Latest advancements in high-performance bio-based wood adhesives: A critical review

Hussin, M. Hazwan; Latif, Nur Hanis Abd; Hamidon, Tuan Sherwyn; Idris, Nor Najhan; Hashim, Rokiah; Appaturi, Jimmy Nelson; Brosse, Nicolas; Ziegler-Devin, Isabelle; Chrusiel, Laurent; Fatriasari, Widya; Syamani, Firda Aulya; Iswanto, Apri Heri; Hua, Lee Seng; Edrus, Syeed Saiful Azry Osman Al; Lum, Wei Chen; Antov, Petar; Savov, Viktor; Krišťák, Ľuboš; Réh, Roman; Sedliacik, J

doi:10.1016/j.jmrt.2022.10.156

Cited by 74 publications

(22 citation statements)

References 255 publications

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“…The synthetic resin adhesives applied in wood product manufacturing primarily depend on fossil resources such as urea-formaldehyde resins, phenolic resins, and melamine-formaldehyde resins [ 1 ]. The market for wood adhesives is controlled by formaldehyde-based resins owing to advantages of good water resistance, short pressing times, low cost, and excellent chemical reactivity [ 2 , 3 , 4 ]. Synthetic resin adhesives are nonrenewable, and wood-based composites prepared from these adhesives release toxic substances, such as free-formaldehyde and volatile organic compounds (VOCs), which are harmful to individual health, including cancer and sensitization [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of Lysine on the Interfacial Bonding of Epoxy Resin Cross-Linked Soy-Based Wood Adhesive

et al. 2023

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Soy protein isolate (SPI) is an attractive natural material for preparing wood adhesives that has found broad application. However, poor mechanical properties and unfavorable water resistance of wood composites with SPI adhesive bonds limit its more extensive utilization. The combination of lysine (Lys) with a small molecular structure as a curing agent for modified soy-based wood adhesive allows Lys to penetrate wood pores easily and can result in better mechanical strength of soy protein-based composites, leading to the formation of strong chemical bonds between the amino acid and wood interface. Scanning electron microscopy (SEM) results showed that the degree of penetration of the S/G/L-9% adhesive into the wood was significantly increased, the voids, such as ducts of wood at the bonding interface, were filled, and the interfacial bonding ability of the plywood was enhanced. Compared with the pure SPI adhesive, the corresponding wood breakage rate was boosted to 84%. The wet shear strength of the modified SPI adhesive was 0.64 MPa. When Lys and glycerol epoxy resin (GER) were added, the wet shear strength of plywood prepared by the S/G/L-9% adhesive reached 1.22 MPa, which increased by 29.8% compared with only GER (0.94 MPa). Furthermore, the resultant SPI adhesive displayed excellent thermostability. Water resistance of S/G/L-9% adhesive was further enhanced with respect to pure SPI and S/GER adhesives through curing with 9% Lys. In addition, this work provides a new and feasible strategy for the development and application of manufacturing low-cost, and renewable biobased adhesives with excellent mechanical properties, a promising alternative to traditional formaldehyde-free adhesives in the wood industry.

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Section: Introductionmentioning

confidence: 99%

Effects of Lysine on the Interfacial Bonding of Epoxy Resin Cross-Linked Soy-Based Wood Adhesive

et al. 2023

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“…Adhesives serve a crucial part in human life and are extensively utilized in the industrial bonding, packaging, building manufacturing, electronic device, and aerospace industries. − However, at present, adhesives still face challenges such as poor bond strength (such as epoxy resins), − toxicity, irreversible curing (such as acrylics, polyurethanes, and organic silicones), , and limited conditions of use (such as anaerobic adhesives, UV adhesives, and solvent-based adhesives). − Polyester hot-melt adhesives are a typical example of solvent-free, ecologically friendly adhesives that meet the demands of the adhesive industry for energy efficiency, nontoxicity, low cost, reusability, and excellent performance. , Linear saturated polyesters are generally utilized as hot-melt adhesives, prepared by transesterification, esterification, and polycondensation reactions, which is simple and easy to process. − However, these raw materials used in commercial hot-melt adhesives are usually derived from petroleum resources and do not meet the requirements of sustainable development. − Yet, compared to petrochemical products, which come in a large variety, the number of biobased monomers that can be employed to create biomass polyester hot-melt adhesives is substantially fewer. − For example, Zheng et al used biobased 1,5-pentanediol as a replacement for petroleum-derived 1,6-hexanediol for polyester hot-melt adhesives . Kim et al prepared a polyester hot-melt adhesive using polybutylene terephthalate modified with dimer acid methyl ester derived from fatty acid methyl esters .…”

Section: Introductionmentioning

confidence: 99%

Ultra-Tough Vanillin-Based Polyester Hot-Melt Adhesive through Multiple Oxygenated Groups

Dong,

Peng,

Zhang

et al. 2023

ACS Appl. Polym. Mater.

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“…They are made of wood veneers that are bonded with adhesives such as urea-formaldehyde (UF), phenol-formaldehyde (PF), and melamine-formaldehyde (MF) resins [ 2 ]. The global market for wood adhesives is vast, and its total market is expected to reach 21.8 billion dollars by 2028 [ 3 ]. Although formaldehyde-based adhesives are good in terms of adhesion properties, processability, quality, and economics, their applications are limited by their dependence on fossil resources and the negative impact of formaldehyde release [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Lignocelluloses-Based Furan-Acetone Adducts as Wood Adhesives for Plywood Production

et al. 2023

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Plywood is made of wood veneers that are bonded with adhesives such as urea-formaldehyde, phenol-formaldehyde and melamine-formaldehyde resins. The plywood made from formaldehyde-based adhesives not only releases formaldehyde but also relies on fossil resources. In this article, we synthesized furan-acetone adducts from lignocellulosic biomass in one pot. The furan-acetone adducts could be directly used as adhesives with the addition of phosphoric acid as a curing catalyst. Particularly, with the addition of 5 wt% diphenylmethane diisocyanate (MDI) as a crosslinking agent, both the wet and dry bonding strength of the plywood prepared from the adhesives could meet the minimum requirement of 0.7 MPa (Chinese National Standard GB/T 9846-2015). The possible adhesion mechanism is that the penetration of furan-acetone adhesives into vessels and cell lumens followed by crosslinking during hot-pressing forms mechanical interlocking at the interface of wood veneers, which provides the main bonding strength of plywood. The findings presented here could provide a new way for the efficient preparation of aldehyde-free green wood adhesives and the value-added utilization of woody biomass.

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Latest advancements in high-performance bio-based wood adhesives: A critical review

Cited by 74 publications

References 255 publications

Effects of Lysine on the Interfacial Bonding of Epoxy Resin Cross-Linked Soy-Based Wood Adhesive

Effects of Lysine on the Interfacial Bonding of Epoxy Resin Cross-Linked Soy-Based Wood Adhesive

Ultra-Tough Vanillin-Based Polyester Hot-Melt Adhesive through Multiple Oxygenated Groups

Lignocelluloses-Based Furan-Acetone Adducts as Wood Adhesives for Plywood Production

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