Influence of cellulose fibers extracted from pineapple (Ananas comosus) leaf to the mechanical properties of rigid polyurethane foam
Abstract
Abstract The influence of cellulose fibers extracted from pineapple (Ananas comosus) leaf fibers on polyurethane foam’s mechanical properties (PUF) is reported. The PUFs were reinforced with different weight ratios (1, 3, and 5 wt%) of cellulose fibers. The surface morphology of the extracted cellulose fibers was determined using a scanning electron microscope (SEM). The functional groups and vibrational modes of the reinforced PUFs were measured using Fourier transform infrared spectroscopy (FTIR). The influence of cellulose fibers to the density and mechanical property of the PUFs were also investigated using universal testing Machine (UTM). Experimental results showed the absence of hemicellulose, lignin, and other soluble materials present in the pineapple leaves after alkaline treatment, suggesting high-quality cellulose fibers. Likewise, FTIR spectra revealed the presence of typical urethane linkages of PUFs suggesting the successful formation of PUFs with a varied amount of cellulose fibers. The mechanical properties of the PUFs with an increasing amount of cellulose fibers exhibit a decrease of the compressive strength of the fabricated PUFs may be due to the lack of cross-linking between the cellulose fibers and PUFs that will influence the reactivity in the system that eventually affects the polyurethane foam density expansion.
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For pineapple leaves-based cellulose fibres, chemical treatment did not enhance mechanical performance and reduced the cross-link ability between the filler and polymer matrix.
“It was observed that the chemical treatment did not enhance the mechanical performance and on the contrary, it reduced the cross-link ability between the filler and polymer matrix.”
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- Authors
- Jabber, L. J. Y., Grumo, J. C., Alguno, A. C., Lubguban, A. A., & Capangpangan, R. Y.
- Affiliations
- Mindanao State University – Iligan Institute of Technology (PH)
- Caraga State University (PH)
- Corresponding author
- Jabber, Lady Jaharah Y.
- Venue
- Materials Today: Proceedings
- Publisher
- Elsevier BV
- Published
- 2021
- Volume
- 46
- Pages
- 1735-1739
- ISSN
- 2214-7853 (ISSN-L)
- OpenAlex
- W3082439459
- Semantic Scholar
- 410ef9c351453e72cff9707999ec35c4347fec6c
- Cited by
- 21
- References
- 7
- Citations by year
- 2025: 2 · 2024: 4 · 2023: 4 · 2022: 8 · 2021: 2 · 2020: 1
- FWCI
- 1.42
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Materials Today Proceedings (publishedVersion)
- Funders
- Department of Science and Technology, Republic of the Philippines
- Topics
- Physical Sciences › Materials Science › Polymers and Plastics › Natural Fiber Reinforced Composites
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer Foaming and Composites
- Physical Sciences › Materials Science › Biomaterials › Advanced Cellulose Research Studies
- Keywords
- pineapple, rigid polyurethane foam, natural fiber reinforcement, mechanical properties, compressive strength, alkaline extraction, fiber surface morphology, urethane linkage, foam density, crosslinking
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