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Auteur Roy Thomson |
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Alum and the leather industry / Roy Thomson in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 93, N° 4 (07-08/2009)
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Titre : Alum and the leather industry Type de document : texte imprimé Auteurs : Roy Thomson, Auteur Année de publication : 2009 Article en page(s) : p. 125-129 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : It has been suggested that alum was used to produce leather from at least egyptian and babylonian times but recent work suggests that alum was used in the process of dyeing skinss rather than for tanning. Lack of definitive evidence for the use of alum for tawing during the roman period will be referred to. Linguistic studies indicate that the difference between the materials produced by alum and vegetable tannins were recognised, appreciated and exploited by mediaeval craftsmen. The methods employed during mediaeval and later times for the manufacture of alum tawed skins as revealed in contemporary documents will be discussed. Later developments in the modification of tawing processes to give a wider range of leather properties will be mentioned. recent developments in the production of archival bookbinding leathers and the challenges arising when conserving alum tawed leather artefacts will be summarised. En ligne : https://drive.google.com/file/d/1Sq6HpYASpu6jrwaqACiuD-o7AuQyXQhf/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=6101
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 93, N° 4 (07-08/2009) . - p. 125-129[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 011502 - Périodique Bibliothèque principale Documentaires Disponible The deterioration of leather / Roy Thomson in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 90, N° 4 (07-08/2006)
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Titre : The deterioration of leather Type de document : texte imprimé Auteurs : Roy Thomson, Auteur Année de publication : 2006 Article en page(s) : p. 137-145 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuirs et peaux -- Détérioration Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The main causes of deterioration of leather are reviewed, particularly with reference to museums and other heritage collections. Damage caused by bacteria, fungi, insects and vertebrates is described, as are the methods of eradication. Physical damage arising from the hygroscopic nature of leather and other skin products is discussed. The factors leading to the type of chemical decay termed red rot are analysed and the role of oxidation and hydrolysis is considered. The final section deals briefly with the treatment of chemically degraded leather with aluminium alkoxide. Note de contenu : - Biological deterioration : Bacteria - Fungi - Insects - Vertebrates
- Physical deterioration
- Chemical deterioration
- Oxydation or hydrolysis ?
- Agents of deterioration
- Treatments for red rotted leatherEn ligne : https://drive.google.com/file/d/1KiNikQga6ss0teFuYGzkrDzpTgfzqN-u/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39111
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 90, N° 4 (07-08/2006) . - p. 137-145[article]Exemplaires
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