Comparison of different natural fiber treatments: a literature review

Koohestani, Babak; Darban, Ahmad Khodadadi; Mokhtari, Pozhhan; Yılmaz, Erol; Darezereshki, Esmaeel

doi:10.1007/s13762-018-1890-9

Cited by 166 publications

(69 citation statements)

References 99 publications

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“…On the other hand, geopolymers reinforced with alkaline treated jute fibers exhibited enhanced mechanical properties. In general terms, chemical treatments could play a major role in the interfacial properties of the fiber-reinforced composites wherein coupling agents as silanes have been found to increase the interfacial properties due to the cross-links between silanes, treated fibers and matrix that improve the tensile and flexural strength of the final composite [ 142 , 148 ]. On the other hand, thermal treatment on plant fibers affects their physical, chemical and mechanical properties, including water content, chemistry, and cellulose crystallinity, resulting in enhanced mechanical properties of the modified fiber [ 149 , 150 ].…”

Section: Pre-treatments Of Natural Fibers Used As Reinforcement Inmentioning

confidence: 99%

A Review on Natural Fiber-Reinforced Geopolymer and Cement-Based Composites

et al. 2020

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The use of ecological materials for building and industrial applications contributes to minimizing the environmental impact of new technologies. In this context, the cement and geopolymer sectors are considering natural fibers as sustainable reinforcement for developing composites. Natural fibers are renewable, biodegradable, and non-toxic, and they exhibit attractive mechanical properties in comparison with their synthetic fiber counterparts. However, their hydrophilic character makes them vulnerable to high volumes of moisture absorption, thus conferring poor wetting with the matrix and weakening the fiber–matrix interface. Therefore, modification and functionalization strategies for natural fibers to tailor interface properties and to improve the durability and mechanical behavior of cement and geopolymer-based composites become highly important. This paper presents a review of the physical, chemical and biological pre-treatments that have been performed on natural fibers, their results and effects on the fiber–matrix interface of cement and geopolymer composites. In addition, the degradation mechanisms of natural fibers used in such composites are discussed. This review finalizes with concluding remarks and recommendations to be addressed through further in-depth studies in the field.

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Section: Pre-treatments Of Natural Fibers Used As Reinforcement Inmentioning

confidence: 99%

A Review on Natural Fiber-Reinforced Geopolymer and Cement-Based Composites

et al. 2020

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“…The main limitation of natural fiber is its poor mechanical strength, poor dimension stability, high moisture absorption, high swelling, incompatibility with the hydrophobic polymer matrix, and low thermal resistance [34][35][36][37][38]. These limitations can be overcome by various chemical and physical treatments [39][40][41][42]. Alkaline treatment or mercerization is the simplest and cheapest method to modify natural fibers.…”

Section: Chemical Treatment Methodsmentioning

confidence: 99%

A review on the extraction of pineapple, sisal and abaca fibers and their use as reinforcement in polymer matrix

Radoor¹,

Karayil²,

Rangappa³

et al. 2020

Express Polym. Lett.

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In recent years, researchers across the globe have switched from synthetic fibers to natural fibers for the fabrication of composites. The desirable properties of natural fibers which attracted researchers, as well as academicians, are its low density, easy availability, environmentally friendly nature, biodegradability, and high specific strength. Hence in the last decade, there is tremendous progress in the development of natural fiber-reinforced composites for various industrial applications. The current review focused on the recent progress in natural fiber-reinforced polymer composite. The natural fibers discussed in this review are derived from leaves, namely pineapple, sisal, and abaca. The extraction and processing of these fibers are briefly outlined. The properties and application of natural fiber-reinforced composites are also addressed in this review. One of the drawbacks of natural fiber is its poor compatibility with the polymer matrix. The different treatment methods to improve the fiber-matrix interaction are also summarized in the present review.

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“…The physical modification of a cellulosic natural fibre refers to the changing of the surface properties such as surface energy, polarity, surface area, cleanliness and wettability. Corona treatment [160,[221][222][223], plasma treatment [224][225][226], ultraviolet (UV) treatment [227][228][229][230], fibre beating [231][232][233] and heat treatment [234] are some of the remarkable techniques for physical modifications of fibre without hampering the chemical structure of fibres [235][236][237]. In the case of the corona, for plasma and UV treatment, fibre surface energy is changed using a high voltage at low temperature and atmospheric pressure [160].…”

Section: Challenges Associated With the Biocomposites And Probable Fimentioning

confidence: 99%

Plant-Based Natural Fibre Reinforced Composites: A Review on Fabrication, Properties and Applications

et al. 2020

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The increasing global environmental concerns and awareness of renewable green resources is continuously expanding the demand for eco-friendly, sustainable and biodegradable natural fibre reinforced composites (NFRCs). Natural fibres already occupy an important place in the composite industry due to their excellent physicochemical and mechanical properties. Natural fibres are biodegradable, biocompatible, eco-friendly and created from renewable resources. Therefore, they are extensively used in place of expensive and non-renewable synthetic fibres, such as glass fibre, carbon fibre and aramid fibre, in many applications. Additionally, the NFRCs are used in automobile, aerospace, personal protective clothing, sports and medical industries as alternatives to the petroleum-based materials. To that end, in the last few decades numerous studies have been carried out on the natural fibre reinforced composites to address the problems associated with the reinforcement fibres, polymer matrix materials and composite fabrication techniques in particular. There are still some drawbacks to the natural fibre reinforced composites (NFRCs)—for example, poor interfacial adhesion between the fibre and the polymer matrix, and poor mechanical properties of the NFRCs due to the hydrophilic nature of the natural fibres. An up-to-date holistic review facilitates a clear understanding of the behaviour of the composites along with the constituent materials. This article intends to review the research carried out on the natural fibre reinforced composites over the last few decades. Furthermore, up-to-date encyclopaedic information about the properties of the NFRCs, major challenges and potential measures to overcome those challenges along with their prospective applications have been exclusively illustrated in this review work. Natural fibres are created from plant, animal and mineral-based sources. The plant-based cellulosic natural fibres are more economical than those of the animal-based fibres. Besides, these pose no health issues, unlike mineral-based fibres. Hence, in this review, the NFRCs fabricated with the plant-based cellulosic fibres are the main focus.

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Comparison of different natural fiber treatments: a literature review

Cited by 166 publications

References 99 publications

A Review on Natural Fiber-Reinforced Geopolymer and Cement-Based Composites

A Review on Natural Fiber-Reinforced Geopolymer and Cement-Based Composites

A review on the extraction of pineapple, sisal and abaca fibers and their use as reinforcement in polymer matrix

Plant-Based Natural Fibre Reinforced Composites: A Review on Fabrication, Properties and Applications

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