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Studies on semi-metal tanning / Anthony D. Covington in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIX, N° 12 (12/2004)

Titre :	Studies on semi-metal tanning
Type de document :	texte imprimé
Auteurs :	Anthony D. Covington, Auteur ; Graham Lampard, Auteur
Année de publication :	2004
Article en page(s) :	p. 502-509
Note générale :	Bibliogr.
Langues :	Américain (ame)
Index. décimale :	675 Technologie du cuir et de la fourrure
Résumé :	This paper outlines some ideas on the structural stability of collagen and its hydrothermal stability. It addresses why semi-metal tannages confer high hydrothermal stability to collagen. Myrabolan tanned sheepskin was retanned with vanadium(IV) oxysulphate or basic titanium(III) sulphate, iso-electronic d1 transition metal salts, to produce semi-metal leathers with shrinkage temperatures of 104 and 100°C, respectively. After storing the leathers for a year at ambient conditions, the shrinkage temperature of the semi vanadyl leather had fallen to 60°C, an equivalent shrinkage temperature to that of raw collagen, but the semi titanium leather was essentially unchanged. Possible reasons for this observation are discussed.
En ligne :	https://drive.google.com/file/d/17aT86_I6e-PoWWOpxczdUkm_3arXvOs3/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4239

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