Surface tailoring of cellulose aerogel-like structures with ultrathin coatings using molecular layer-by-layer assembly

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Fältnamn	Indikatorer	Metadata
000		03190naa a2200445 4500
001		oai:DiVA.org:kth-311623
003		SwePub
008		220502s2022 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3116232 URI
024	7	a https://doi.org/10.1016/j.carbpol.2022.1190982 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Atoufi, Zhalehu KTH,Fiberteknologi4 aut0 (Swepub:kth)u1bhu0lj
245	1 0	a Surface tailoring of cellulose aerogel-like structures with ultrathin coatings using molecular layer-by-layer assembly
264	1	b Elsevier BV,c 2022
338		a print2 rdacarrier
500		a QC 20220502
520		a Cellulose nanofibril-based aerogels have promising applicability in various fields; however, developing an effi-cient technique to functionalize and tune their surface properties is challenging. In this study, physically and covalently crosslinked cellulose nanofibril-based aerogel-like structures were prepared and modified by a mo-lecular layer-by-layer (m-LBL) deposition method. Following three m-LBL depositions, an ultrathin polyamide layer was formed throughout the aerogel and its structure and chemical composition was studied in detail. Analysis of model cellulose surfaces showed that the thickness of the deposited layer after three m-LBLs was approximately 1 nm. Although the deposited layer was extremely thin, it led to a 2.6-fold increase in the wet specific modulus, improved the acid-base resistance, and changed the aerogels from hydrophilic to hydrophobic making them suitable materials for oil absorption with the absorption capacity of 16-36 g/g. Thus, demon-strating m-LBL assembly is a powerful technique for tailoring surface properties and functionality of cellulose substrates.
650	7	a TEKNIK OCH TEKNOLOGIERx Materialteknikx Pappers-, massa- och fiberteknik0 (SwePub)205032 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Materials Engineeringx Paper, Pulp and Fiber Technology0 (SwePub)205032 hsv//eng
650	7	a NATURVETENSKAPx Kemix Materialkemi0 (SwePub)104032 hsv//swe
650	7	a NATURAL SCIENCESx Chemical Sciencesx Materials Chemistry0 (SwePub)104032 hsv//eng
653		a Cellulose nanofibril
653		a Aerogels
653		a Molecular layer-by-layer deposition
653		a Surface functionality
653		a Wet strength
653		a Oil absorption
700	1	a Reid, Michael S.u KTH,Fiber- och polymerteknologi4 aut0 (Swepub:kth)u1by4e7v
700	1	a Larsson, Per A.,d 1980-u KTH,Fiberteknologi4 aut0 (Swepub:kth)u12a6wq1
700	1	a Wågberg, Lars,d 1956-u KTH,Fiberteknologi,Wallenberg Wood Science Center4 aut0 (Swepub:kth)u14jbte3
710	2	a KTHb Fiberteknologi4 org
773	0	t Carbohydrate Polymersd : Elsevier BVg 282q 282x 0144-8617x 1879-1344
856	4	u https://doi.org/10.1016/j.carbpol.2022.119098y Fulltext
856	4	u https://doi.org/10.1016/j.carbpol.2022.119098
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-311623
856	4 8	u https://doi.org/10.1016/j.carbpol.2022.119098

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Av författaren/redakt...: Atoufi, Zhaleh; Reid, Michael S.; Larsson, Per A., ...; Wågberg, Lars, 1 ...

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Materialteknik; och Pappers massa oc ...

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