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Natural Fiber‐Reinforced, Natural Resin‐Based Biocomposites: Fabrication, Properties, and Sustainable Applications
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This review systematically examines natural fiber-reinforced biocomposites made from plant fibers and biodegradable resins, linking fabrication methods to mechanical and environmental performance across automotive, construction, and packaging applications. These fully bio-based materials represent a direct solution to microplastic pollution by replacing persistent synthetic polymer composites with materials that degrade without leaving toxic plastic fragments.
Natural fiber‐reinforced, natural resin (NFR‐NR)–based biocomposites are a sustainable set of materials developed to offset the ecological and environmental consequences resulting from the use of man‐made composites. The biocomposites are reinforced with the vegetable fibers such as jute, flax, hemp, kenaf, and so on with biodegradable polymeric matrices such as polylactic acid (PLA), starch‐based plastics, soy protein resins, and lignin‐based thermosets. Due to their renewability, low density, biodegradability, and favorable mechanical properties, these materials are gaining significance for use in car parts, construction panels, packaging, and domestic goods. Distinct from the existing literature, the contribution of this review is that there is a systematic linking of processing techniques with properties in fully bio‐based materials in order to provide an application‐oriented overview. Environmental benefits, economic viability, and commercialization aspects are also addressed. Finally, key research gaps and directions for future development are presented to facilitate broader adoption of these green materials.
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This review examines the mechanical properties of polylactic acid (PLA)-based composites reinforced with natural fibers and fillers, presenting PLA as a biodegradable alternative to conventional plastics in applications ranging from agriculture to biomedical devices. Improving the strength and durability of bio-based plastics is essential for replacing petroleum-based materials that generate persistent microplastic pollution.
Sustainable Hybrid Kenaf/EFB Fibre Reinforced PLA Composites
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Researchers developed biocomposites by reinforcing PLA with hybrid kenaf and empty fruit bunch (EFB) natural fibers, using surface treatments to improve fiber-matrix adhesion and overcome the typically poor mechanical performance that limits natural fiber composites as sustainable substitutes for synthetic plastics.
Biodegradable Polymer-Based Natural Fiber Composites
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This review examined biodegradable polymer composites reinforced with natural fibers as alternatives to conventional plastics. Combining biodegradable matrices with plant fibers improved mechanical performance while maintaining degradability and reducing the risk of persistent microplastic contamination. These materials represent a promising direction for sustainable packaging and construction applications.
Sustainable Biodegradable Biocomposites Reinforced With Natural Fibers: A Review on Processing, Properties, and Degradation
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As concern grows about plastic waste and microplastic pollution from synthetic polymers, this review examines biodegradable biocomposites reinforced with natural plant fibers as a more sustainable alternative. The authors find that these materials can match or exceed the mechanical performance of conventional plastics while actually degrading in the environment — but note a critical gap: lab biodegradation tests often do not reflect real-world conditions, creating uncertainty about how quickly these materials actually break down. Better standardized testing and lifecycle analysis are needed to confirm whether natural fiber biocomposites can genuinely replace conventional plastics at industrial scale.
An overview of the effect of recycling processes on the mechanical and thermal properties of natural fiber composites
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This review of existing studies looked at plant-based materials (like flax and hemp fibers mixed with plastic) that can be recycled multiple times without losing much strength — some retained up to 85% of their durability after five uses. This matters because these natural-fiber composites offer a sturdier, more sustainable alternative to conventional plastics in everyday products like packaging and car interiors, potentially reducing our reliance on virgin plastics and the pollution they leave behind.
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