Influences of Cr content and heat treatment on the optical property of the green mica-nano Cr2O3 pearlescent pigment / S. A. Hassanzadeh-Tabrizi in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 4 (07/2015)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 12, N° 4 (07/2015) . - p. 751-756 Titre : Influences of Cr content and heat treatment on the optical property of the green mica-nano Cr2O3 pearlescent pigment Type de document : texte imprimé Auteurs : S. A. Hassanzadeh-Tabrizi, Auteur Année de publication : 2015 Article en page(s) : p. 751-756 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Mica Nanostructures Oxydes de chrome Pigments inorganiques Pigments nacrés Index. décimale : 667.9 Revêtements et enduits Résumé : In the present work, green nano Cr2O3-coated mica pigments were prepared by homogeneous precipitation. Structure, morphology, and optical properties were investigated by X-ray diffraction, thermogravimetric and differential thermal analysis, scanning electron microscopy, and colorimetric analysis. The results showed that an amorphous coating was synthesized and crystallized to Cr2O3 after heat treatment at 800°C. Average particle size of the coating was about 100 nm. The optical properties of the final pigment depended on the Cr content and heat-treatment temperature. The pearlescent index increased as chromium nitrate content increased and then decreased. Lower calcination temperature can cause lower L* value and pearlescent index. DOI : 10.1007/s11998-015-9664-5 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9664-5.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24409 [article]

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