Accueil
Détail de l'auteur
Auteur Mulugeta Muche Birhanu |
Documents disponibles écrits par cet auteur
Ajouter le résultat dans votre panier Affiner la recherche
Opuntia ficus-indica extract as a sustainable solution for skins and hides unhairing / Hafeezullah Memon in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIX, N° 9 (09/2024)
[article]
Titre : Opuntia ficus-indica extract as a sustainable solution for skins and hides unhairing Type de document : texte imprimé Auteurs : Hafeezullah Memon, Auteur ; Eldana Bizuneh Chaklie, Auteur ; Mulugeta Muche Birhanu, Auteur ; Misganaw Hailie Tesfie, Auteur Année de publication : 2024 Article en page(s) : p. 387-395 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chimie écologique
Cuirs et peaux -- Propriétés mécaniques
Cuirs et peaux de moutons
Enzymes végétales
Epilage
Epilage enzymatique
Figuier de Barbarie
Résistance à la déchirure
Résistance à la tractionIndex. décimale : 675 Technologie du cuir et de la fourrure Résumé : With increasing awareness of environmental repercussions stemming from the leather industry, the pursuit of plant-based unhairing methodologies has gained substantial research momentum. This study unveils an innovative strategy capable of thorough sheepskin unhairing within a remarkably brief span of 6 hours. This approach is promising because it leverages the synergistic potential of potassium/calcium thioglycolate to dismantle disulfide bonds in keratin and fortify the process with zinc substances to enhance collagen attributes and skin texture. In addition, the inherent natural antioxidants present in plants mitigate microbial proliferation. By employing various concentrations and durations, the chemical formulation was systematically applied to nine distinct samples, culminating in an optimal outcome marked by 80 mL of Opuntia ficus-indicasolution. This treatment resulted in a noteworthy enhancement in collagen integrity and skin texture, with profound penetration of the chemical into the skin matrix, thereby ensuring efficacious permeation. Critically, the inclusion of collagenase inhibitor constituents within the enzyme composition precluded collagen degradation, ultimately yielding premium-grade leather that not only adheres to but also surpasses industry benchmarks, as substantiated by meticulous tensile and tear tests. Leathers crafted via this innovative paradigm consistently demonstrated superiority, thereby underscoring the merits of this approach in fostering sustainable leather production. Note de contenu : - EXPERIMENTAL :
- Materials
- Method
- RESULTS : Unhairing agent application
- Hair removal results
- Characteristics of leather after new unhairing process
- Shrinkage temperature test
- The extent of hair removal from each sample and Shrinkage test result
- Influence of concentration and unhairing duration on tensile strength
- Influence of concentration and unhairing duration on tear strength
- Comparing conventional process and current novel process
- Table 1 : Application of the solution at different concentrations and duration
- Table 2 : The extent of hair removal from each sample and Shrinkage test result
- Table 3 : Thickness, tensile strength with its SD, percentage elongation and tear strength with its SD result of samples
- Table 4 : Comparison between conventional process and the developed novel processDOI : https://doi.org/10.34314/5x1p4465 En ligne : https://drive.google.com/file/d/1EXdOUu_NMZq0VcCA4AUvg1a8pGaSLWqr/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41457
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXIX, N° 9 (09/2024) . - p. 387-395[article]Réservation
Réserver ce document
Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 24826 - Périodique Bibliothèque principale Documentaires Sorti jusqu'au 18/10/2024