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Promoted hydrogel formation of lignin-containing arabinoxylan aerogel using cellulose nanofibers as a functional biomaterial
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0002-6247-5963
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.ORCID-id: 0000-0001-7395-3302
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap. Department of Wood and Paper Science and Technology, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap. Fibre and Particle Engineering, University of Oulu, Oulu, Finland.ORCID-id: 0000-0003-4762-2854
2018 (engelsk)Inngår i: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 8, nr 67, s. 38219-38228Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this work, three-dimensional (3D) aerogels and hydrogels based on lignin-containing arabinoxylan (AX) and cellulose nanofibers (CNF) were prepared. The effects of the CNF and the crosslinking with citric acid (CA) of various contents (1, 3, 5 wt%) were evaluated. All the aerogels possessed highly porous (above 98%) and lightweight structures. The AX-CNF hydrogel with a CA content of 1 wt% revealed a favorable network structure with respect to the swelling ratio; nanofiber addition resulted in a five-fold increase in the degree of swelling (68 g of water per g). The compressive properties were improved when the higher CA content (5 wt%) was used; when combined with CNF, there was a seven-fold enhancement in the compressive strength. The AX-CNF hydrogels were prepared using a green and straightforward method that utilizes sustainable resources efficiently. Therefore, such natural hydrogels could find application potential, for example in the field of soft tissue engineering.

sted, utgiver, år, opplag, sider
Royal Society of Chemistry, 2018. Vol. 8, nr 67, s. 38219-38228
HSV kategori
Forskningsprogram
Trä och bionanokompositer; Experimentell mekanik
Identifikatorer
URN: urn:nbn:se:ltu:diva-71733DOI: 10.1039/C8RA08166BISI: 000451075500012Scopus ID: 2-s2.0-85057291251OAI: oai:DiVA.org:ltu-71733DiVA, id: diva2:1265357
Merknad

Validerad;2018;Nivå 2;2018-11-23 (johcin)

Tilgjengelig fra: 2018-11-23 Laget: 2018-11-23 Sist oppdatert: 2019-01-10bibliografisk kontrollert

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Berglund, LinnForsberg, FredrikJonoobi, MehdiOksman, Kristiina
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