Titre : |
Preparation and application of graphene oxide-fluorosilicone modified waterborne polyurethane |
Type de document : |
texte imprimé |
Auteurs : |
Zhang Menmeng, Auteur ; Sui Zhihui, Auteur ; Li Zeyang, Auteur ; Cao Xiangyu, Auteur ; Hu Fang, Auteur |
Année de publication : |
2024 |
Article en page(s) : |
p. 221-224 |
Note générale : |
Bibliogr. |
Langues : |
Anglais (eng) |
Catégories : |
Antibactériens Chimie analytique Cuirs et peaux -- Finition Cuirs et peaux -- Propriétés mécaniques Fluorosilicones Oxyde de graphène Polymères en émulsion Polyuréthanes
|
Index. décimale : |
675 Technologie du cuir et de la fourrure |
Résumé : |
A novel fluoro-silicone modified waterborne polyurethane emulsion was synthesized by using alcohol hydroxy-fluorosiloxane as the fluoro-silicone modified monomer of WPU (water-based polyurethane), and the GO/FSiWPU leather finishing agent was prepared by blending with graphene oxide (GO). The structure of FSiWPU emulsion and latex film was analyzed by FT-IR and XPS. The water contact angle, bacteriostatic and other application properties of the coated leather were also tested. FT-IR and XPS analysis showed that the fluorine silicon monomer was successfully introduced into the WPU chain segment. The contact angle of latex film to water is 121.95°. The antibacterial experiment showed that the diameter of Escherichia coli inhibition zone was about 10 mm in the leather sample coated with GO/FSiWPU emulsion (leather sample test diameter was 5 mm), indicating that the coated leather sample had excellent antibacterial performance. At the same time, the addition of GO and fluorosilicon monomer also improved the tensile strength, softness, yellowing resistance and wear resistance of the leather sample. |
Note de contenu : |
- EXPERIMENTAL PROCEDURES :
- Materials
- Preparation of fluorosilicone modified waterborne polyurethane (FSiWPU) emulsion
- Preparation of GO/FSiWPU emulsion
- Preparation of emulsion film
- Finishing of leather samples
- FT-IR test of latex film
- XPS test of latex film
- Antibacterial performance test of leather
- Leather application performance tests
- RESULTS AND DISCUSSION :
- FT-IR analysis
- XPS analysis
- Analysis of hydrophobic property of leather
- Analysis of antibacterial property of leather
- Leather application performance analysis
- Table 1 : Leather application performance test
- |
En ligne : |
https://drive.google.com/file/d/15B7wK9SR6EcLourYxTU0l594g3Y9-zkf/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41598 |
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 108, N° 5 (09-10/2024) . - p. 221-224