| Titre : |
Organic fluorosilicone modified polyacrylate emulsion finishing agent |
| Type de document : |
texte imprimé |
| Auteurs : |
Sui Zhihui, Auteur ; San Jinglong, Auteur ; Wang Xu, Auteur ; Zu Bin, Auteur ; Cao Xiangyu, Auteur ; Qiang Xihuai, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 208-212 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Copolymères
Cuirs et peaux -- Finition
Fluoropolymères
Hydrophobie
Latex
Polyacrylates
Polymères en émulsion
Polymérisation en émulsion
Résistance thermique
Revêtements antisalissures
|
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
In order to improve the hydrophobicity and applied properties of leather products, 3- (Trimethoxysilyl)propyl methacrylate (KH-570) and Dodecafluoroheptyl methacrylate (G04) were used as modified monomers preparing a fluorosilicone polyacrylate leather finishing agent by semi-continuous seed emulsion polymerisation. The structure of the prepared latex film was characterised and analysed by FTIR and XPS. The effects of the addition of silicone monomer on the latex film and the application properties were investigated by SEM and TG. The results showed that: both the organic fluorine and the silicone monomers participated in the polymerisation, and the particle size of the emulsion was 50-70nm. XPS showed that the fluorine and silicon elements in the film-air interface were 1.74% and 3.12% higher than the theoretical values. SEM showed that the surface microstructure of the latex film of the fluorosilicone copolymer emulsion was relatively rough, and the roughness was helpful to further improve the hydrophobicity and antifouling property of the finished leather. TG showed that, after the addition of silicone monomer, the heat resistance of the film was obviously improved. Compared with fluorinated polyacrylate emulsion, the contact angle of the leather sample finished by organo fluorosilicone polyacrylate emulsion to water increased about 7°. The applied properties of the finished leather were also improved. |
| Note de contenu : |
- EXPERIMENTAL PROCEDURES : Materials - Preparation of fluorosilicone polyacrylate - Finishing technology of leather - FTIR characterisation of polymer film - Testing of emulsion particle size - XPS analysis of latex film surface - SEM analysis of latex film - TG analysis of latex film - Contact angle of finished leather to water - Testing of the finished leather applied properties
- RESULTS AND DISCUSSION : FTIR analysis of latex film - XPS analysis of latex film - Scanning electron microscopy of latex film - Measurement of contact angle of leather to water - Testing of the finished leather applied properties |
| En ligne : |
https://drive.google.com/file/d/1Au_o7I11Y6vnpVSH9P51Ieebo4ZKsFs1/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32801 |
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 103, N° 4 (07-08/2019) . - p. 208-212
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