Evaluation of the physical properties of goatskins tanned using banana (Musa spp.) leaf midrib tannins / James K. Wangui in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIX, N° 1 (01/2024)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXIX, N° 1 (01/2024) . - p. 13-19 Titre : Evaluation of the physical properties of goatskins tanned using banana (Musa spp.) leaf midrib tannins Type de document : texte imprimé Auteurs : James K. Wangui, Auteur ; Benson Ongorora, Auteur ; Douglas Onyancha, Auteur Année de publication : 2024 Article en page(s) : p. 13-19 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Bananier et constituants Cuirs et peaux -- Propriétés mécaniques Cuirs et peaux -- Propriétés physiques Cuirs et peaux de chèvres Mimosa et constituants Tannage végétal Température de retrait Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Vegetable tannins have been studied over the years with an aim to reduce the pollution load caused by chrome tanning. Although mimosa tannins have been utilized commercially, they are expensive and not readily available. The purpose of this study was to assess the physical properties of leather tanned with banana leaf midribs tannins in order to determine their suitability as vegetable tannins. Selected banana leaf midrib samples were collected from Gikondi village in Mukurweini, Nyeri County, Kenya. They were shade-dried and ground into powder. The skins were processed conventionally using banana leaf midribs tannins of Musa sapientum Linn. and ‘Muraru’ (AA genome), with mimosa as a control. The physical properties of the resultant leathers were determined following the standard IUP methods. It was found that Musa sapenitum Linn, ‘Muraru’ (AA genome) and mimosa-tanned leathers had average shrinkage temperatures of 80.33 ± 0.74°C, 78.67 ± 0.47°C and 81.67 ± 0.94°C, respectively. The properties of the tanned leathers were compared with those of the control-tanned leather. Assessment of the physical properties indicated that the leathers met the minimum recommended values safe for Musa sapentium Linn-tanned leather, which failed at 30,000 flexes. These results indicate that banana leaf midribs can be used as an organic tanning agent source for production of leathers from goatskins. Note de contenu : - EXPERIMENTAL : Materials - Tanning process - PHYSICAL TESTING : Sampling and sample preparation- Determination of shrinkage temperature - Mechanical analysis of the tanned leathers - RESULTS AND DISCUSSION : Tanning - Physical properties of the tanned leathers - Shrinkage temperature - Tensile strength - Tear strength - Table 1 : Process recipe for Mimosa tanning - Table 2 : Process recipe for banana leaf midrib tanning - Table 3 : Physical properties of selected banana leaf midrib tanned leathers and mimosa tanned leather - Grain crack and ball burst - Flexing endurance DOI : https://doi.org/10.34314/jalca.v119i1.8290 En ligne : https://drive.google.com/file/d/1CRhkpRovl3M5V4rZjc83y9rKE9FjEEaH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40345 [article]

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