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Cellulose

Erschienen in:

12.12.2015 | Original Paper

Behavior of polylactide/microcrystalline cellulose biocomposites: effects of filler content and interfacial compatibilization

verfasst von: Berk Dogu, Cevdet Kaynak

Erschienen in: Cellulose | Ausgabe 1/2016

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Abstract

The purpose of this study was to investigate the effects of microcrystalline cellulose (MCC) content on the properties of polylactide (PLA) biocomposites; including the influences of maleic anhydride (MA) grafted PLA copolymer compatibilization. PLA/MCC biocomposites were produced by industrially compatible production techniques, i.e. twin-screw extrusion melt-mixing for compounding and injection molding for shaping of bulk specimens. SEM analysis and mechanical tests indicated that use of 3 wt% MCC resulted in very uniform distribution and consequently improved properties especially in terms of ductility and toughness. For instance, compared to neat PLA, the increases in the values of % strain at break and fracture toughness were 78 and 31 %, respectively. After MA compatibilization, these increases became as much as 82 and 55 %, respectively. Moreover, DSC and TGA indicated that use of MCC resulted in no significant changes in the transition temperatures and thermal degradation temperatures of PLA.

Vorheriger Artikel All-cellulose composites based on microfibrillated cellulose and filter paper via a NaOH-urea solvent system

Nächster Artikel Investigation of the mechanism and effectiveness of cationic polymer as a compatibilizer in microfibrillated cellulose-reinforced polyolefins

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Titel: Behavior of polylactide/microcrystalline cellulose biocomposites: effects of filler content and interfacial compatibilization
verfasst von: Berk Dogu
Cevdet Kaynak
Publikationsdatum: 12.12.2015
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 1/2016
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-015-0839-0

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