Abstract
Global manufacturing of high-performance manufactured products made from natural resources is increasing as a result of renewable and environmental concerns. This study investigated the mechanical and morphological properties of PLA and kenaf short fiber (3–4 mm). The kenaf fibers were treated with different chemical concentrations (10% and 20%) before being used to make composites with an injection molding machine. SEM analysis was performed on the treated and mechanically tested bio-composites. Mechanical analysis of the generated composites was performed utilizing tensile, flexural, and impact tests to investigate the influence of treatment on interfacial adhesion. Fibers treated with a 20% concentration of sodium acetate provided the most desirable tensile and flexural characteristics in the composites. Apart from impact strength, chemical treatment has a significant impact on the properties of green composites. X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy were used to examine the crystallinity and infrared spectra of bio-composites. The chemical treatment of natural fiber with sodium acetate is an environmentally friendly approach for producing long-lasting PLA-based bio-composites.
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It is purely an experimental research work; all data acquired during experiments and analyses are included in this paper.
Abbreviations
- PLA:
-
polylactic acid
- KF:
-
kenaf fiber
- PLA:
-
poly-lactic acid
- UTM:
-
universal testing machine
- SEM:
-
scanning electron microscopy
- ROKFRC:
-
randomly oriented kenaf fiber-reinforced composites
- XRD:
-
X-ray diffraction
- FTIR:
-
Fourier transformation infrared
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The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University (KKU) for funding this research through the Research Group Program Under the Grant Number:(R.G.P.2/515/44).
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SK: conceptualization, methodology, formal analysis and investigation, visualization, and writing—original draft preparation; RD: conceptualization, investigation, and writing—review and editing; AM: investigation and writing—review and editing; SS: conceptualization, methodology, formal analysis and investigation, visualization, writing—original draft preparation, writing—review and editing, supervision, project administration, validation; SPD: formal analysis, writing—review and editing, supervision, project administration, validation; AK: formal analysis, writing—review and editing, supervision, project administration, validation; CL: formal analysis, writing—review and editing, supervision, project administration, validation; MA: formal analysis, writing—review and editing, supervision, project administration, validation.
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Kumar, S., Dang, R., Manna, A. et al. Effect of chemically treated kenaf fiber on the mechanical, morphological, and microstructural characteristics of PLA-based sustainable bio-composites fabricated via direct injection molding route. Biomass Conv. Bioref. (2023). https://doi.org/10.1007/s13399-023-04916-0
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DOI: https://doi.org/10.1007/s13399-023-04916-0