| Titre : |
Synthesis of multi-site polyether amine triazine derivative for sustainable leather manufacturing |
| Type de document : |
texte imprimé |
| Auteurs : |
Xinju Jia, Auteur ; Ran Tan, Auteur ; Biyu Peng, Auteur |
| Année de publication : |
2022 |
| Article en page(s) : |
p. 141-152 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Analyse thermique
Blancheur
Cuirs et peaux -- Propriétés mécaniques
Cuirs et peaux -- Propriétés physiques
Environnement -- Etudes d'impact
Epaisseur -- Mesure
Morphologie (matériaux)
Polyéther amine triazine
Polymères -- Synthèse
Potentiel zeta
Tannage synthétique
Température de retrait
|
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
In this work, a multi-site polyether amine triazine derivative (ET) was prepared via a one-step process and its structure was confirmed using FT-IR and 1H NMR analyses. Then, the ET was applied to the tanning process and the ET tanning approach optimized and evaluated. The result indicated that after tanning with 8% ET at pH 6 for 6 h, the shrinkage temperature of leather was 83.9°C and the thickness change rate was 97.5%. The XRD, DSC, TG, SEM and Zeta potential analyses demonstrated that ET could couple with the amino groups of the collagen side chains and breaking partial hydrogen bonds between fibers, brought significant improvement to the softness of leather without obvious damage to the high-level structure of collagen. Residual Cl- concentration in the wastewater
decreased 42.1% in the tanning process compared to the conventional chrome tanning method. The emissions of COD and TDS in the tanning process reduced by 40.5% and 27.2%, respectively. It is conceivable that the ET tanning approach provides an improved approach to promote leather industry to develop sustainably. |
| Note de contenu : |
- EXPERIMENTAL : Materials and equipment - Preparation of polyether amine triazine derivatives (ET) - Fourier Transform Infrared Spectroscopy (FT-IR) - Nuclear magnetic resonance spectroscopy (1H NMR) - Leather tanning processing - Determination of the shrinkage temperature - Determination of the exhaustion rate of tanning agent - Determination of the percent thickness increase - Thermal analysis - Zeta potential analyses - Morphological analyses - Whiteness analysis - X-ray diffraction (XRD) measurement - Determination of physical and mechanical properties - Environmental impact assessment
- RESULTS AND DISCUSSIONS : Characterization of ET - Optimization of the ET tanning conditions - Optimization of the ET tanning temperature - Optimization of the ET dosage - Zeta potential analysis - XRD analysis - Physical performance leather - Whiteness analysis - Morphology analysis - Environmenta impact assessments
- Table 1 : ET tanning process
- Table 2 : CTDT tanning process
- Table 3 : Tanning effect of different ET dosage
- Table 4 : Weight loss in different thermogravimetric stage
- Table 5 : Physical performances of leather tanned with different method
- Table 6 : Whiteness of wet-white tanned by different methods |
| DOI : |
https://doi.org/10.34314/jalca.v117i4.4897 |
| En ligne : |
https://drive.google.com/file/d/1aScYsv5HLo94PmHjL2bri8iHG1jRufx0/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37561 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXVII, N° 4 (04/2022) . - p. 141-152
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Synthesis of multi-site polyether amine triazine derivative for sustainable leather manufacturing in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 4 (04/2022)
