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Chemical and physical interactions involved in leather dyeing / D. Muralidharan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 81, N° 1 (01-02/1997)

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inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 81, N° 1 (01-02/1997) . - p. 14-20

Titre :	Chemical and physical interactions involved in leather dyeing
Type de document :	texte imprimé
Auteurs :	D. Muralidharan, Auteur
Année de publication :	1997
Article en page(s) :	p. 14-20
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Tags :	Teinture cuir Colorant Adsorption Cinétique Thermodynamique Taux teinture Chaleur Poudre modifiée Analyse échantillons solvants
Index. décimale :	675 Technologie du cuir et de la fourrure
Résumé :	Studies on the interactions involved in leather dyeing have been carried out using natural and chemically modified hide powders with five different leather dyes (C.I. Acid Yellow 36, C.I. Basic Brown 4, C.I. Mordant Violet 5, 1:1 chromium III complex of C.I. Mordiant Violet 5 and 1:2 chromium III complex of C.I. Mordant Violet 5). Kinetic and thermodynamic aspects such as the rate of dyeing, heat of dyeing, adsorption and affinity of these leather dyes on native and modified hide powders have been studied to obtain indirect evidence regarding the nature of dye-fibre bonds. Heat of dyeing values for most of the dyes studied were found to be less than 10 kcal mol-1 indicating that physical adsorption was mainly responsible for the uptake. The dyed samples of hide powders were subjected to stripping with different solvent systems for additional data to supplement our findings.
En ligne :	https://drive.google.com/file/d/19uzIX8Y47CuaBL8IZ8YhUwpM5orBuDjC/view?usp=share [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8076

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