Protein Adhesives – Composition, Structure and Performance

Frihart, Charles R.

doi:10.1002/9781394175406.ch9

Cited by 3 publications

(7 citation statements)

References 78 publications

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“…Cohesion failure occurs more frequently in comparison to adhesion failures in adhesive research due to cohesive forces lacking strength to maintain structural integrity. Adhesion failures occur when adhesives are not properly spread along the substrate, altering the contact angle …”

Section: Basic Wood Adhesive Propertiesmentioning

confidence: 99%

“…Due to its natural cohesive tendencies, wheat gluten is undergoing examination as a viable replacement as a composite bonding agent. In comparison to soy, wheat gluten is substantially lower in protein content with a composition of 10%–15% protein . And of the proteins available, most are classified as monomeric and polymeric, which leads to difficult separation from the wheat gluten.…”

Section: Adhesives Made From Soy and Other Traditional Crop-based Pro...mentioning

confidence: 99%

“…Through cross-linking, cohesive strength can be increased, and moisture and heat resistance would increase, thus leading to adhesives being used in a wider assortment of applications. Further research detailing the kinetics of protein denaturation could also reveal possible modification outlets for expanding the wood adhesive industry …”

Section: Knowledge Gaps For Future Researchmentioning

confidence: 99%

“…Adhesion failures occur when adhesives are not properly spread along the substrate, altering the contact angle. 15 ■ PETROLEUM BASED ADHESIVES Adhesives are separated into two classifications; natural adhesives otherwise referred to as glue and synthetic adhesives otherwise referred to as resins. Further division of the adhesives can be visualized above in Figure 1.…”

Section: ■ Introduction To Adhesives Industrymentioning

confidence: 99%

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Production of Sustainable Green Adhesives from Proteinaceous Biomass with an Emphasis on Waste-Derived Protein Residuals: A Review

Zeringue,

Chirdon,

Sharp

et al. 2023

Ind. Eng. Chem. Res.

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Wood adhesives play a vital role in the adhesive industry, but in the past, many wood composites were manufactured with significant amounts of toxic components and volatile organic compounds, most of which are petroleum derivatives. The use of renewable, protein-rich elements in adhesive production has been discussed significantly as a promising alternative compared to petroleum-based adhesives in the wood industry. Natural proteins are attracting attention as sustainably sourced and formaldehyde-free adhesives due to their minimal environmental footprint. The present review details the current assessment of formaldehyde-free adhesive systems for particulate composites. Of the viable options for protein feedstocks, agricultural proteins, animal byproduct proteins, algae proteins, and biosolid proteins are some of the many sustainable alternatives for the growing adhesive industry. Improved knowledge of protein properties of a multitude of possible feedstocks for adhesive production is needed to relate the adhesive performance before and after wood bondage. The goal of this review is to present possibilities of applying multiple protein alternatives for adhesive production and to determine the effectiveness in terms of strength, water resistivity, and need for cross-linking.

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Section: Basic Wood Adhesive Propertiesmentioning

confidence: 99%

Section: Adhesives Made From Soy and Other Traditional Crop-based Pro...mentioning

confidence: 99%

Section: Knowledge Gaps For Future Researchmentioning

confidence: 99%

Section: ■ Introduction To Adhesives Industrymentioning

confidence: 99%

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Production of Sustainable Green Adhesives from Proteinaceous Biomass with an Emphasis on Waste-Derived Protein Residuals: A Review

Zeringue,

Chirdon,

Sharp

et al. 2023

Ind. Eng. Chem. Res.

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“…[19][20][21][22] While such adhesives have been widely studied and applied, [23][24][25] the role of protein aggregation state on wet adhesion-especially for amyloids-still remains largely unknown. 26 To better determine the role of aggregation on water resistance for protein adhesives, a model system requires changing aggregate structure while minimizing changes to chemical composition, testing by a standardized bulk adhesion measurement, and application without the use of chemical crosslinkers.…”

Section: Introductionmentioning

confidence: 99%

Role of protein aggregate structure on the strength and underwater performance of barnacle-inspired adhesives

et al. 2023

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Optimizing a canola-gelatine-urea bio-adhesive: effects of crosslinker and incubation time on the bonding performance

Tene Tayo,

Cárdenas-Oscanoa,

Beulshausen

et al. 2024

Eur. J. Wood Prod.

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The importance of creating eco-friendly and health-conscious materials has become paramount in striving to attain long-term development goals. For the past decades, constant efforts have been made to tackle the issue of formaldehyde release from wood-based panels which, to date, are still mainly produced from unsustainable synthetic adhesives. In the pursuit of sustainable and environmentally responsible adhesive solutions for the wood industry, sodium bisulfate, sodium bisulfite, and sodium nitrite were used under different heat treatment conditions as crosslinkers for canola protein-based bio-adhesive formulations. The developed adhesive formulations showed outstanding mechanical properties, with a viscosity below 4000 mPa/s despite the relatively high solid content, as well as excellent bonding performances. The one-layer particleboards bonded with the canola-based adhesive demonstrated outstanding mechanical properties, with the internal bonding and the bending strength values surpassing 0.60 N/mm2 and 10 N/mm2, respectively. Notably, the sodium nitrite-crosslinked variants exhibited significantly superior performance compared to the UF-bonded control boards. Longer incubation times generally improve bonding strength, with sodium nitrite showing the most pronounced effects. The results of this research showcase not only the possibility of developing a plant protein-based wood adhesive with high solid content, but also the potential superiority of canola protein-based wood adhesives when compared to conventional, synthetic counterparts. These findings offer valuable insights for optimizing bio-based adhesives in wood composite manufacturing, highlighting sodium nitrite as a promising crosslinker for enhancing the adhesive’s performance.

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Protein Adhesives – Composition, Structure and Performance

Cited by 3 publications

References 78 publications

Production of Sustainable Green Adhesives from Proteinaceous Biomass with an Emphasis on Waste-Derived Protein Residuals: A Review

Production of Sustainable Green Adhesives from Proteinaceous Biomass with an Emphasis on Waste-Derived Protein Residuals: A Review

Role of protein aggregate structure on the strength and underwater performance of barnacle-inspired adhesives

Optimizing a canola-gelatine-urea bio-adhesive: effects of crosslinker and incubation time on the bonding performance

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