Freeze-casting of cellulose nanowhisker foams prepared from a water-dimethylsulfoxide (DMSO) binary mixture at low DMSO concentrations

Porous cellulose nanowhisker-based foams with a lamellae-like channel structure were fabricated by a novel freeze-casting technique using a water-dimethyl sulfoxide (DMSO) binary solvent mixture. With the incorporation of a 0.5-1.5% of DMSO the pore morphology of the materials can be controlled and...

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Bibliographic Details
Published inRSC advances Vol. 3; no. 42; pp. 19272 - 19277
Main Authors Zhou, Yiming, Fu, Shiyu, Pu, Yunqiao, Pan, Shaobo, Levit, Mikhail V., Ragauskas, Arthur J.
Format Journal Article
LanguageEnglish
Published 01.01.2013
Subjects
Cellulose
Channels
Foams
Lamellar structure
Mechanical properties
Nanostructure
Porosity
Solvents
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Summary:Porous cellulose nanowhisker-based foams with a lamellae-like channel structure were fabricated by a novel freeze-casting technique using a water-dimethyl sulfoxide (DMSO) binary solvent mixture. With the incorporation of a 0.5-1.5% of DMSO the pore morphology of the materials can be controlled and the foams show strongly improved mechanical properties as determined by compression tests.
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ISSN:2046-2069
2046-2069
DOI:10.1039/c3ra43646b