Deniz Sema Sarul
Preparation and characterization of PLA/PBAT/CNC blend nanocomposites
Sarul, Deniz Sema; Arslan, Dogan; Vatansever, Emre; Kahraman, Yusuf; Durmus, Ali; Salehiyan, Reza; Nofar, Mohammadreza
Authors
Dogan Arslan
Emre Vatansever
Yusuf Kahraman
Ali Durmus
Reza Salehiyan
Mohammadreza Nofar
Abstract
In this study, the effect of cellulose nanocrystals (CNCs) on the properties of polylactide (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) blends was investigated. Samples were prepared via (i) solution casting (SC) and (ii) combination of solution casting and melt mixing through twin-screw extruder (mTSE). Scanning electron microscopy images revealed the effect of CNC content on the droplet morphology of PBAT dispersed phase. Rheological analysis showed that 3 wt% of CNC formed a strong network in PLA by SC method. Differential scanning calorimetry results depicted the heterogeneous nucleation effect of CNC on PLA’s crystallization in samples prepared by mTSE. Dynamic mechanical analysis illustrated that CNC enhanced the modulus beyond the glass transition temperature of PLA regardless of the preparation method. The tensile and impact properties also elucidated that the existence of any possible residual solvent in blends could dramatically avoid achievement of improvements in ductility and impact properties.
Citation
Sarul, D. S., Arslan, D., Vatansever, E., Kahraman, Y., Durmus, A., Salehiyan, R., & Nofar, M. (2021). Preparation and characterization of PLA/PBAT/CNC blend nanocomposites. Colloid and Polymer Science, 299(6), 987-998. https://doi.org/10.1007/s00396-021-04822-9
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 26, 2021 |
Online Publication Date | Feb 5, 2021 |
Publication Date | 2021-06 |
Deposit Date | Jan 30, 2023 |
Journal | Colloid and Polymer Science |
Print ISSN | 0303-402X |
Electronic ISSN | 1435-1536 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 299 |
Issue | 6 |
Pages | 987-998 |
DOI | https://doi.org/10.1007/s00396-021-04822-9 |
Keywords | PLA, PBAT, CNC, Blend, Nanocomposite, Processing, Morphology, Rheology |
Public URL | http://researchrepository.napier.ac.uk/Output/3009709 |
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