Issue 2, 2014
From the journal:

RSC Advances

Versatile cellular foams derived from CNC-stabilized Pickering emulsions

Steven Tasset,a   Bernard Cathala,a   Hervé Bizota  and  Isabelle Capron*a  

* Corresponding authors

a INRA, UR1268 Biopolymeres Interactions Assemblages, Rue de la Géraudière, 44316 Nantes, France
E-mail: isabelle.capron@nantes.inra.fr
Fax: +33 (0)2 40 67 51 67
Tel: +33 (0)2 40 67 50 95

Abstract

Lightweight cellular foams were prepared by freeze-drying oil-in-water emulsions stabilized with cellulose nanocrystals (CNCs). Oil and water were removed while preserving the cellular emulsion template without any shrinkage or deformation both at the internal cell and bulk foam scales. This versatile process proved to be relevant for controlling the pore size of the foam with respect to emulsion droplets. Moreover, the composite foams could easily be obtained as shown here by the addition of polyelectrolytes. Mechanical properties of the foam were investigated and they were found to be reinforced by chitosan addition. Thus, our finding opens new routes to a broad range of cellulose-based porous materials.

Graphical abstract: Versatile cellular foams derived from CNC-stabilized Pickering emulsions

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Article information

DOI
https://doi.org/10.1039/C3RA45883K
Article type
Communication
Submitted
16 Oct 2013
Accepted
15 Nov 2013
First published
18 Nov 2013

RSC Adv., 2014,4, 893-898

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Versatile cellular foams derived from CNC-stabilized Pickering emulsions

S. Tasset, B. Cathala, H. Bizot and I. Capron, RSC Adv., 2014, 4, 893 DOI: 10.1039/C3RA45883K

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