Enzymatic treatment of natural fibres

Konczewicz, W.; Kozłowski, Ryszard

doi:10.1533/9780857095510.1.168

Cited by 13 publications

(9 citation statements)

References 23 publications

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“…The main role of the enzymes on natural fiber modification is to separate the fiber from its non-fiber components while improving the cleanliness, homogeneity, surface area and water resistance [ 108 ]. The most common enzymes applied on fibers in the composites industry are cellulases, pectinases, laccases, and xylanases [ 109 ]. Cellulases are hydrolytic enzymes that catalyze the breakdown of cellulose to smaller oligosaccharides and finally glucose.…”

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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“…An example of such methods is extraction of fibre by using the natural physical laws: water diffusion, osmosis and osmotic pressure [4][5][6][7][15][16][17][18][19]. All fibrous plants, especially flax and hemp, can undergo degumming process, where multiple water change or continuous water flow is used.…”

Section: Fibre Extraction Methodsmentioning

confidence: 99%

Osmosis Phenomena Based Degumming of Bast Fibrous Plants as a Promising Method in Primary Processing

Konczewicz

Natalia

Nowaczkiewicz

et al. 2013

Molecular Crystals and Liquid Crystals

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“…When compared with other forms of treatment, enzymatic treatment is seen to be safer on the environment. 52 Being biological, enzymes tend to be less harsh on the fibres and hence, they do not compromise on the mechanical properties of the developed composites. The downside, however, is that enzymatic treatments are costlier in comparison with the traditional treatment methodologies.…”

Section: Characterisationmentioning

confidence: 99%

Natural fibre composites – an alternative to plastics in the automotive industry: A review

Thamba

Shyam

Kaul

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part L:

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Natural fibre composites are ideal material substitutes for combating the issues of pollution and non-biodegradability. Several industries, the automobile industry, in particular, have shown tremendous inclination towards the usage of natural fibre composites in their deliverables. Besides providing a wide array of useful properties, natural fibre composites have offered flexibility in terms of choosing various combinations of fibres and resins. Owing to this, this paper aims to collect data and categorize the natural fibre composites based on the types of treatments and properties they exhibit. Characterization was done by taking into consideration chemical and enzymatic treatments as well as tests such as the tensile, flexural, compressive, impact, shear and hardness. Based on the values obtained from the characterization, the paper suggests suitable and feasible natural fibre composites as biocompatible replacements to conventionally used materials in the automotive industry.

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Enzymatic treatment of natural fibres

Cited by 13 publications

References 23 publications

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

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

Osmosis Phenomena Based Degumming of Bast Fibrous Plants as a Promising Method in Primary Processing

Natural fibre composites – an alternative to plastics in the automotive industry: A review

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