http://www.cnr.it/ontology/cnr/individuo/prodotto/ID192530

Superparamagnetic cellulose fiber networks via nanocomposite functionalization (Articolo in rivista)

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Superparamagnetic cellulose fiber networks via nanocomposite functionalization (Articolo in rivista) (literal)

Anno

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Alternative label

Fragouli, Despina; Bayer, Ilker S.; Di Corato, Riccardo; Brescia, Rosaria; Bertoni, Giovanni; Innocenti, Claudia; Gatteschi, Dante; Pellegrino, Teresa; Cingolani, Roberto; Athanassiou, Athanassia (2012)
Superparamagnetic cellulose fiber networks via nanocomposite functionalization
in Journal of materials chemistry (Print); The Royal Society of Chemistry, Cambridge (Regno Unito)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Fragouli, Despina; Bayer, Ilker S.; Di Corato, Riccardo; Brescia, Rosaria; Bertoni, Giovanni; Innocenti, Claudia; Gatteschi, Dante; Pellegrino, Teresa; Cingolani, Roberto; Athanassiou, Athanassia (literal)

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Note

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Center for Biomolecular Nanotechnologies @UNILE, Istituto Italiano di Tecnologia, via Barsanti, 73010 Arnesano, Lecce, Italy; Istituto Italiano di Tecnologia (IIT), via Morego 30, 16163 Genova, Italy; IMEM-CNR, Parco Area delle Scienze 37/A, 43124 Parma, Italy; INSTM-RU of Florence and Department of Chemistry, University of Florence, via della Lastruccia 3-13, 50019 Sesto F.no, Firenze, Italy (literal)

Titolo

Superparamagnetic cellulose fiber networks via nanocomposite functionalization (literal)

Abstract

We present a simple and cost-effective method for rendering networks of cellulose fibers, such as paper, fabrics or membranes, superparamagnetic by impregnating the individual fibers with a reactive acrylic monomer. The cellulose fibers are wetted by a cyanoacrylate monomer solution containing superparamagnetic manganese ferrite colloidal nanoparticles. Upon moisture initiated polymerization of the monomer on the fiber surfaces, a thin nanocomposite shell forms around each fiber. The nanocomposite coating renders the cellulose fibers water repellent and magnetically responsive. Magnetic and microscopy studies prove that the amount of the entrapped nanoparticles in the nanocomposite shell is fully controllable, and that the magnetic response is directly proportional to this amount. A broad range of applications can be envisioned for waterproof magnetic cellulose materials (such as magnetic paper/tissues) obtained by such a simple yet highly efficient method. (literal)

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