Effect of preparation method on the properties of polylactide/cellulose nanocrystal nanocomposites

Dogan Arslan; Emre Vatansever; Deniz Sema Sarul; Yusuf Kahraman; Gurbuz Gunes; Ali Durmus; Mohammadreza Nofar

doi:10.1002/pc.25701

Effect of preparation method on the properties of polylactide/cellulose nanocrystal nanocomposites

Dogan Arslan, Emre Vatansever, Deniz Sema Sarul, Yusuf Kahraman, Gurbuz Gunes, Ali Durmus, Mohammadreza Nofar^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

Polylactide (PLA)/cellulose nanocrystal (CNC) nanocomposites with 1, 3, and 5 wt% CNC contents were prepared through (a) solution casting and (b) dilution of solution-casted PLA/CNC masterbatch though melt mixing in a twin-screw extruder. The effect of preparation method on the CNC dispersion quality and hence the final properties of the nanocomposites were studied. A better CNC dispersion within PLA was obtained when using solution casting method, whereas the formation of CNC agglomerates was observed in the melt-processed nanocomposites. The rheological results confirmed that a solid network was formed at the CNC content of around 3 wt% in the solution-casted samples. The PLA crystallization could also be enhanced differently in the presence of CNC nanoparticles through various preparation routes. Moreover, the CNC incorporation noticeably enhanced the storage modulus of PLA beyond its glass transition temperature. The oxygen permeability of PLA was also remarkably reduced with CNC by employing both methods.

Original language	English
Pages (from-to)	4170-4180
Number of pages	11
Journal	Polymer Composites
Volume	41
Issue number	10
DOIs	https://doi.org/10.1002/pc.25701
Publication status	Published - 1 Oct 2020

Bibliographical note

Publisher Copyright:
© 2020 Society of Plastics Engineers

Funding

The author would like to acknowledge the financial supports by the Scientific and Technological Research Council of Turkey (TUBITAK) in the content of 1001 project with the project number of 117M238. The authors would also like to sincerely thank Professor Seniha Fatma Guner, our TUBITAK 1001 project consultant, and Professor Metin Hayri Acar for providing their lab space to, respectively, run rheological and DSC experiments. We also thank Professor Kursat Kazmanli and Dr Selim Ertürk for their helps in running the XRD experiments.

Funders	Funder number
TUBITAK	117M238
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

Keywords

barrier
cellulose nanocrystal
crystallization
mechanical
nanocomposite
polylactide
rheology

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title = "Effect of preparation method on the properties of polylactide/cellulose nanocrystal nanocomposites",

abstract = "Polylactide (PLA)/cellulose nanocrystal (CNC) nanocomposites with 1, 3, and 5 wt% CNC contents were prepared through (a) solution casting and (b) dilution of solution-casted PLA/CNC masterbatch though melt mixing in a twin-screw extruder. The effect of preparation method on the CNC dispersion quality and hence the final properties of the nanocomposites were studied. A better CNC dispersion within PLA was obtained when using solution casting method, whereas the formation of CNC agglomerates was observed in the melt-processed nanocomposites. The rheological results confirmed that a solid network was formed at the CNC content of around 3 wt% in the solution-casted samples. The PLA crystallization could also be enhanced differently in the presence of CNC nanoparticles through various preparation routes. Moreover, the CNC incorporation noticeably enhanced the storage modulus of PLA beyond its glass transition temperature. The oxygen permeability of PLA was also remarkably reduced with CNC by employing both methods.",

keywords = "barrier, cellulose nanocrystal, crystallization, mechanical, nanocomposite, polylactide, rheology",

author = "Dogan Arslan and Emre Vatansever and Sarul, {Deniz Sema} and Yusuf Kahraman and Gurbuz Gunes and Ali Durmus and Mohammadreza Nofar",

note = "Publisher Copyright: {\textcopyright} 2020 Society of Plastics Engineers",

year = "2020",

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doi = "10.1002/pc.25701",

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AU - Arslan, Dogan

AU - Vatansever, Emre

AU - Sarul, Deniz Sema

AU - Kahraman, Yusuf

AU - Gunes, Gurbuz

AU - Durmus, Ali

AU - Nofar, Mohammadreza

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Polylactide (PLA)/cellulose nanocrystal (CNC) nanocomposites with 1, 3, and 5 wt% CNC contents were prepared through (a) solution casting and (b) dilution of solution-casted PLA/CNC masterbatch though melt mixing in a twin-screw extruder. The effect of preparation method on the CNC dispersion quality and hence the final properties of the nanocomposites were studied. A better CNC dispersion within PLA was obtained when using solution casting method, whereas the formation of CNC agglomerates was observed in the melt-processed nanocomposites. The rheological results confirmed that a solid network was formed at the CNC content of around 3 wt% in the solution-casted samples. The PLA crystallization could also be enhanced differently in the presence of CNC nanoparticles through various preparation routes. Moreover, the CNC incorporation noticeably enhanced the storage modulus of PLA beyond its glass transition temperature. The oxygen permeability of PLA was also remarkably reduced with CNC by employing both methods.

AB - Polylactide (PLA)/cellulose nanocrystal (CNC) nanocomposites with 1, 3, and 5 wt% CNC contents were prepared through (a) solution casting and (b) dilution of solution-casted PLA/CNC masterbatch though melt mixing in a twin-screw extruder. The effect of preparation method on the CNC dispersion quality and hence the final properties of the nanocomposites were studied. A better CNC dispersion within PLA was obtained when using solution casting method, whereas the formation of CNC agglomerates was observed in the melt-processed nanocomposites. The rheological results confirmed that a solid network was formed at the CNC content of around 3 wt% in the solution-casted samples. The PLA crystallization could also be enhanced differently in the presence of CNC nanoparticles through various preparation routes. Moreover, the CNC incorporation noticeably enhanced the storage modulus of PLA beyond its glass transition temperature. The oxygen permeability of PLA was also remarkably reduced with CNC by employing both methods.

KW - barrier

KW - cellulose nanocrystal

KW - crystallization

KW - mechanical

KW - nanocomposite

KW - polylactide

KW - rheology

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Effect of preparation method on the properties of polylactide/cellulose nanocrystal nanocomposites

Abstract

Bibliographical note

Funding

Keywords

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