Improvement of leather flame retardancy through nano clay addition / Samaneh Sepehri in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 11 (11/2020)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXV, N° 11 (11/2020) . - p. 418-427 Titre : Improvement of leather flame retardancy through nano clay addition Type de document : texte imprimé Auteurs : Samaneh Sepehri, Auteur ; Mohammad Amani Tehran, Auteur ; Fatemeh Zeighami, Auteur Année de publication : 2020 Article en page(s) : p. 418-427 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Argile Cuir Cuirs et peaux -- Propriétés mécaniques Cuirs et peaux de bovins Cuirs et peaux de chèvres Essais dynamiques Nanoparticules Résistance à la traction Stabilité thermique Tannage Thermogravimétrie Wet-blue (tannage) Peau tannée au chrome (le chrome donne une couleur bleue) Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Leather is widely used in various industries including apparel, safety clothing, aircraft and automotive, due to its unique properties such as softness, air permeability, chemical resistance, high flexibility and reasonable mechanical resistance. Since leather products usually contain flammable organic compounds such as tanning, fatliquoring, dyeing and finishing materials, improvement of its flame retardancy is very important. A lot of flame retardants have been synthesized and applied to improve flame retardancy of leather. One of the best materials is nanoclay because it is easily available, environment-friendly and has a low cost. In this research, we propose a process that reduces the burning length of the leather and increases its thermal stability. For this purpose, clay nanoparticles by 1, 3, and 5 mass percent (relative to wet leather mass) were added to wet-blue bovine and goat leather under certain (temperature and time) conditions during the re-tanning process. The results of the TGA test on bovine leather samples showed that by increasing the amount of nanoclay, the thermal stability of samples was increased. SEM images prepared from the grain and cross-sections of bovine and goat leather samples showed that with a high percentage of nanoclay, particle agglomeration is partially visible. The results of the vertical flammability test also showed that the presence of clay nanoparticles reduced the burning length of leather samples. Tensile strength of bovine leather samples containing clay nanoparticles increased compared to the control sample. However, the tear strength of them did not differ significantly. Note de contenu : - EXPERIMENTS : Materials and equipment - PROCEDURE : a) Washing - b) Neutralization - c) Retanning - d) Fixation - e) Nano clay addition - f) Dyeing and fatliquoring - g) Washing and drying - RESULTS AND DISCUSSION : Thermal stability - Morphology - Tensile and tear strength - Flame retardancy properties - Table 1 : Outline formulation of process - Table 2 : Samples description - Table 3 : Mechanical properties of leather samples - Table 4 : Burning length of bovine leather - Table 5 : Burning length of goat leather DOI : https://doi.org/10.34314/jalca.v115i11.4181 En ligne : https://drive.google.com/file/d/1S2qwkHR7LATO84gxJoGFMvRp6wNHmAzz/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34849 [article]

Réservation

Réserver ce document

Exemplaires (1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
22419	-	Périodique	Bibliothèque principale	Documentaires	Disponible

---

1 (1 - 1 / 1)