Effect of Embedment of MWCNTs for Enhancement of Physical and Mechanical Performance of Medium Density Fiberboard

Gul, Waheed; Alrobei, Hussein; Shah, Syed Riaz Akbar; Khan, Afzal; Hussain, Abid; Asiri, Abdullah M.; Kim, Jaehwan

doi:10.3390/nano11010029

Cited by 10 publications

(6 citation statements)

References 22 publications

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“…The difference in the self-bonding ability between PF resin-filled OPB nanoparticles and veneer might be caused by the interaction and chemical structure components' difference in IB performance. The high degree improvement was also found by [59]-the nanoparticle compounds can deeply penetrate the wood and effectively alter its surface chemistry, resulting in better performance in physical and mechanical strength. Thus, this result suggested that OPB nanoparticles would play an effective role as an enhancer in plywood composites properties.…”

Section: Measurement Of Density Profile and Internal Bonding Strengthmentioning

confidence: 96%

Properties and Interfacial Bonding Enhancement of Oil Palm Bio-Ash Nanoparticles Biocomposites

et al. 2021

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The effect of incorporating different loadings of oil palm bio-ash nanoparticles from agriculture waste on the properties of phenol-formaldehyde resin was investigated in this study. The bio-ash filler was used to enhance the performance of phenol-formaldehyde nanocomposites. Phenol-formaldehyde resin filled with oil palm bio-ash nanoparticles was prepared via the in-situ polymerization process to produce nanocomposites. The transmission electron microscope and particle size analyzer result revealed that oil palm bio-ash nanoparticles had a spherical geometry of 90 nm. Furthermore, X-ray diffraction results confirmed the formation of crystalline structure in oil palm bio-ash nanoparticles and phenol-formaldehyde nanocomposites. The thermogravimetric analysis indicated that the presence of oil palm bio-ash nanoparticles enhanced the thermal stability of the nanocomposites. The presence of oil palm bio-ash nanoparticles with 1% loading in phenol-formaldehyde resin enhanced the internal bonding strength of plywood composites. The scanning electron microscope image revealed that phenol-formaldehyde nanocomposites morphology had better uniform distribution and dispersion with 1% oil palm bio-ash nanoparticle loading than other phenol-formaldehyde nanocomposites produced. The nanocomposite has potential use in the development of particle and panel board for industrial applications.

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Section: Measurement Of Density Profile and Internal Bonding Strengthmentioning

confidence: 96%

Properties and Interfacial Bonding Enhancement of Oil Palm Bio-Ash Nanoparticles Biocomposites

et al. 2021

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“…The fiberboards contain unique and advantageous properties compared to solid wood products, as they have better dimensional stability, good machinability, and resistance to temperature changes, besides being versatile and without cracks [4]. On the other hand, as a material from wood, it presents dimensional changes when subjected to environments with variations in humidity [5]. Dimensional instability is a response to both loss and water absorption, one of the main disadvantages that limit wood for use as a construction material [6].…”

Section: Introductionmentioning

confidence: 99%

Improvement of the properties of hardboard with heat treatment application

et al. 2023

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The attempt to face the limitations of wood-based materials, especially concerning the relationship with water, is still a considerable gap in research on this subject. The present work proposes the accomplishment of thermal treatment in fiberboard-type hardboard, using different temperatures and times, to evaluate the effect on the physical-mechanical properties. The parameters of the heat treatment were temperatures of 120 and 160 °C and times of 20 and 40 min. The hardboards were individually heat treated in a kiln. The characterization was performed from physical tests such as bulk density, moisture content, water absorption (2 and 24 h), thickness swelling (2 and 24 h); and mechanical properties of flexural strength. The treatment with a temperature of 160 °C for 40 min showed the lowest values of water absorption in 24 h (34%). Thickness swelling was lower compared to control, for all the treatments applied. Regarding flexural strength, the treatment that adopted the 160 °C for 20 min showed the highest MOR value (26.3 MPa). In general, the performance of heat treatments positively influenced the physical and mechanical properties of the hardboards, being an interesting alternative in the development of products for applications in internal environments.

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“…In order to improve the thermal, physical, and mechanical properties of the fibreboards, various additives are often used (CuO, ZnO, Al 2 O 3 , nanoparticles, multi carbon nanotubes, and others). The improved properties are the result of the final composite becoming stronger due to the covering of unwanted cracks and voids by the used additive [10,[13][14][15][16][17]. For instance, Alabduljabbar et al [10] reported that when the concentration of alumina nanoparticles increased, the mechanical properties of the panels were significantly positively affected.…”

Section: Introductionmentioning

confidence: 99%

Preparation, Characterization, and Antibacterial Properties of Cu-Fibreboards

Aleksandrov,

Rangelova,

Lazarova-Zdravkova

et al. 2023

Materials

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In the present study, copper modified fibreboards were prepared and their existing phase, morphology, and antibacterial behaviour were investigated. The copper content and the physical and mechanical properties of fibreboards (thickness, bending strength, and swelling) were determined. X-ray diffraction analysis (XRD) showing diffraction peaks typical for cellulose, Cu2S, and Na2SO4, depended on the preparation conditions. The average size of the Cu2S crystals varied between 20 and 50 nm. The morphology of the obtained fibreboards, as well as the size and shape of copper particles, were observed by scanning electron microscopy (SEM) and transition electron microscopy (TEM). The antibacterial activity was tested against Gram-positive (Bacillus subtilis 3562) and Gram-negative (Escherichia coli K12 407) bacteria. The tests showed that the materials had higher antibacterial activity against E. coli, which depended on their preparation conditions. Based on these results, the obtained copper fibreboards can be used as antibacterial agents in the packaging and building industry.

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Effect of Embedment of MWCNTs for Enhancement of Physical and Mechanical Performance of Medium Density Fiberboard

Cited by 10 publications

References 22 publications

Properties and Interfacial Bonding Enhancement of Oil Palm Bio-Ash Nanoparticles Biocomposites

Properties and Interfacial Bonding Enhancement of Oil Palm Bio-Ash Nanoparticles Biocomposites

Improvement of the properties of hardboard with heat treatment application

Preparation, Characterization, and Antibacterial Properties of Cu-Fibreboards

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