked against the results of scanning electron microscope (SEM) and illustrated great potential as a new approach for such studies.
doi_str_mv 10.1016/j.porgcoat.2011.06.014
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subjects Coating
Fracture mechanics
Morphology
Nanocomposites
Nanomaterials
Nanostructure
Polysiloxanes
Scanning electron microscopy
title A new approach to investigate scratch morphology and appearance of an automotive coating containing nano-SiO2 and polysiloxane additives
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