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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 9/2013

01.09.2013 | Original Contribution

Morphological investigation of polylactide/microfibrillated cellulose composites

verfasst von: Christopher J. G. Plummer, Caleb K. C. Choo, Carole I. R. Boissard, Pierre-Etienne Bourban, Jan-Anders E. Månson

Erschienen in: Colloid and Polymer Science | Ausgabe 9/2013

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Abstract

Optical microscopy and transmission electron microscopy have been used to investigate the morphology of polylactide (PLA)/microfibrillated cellulose (MFC) composites prepared by: compression molding of wet-comingled MFC and PLA latex or powder, twin-screw extrusion of the wet-comingled compounds, and solvent mixing of PLA with MFC or acetylated MFC. Compression molding of wet-comingled MFC and PLA latex or powder compounds resulted in a cellular MFC network, whereas solvent-cast films showed a more uniform dispersion of MFC fibers. Somewhat lower aggregate diameters observed in the acetylated MFC were assumed to be due to decreased MFC hydrophilicity and improved chemical affinity with the PLA matrix. The MFC networks in the commingled compounds were severely disrupted after twin-screw extrusion. This confirmed the limited deformability of the networks inferred from the extensive syneresis during the initial compression molding step, and accounted for substantial losses in stiffness reinforcement by the MFC after extrusion.
Vorheriger Artikel Facile synthesis of calcium carbonate with an absolutely pure crystal form using 1-butyl-3-methylimidazolium dodecyl sulfate as the modifier
Nächster Artikel Crystallization behavior of sorbitol derivative nucleated polypropylene block copolymer under high pressure

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Metadaten
Titel
Morphological investigation of polylactide/microfibrillated cellulose composites
verfasst von
Christopher J. G. Plummer
Caleb K. C. Choo
Carole I. R. Boissard
Pierre-Etienne Bourban
Jan-Anders E. Månson
Publikationsdatum
01.09.2013
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 9/2013
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-013-2968-z

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