Coordinated approach to the production of soft leather / K. Smiechowski in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 5 (09-10/2005)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 89, N° 5 (09-10/2005) . - p. 199-203 Titre : Coordinated approach to the production of soft leather Type de document : texte imprimé Auteurs : K. Smiechowski, Auteur ; K. Beleska, Auteur ; A. Zaliauskiene, Auteur Année de publication : 2005 Article en page(s) : p. 199-203 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chaux Cuirs et peaux Epilage Extraction (chimie) Granulométrie Huiles et graisses animales Mesure Microscopie Peaux brutes -- Trempe Souplesse (mécanique) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Production of soft and strong leather requires a coordinated approach to all chemical and physical processing steps. The composition and nature of the fatliquors is only partly responsible for the leather’s softness. Opening up of the structure, neutralization and tanning influence the fatliquoring process and resulting leather as well. Knowledge about the changes of the dermal structure during beamhouse processing and its impact on the reaction of fat with leather is necessary for monitoring the fatliquoring process. Two different methods of opening up of the dermal structure - ‘lime-free’ and ‘lime’ - were used in our experiments to determine the relationship between the parameters mentioned above and the fatliquoring effect. Note de contenu : - EXPERIMENTAL PROCEDURES : Unhairing trials - Fatliquoring trials - Evaluation of fatliquoring effect by extraction of fat from leather samples - Measurement of the particle size of fatliquor emulsion - Microscopy - RESULTS AND DISCUSSIONS : - Table 1 : Dependence of the removed collagenous and non-collagenous proteins on the method and the duration of treatment - Table 2 : Data of fatliquor analysis - Table 3 : Dependence of the amount of extractable and unextractable fats on the method of alkaline treatment and fatliquor properties En ligne : https://drive.google.com/file/d/1LZc2tGKSwpIsdnKzFhJpnqMkcqlyunaY/view?usp=share [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39230 [article]

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