Utilizing Miscanthus stalks as raw material for particleboards

Klímek, Petr; Wimmer, Rupert; Meinlschmidt, Peter; Kúdela, Jozef

doi:10.1016/j.indcrop.2017.10.032

Cited by 64 publications

(46 citation statements)

References 40 publications

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“…Miscanthus may be employed as a wood substitute if a sufficient amount of appropriate adhesive binder is used [34,84,85,89]. However, the binder systems were found to be limited by the chemical environment, in terms of an increased pH and pH buffering capacity excluding urea formaldehyde and phenol formaldehyde binder systems [84], as well as a limited surface adhesion on the stalks [54].…”

Section: Miscanthus In Conventional Particle Boardsmentioning

confidence: 99%

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Increase of Miscanthus Cultivation with New Roles in Materials Production—A Review

et al. 2020

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Recent changes in the EU green aims can help to overcome economic obstacles in the slow upscaling of Miscanthus cultivation. Using Miscanthus can permanently fix CO 2 within building materials thereby aiding the EU climate goals with the increased use of regrowing materials, as well as carbon fixation. Economic obstacles in the slow upscaling of Miscanthus cultivation are targeted by recent changes in the greening aims in the EU. Miscanthus can fulfill a valuable dual function in aiding the EU climate goals by achieving permanent CO 2 fixation within building materials. In contrast to energetic use, persistent applications create stable markets allowing for a reduced risk in the establishment of long term cultured perennial crops. However, the development of different building materials requires an understanding of the combination of the biological and technical aspects. This work presents an overview of the development of the general aspects for the agricultural product Miscanthus and the scientifically reported developments of Miscanthus used as feedstock in polymers, particle boards, and cementitious materials. While the product performance can be evaluated, the understanding of the influence by the input biomass as a main contributor to the product performance needs to be reinforced to be successful with a goal-oriented development of Miscanthus based products. The key feedstock parameters governing the technical performance of the materials are identified and the knowledge gaps are described.

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Section: Miscanthus In Conventional Particle Boardsmentioning

confidence: 99%

“…The special structure of the Miscanthus parenchyma limits the internal bond strength (IB) as the weak link in the superstructure, even though other mechanical parameters indicate the general application of wood substituted boards under dry conditions [89].…”

Section: Miscanthus In Conventional Particle Boardsmentioning

confidence: 99%

Increase of Miscanthus Cultivation with New Roles in Materials Production—A Review

et al. 2020

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“…The main raw material used in manufacturing particleboards in the past 80 years was wood, but the demand results in a lack of supply in the market (Klímek et al, 2018). Therefore, it is necessary to look for alternative sources of materials which avoid pressure on natural ecosystems and open new challenges for technology development and product innovation (Barbirato et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Properties of particleboards manufactured from bamboo (Dendrocalamus asper)

Brito

Júnior

2020

Agraria

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Bamboo is a source of industrial raw material with wide geographical distribution. Brazil has good soil and climate conditions for its cultivation, in addition to existing reserves. Advantages of bamboo include: versatility, fast growth and good strength properties. One way of using this material would be as a raw material for manufacturing particleboards. Within this context, this article addresses an evaluation of the physical and mechanical properties of particleboards manufactured from bamboo particles (Dendrocalamus asper (Schult f.). Backer ex Heyne. Particles with 0.50 and 0.85mm granulometry and two conditions (control and treatment by immersion in hot water (70 ± 5 °C) for two hours) were used. Twelve homogeneous particleboards bonded with urea-formaldehyde adhesive with 10% solids were manufactured and the predetermined nominal density for all panels was 650 kg m-3. The properties analyzed were: water absorption, swelling and non-return rate in thickness, density profile, rupture modulus, elastic modulus, screw withdrawal and internal adhesion. Panels consisting of 0.50 mm granulometry showed higher water absorption rates, while panels made of particles treated with hot water and 0.85 mm granulometry showed higher swelling rates and non-return thickness. The panels made of treated particles showed higher density profile values in both layers of the panels. The granulometry did not influence the mechanical properties of the panels, and those with treated particles exhibited significant performance for the surface and top screw withdrawal properties, and internal adhesion. This last mentioned property reached the minimum value required by the standard. The results showed that it is feasible to use bamboo to manufacture particleboards, but it is necessary to adjust some variables such as nominal density, pressing parameters, adhesive content or the inclusion of a less dense material in the composition of the panels.

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“…Because limited wood resources cannot meet this growing need, there is an increasing interest in exploring alternative biomass materials that could be used to sustain fiberboard production (Klímek et al 2018).…”

Section: Introductionmentioning

confidence: 99%

“…et al (2017) investigated boards produced from unripe coconut husk. Klímek et al (2018) evaluated boards produced from Miscanthus stalk. Kusumah et al (2017) studied the effects of the hot-pressing process on boards produced from sweet sorghum bagasse.…”

Section: Introductionmentioning

confidence: 99%

Comparison of the Properties of Fiberboard Composites with Bamboo Green, Wood, or their Combination as the Fibrous Raw Material

2018

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The potential of bamboo green (B), an abundant lignocellulosic residue from the bamboo processing industry, was evaluated to serve as an alternative fibrous raw material in the production of fiberboard. Ureaformaldehyde resin-bonded fiberboards were prepared from B, wood fiber (W), and a mixture of the two (BW). The board type depended on the mass fraction of B in fibrous raw materials (including B and W), which were 0%, 20%, 40%, 60%, 80%, and 100%. The analytical methods used to characterize fibers and fiberboards included X-ray diffraction, thermogravimetric analysis, dynamic mechanical analysis, contact angle analysis, physical-mechanical analysis, and scanning electron microscopy. Compared with W, B showed a higher crystallinity index and thermogravimetric stability, but lower surface hydrophilicity and weaker interactions with urea-formaldehyde resin. Compared with W fiberboards, B fiberboards possessed a lower interfacial adhesion but fibrous raw materials in B fiberboards were better dispersed; moreover, B fiberboard displayed a higher dynamic viscosity, thermogravimetric stability, surface wettability, water absorption, and flexural modulus, but lower thickness swelling and flexural strength. The fiberboards produced with BW had better performances than the fiberboards produced with B and W. The 40% B mass fraction resulted in BW fiberboards with the best physicalmechanical properties.

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Utilizing Miscanthus stalks as raw material for particleboards

Cited by 64 publications

References 40 publications

Increase of Miscanthus Cultivation with New Roles in Materials Production—A Review

Increase of Miscanthus Cultivation with New Roles in Materials Production—A Review

Properties of particleboards manufactured from bamboo (Dendrocalamus asper)

Comparison of the Properties of Fiberboard Composites with Bamboo Green, Wood, or their Combination as the Fibrous Raw Material

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