Characterization of cellulose nanowhiskers: a comparison of two industrial bio-residues
2012 (English)In: 6th EEIGM International Conference Advanced Materials Research: 7th and 8th November, 2011 EEIGM, Nancy, France, Bristol: IOP Publishing Ltd , 2012Conference paper (Refereed)
Cellulose nanowhiskers separated from two different industrial residues, sludge from cellulose production (CNWSL) and lignin residue from ethanol production (CNWER), were compared in order to evaluate their characteristics and their potential as a source for the production of cellulose nanowhiskers (CNWs). It was found that CNWSL and CNWER suspensions exhibited flow birefringence when they were studied through cross-polarized filters. Transmission electron microscopy (TEM) study showed that the CNWSL were longer (377 nm) than CNWER (301 nm). It was also demonstrated that most CNWSL had nanowhiskers between 375-449 nm and CNWER between 300-374 nm. The UV/Vis spectroscopy showed a stronger interference in the UV and visible region for the CNWSL films. The crystallinity, obtained by X-ray analysis, was higher for CNWSL (86%) than for CNWER (78%). Finally, the thermal stability appeared to be slightly higher for the CNWER than for CNWSL. Both studied residues seem to be suitable sources for large-scale production of CNWs.
Place, publisher, year, edition, pages
Bristol: IOP Publishing Ltd , 2012.
, I O P Conference Series: Materials Science and Engineering, ISSN 1757-8981 ; 31
Research subject Wood and Bionanocomposites
IdentifiersURN: urn:nbn:se:ltu:diva-27803DOI: 10.1088/1757-899X/31/1/012006ScopusID: 84859811814Local ID: 15a65795-ab03-4fa6-93a3-12c6917d15fdOAI: oai:DiVA.org:ltu-27803DiVA: diva2:1000994
EEIGM International Conference on Advanced Materials Research : 11/06/2015 - 12/06/2015
Validerad; 2012; Bibliografisk uppgift: Article number 012006 ; 20111206 (ysko)2016-09-302016-09-30Bibliographically approved