Sisal (Agave sisalana) fibre and its polymer-based composites: A review on current developments

Sahu, Parul; Gupta, Manju Lata

doi:10.1177/0731684417725584

Cited by 102 publications

(48 citation statements)

References 121 publications

(146 reference statements)

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“…Extraction assays have led to the obtaining of a 5.9 ± 1.4% of fibre (on the basis of dry leaves). Other authors have found a fibre content around 4% for sisal leaves [32,33].…”

Section: Plant Characterizationmentioning

confidence: 86%

“…Singha and collaborators [37] found an increase in mechanical properties, mainly in impact behaviour, for composites up to 30% of agave fibres, also using polystyrene as matrix; they have also demonstrated that the size of the is an important factor to take into account. Other authors, working with Agave tequilana fibres [33], also found that, for compression moulding and PP composites, 30% of fibre provides the best mechanical results. Cisneros-López and collaborators [41] found that rotationally moulded PLA composites with 10% of agave fibres (agave tequilana) does not change elastic modulus, while higher fibre ratios lead to the reduction of this property; on the other hand, compression moulded PLA allowed increasing the elastic modulus of net PLA by a 14% for 30% composites, while 40% fibre composites had an elastic modulus 13% lower.…”

Section: Composites Characterizationmentioning

confidence: 90%

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Characterization of Agave americana L. plant as potential source of fibres for composites obtaining

et al. 2019

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This paper summarises the results obtained from the characterization assays from century plant (Agave americana L.), determining the chemical composition of different parts of the plant. Fibres were obtained by means of a mechanical device, specifically designed and built for Agave americana leaves processing. Obtained fibres were subjected to thermogravimetric analysis and infrared spectra, and their chemical composition was also determined by quantitative acid hydrolysis. Once obtained, fibres were blended up to 40% (in weight) to obtain composites by compression moulding, using polyethylene as matrix; mechanical testing show improvements in elastic modulus for both tensile and flexural tests; increase in flexural maximum strength were also found for the composites, while tensile strength is slightly reduced with the introduction of agave fibres. The research is part of a project developed in the Macaronesian region, which aim is to demonstrate the feasibility of using biomass from invasive plant species in the composites sector as a way of financing control campaigns and habitats conservation labours, which is the main novelty of this research.

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“…Extraction assays have led to the obtaining of a 5.9 ± 1.4% of fibre (on the basis of dry leaves). Other authors have found a fibre content around 4% for sisal leaves [32,33].…”

Section: Plant Characterizationmentioning

confidence: 86%

Section: Composites Characterizationmentioning

confidence: 90%

Characterization of Agave americana L. plant as potential source of fibres for composites obtaining

et al. 2019

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“…The S+R and S+C composites presented a slightly lower endothermic peak value compared to non-hybrid S composites (approximately 136.5 and 137.8 compared to 140.5 • C). This can be explained by the fact that composites with higher natural fiber content shows a higher water absorption [5]. Furthermore, the exothermic peak found around 365 • C is attributed to the decomposition of cellulose/lignin and the matrix [47][48][49].…”

Section: Dscmentioning

confidence: 99%

“…One method to increase their performance is the hybridization. In this context, natural fiber-reinforced hybrid composites, which contain one or more types of fiber are gaining growing research interest [1][2][3][4][5][6]. Both natural and synthetic fibers can be used to produce hybrid composites [7].…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Thermal Characterization of Natural Intralaminar Hybrid Composites Based on Sisal

et al. 2020

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The main objective of this work was to investigate the effect of hybridization on the mechanical and thermal properties of intralaminar natural fiber-reinforced hybrid composites based on sisal. Ramie, sisal and curauá fibers were selected as natural fiber reinforcements for the epoxy matrix based composites, which were produced by the hand lay-up technique. Tensile, flexural and impact tests were carried out according to American society for testing and materials (ASTM) standards to characterize the hybrid composites, while differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) were used to evaluate the thermal properties. It was found that the mechanical properties are improved by hybridization of sisal based composites. The thermal analysis showed that the hybridization did not significantly affect the thermal stability of the composites. A scanning electron microscopy (SEM) was used to examine the fracture surface of the tested specimens. The SEM images showed a brittle fracture of the matrix and fiber breakage near the matrix.

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“…A esterificação por acetilação é uma técnica de substituição química eficaz que diminui a tendência hidrofílica das fibras naturais. (TSERKI V. et al, 2005;SAHU, P.;et al, 2017;SANTOS E. P. Dos. 2017;).…”

Section: Introductionunclassified

PROCESSO DE MODIFICAÇÃO DA FIBRA DE SISAL COM ÓXIDO DE ALUMÍNIO HIDRATADO (Al2O3.nH2O) UTILIZADA COMO REFORÇO EM COMPÓSITOS DE MATRIZ RESINA EPÓXI

Pinheiro¹,

Pellucci²,

Silva³

2018

Blucher Chemical Engineering Proceedings

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RESUMO -Dada a crescente preocupação ambiental com resíduos e ciclos de vida de produtos manufaturados, a utilização de materiais puramente sintéticos tanto em matrizes quanto em reforços vem sendo cada vez mais desestimulados no ambito dos compósitos. Amplamente utilizada como reforço de matrizes poliméricas por conta de suas propriedades excepcionais, a fibra de Sisal (Agave sisalana) é uma alternativa ecológica para substituir as cargas sintéticas. Contudo devido a sua natureza hidrofílica, é necessário se investigar alternativas que otimizam as propriedades da fibra de sisal quanto a capacidade de absorção de água, resistência mecânica e estabilidade térmica. Uma opção estudada atualmente são as modificações de superfície. Esse trabalho apresenta uma metodologia de acetilação parcial da fibra e da preparação do híbrido orgânico-inorgânico fibra de Sisal/Al2O3.nH2O. Caracterizou-se as fibras por meio de microscopia eletrônica de varredura (MEV) com espectrometria de energia dispersiva (EDS) acoplada e quanto a capacidade de absorção de água (ASTM D570). Como resultados destaca-se a identificação da acetilação através da técnica de espectrometria com transformada de Fourier FT-IR e a constatação, através da técnica de EDS, da incorporação do alumínio da estrutura lignocelulósica. Através do teste de absorção de água, observou-se uma diminuição na capacidade de absorção de água de 28% para o compósito reforçado com o hibrido em comparação com a fibra natural.

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Sisal (Agave sisalana) fibre and its polymer-based composites: A review on current developments

Cited by 102 publications

References 121 publications

Characterization of Agave americana L. plant as potential source of fibres for composites obtaining

Characterization of Agave americana L. plant as potential source of fibres for composites obtaining

Mechanical and Thermal Characterization of Natural Intralaminar Hybrid Composites Based on Sisal

PROCESSO DE MODIFICAÇÃO DA FIBRA DE SISAL COM ÓXIDO DE ALUMÍNIO HIDRATADO (Al2O3.nH2O) UTILIZADA COMO REFORÇO EM COMPÓSITOS DE MATRIZ RESINA EPÓXI

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