article · Separations
Plant fibres are attracting widespread interest as sustainable raw materials due to their availability, light weight, and favourable specific properties. Pineapple leaf fibre stands out among natural options because of its high cellulose content, low cost, mechanical strength, and environmental benefits. This review assesses the extraction, surface treatment, characterisation, and chemical modification of pineapple leaf fibre for polymer composites. It details how natural cellulose, micro cellulose, nanocellulose, and lignin derived from this plant material can act as reinforcing agents to deliver targeted composite properties. The review also covers the biodegradation behaviour of natural fibres and lignocellulosic biopolymers in marine and soil settings, while evaluating potential industrial uses including energy generation, energy storage, energy conversion, and agricultural mulching films.
Pineapple leaf fibre offers a renewable, lightweight alternative to synthetic materials, helping reduce dependence on fossil-derived polymers. Because these plant-based biocomposites can break down in soil and marine environments, understanding their processing and mechanical capabilities enables the development of cleaner technologies that lower plastic pollution in vital sectors such as agriculture and energy production.
The review points to potential applications in agricultural mulching films and systems for energy generation, conversion, and storage. Target users would be composite fabricators, agricultural suppliers, and clean technology developers seeking sustainable inputs. Given that the abstract synthesises literature spanning extraction, surface treatment, and material properties, the commercial readiness appears to be at the applied research and laboratory testing stage rather than ready for immediate market deployment.
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Plant fibers’ wide availability and accessibility are the main causes of the growing interest in sustainable technologies. The two primary factors to consider while concentrating on composite materials are their low weight and highly specific features, as well as their environmental friendliness. Pineapple leaf fiber (PALF) stands out among natural fibers due to its rich cellulose content, cost-effectiveness, eco-friendliness, and good fiber strength. This review provides an intensive assessment of the surface treatment, extraction, characterization, modifications and progress, mechanical properties, and potential applications of PALF-based polymer composites. Classification of natural fibers, synthetic fibers, chemical composition, micro cellulose, nanocellulose, and cellulose-based polymer composite applications have been extensively reviewed and reported. Besides, the reviewed PALF can be extracted into natural fiber cellulose and lignin can be used as reinforcement for the development of polymer biocomposites with desirable properties. Furthermore, this review article is keen to study the biodegradation of natural fibers, lignocellulosic biopolymers, and biocomposites in soil and ocean environments. Through an evaluation of the existing literature, this review provides a detailed summary of PALF-based polymer composite material as suitable for various industrial applications, including energy generation, storage, conversion, and mulching films.
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DOI: 10.3390/separations11080245
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