Advanced Eco-Friendly Wood-Based Composites

Réh, Roman; Krišťák, Ľuboš; Antov, Petar

doi:10.3390/ma15238651

Cited by 7 publications

(1 citation statement)

References 48 publications

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“…Free formaldehyde emissions from the created wood-based composites has been linked to seriously detrimental human health effects, including irritation of the eyes, nose, throat and skin; nausea (short-term exposure); as well as respiratory problems and cancer (long-term exposure) [14][15][16][17][18]. The transition towards a circular, low-carbon woodbased panel industry, increased environmental concerns related to the use of unsustainable petroleum-based resources and the strict legislative requirements of free formaldehyde release from engineered wood composites have tremendously increased the research and development of 'green', eco-friendly wood-based composites [19][20][21][22][23][24][25], optimal valorisation of available lignocellulosic resources [26][27][28][29][30], and use of alternative raw materials [31][32][33][34][35][36][37][38][39]. The adverse free formaldehyde emission from wood-based composites can be mitigated by coating the surfaces of finished composites, by adding various organic or inorganic formaldehyde scavengers to synthetic wood adhesives, or by using bio-based, environmentally friendly wood adhesives [40][41][42][43][44][45][46][47][48][49].…”

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confidence: 99%

Advanced Eco-Friendly Wood-Based Composites II

Antov

Lee

Krišťák

et al. 2023

Forests

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confidence: 99%

Advanced Eco-Friendly Wood-Based Composites II

Antov

Lee

Krišťák

et al. 2023

Forests

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The effect of wood particles polyesterification with sorbitol and citric acid on the properties of particleboard produced with the use of PF/pMDI adhesive

Kawalerczyk,

Kuliński,

Majlingová

et al. 2024

Eur. J. Wood Prod.

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This study investigated the effect of pine particle polyesterification with the mixture of sorbitol and citric acid (SCA) on the properties of particleboard bonded with the PF/pMDI hybrid resin. The use of SCA with a concentration of 35% contributed to improvement in the internal bond of the particleboards, their water resistance and dimensional stability. However, lowering the concentration to 25% resulted in a deterioration of the properties of produced materials. The effect of different loadings of pMDI in the PF/pMDI resin (0%, 5%, 15%, 25%) was also investigated and the outcomes showed a positive effect of the share of 15% and 25%. Furthermore, boards made of treated particles were characterized by slightly better flammable properties (lower mass loss, flashing point temperature and delayed ignition), and the visibility of the effect increased with the increase in the concentration of the impregnate. The results also indicate that the introduction of pMDI may also influence the ignition of the board.

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Advancements and applications of lightweight structures: a comprehensive review

Hassan,

Saeed

2024

Discov Civ Eng

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Lightweight structures comprise of actual pieces or segments that give the crucial ability to function while weighing less than other possibilities as well. The aerospace industry invented this particular branch of expertise, which is sometimes referred to as lightweight engineering or lightweight construction. This paper focuses on how lightweight structures are developed and applied in the field of structural engineering which is essential to achieving the high standards and breakthroughs of modern science. Comparison is made depending on different types of lightweight materials such as titanium alloys, shape memory alloys, magnesium, aluminum alloys, and wood composites, benefits, and applications of each type of material are discussed. Recent technologies and innovations in the field of lightweight design are performed including deployable and morphing structures, 3D printing, embedded sensors and actuators, and advanced joining technologies. Moreover, research is also being done on these structure types of evolution, uses, and significance, as well as their design techniques and innovations. Truss, tensegrity, pantographic, cable, origami, and sandwich structures are identified by explaining their properties and working mechanisms. The usage of several lightweight structures in the fields of aerospace, robotics, civil engineering, architecture, automotive, and biomedicine is examined in this paper. Additionally, the comparison is made between the application of tensegrity, truss, pantographic, and sandwich structures in aircraft applications in detail, while the importance of shape morphing and deploying of pantographic and origami structures is explained in the field of aerospace and robotics. In addition, different types of bridge structures and architecture are mentioned according to applications of suspension cables, stayed cables truss structures, and tensegrity techniques. Furthermore, the paper covers the improvement of computational and numerical techniques in the analysis and design of lightweight structures including the force method, dynamic relaxation method, and finite element method (FEM), trends in optimization techniques and their applications are included mentioned sequential quadratic programming (SQP) and interior point optimization, with applications on different types of lightweight structures. Also, perspectives and future directions of lightweight design through sustainability and smart construction are taken into account, importance of lightweight design in the form of environment and innovation is clearly supported.

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Advanced Eco-Friendly Wood-Based Composites

Abstract: In collaboration with the MDPI publishing house, we are pleased to introduce the reader to our new project, the Special Issue entitled “Advanced Eco-friendly Wood-Based Composites” [...]

Cited by 7 publications

References 48 publications

Advanced Eco-Friendly Wood-Based Composites II

Advanced Eco-Friendly Wood-Based Composites II

The effect of wood particles polyesterification with sorbitol and citric acid on the properties of particleboard produced with the use of PF/pMDI adhesive

Advancements and applications of lightweight structures: a comprehensive review

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