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Ethiopian Ankelba : an attempt to modernize the cultural leather artifact / Elena Teka Genet in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 12 (12/2020)
[article]
Titre : Ethiopian Ankelba : an attempt to modernize the cultural leather artifact Type de document : texte imprimé Auteurs : Elena Teka Genet, Auteur ; Jima Demisie Wegene, Auteur ; Gebrekidan Asfaha Gebrehiwot, Auteur ; Palanisamy Thanikaivelan, Auteur Année de publication : 2020 Article en page(s) : p. 435-443 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Analyse des données
Ankelba -- Conception et construction
Caractérisation
Cuirs et peaux
Echantillonnage
Ergonomie
Objets usuels
ProductionIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Ethiopia has many cultural artifacts made of traditionally processed leathers. Ankelba is one of them and utilized in most part of Ethiopia to carry baby. Here, we report salient features of ankelba and its value in Ethiopia region, demerits of the product and strategies to enhance the design feature of cultural ankelba while maintaining its cultural value. Data were collected through interview guided questionaries' to analyze the causes for the reduced usage of the product. We identified that the traditionally processed cow leathers are heavy with poor color fastness. Further, we recognized that cultural ankelba has flawed design features such as fixed size, improperly placed zagols (sea shell) and uncomfortable strap construction to hold the baby. Here, we present an efficiently designed ankelba overcoming the key deficiencies while preserving the cultural value of local people. This study would pave way for restoration of several cultural artifacts available across the globe. Note de contenu : - MATERIALS AND METHODS : Methods - Data collection and sampling - Geographical domain for the research - Data analysis - Characterization
- RESULTS AND DISCUSSION : Traditional leather processing in Ethiopia - Traditional Ankelba production - Major causes for the declined use of traditional Ankelba - Problems associated with the use of traditional leathers for Ankelba production - Problems associated with the traditional design features of Ankelba - Strategy for improving the materials and design of Ankelba - Physical and bulk properties of leathers processed using traditional and modern techniques - Dry and wet rub color fastness of traditionally tanned and modern tanned leathers
- Table 1 : Area of data collection and number of participants for data collection
- Table 2 : Ankelba size measurements
- Table 3 : Leather related problems and their ranking in cultural ankelba
- Table 4 : Design related problems and their ranking in cultural ankelba
- Fig. 1 : Traditional leather processing in Ethiopia, a) Hide soaking in damped river, b) fleshing, c) cow hides preparation for unhairing, d) oiling and inset, e) oil used for softening leather
- Fig. 2 : Ankelba leather preparation steps, a) Leather cutting and dyeing, b) leather strap making, c) button attaching, d) zagol inserting and, f) strap stitching. inset in e) show zagols
- Fig. 3 : Major causes for the declined use of traditional ankelba
- Fig. 4 : Drawbacks of Ethiopian cultural ankelba, a) inaproppriate size and many zagols and b) un-comfortable neck construction and many buttonsDOI : https://doi.org/10.34314/jalca.v115i12.4199 En ligne : https://drive.google.com/file/d/11bhv8vJ2YNLxEDXk6vMvIxuCHtYgRpJZ/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34996
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXV, N° 12 (12/2020) . - p. 435-443[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22510 - Périodique Bibliothèque principale Documentaires Disponible Synergy of organic nanoclay and inorganic phosphates for fire retardant leather applications / Jima Demisie Wegene in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIII, N° 11 (11/2018)
[article]
Titre : Synergy of organic nanoclay and inorganic phosphates for fire retardant leather applications Type de document : texte imprimé Auteurs : Jima Demisie Wegene, Auteur ; Palanisamy Thanikaivelan, Auteur Année de publication : 2018 Article en page(s) : p. 371-379 Note générale : Glossaire - Bibliogr. Langues : Américain (ame) Catégories : Additifs
Argile
Caractérisation
Essais de comportement au feu
IgnifugeantsComposé chimique utilisé pour réduire l'inflammabilité. Il peut être incorporé au produit durant sa fabrication ou appliqué ultérieurement à sa surface.
Morphologie (matériaux)
Nanoparticules
Phosphates
Résistance à l'abrasion
Solidité de la couleur
ThermogravimétrieIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : Leather is a material used for various purposes including upholstery in airplanes, ships, automobiles and furniture. Leather requires good fire resistance properties for use in upholstery due to the possibilities of exposure to fire. Here, we report a method to produce fire retardant leather using organic nanoclay and ammonium dihydrogen phosphate as flame retardant additives through surface coating. Treated leathers were characterized using vertical flammability test, thermogravimetric analysis, scanning electron microscopic analysis, mechanical and hand and visual evaluation. Treated leathers left higher residues at 700oC than the control leather indicating their lower thermal decomposition potential. Further, we demonstrated that the ignition time of treated leathers is increased by more than 5 sec and treated leathers show negligible flame time after fire source was removed. The physical and organoleptic evaluations of treated leathers as well as other results suggest that a combination of organic nanoclay and inorganic phosphate provides fire retardant leathers for upholstery leather applications with acceptable strength and bulk properties. Note de contenu : - MATERIALS AND METHODS : Materials - Treatment ofleathers with flame retardant additives - Characterization - Morphology - dry and rub fastness test
- RESULTS AND DISCUSSION : Vertical flammability analysis - Ignitition time and flammability property of treated leathers - Thermogravimetric analysis - Surface morphology - Physical and bulk properties of leather - Dry and wet rub color fastnessEn ligne : https://drive.google.com/file/d/148OqQia4-6suzvyxpJqd9zQEu4Xw3p9U/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31203
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXIII, N° 11 (11/2018) . - p. 371-379[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20339 - Périodique Bibliothèque principale Documentaires Disponible