From lignocellulose to biocomposite: Multi-level modelling and experimental investigation of the thermal properties of kenaf fiber reinforced composites based on constituent materials

Guillou, Julien; Lavadiya, Dayakar Naik; Munro, Troy; Fronk, Thomas H.; Ban, Heng

doi:10.1016/j.applthermaleng.2017.09.095

Cited by 35 publications

(12 citation statements)

References 49 publications

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“…In order to achieve the desired properties of the current applications, the evolution of composites with various natural fibres as reinforcement and fillers do meet the requirements. Various studies have reported a better result on the hybridization of natural fibres along with synthetic fibres reinforced with thermosetting polymers [1][2][3]. Woven fibres with particulates improve the properties of the composites.…”

Section: Introductionmentioning

confidence: 99%

“…Researchers are attracted to the fibres acquired from nature to utilize in polymer composites due to their eco-friendly nature and sustainability [1]. The lignin, hemicellulose, cellulose-based composites are suitable for the electrical, mechanical, thermal and biodegradation applications [1,3]. The elastic modulus of fibres and the interface properties of the matrix have a large effect on the stress and strain to failure initiation [2].…”

Section: Introductionmentioning

confidence: 99%

“…The elastic modulus of fibres and the interface properties of the matrix have a large effect on the stress and strain to failure initiation [2]. The thermal property of individual low conductivity kenaf fibres proves that a reduction in 16% of the effective thermal conductivity of the composite [3]. The addition of kenaf fibres reduces the degree of crystallinity of the recycled polypropylene/polyethylene sourced from rejected-unused diapers whose plastic and absorbent gel were separated [4].…”

Section: Introductionmentioning

confidence: 99%

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Study of Hexagonal Boron Nitride Particulate as Vibration Behaviour Modifier of Alternate Stacked Glass–Natural Fibre Polymer Composite Laminate

Rajkumar

Selvaraj

2020

Lecture Notes in Mechanical Engineering

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The vibration behaviour of polymers can be modified by the particulates and natural fibres which are interesting study to the design engineers. A study has been carried out to investigate the tensile, flexural and vibrational behaviour of vinyl ester composites reinforcing with woven kenaf and glass fibres. Vibration behaviour of composite was further enhanced by the addition of hexagonal boron nitride (2&4% hBN) particles. The fibres were chemically treated to improve its adhesion to matrix. The tensile strength of fabricated composites was marginally reduced with increase in hBN particles. The vibration behaviours of composite were studied by electro-dynamic shaker. The experimental results were clearly showed that natural frequency of composite decreases with increasing particulate content. The hBN particles inclusion in the treated kenaf laminate has increased damping ratio by dissipating by more local vibration energy. This is due to combined effect of chemical treatment of fibre and local relaxing behaviour of secondary hBN particles. The two fold increase in damping ratio obtained by adding four times of hBN particle. Dynamic mechanical tests proved that hBN, a secondary particle, is improving vibration damping characteristics. Hence, it potentially benefits the composite as an engineered material.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Study of Hexagonal Boron Nitride Particulate as Vibration Behaviour Modifier of Alternate Stacked Glass–Natural Fibre Polymer Composite Laminate

Rajkumar

Selvaraj

2020

Lecture Notes in Mechanical Engineering

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“…In recent years, many solvent systems have been developed to negate the dissolution recalcitrance of cellulose to prepare regenerated films [4]. Generally, the solvent systems can be divided into derivatizing and non-derivatizing ones [6]. Non-derivatizing solvent systems have been extensively studied for dissolving and regenerating cellulose, as well as developing advanced and homogeneous cellulose derivatives [6].…”

Section: Introductionmentioning

confidence: 99%

“…Generally, the solvent systems can be divided into derivatizing and non-derivatizing ones [6]. Non-derivatizing solvent systems have been extensively studied for dissolving and regenerating cellulose, as well as developing advanced and homogeneous cellulose derivatives [6]. A well-known cellulose non-derivatizing solvent system is N,N -dimethylacetamide (DMAc) or its cyclic form, 1-methyl-2-pyrrolidinone (NMP) with lithium chloride (LiCl) [7,8].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Regenerated Cellulose Film from a Solution in Lithium Bromide Molten Salt Hydrate

et al. 2018

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Abstract:In this study, the molten salt hydrate of lithium bromide (LiBr) was utilized as a non-derivatizing cellulose dissolution solvent to prepare regenerated cellulose films for kraft pulp. The effects of LiBr concentrations (60, 62, and 65 wt %) and dissolving time (from 5 to 40 min with the interval of 5 min) on the structures and the properties of the films were investigated. Fourier transform infrared (FT-IR) and cross-polarization magic-angle spinning carbon-13 nuclear magnetic resonance (CP/MAS 13 C NMR) characterizations verified the breakage of inter-and intra-cellulose hydrogen bonds during the regeneration, resulting in the disruption of the crystalline structure of cellulose. X-ray diffraction (XRD) data indicated that the regeneration converted the polymorphism of cellulose from I to II as well as decreased its crystallinity. Ultraviolet-visible spectra (UV-Vis) and scanning electron microscopy (SEM) analyses revealed the excellent optical transparency of the films to visible light due to the complete dissolution of cellulose fibers as well as the sufficient breaking of the interand intra-cellulose hydrogen bonds. In terms of tensile testing, tuning LiBr concentrations and dissolving time could increase the elongation at break and tensile strength of the films. The maximum elongation at break of 26% and tensile strength of 67 MPa were achieved when the films prepared in 65 wt % LiBr for 10 and 15 min, respectively. These results indicated the great potential of the cellulose films for packaging use.

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Micromechanics of Thermal Conductive Composites: Review, Developments and Applications

Wang,

Huang,

Gao

et al. 2024

Acta Mech. Solida Sin.

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From lignocellulose to biocomposite: Multi-level modelling and experimental investigation of the thermal properties of kenaf fiber reinforced composites based on constituent materials

Cited by 35 publications

References 49 publications

Study of Hexagonal Boron Nitride Particulate as Vibration Behaviour Modifier of Alternate Stacked Glass–Natural Fibre Polymer Composite Laminate

Study of Hexagonal Boron Nitride Particulate as Vibration Behaviour Modifier of Alternate Stacked Glass–Natural Fibre Polymer Composite Laminate

Preparation and Characterization of Regenerated Cellulose Film from a Solution in Lithium Bromide Molten Salt Hydrate

Micromechanics of Thermal Conductive Composites: Review, Developments and Applications

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