| Titre : |
Catalytic synthesis of hematite-mica pearlescent pigments using a low-temperature method |
| Type de document : |
texte imprimé |
| Auteurs : |
Lihong Han, Auteur ; Yanchang Chen, Auteur ; Modan You, Auteur ; Yu Wei, Auteur |
| Année de publication : |
2012 |
| Article en page(s) : |
p. 695-702 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Catalyse
Hématite
Mica
Pigments
Pigments -- Synthèse
Pigments nacrés
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
A novel low-temperature method is described for the direct synthesis of Fe2O3/mica pearlescent pigments with ferric chloride as a precursor and trace Fe(II) as a catalyst which does not require any calcination step. The as-synthesized pigments are characterized in detail by means of different techniques including X-ray diffraction, field emission scanning electron microscopy, energy dispersive spectroscopy, and colorimetry. The influence of various factors on the transformation from Fe(OH)3 coating layer to crystalline hematite coating layer is investigated, respectively. Furthermore, this paper studies several critical technological parameters pertaining to the influences on morphology and color properties of the pigments such as the coating temperature and the pH value. |
| Note de contenu : |
- The catalysis of Fe(II) on the transformation of Fe(OH)3 coated on mica
- The effect of the coating temperature
- The effect of the initial pH value |
| DOI : |
10.1007/s11998-012-9419-5 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-012-9419-5.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16655 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 9, N° 6 (11/2012) . - p. 695-702
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