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Cellulose
Erschienen in: Cellulose 4/2013

01.08.2013 | Original Paper

In situ polymerization and characterization of elastomeric polyurethane-cellulose nanocrystal nanocomposites. Cell response evaluation

verfasst von: L. Rueda, A. Saralegi, B. Fernández-d’Arlas, Q. Zhou, A. Alonso-Varona, L. A. Berglund, I. Mondragon, M. A. Corcuera, A. Eceiza

Erschienen in: Cellulose | Ausgabe 4/2013

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Abstract

Polyurethane/Cellulose nanocrystal (CNC) nanocomposites have been prepared by means of in situ polymerization using CNCs as precursors of polyurethane chains. Thermal, mechanical and morphological characterization has been analyzed to study the effect of CNC on the micro/nanostructure, which consisted of individualized nanocellulose crystallites covalently bonded to hard and soft segments of polyurethane. The incorporation of low CNC content led to a tough material whereas higher amount of CNC provoked an increase in soft and hard segments crystallization phenomenon. Moreover, from the viewpoint of polyurethane and polyurethane nanocomposites applications focused on biomedical devices, biocompatibility studies can be considered necessary to evaluate the influence of CNC on the biological behaviour. SEM micrographs obtained from cells seeded on top of the materials showed that L-929 fibroblasts massively colonized the materials surface giving rise to good substrates for cell adhesion and proliferation and useful as potential materials for biomedical applications.
Vorheriger Artikel The role of nanocellulose fibers, starch and chitosan on multipolysaccharide based films
Nächster Artikel Preparation of cellulose I nanowhiskers with a mildly acidic aqueous ionic liquid: reaction efficiency and whiskers attributes

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Metadaten
Titel
In situ polymerization and characterization of elastomeric polyurethane-cellulose nanocrystal nanocomposites. Cell response evaluation
verfasst von
L. Rueda
A. Saralegi
B. Fernández-d’Arlas
Q. Zhou
A. Alonso-Varona
L. A. Berglund
I. Mondragon
M. A. Corcuera
A. Eceiza
Publikationsdatum
01.08.2013
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 4/2013
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-013-9960-0

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