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Arabinoxylan/nanofibrillated cellulose composite films
KTH, Skolan för kemivetenskap (CHE), Centra, Wallenberg Wood Science Center.
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik. KTH, Skolan för kemivetenskap (CHE), Centra, Wallenberg Wood Science Center.ORCID-id: 0000-0001-5818-2378
Vise andre og tillknytning
2012 (engelsk)Inngår i: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 47, nr 18, s. 6724-6732Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

There is an increasing interest in substituting petroleum based polymer films, for food packaging applications, with films based on renewable resources. In many of these applications, low oxygen permeability and low moisture uptake of films are required, as well as high enough strength and flexibility. For this purpose, rye arabinoxylan films reinforced with nanofibrillated cellulose was prepared and evaluated. A thorough mixing of the components resulted in uniform films. Mechanical, thermal, structural, moisture sorption and oxygen barrier characteristics of such films are reported here. Reinforcement of arabinoxylan with nanofibrillated cellulose affected the properties of the films positively. A decrease in moisture sorption of the films, as well as an increase in stiffness, strength and flexibility of the films were shown. From these results and dynamic FTIR spectra, a strong coupling between reinforcing cellulose and arabinoxylan matrix was concluded. Oxygen barrier properties were equal or better as compared to the neat rye arabinoxylan film. In general, the high nanofibrillated cellulose containing composite film, i.e. 75 % NFC, showed the best properties.

sted, utgiver, år, opplag, sider
2012. Vol. 47, nr 18, s. 6724-6732
Emneord [en]
High Toughness, Polysaccharides, Hemicelluloses, Arabinoxylans, Spectroscopy, Xylans, Water, Ftir
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-99391DOI: 10.1007/s10853-012-6615-8ISI: 000305804800029Scopus ID: 2-s2.0-84864777434OAI: oai:DiVA.org:kth-99391DiVA, id: diva2:542197
Forskningsfinansiär
Knut and Alice Wallenberg Foundation
Merknad
QC 20120730Tilgjengelig fra: 2012-07-30 Laget: 2012-07-30 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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