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Substrate and film structure impacts on adhesion properties between lignocellulosic polymers

Published online by Cambridge University Press:  12 January 2012

Elias Estephan ,
Véronique Aguié-Béghin ,
Loïc Muraille  and
Michael Molinari
Elias Estephan
Affiliation:
Laboratoire de Microscopie et d’Etude de Nanostructure, Université de Reims Champagne-Ardenne, F-51100 Reims, France. INRA, UMR 614 Fractionnement des AgroRessources et Environnement, F-51100 Reims, France. UMR 614, Fractionnement des AgroRessources et Environnement, Université Reims Champagne-Ardennes, F-51100 Reims, France.
Véronique Aguié-Béghin*
Affiliation:
INRA, UMR 614 Fractionnement des AgroRessources et Environnement, F-51100 Reims, France. UMR 614, Fractionnement des AgroRessources et Environnement, Université Reims Champagne-Ardennes, F-51100 Reims, France.
Loïc Muraille
Affiliation:
Laboratoire de Microscopie et d’Etude de Nanostructure, Université de Reims Champagne-Ardenne, F-51100 Reims, France. INRA, UMR 614 Fractionnement des AgroRessources et Environnement, F-51100 Reims, France. UMR 614, Fractionnement des AgroRessources et Environnement, Université Reims Champagne-Ardennes, F-51100 Reims, France.
Michael Molinari*
Affiliation:
Laboratoire de Microscopie et d’Etude de Nanostructure, Université de Reims Champagne-Ardenne, F-51100 Reims, France.
*
*Corresponding authors : E-mail address: [email protected] and [email protected]
*Corresponding authors : E-mail address: [email protected] and [email protected]
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Abstract

Using AFM, ellipsometric and profilometric measurements, we have investigated the topography and the thickness of the cellulose nanocristal (NCC) films prepared by two different methods: the first one is obtained by evaporation of concentrated suspension of NCC in petri-dish to produce a self-supported film; the second one is produced by dipping thin NCC layer on silicon substrate by Langmuir-Blodgett (LB) technique. Glucomanan (GM) functionalized AFM tip was brought into contact with these two kinds of NCC films in order to measure the adhesion between GM and NCC. The impact of the substrate and the thickness of NCC films on the measured adhesion forces were also studied: the mean measured adhesion force between the two polysaccharides was 17 nN regardless of the way the films were prepared. Adhesion properties can help us understand biochemical processes in the plant cell wall.

Keywords

adhesionscanning probe microscopy (SPM)polymer
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1422: Symposium QQ – Functional Imaging of Materials#x2013;Advances in Multifrequency and Multispectral , 2012 , mrsf11-1422-qq07-09
Copyright
Copyright © Materials Research Society 2012

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References

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