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Microfibrillated cellulose - its barrier properties and applications in cellulosic materials: a review.

Carbohydrate polymers (2012-07-31)
Nathalie Lavoine, Isabelle Desloges, Alain Dufresne, Julien Bras
ABSTRACT

Interest in microfibrillated cellulose (MFC) has been increasing exponentially. During the last decade, this bio-based nanomaterial was essentially used in nanocomposites for its reinforcement property. Its nano-scale dimensions and its ability to form a strong entangled nanoporous network, however, have encouraged the emergence of new high-value applications. In previous years, its mode of production has completely changed, as many forms of optimization have been developed. New sources, new mechanical processes, and new pre- and post-treatments are currently under development to reduce the high energy consumption and produce new types of MFC materials on an industrial scale. The nanoscale characterization possibilities of different MFC materials are thus increasing intensively. Therefore, it is critical to review such MFC materials and their properties. Moreover, very recent studies have proved the significant barrier properties of MFC. Hence, it is proposed to focus on the barrier properties of MFC used in films, in nanocomposites, or in paper coating.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Cellulose, microcrystalline, powder
Sigma-Aldrich
Cellulose, fibers, (medium)
Sigma-Aldrich
Cellulose, microcrystalline, powder, 20 μm
Supelco
Avicel® PH-101, ~50 μm particle size
Sigma-Aldrich
Sigmacell Cellulose, Type 20, 20 μm
Sigma-Aldrich
α-Cellulose, powder
Sigma-Aldrich
Avicel® PH-101, tested according to Ph. Eur.
Sigma-Aldrich
Cellulose, colloidal, microcrystalline
Supelco
Cellulose, acid washed, powder, for column chromatography
Supelco
Cellulose, powder, for column chromatography
Sigma-Aldrich
Sigmacell Cellulose, Type 101, Highly purified, fibers
Sigma-Aldrich
Sigmacell Cellulose, Type 50, 50 μm
Sigma-Aldrich
α-Cellulose, BioReagent, suitable for insect cell culture
Supelco
Cellulose, DS-0, powder, suitable for thin layer chromatography (TLC)
Supelco
Cellulose, DFS-0, microcrystalline, suitable for thin layer chromatography (TLC)
Supelco
Cellulose, acid washed, from spruce, for column chromatography