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Combined organic tanning based on mimosa and oxazolidine : development of a semi-industrial scale process for high-quality bovine upper leather / A. d'aquino in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 88, N° 2 (03-04/2004)
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Titre : Combined organic tanning based on mimosa and oxazolidine : development of a semi-industrial scale process for high-quality bovine upper leather Type de document : texte imprimé Auteurs : A. d'aquino, Auteur ; N. Barbani, Auteur ; G. d'Elia, Auteur ; D. Lupinacci, Auteur ; Biagio Naviglio, Auteur ; Maurizia Seggiani, Auteur Année de publication : 2004 Article en page(s) : p. 47-55 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caractérisation
Cuirs et peaux de bovins
Mimosa et constituants
Oxazolidine
Réticulants
Tannage combinéLe tannage combiné se dit des tannages qui allient deux familles ou genre de tannage pour obtenir un résultat additionnant les qualités complémentaires des tannins mis en œuvre par exemple Chrome-Végétal ou Chrome-Synthétique
Tannage organiqueIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : In this study we present an industrial-scaled tanning process intended to replace chrome tanning in the production of high quality bovine shoe upper leathers using a combined tannage based on a mimosa and oxazolidine as crosslinking agent. This paper reports the best recipe developed and the properties of the leather obtained. The various test results and scanning electron microscopy (SEM) observations which were used as investigative methods to follow the tanning process steps and to better understand the cross-linking mechanisms, are detailed together with the characterisation of the effluents. The leather obtained is characterised by a good hydrothermal stability coupled with good physical and technical properties which allow it to easily comply with the standards required for high quality chromium-tanned bovine upper leather. The results obtained suggest that this tannage is a promising alternative to traditional chrome tanning. Note de contenu : - Interactions between the collagen structure, mimosa, and oxazolidine
- Laboratory scale investigation
- Semi-industrial scale investigation and properties of the crust leather
- SEM analysis
- Characterization of the exhaust bath of the mimosaoxazolidine tannage
- Table 1 : Pre-tanning and tanning agents used
- Table 2 : Steps of fatliquoring/dyeing process (offers: wt.% based on tanned weight)
- Table 3 : Steps of the Mimosa-Oxazolidine tanning process
- Table 4 : Steps of the Oxazolidine-Mimosa tanning process
- Table 5 : Pollutants in the exhaust bath of the mimosa-oxazolidine tannage compared with a typical chromium exhaust bathEn ligne : https://drive.google.com/file/d/18RDaXSoVzI-3FZsq97w_hp0jR9_xLdOu/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39641
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 88, N° 2 (03-04/2004) . - p. 47-55[article]