Natural Fiber Reinforced Composites in the Context of Biodegradability: A Review

Santhosh, S.; Hiremath, Somashekhar S.

doi:10.1016/b978-0-12-803581-8.11418-3

Cited by 25 publications

(4 citation statements)

References 48 publications

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“…The use of natural fiber‐reinforced polymer composites as a cost‐effective substitute for synthetic fiber‐reinforced composites has attracted considerable worldwide attention due to a growing emphasis on sustainability and environmental awareness in recent years. Natural fibers are frequently suggested as a feasible and environmentally friendly alternative because of their advantageous biodegradability, renewability, and cost‐effectiveness 4–6 . The development of rural economic expansion, particularly in the agricultural sector, can be achieved through the utilization of agricultural harvest waste.…”

Section: Introductionmentioning

confidence: 99%

Effect of alumina fillers on physical and mechanical properties of luffa/groundnut shell natural fiber reinforced polymer composites

Senthil Kumar,

Sivakumar,

Senthil

et al. 2024

Polymer Composites

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This study aims to investigate the physical and mechanical properties of epoxy composites reinforced with hybrid luffa waste and groundnut shell waste natural fibers and to evaluate the effect of different filler loadings of alumina on the mechanical behavior of the hybrid composites. The luffa fibers were made to undergo mercerization in 10% NaOH solution. All the treated fibers and the alumina fillers were characterized using X‐ray diffraction analysis (XRD). The study used three different filler loadings of alumina (Al2O3) (5%, 10%, and 15% by volume) and three different fractions of treated luffa‐waste groundnut shell hybrid fibers (10%, 30%, and 50% by volume). The composites were fabricated using the hand layup technique, and the prepared test specimens were subjected to mechanical and physical properties testing as per ASTM standards. The experimental findings indicated that the inclusion of Al2O3 filler improved the physical and mechanical characteristics of the natural fiber‐reinforced hybrid composites. The results showed that the composites with 30 vol. % fibers (1:1 luffa fiber: groundnut shell fiber) and 10 vol. % Al2O3 content showed enhanced tensile, flexural, shear, and impact strength and hardness. Besides, a good synergy between the alumina fillers, natural fibers, and the polymer matrix was observed in the surface morphology of the composite specimen. The developed composites can be used in low and medium‐load‐bearing structural and non‐structural applications.Highlights Development of hybrid polymer composites with luffa and novel groundnut shell fibers Hybridization of alumina ceramic particles with natural fiber hybrid composites Assessment of physical and mechanical properties of the polymer composites

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Section: Introductionmentioning

confidence: 99%

Effect of alumina fillers on physical and mechanical properties of luffa/groundnut shell natural fiber reinforced polymer composites

Senthil Kumar,

Sivakumar,

Senthil

et al. 2024

Polymer Composites

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“…The natural fiber-based composites have been used in automotive interior linings (roof, rear wall, side panel lining), furniture, construction, packaging, and shipping pallets, etc. (Oksman, 2001;Lau et al, 2018;Sood and Dwivedi, 2018; Santhosh Kumar and Hiremath, 2019). Natural fibers are extracted from different plants and animals (chicken feather, hair, etc.)…”

Section: Introductionmentioning

confidence: 99%

Natural Fibers as Sustainable and Renewable Resource for Development of Eco-Friendly Composites: A Comprehensive Review

2019

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The increase in awareness of the damage caused by synthetic materials on the environment has led to the development of eco-friendly materials. The researchers have shown a lot of interest in developing such materials which can replace the synthetic materials. As a result, there is an increase in demand for commercial use of the natural fiber-based composites in recent years for various industrial sectors. Natural fibers are sustainable materials which are easily available in nature and have advantages like low-cost, lightweight, renewability, biodegradability, and high specific properties. The sustainability of the natural fiber-based composite materials has led to upsurge its applications in various manufacturing sectors. In this paper, we have reviewed the different sources of natural fibers, their properties, modification of natural fibers, the effect of treatments on natural fibers, etc. We also summarize the major applications of natural fibers and their effective use as reinforcement for polymer composite materials.

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“…For these reasons, effective strategies are constantly emerging with the aim of replacing synthetic products with biosourced fibers and derivatives due to their attractive characteristics, including availability, biodegradability, low cost, minimal health risks to workers during manufacturing and transportation of final products to sites, reduced energy requirements, as well as competitive technical performance in terms of being lightweight and possessing high porosity and thermal and acoustical efficiency . As a result, biosourced fibers such as hemp, jute, sisal, cork, kenaf, and flax are increasingly used in various applications including packaging materials, biomedical composites, automotive nonwovens and textiles (roof, rear wall, side panel lining), thermal and acoustic insulation of buildings, etc . Consequently, characterization remains the key parameter to establish the necessary data for the optimal use of available natural fibers.…”

Section: Introductionmentioning

confidence: 99%

“… 6 As a result, biosourced fibers such as hemp, jute, sisal, cork, kenaf, and flax are increasingly used in various applications including packaging materials, biomedical composites, automotive nonwovens and textiles (roof, rear wall, side panel lining), thermal and acoustic insulation of buildings, etc. 7 Consequently, characterization remains the key parameter to establish the necessary data for the optimal use of available natural fibers. Fibrous waste derived from marine algae waste such as Posidonia oceanica seagrass is a source of fibers that has not yet been fully exploited.…”

Section: Introductionmentioning

confidence: 99%

Influence of Anatomy, Microstructure, and Composition of Natural Fibers on the Performance of Thermal Insulation Panels

Ayadi,

Segovia,

Baffoun

et al. 2023

ACS Omega

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The growing interest in environmentally friendly materials is leading to a re-evaluation of natural fibers for industrial applications in order to meet sustainability and low-cost objectives, especially for thermal insulation of buildings. This paper deals with the chemical and physical characterization of fibers extracted from seagrass ( Posidonia oceanica ) and alfa grass ( Stipa tenacissima ) for a possible substitution of synthetic materials for thermal insulation. Hemp ( Cannabis sativa ), a fiber broadly used, was also studied for comparison. The parameters characterized include porosity, thermal degradation, elemental composition, skeletal and particle density of the fibers as well as investigation of the thermal conductivity of fiber-based panels. Several technologies were involved in investigating these parameters, including mercury intrusion, thermogravimetric analysis, fluorescence spectroscopy, and fluid pycnometry. The fibers showed a degradation temperature between 316 and 340 °C for Posidonia , between 292 and 326 °C for alfa, and between 300 and 336 °C for hemp fibers. A high porosity allied with a reduced pore size was revealed for Posidonia (77%, 0.54 μm) compared to hemp (75%, 0.61 μm) and alfa (57%, 2.1 μm) raw fibers, leading to lower thermal conductivity values for the nonwoven panels based on Posidonia (0.0356–0.0392 W/m.K) compared to alfa (0.0365–0.0397 W/m.K) and hemp (0.0387–0.0427 W/m.K). Bulk density, operating temperature, and humidity conditions have been shown to be determining factors for the thermal performance of the panels.

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Natural Fiber Reinforced Composites in the Context of Biodegradability: A Review

Cited by 25 publications

References 48 publications

Effect of alumina fillers on physical and mechanical properties of luffa/groundnut shell natural fiber reinforced polymer composites

Effect of alumina fillers on physical and mechanical properties of luffa/groundnut shell natural fiber reinforced polymer composites

Natural Fibers as Sustainable and Renewable Resource for Development of Eco-Friendly Composites: A Comprehensive Review

Influence of Anatomy, Microstructure, and Composition of Natural Fibers on the Performance of Thermal Insulation Panels

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