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Monoliths and Fibrous Cellulose Aerogels

Ratke, Lorenz (2011) Monoliths and Fibrous Cellulose Aerogels. In: Aerogels Handbook Advances in Sol-Gel Derived Materials and Technologies. Springer Verlag. pp. 173-190. ISBN 978-1-4419-7477-8.

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Cellulose aerogels can be produced by using several methods, yielding materials with extremely low densities. Their structure can be described as a type of nanofelt, which means that the elementary fibrils of cellulose are arranged in a random three-dimensional (3D) network. Aerogels made either by freeze or supercritical drying of dissolved cellulose nanofibrils can be transformed into filaments, establishing the first open porous filament for possible textile applications. They can also be converted to carbon aerogel monoliths and filaments opening up new fields of application. The review describes the different methods developed by several research groups worldwide to produce low density cellulose monoliths and filaments. It presents the microstructures obtained with various methods and the properties of cellulose aerogels.

Document Type:Contribution to a Collection
Title:Monoliths and Fibrous Cellulose Aerogels
AuthorsInstitution or Email of Authors
Date:July 2011
Journal or Publication Title:Aerogels Handbook
Page Range:pp. 173-190
Aegerter, Michel A.michel.aegerter@bluewin.ch
Leventis, Nicholasleventis@mst.edu
Koebel, Matthias M.matthias.koebel@empa.ch
Publisher:Springer Verlag
Series Name:Advances in Sol-Gel Derived Materials and Technologies
Keywords:aerogels, cellulose, monoliths, filaments
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Prof. Lorenz Ratke
Deposited On:16 Aug 2011 08:23
Last Modified:16 Aug 2011 08:23

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