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Issue 38, 2012
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Exploring the rearrangement of amorphous cellulose model thin films upon heat treatment

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Abstract

The behavior of amorphous cellulose model thin films upon heat treatment is investigated. Upon heat treatment, a structural rearrangement in the films from a featureless to a fibrillar structure is observed which correlates with the regeneration time and total cellulose content as proven by atomic force microscopy and X-ray photoelectron spectroscopy. ATR-IR spectroscopy proves the presence of stronger hydrogen bonds in the heat treated surfaces which originate from a reorganization of the cellulose chains and pore structure. The rearrangement is accompanied with an increased surface hydrophobicity, a reduced swelling capacity and a reduction in the water content of the films. An increase in crystallinity of the films is not observed.

Graphical abstract: Exploring the rearrangement of amorphous cellulose model thin films upon heat treatment

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Supplementary files

Article information


Submitted
19 Apr 2012
Accepted
17 Jul 2012
First published
09 Aug 2012

Soft Matter, 2012,8, 9807-9815
Article type
Paper

Exploring the rearrangement of amorphous cellulose model thin films upon heat treatment

T. Mohan, S. Spirk, R. Kargl, A. Doliška, A. Vesel, I. Salzmann, R. Resel, V. Ribitsch and K. Stana-Kleinschek, Soft Matter, 2012, 8, 9807
DOI: 10.1039/C2SM25911G

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