| Titre : |
Colour travel : advanced interference effects : Modelling and optics help designers produce next-level pigments |
| Type de document : |
texte imprimé |
| Auteurs : |
Steven A. jones, Auteur |
| Année de publication : |
2020 |
| Article en page(s) : |
p. 22-26 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Modèles numériques
Pigments à effets spéciaux
Pigments interférentiels
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Modelling programs allow us to crate custom materials and can be configured to match a colour measuring instrument so that a pigment can be correlated back to the model. |
| Note de contenu : |
- Single crystal effect pigments
- Metal oxide coated substrates
- Multi-layer effect
- Optical modelling
- Colour travel
- Applying colour travel to pigments
- Designing those special effect
- Fig. 1 : Reflection curves for thin film interference from a single thin film of RI 2.5
- Fig. 2 : Reflectance curves for various substrate thicknesses coated with 80 nm RI 2.5. The average of these curves is equivalent to the 80 nm single film curve from figure 1
- Fig. 3 : Colour distribution for various substrate thicknesses coated with 80 nm RI 2.5
- Fig. 4 : Hypothetical cumulative intensity of the reflection interference spectrum of the 1st layer and the 3rd layer compared with the actual reflectance interference spectrum for the three-layer stack depicted on the right
- Fig. 5 : Colour travel plots from 0 to 70 degrees comparing low and high refractive index
- Fig. 6 : Colour travel plots from 0 to70 degrees comparing single-layer with multi-layer
- Fig. 7 : Reflection curve for a multi-layer structure showing higher chroma compared to a single layer
- Fig. 8 : Colour travel plots from 0 to 70 degrees, comparing different thicknesses of the low refractive index layer
- Fig. 9 : Colour travel ploots from 0 to 70 degrees, comparing different thicknesses of both high refractive index layers |
| En ligne : |
https://drive.google.com/file/d/1pMVkDhfi6tgOePNcsC9x2xNsDMQ5t7Db/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33894 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 3 (03/2020) . - p. 22-26
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