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Publikācija: Enhanced Stability of PVA Electrospun Fibers in Water by Adding Cellulose Nanocrystals

Publication Type Scientific article indexed in SCOPUS or WOS database
Funding for basic activity Unknown
Defending: ,
Publication language English (en)
Title in original language Enhanced Stability of PVA Electrospun Fibers in Water by Adding Cellulose Nanocrystals
Field of research 2. Engineering and technology
Sub-field of research 2.5 Materials engineering
Authors Anna Šutka
Andris Šutka
Sergejs Gaidukovs
Martin Timusk
Jānis Grāvītis
Silvija Kukle
Keywords electrospinning; nanocellulose; nanocomposites; PVA; thermal properties
Abstract The solubility of electrospun poly(vinyl alcohol) nanofiber mats (PVAES-NFM) is strongly influenced by loading with nanocellulose (NC). The NC was derived from hemp shives obtained by steam explosion autohydrolysis followed by water and alkaline extraction, ball milling, and ultrasonication treatments. It was demonstrated for the first time that PVAES-NFM does not disintegrate in aqueous medium after simple adding of NC without any additional chemical or physical modification (PVAES-NFMNC). The structural and thermal studies on PVAES-NFMNC indicated that enhanced stability in aqueous medium can be explained by interactions between surface groups of NC and PVA macromolecules as well as by reinforcing the effect of NCs. The experimental findings could be important for filtration applications in environments with high relative humidity.
DOI: 10.1515/hf-2014-0277
Hyperlink: http://www.degruyter.com/view/j/hfsg.2015.69.issue-6/hf-2014-0277/hf-2014-0277.xml 
Reference Šutka, A., Šutka, A., Gaidukovs, S., Timusk, M., Grāvītis, J., Kukle, S. Enhanced Stability of PVA Electrospun Fibers in Water by Adding Cellulose Nanocrystals. Holzforschung, 2015, Vol.69, Iss.6, pp.737-743. ISSN 1437-434X. e-ISSN 0018-3830. Available from: doi:10.1515/hf-2014-0277
ID 20731