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Synthesis and characterisation of nanofibrillar cellulose aerogels

Hoepfner, Sandra and Ratke, Lorenz and Milow, Barbara (2008) Synthesis and characterisation of nanofibrillar cellulose aerogels. Cellulose, 15, pp. 121-129. Springer Science+Business Media B.V. 2007. DOI: 10.1007/s10570-007-9146-8

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Official URL: http://www.springerlink.com/content/mv1126h30w34/?sortorder=asc&p_o=10

Abstract

We prepared from cellulose fibres monolithic aero- and cryogels. Cellulose is dissolved in hydrated calciumthiocyanate melt, gelled, aged and dried by several methods. The density of cellulose aerogels produced by supercritical drying is in the range between 10 and 60 kg/m<sup>3</sup> with a surface area of 200–220 m<sup>2</sup>/g. The cellulose cryogels produced by freeze drying exhibit a maximum surface area of 160 m<sup>2</sup>/g. Sputtered cellulose aero- and cryogels are examined with a scanning electron microscope. The results are discussed with respect to the literature and simple mathematical models.

Item URL in elib:https://elib.dlr.de/54002/
Document Type:Article
Title:Synthesis and characterisation of nanofibrillar cellulose aerogels
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hoepfner, SandraUNSPECIFIEDUNSPECIFIED
Ratke, LorenzUNSPECIFIEDUNSPECIFIED
Milow, BarbaraUNSPECIFIEDUNSPECIFIED
Date:2008
Journal or Publication Title:Cellulose
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:15
DOI :10.1007/s10570-007-9146-8
Page Range:pp. 121-129
Publisher:Springer Science+Business Media B.V. 2007
Status:Published
Keywords:Nanofibrillar cellulose, Cellulose aerogel, Cellulose cryogel, Supercritical drying , Freeze drying
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Materialwissenschaftliche Forschung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Ratke, Prof. Lorenz
Deposited On:25 Apr 2008
Last Modified:27 Apr 2009 14:55

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