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Functional Wood-Foa...
Functional Wood-Foam Composites for Controlled Uptake and Release
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- Church, Tamara L. (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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- Kriechbaum, Konstantin, 1991- (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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- Emami, S. Noushin (författare)
- Stockholms universitet,Institutionen för molekylär biovetenskap, Wenner-Grens institut,University of Greenwich, U.K.
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- Mozuraitis, Raimondas, 1963- (författare)
- Stockholms universitet,Zoologiska institutionen
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- Bergström, Lennart (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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(creator_code:org_t)
- 2021-11-11
- 2021
- Engelska.
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Ingår i: ACS Sustainable Chemistry and Engineering. - : American Chemical Society (ACS). - 2168-0485. ; 9:46, s. 15571-15581
- Relaterad länk:
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https://doi.org/10.1...
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https://pubs.acs.org...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Wood-foam hierarchical composites were produced via the shear-forced infiltration of shear-thinning nanocellulose-based foams or gels into the tracheids of Picea abies. Shear processing viscoelastic and shear-thinning aqueous foams composed of cellulose nanocrystals, methylcellulose, and tannic acid (total solids content: 2 wt %) resulted in foam-filled wood composites containing 15-20 wt % foam, with open foam structures and compression strengths similar to those of unmodified P. abies. An amino-functionalized nanocellulose-containing foam confined in wood reversibly adsorbed CO2, retaining 15% of its theoretical uptake capacity over 50 cycles in the thermogravimetric analyzer, and a citronellol-loaded foam released this mosquito-repellent compound over four days, as evaluated using solid-phase microextraction. Shear-forced infiltration of functional foams into wood is an operationally simple route to hierarchically porous composites based on renewable materials.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Nyckelord
- cellulose nanomaterials
- functional wood composites
- functional nanocellulose foams
- shear thinning
- CO2 uptake
- hierarchical structure
- Green & Sustainable Science & Technology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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