Nano clay reinforced xylan barriers

Riku A. Talja, Francis Clegg, Chris Breen, Kristiina Poppius-Levlin

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Abstract

Birch wood xylan, plasticized with glycerol and reinforced with a nano clay, bentonite, was coated onto paper as a barrier layer. Bentonite increased the viscosity of plasticized xylan solutions, which had a positive influence on coating ability. X-ray diffraction traces of the xylan bentonite coatings confirmed that the interlayer distance of the bentonite particles had increased indicating that the xylan and/or glycerol resides in the interlayer region. The water vapour barrier properties were enhanced by dispersing bentonite into the glycerol-plasticized xylan coating. The improvement in properties varied from moderate to significant (340 to 56 g m-2 d-1). The permeability of diagnostic aroma compounds also decreased. Scanning electron micrographs confirmed that the best xylan-glycerol-clay coatings were intact without any pinholes.
Original languageEnglish
Title of host publicationThe 3rd Nordic Wood Biorefinery Conference (NWBC 2011)
Subtitle of host publicationOral presentations
Place of PublicationStockholm, Sweden
Pages132-137
Publication statusPublished - 2011
MoE publication typeB3 Non-refereed article in conference proceedings
Event3rd Nordic Wood Biorefinery Conference, NWBC 2011 - Stockholm, Sweden
Duration: 22 Mar 201124 Mar 2011
http://www.innventia.com/PageFiles/11935/NWBC_2011_Program_orals.pdf (Programme)
http://www.innventia.com/PageFiles/11935/NWBC_2011_Program_posters.pdf (Posters)

Conference

Conference3rd Nordic Wood Biorefinery Conference, NWBC 2011
CountrySweden
CityStockholm
Period22/03/1124/03/11
Internet address

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  • Cite this

    Talja, R. A., Clegg, F., Breen, C., & Poppius-Levlin, K. (2011). Nano clay reinforced xylan barriers. In The 3rd Nordic Wood Biorefinery Conference (NWBC 2011): Oral presentations (pp. 132-137).