Fabrication and characterization of regenerated leather using chrome shavings as raw materials / Cuicui Ding in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXII, N° 5 (05/2017)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXII, N° 5 (05/2017) . - p. 145-152 Titre : Fabrication and characterization of regenerated leather using chrome shavings as raw materials Type de document : texte imprimé Auteurs : Cuicui Ding, Auteur ; Min Zhang, Auteur ; Libo Dai, Auteur ; Yingying Qi, Auteur ; Ronghui Shi, Auteur ; Junhui Yang, Auteur Année de publication : 2017 Article en page(s) : p. 145-152 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Analyse mécanique dynamique Analyse thermique Cuir reconstitué Microscopie électronique à balayage Polymères en émulsion Polyuréthanes Pressage à chaud Thermogravimétrie Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Regenerated leather billet (semi-finished product) was prepared via hot pressing with chrome shaving and environment-friendly polymer waterborne polyurethanes (WPU) as the materials. The influence of WPU/chrome shaving ratios (w/w) on the performance of the billet was investigated by mechanical property test, dynamic thermal mechanical analysis, thermogravimetric analysis, differential scanning calorimetry and field-emission scanning electron microscopy. Furthermore, the ability of heat storage and temperature regulation was endowed for the regenerated leather by the addition of paraffin microcapsules. The results showed that a strong interface interaction could be achieved for the regenerated leather billet, which could be due to the formation of hydrogen bonds and the entanglement between WPU and leather shavings. In this way, WPU/leather shaving composites with favorable mechanical properties, thermal stability, ability of heat storage and temperature regulation were obtained. Note de contenu : - MATERIALS AND METHODS : Materials - Sample preparation - Mechanical properties tests of regenerated leathers - Dynamic mechanical analysis (DMA) - Thermogravimetric analysis (TGA) - Field-emission scanning electron microscopy (FESEM) - Differential scanning calorimetry (DSC) - Dynamic thermal mechanical properties of regenerated leathers - Thermogravimetricc analysis of regenerated leathers - Morphology of regenerated leathers - DSC thermograms of regenerated leathers En ligne : https://drive.google.com/file/d/11sHls5bq_Vn7T2GYgPB0sR1XXAgRmOI6/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28550 [article]

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