| Titre : |
New effect pigments using innovative substrates |
| Type de document : |
texte imprimé |
| Auteurs : |
Sigrid Teaney, Auteur ; Gerhard Pfaff, Auteur ; Katsuhisa Nitta, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 90-96 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Pigments based on the layer-substrate interference principle are the most important types of pearlescent pigments today. Most of them consist of metal oxide layers coated on mica, a sheet layer silicate mineral. But mica pigment characteristics are limited to the thickness. Two new synthetic materials could be used in place of mica as substrates for effect pigments. New coloristic effects can be realized by suitable combination of silica flakes or alumina flakes as carrier and coating with relatively high index metal oxides such as titanium dioxide and iron oxide. |
| Note de contenu : |
- Mica as a carrier for thin layers of metal oxides
- Metallic platelets acting as small mirrors
- Direct reflection, multiple reflection and the interference phenomenon
- High reflection coefficients resulting in enhanced chromatic effects
- New synthetic substrates replaced the natural mica
- Substrate particles of uniform thickness
- New properties with silica flake pigments
- TiO2- anatase containing pigments
- TiO2- rutile containing pigments
- Iron oxide generates strong interference effects
- Extraordinary optical effects
- Gonio-chromatic shift pigments
- Improved interference pigments
- Pigments based on alumina flake substrate coated with metal oxide
- Experimental conditions for crystal growth of Al2O3 flakes
- Application properties of silica and alumina flake pigments
- A new era of engineered control pigment coloristics |
| En ligne : |
https://drive.google.com/file/d/1q0tCqkyK-2Vjdfso6_9hQU6PWA4ha3zw/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11177 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 4/99 (04/1999) . - p. 90-96
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