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PLA-PHB/cellulose based films: Mechanical, barrier and disintegration properties
Open accessAbstract
Nanocomposite films based on poly(lactic acid)-poly(hydroxybutyrate) (PLA-PHB) blends and synthesized cellulose nanocrystals (CNC) or surfactant modified cellulose nanocrystals (CNCs), as bio-based reinforcement, were prepared by melt extrusion followed by film forming. The obtained nanocomposites are intended for short-term food packaging. Thus, the mechanical, optical, barrier and wettability properties were studied. Functionalized CNCs contribute to enhance the interfacial adhesion between PLA and PHB, leading to improved mechanical stiffness and increased film stretchability. The synergic effects of the PHB and CNCs on the PLA barrier properties were confirmed by increases in oxygen barrier properties and reductions in surface wettability of the nanocomposites. In addition, the measurements of the viscosity molecular weight for ternary systems showed practically no degradation of PLA and smaller degradation of PHB during processing due to nanocrystal presence. The disintegration process in composting conditions of PLA was delayed by the addition of PHB, while CNC speeded it up. PLA-PHB-CNCs formulations showed enhanced mechanical performance, improved water resistance, reduced oxygen and UV-light transmission, as well as appropriate disintegration in compost suggesting possible applications as packaging materials.
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Cites
Polymer biodegradation: Mechanisms and estimation techniques – A review
Lucas, N., Bienaime, C., Belloy, C., Queneudec, M., Silvestre, F., & Nava-Saucedo, J.-E. (2008) · Chemosphere · doi:10.1016/j.chemosphere.2008.06.064 · Cited by 1,384
Biodegradation behavior of P(3HB,4HB)/PLA blends in real soil environments
Weng, Y.-X., Wang, L., Zhang, M., Wang, X.-L., & Wang, Y.-Z. (2013) · Polymer Testing · doi:10.1016/j.polymertesting.2012.09.014 · Cited by 158
Cited by
Meereboer, K. W., Misra, M., & Mohanty, A. K. (2020) · Green Chemistry · doi:10.1039/d0gc01647k · Cited by 965
Wu, F., Misra, M., & Mohanty, A. K. (2021) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2021.101395 · Cited by 909
Poly (lactic acid) blends: Processing, properties and applications
Nofar, M., Sacligil, D., Carreau, P. J., Kamal, M. R., & Heuzey, M.-C. (2019) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2018.12.002 · Cited by 780
Polylactic acid blends: The future of green, light and tough
Hamad, K., Kaseem, M., Ayyoob, M., Joo, J., & Deri, F. (2018) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2018.07.001 · Cited by 640
Liu, C., Li, B., Du, H., Lv, D., Zhang, Y., Yu, G., Mu, X., & Peng, H. (2016) · Carbohydrate Polymers · doi:10.1016/j.carbpol.2016.06.025 · Cited by 382
Metadata
- Authors
- Arrieta, M. P., Fortunati, E., Dominici, F., Rayón, E., López, J., & Kenny, J. M.
- Venue
- Polymer Degradation and Stability
- Publisher
- Elsevier BV
- Published
- 2014-09
- Volume
- 107
- Pages
- 139-149
- ISSN
- 0141-3910 (ISSN-L)
- OpenAlex
- W2081258128
- Cited by
- 325
- References
- 2
- FWCI
- 8.40
- Type
- journal article
- Language
- en
- Open access
- green
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- Arrieta, M. P., Fortunati, E., Dominici, F., Rayón, E., López, J., & Kenny, J. M. (2014). PLA-PHB/cellulose based films: Mechanical, barrier and disintegration properties. Polymer Degradation and Stability. https://doi.org/10.1016/j.polymdegradstab.2014.05.010
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