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Mechanical, Thermal and Morphological Properties of Poly(lactic acid)/Epoxidized Palm Olein Blend
Open accessAbstract
Poly(lactic acid) (PLA) is known to be a useful material in substituting the conventional petroleum-based polymer used in packaging, due to its biodegradability and high mechanical strength. Despite the excellent properties of PLA, low flexibility has limited the application of this material. Thus, epoxidized palm olein (EPO) was incorporated into PLA at different loadings (1, 2, 3, 4 and 5 wt%) through the melt blending technique and the product was characterized. The addition of EPO resulted in a decrease in glass transition temperature and an increase of elongation-at-break, which indicates an increase in the PLA chain mobility. PLA/EPO blends also exhibited higher thermal stability than neat PLA. Further, the PLA/1 wt% EPO blend showed enhancement in the tensile, flexural and impact properties. This is due to improved interaction in the blend producing good compatible morphologies, which can be revealed by Scanning Electron Microscopy (SEM) analysis. Therefore, PLA can be efficiently plasticized by EPO and the feasibility of its use as flexible film for food packaging should be considered.
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Cites
Polymer blends and composites from renewable resources
Yu, L., Dean, K., & Li, L. (2006) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2006.03.002 · Cited by 2,107
Preparation and Properties of Plasticized Poly(lactic acid) Films
Ljungberg, N., & Wesslén, B. (2005) · Biomacromolecules · doi:10.1021/bm050098f · Cited by 331
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Poly(lactic acid) blends in biomedical applications
Saini, P., Arora, M., & Kumar, M. N. V. R. (2016) · Advanced Drug Delivery Reviews · doi:10.1016/j.addr.2016.06.014 · Cited by 549
Narrowing the Gap for Bioplastic Use in Food Packaging: An Update
Zhao, X., Cornish, K., & Vodovotz, Y. (2020) · Environmental Science & Technology · doi:10.1021/acs.est.9b03755 · Cited by 423
Toughening of polylactic acid: an overview of research progress
Krishnan, S., Pandey, P., Mohanty, S., & Nayak, S. K. (2016) · Polymer-Plastics Technology and Engineering · doi:10.1080/03602559.2015.1098698 · Cited by 147
Poly(l-lactic acid) membranes: Absence of genotoxic hazard and potential for drug delivery
Uzun, N., Martins, T. D., Teixeira, G. M., Cunha, N. L., Oliveira, R. B., Nassar, E. J., & dos Santos, R. A. (2015) · Toxicology Letters · doi:10.1016/j.toxlet.2014.11.032 · Cited by 31
Metadata
- Authors
- Silverajah, V. S. G., Ibrahim, N. A., Zainuddin, N., Yunus, W. M. Z. W., & Hassan, H. A.
- Venue
- Molecules
- Publisher
- MDPI AG
- Published
- 2012-10-08
- Volume
- 17
- Issue
- 10
- Pages
- 11729-11747
- ISSN
- 1420-3049 (ISSN-L)
- OpenAlex
- W2049978403
- Cited by
- 214
- References
- 2
- FWCI
- 2.53
- Type
- journal article
- Language
- en
- Open access
- gold
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- CoChat. (2026). Citation check: Mechanical, Thermal and Morphological Properties of Poly(lactic acid)/Epoxidized Palm Olein Blend. https://app.cochat.ai/papers/10.3390/molecules171011729
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- Silverajah, V. S. G., Ibrahim, N. A., Zainuddin, N., Yunus, W. M. Z. W., & Hassan, H. A. (2012). Mechanical, Thermal and Morphological Properties of Poly(lactic acid)/Epoxidized Palm Olein Blend. Molecules. https://doi.org/10.3390/molecules171011729
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