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This review provides a critical overviewof the recent methods and processes developed for the production of cellulose nanoparticleswith controlled morphology, structure and properties, and also sums up 1 the processes for the chemical modificationsof these particles in order to prevent their re-aggregation during spray-dryingprocedures and to increase their reactivity, 2 the recent processes involved in theproduction of nanostructured biomaterials and composites. The structural and physicalproperties of those nanocelluloses, combined with their biodegradability, make themmaterials of choice in the very promising area of nanotechnology, likely subjectto major commercial successes in the context of green chemistry. With a prospectiveand pioneering approach to the subject matter, various laboratories involved inthis domain have developed bio-products now almost suitable to industrial applications;although some important steps remain to be overcome, those are worth been reviewed and supplemented. At this stage, several pilotunits and demonstrationplants have been built to improve, optimize and scale-up the processes developedat laboratory scale. Industrial reactors with suitable environment and modern controlequipment are to be expected within that context. This review shall bring the suitableprocessing dimension that may be needed now, given the numerous reviews outliningthe product potential attributes.An abundant literature database, close to 250 publications and patents, is provided,consolidating the various researchand more practical angles.

KEYWORDS

Nanocellulose; Processes; Production; Modifications; Biocomposites; Biomaterials; Engineering; Renewable; Bioadditives; Fibrous; Nanostructures; Green Chemistry

Cite this paper

S. Rebouillat and F. Pla -State of the Art Manufacturing and Engineering of Nanocellulose: A Review of Available Data and Industrial Applications,- Journal of Biomaterials and Nanobiotechnology, Vol. 4 No. 2, 2013, pp. 165-188. doi: 10.4236-jbnb.2013.42022.





Autor: Serge Rebouillat, Fernand Pla

Fuente: http://www.scirp.org/



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