UPM Institutional Repository

Physico-mechanical properties of poly(lactic acid) biocomposites reinforced with cow dung


Citation

Yusefi, Mostafa and Khalid, Mohammad and Md Yasin, Faizah and Ketabchi, Mohammad Reza and Hajalilou, Abdollah and Abdullah, Luqman Chuah (2017) Physico-mechanical properties of poly(lactic acid) biocomposites reinforced with cow dung. Materials Research Express, 4 (2). ISSN 2053-1591

Abstract

The aim of this work is to investigate the reinforcing effects of cow dung (CD) on poly(lactic acid) (PLA) properties. The PLA/CD biocomposite blends with different CD ratios (0–50 wt.%) were prepared using an internal Brabender mixer followed by compression molding. The results showed an enhancement in flexural properties and an acceptable drop in tensile and impact strength with increasing CD loading. Incorporation of CD also led to an overall decline in thermal stability of the biocomposites. However, an improvement in dynamic mechanical properties of the biocomposites was recorded. For PLA based biocomposites, above Tg (60–65 °C), a difference in the dynamic modulus becomes more pronounced as the polymer shifts from glassy to rubbery state. SEM micrographs displayed an increase in the voids and surface roughness of biocomposites with increasing CD content. It was demonstrated that high strength, high modulus PLA/CD biocomposites can be fabricated with effective stress transfer even at 50 wt.% CD loading.


Download File

[img] Text
Physico-mechanical.pdf

Download (58kB)

Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1088/2053-1591/aa5cdb
Publisher: Institute of Physics Publishing
Keywords: Cow dung; Poly(lactic acid); Biocomposite; Mechanical properties; Thermal degradation; Water absorption
Depositing User: Mas Norain Hashim
Date Deposited: 07 Nov 2022 07:20
Last Modified: 07 Nov 2022 07:20
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1088/2053-1591/aa5cdb
URI: http://psasir.upm.edu.my/id/eprint/62758
Statistic Details: View Download Statistic

Actions (login required)

View Item View Item