Titre : |
Fast preparation of biopassive nonfouling coatings on cellulose |
Type de document : |
texte imprimé |
Auteurs : |
Alexander S. Münch, Auteur ; Tina Fritzsche, Auteur ; Helfried Haufe, Auteur ; Petra Uhlmann, Auteur |
Année de publication : |
2018 |
Article en page(s) : |
p. 703-712 |
Note générale : |
Bibliogr. |
Langues : |
Américain (ame) |
Catégories : |
Cellulose La cellulose est un glucide constitué d'une chaîne linéaire de molécules de D-Glucose (entre 200 et 14 000) et principal constituant des végétaux et en particulier de la paroi de leurs cellules. Greffage (chimie) Revêtements antisalissures Surfaces fonctionnelles
|
Index. décimale : |
667.9 Revêtements et enduits |
Résumé : |
The microbial infection as a result of biofilm formation is a serious problem in various fields of application in the paper industry including fouling of filters in air conditioning systems, wallpaper, medical and food packaging as well as ancient documents. In this study, we document a highly nonfouling surface coating formed by a functional copolymer consisting of 2-methacryloyloxyethyl phosphorylcholine, as a zwitterionic and cell repellent component, and 4-benzophenyl methacrylate, acting as an anchor group for a fast UV-induced persistent covalent attachment on thin cellulose model films deposited on silicon wafers. The grafting process, studied by UV–Vis spectroscopy, is much faster in comparison with common grafting-to techniques. The obtained sustainable and nonleaching surface coatings were analyzed by attenuated total reflectance-Fourier transform infrared spectroscopy, contact angle measurements, spectroscopic in situ ellipsometry, and atomic force microscopy. Incubation of the modified cellulose surfaces with either Escherichia coli, Bacillus subtilis or Saccharomyces cerevisiae demonstrates that the zwitterionic polymer functionalization has substantial nonfouling capacity against both Gram-negative and Gram-positive bacteria as well as the yeast fungus. |
Note de contenu : |
- EXPERIMENTAL SECTION : Materials - Synthesis - Surface modification - Characterizatioin methods - Cell adhesion experiments
- RESULTS AND DISCUSSION : Preparation and characterization of MPC-co-BPO layers on cellulose - Cell adhesion experiments |
DOI : |
10.1007/s11998-018-0066-3 |
En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-018-0066-3.pdf |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30848 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 15, N° 4 (07/2018) . - p. 703-712