| Titre : |
Preparation of titanium dioxide compound pigments based on kaolin substrates |
| Type de document : |
texte imprimé |
| Auteurs : |
Yan Quanxiang, Auteur ; Yun Lei, Auteur ; Jizu Yuan, Auteur |
| Année de publication : |
2010 |
| Article en page(s) : |
p. 229-237 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Tags : |
'Dioxyde titane' 'Substrats kaolin' Colorants 'Valeur absorption huile' Blancheur |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Titanium dioxide compound pigments were prepared by hydrolysis of tetrabutyl titanate on the surface of kaolin substrates. The coating processes were investigated by various factors in single-factor tests, and the products were tested by oil absorption value and whiteness. The results show that the optimum compound pigments reach a whiteness of 94.0% and an oil absorption value of 35.5 mL/100 g. The products were further characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and zeta potential analyzer. The XRD analysis indicates that the microstructure of the coating on a kaolin substrate is mainly anatase. Transmission electron microscopy images clearly reveal that the layer of TiO2 consists of randomly oriented small particles with no agglomeration outside the kaolin surface. |
| DOI : |
10.1007/s11998-009-9172-6 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-009-9172-6.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9069 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 7, N° 2 (03/2010) . - p. 229-237
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