Overview / Quarterly tracker / 2026-Q2
2026-Q2 · Mar 2026 – May 2026
No evidence-checked issue for this quarter yet. The leads below are discovery only.
Machine-triaged leads by route
46 leads shown out of 347 discovery records (Crossref and Google News), scanned through 2026-05-31 with deepseek-flash (46 calls). Machine-triaged discovery leads (DeepSeek flash). Not verified evidence: each needs primary-source review before it enters a quarterly issue.
Lignin 11
Evaluating the effects of Kraft and Hydroxymethylated lignin on particleboard performance and environmental impact
The study evaluates how Kraft and hydroxymethylated lignin affect particleboard performance and environmental impact.
Formaldehyde-free binder of natural rubber latex and lignin for sugarcane bagasse fiber composite plates
Formaldehyde-free binder of natural rubber latex and lignin is reported for sugarcane bagasse fiber composite plates.
Wood modification with lignin cleavage products-phenol-formaldehyde impregnation resin: resistance to soft-rot decay in soil contact
Softwood kraft lignin cleavage products replaced 30% of phenol in a PF impregnation resin; treated pine and beech showed mass loss below 0.5% and durability class 1.
“30 % of phenol in a PF resin was substituted by softwood kraft LCP from pyrolysis”
Development of formaldehyde-free wood adhesive resins using oil palm’s nano lignin particles
Lignin nanoparticles from oil palm empty fruit bunch were evaluated as reinforcements at 10%, 30% and 50% loadings in a bio-based adhesive resin.
“At loadings of 10%, 30%, and 50%, the LNPs were evaluated as reinforcements in resin.”
Synthesis of lignin-formaldehyde resin as wood adhesive and usage of trimethyl stearyl amine-montmorillonite as filler to improve plywood performances under dry/wet conditions
Reactive lignin fully replaced phenol in a lignin-formaldehyde wood adhesive; plywood with 10 wt% TMSA-MMT filler gave dry/wet strengths of 6.15/2.2 MPa.
“a new method was developed for the production of lignin formaldehyde (LF) resin, which can also be defined as green wood adhesive”
Formaldehyde-Free Wood Adhesive Based on a Waterborne Maleic Anhydride Copolymer and Unmodified Kraft Lignin
A formaldehyde-free wood adhesive is developed from a waterborne maleic anhydride copolymer combined with unmodified kraft lignin.
Characterization of Lignin-Phenol-Formaldehyde Resins Synthesized with Different Lignin Sources
Lignins from hardwood, softwood and bamboo were used to partially replace phenol in PF resins, altering viscosity, gel time and formaldehyde emission.
“lignins from hardwood, softwood, and bamboo were evaluated as partial replacements for phenol in plywood and paper panel applications”
Fabricating a fully lignin-based adhesive from in-situ phenolation of lignocellulosic biomass
Describes fabricating a fully lignin-based adhesive through in-situ phenolation of lignocellulosic biomass.
High-performance lignin phenolic resin adhesives constructed by modifying with deep eutectic solvents and compositing with MoS₂
Lignin phenolic resin adhesives were modified with deep eutectic solvents and composited with MoS₂.
Lignin Colloids-Induced Interfacial Films Stabilize Water-In-Oil Isocyanate Emulsion Adhesives for Robust Wood Lamination
Lignin colloids form interfacial films that stabilize water-in-oil isocyanate emulsion adhesives for wood lamination.
“Lignin Colloids-Induced Interfacial Films Stabilize Water-In-Oil Isocyanate Emulsion Adhesives”
Forest Management Residues for Engineered Wood-Based Composites and Bio-Adhesive Systems: A Critical Review on Material Valorization and Circular Biomass Integration
This critical review covers valorization of forest management residues into engineered wood-based composites and bio-adhesive systems within circular biomass integration.
“Forest Management Residues for Engineered Wood-Based Composites and Bio-Adhesive Systems”
Proteins 8
Green, Formaldehyde-Free Bio-Adhesive from Soybean Meal and Laccase-Oxidized Tannin via Quinone–Amine Crosslinking
Laccase-oxidized waxberry tannin blended with soybean meal formed a quinone-amine crosslinked network; plywood bonded with the adhesive reached 0.85 MPa wet shear strength at 63 °C.
“plywood bonded with OTS exhibited a wet shear strength of 0.85 MPa at 63 °C”
Synthesis of casein-grafted-poly(sodium acrylate) from waste milk: A sustainable adhesive for wood binding
Synthesis of casein-grafted-poly(sodium acrylate) from waste milk is reported as a sustainable adhesive for wood binding.
Preparation of Water-Resistant Gelatin-Based Wood Adhesive via Synergistic Supramolecular Preassembly and Covalent Cross-Linking
The paper reports preparation of a water-resistant gelatin-based wood adhesive through synergistic supramolecular preassembly and covalent cross-linking.
Environmental storage conditions-induced variations in the mechanical strength of soy protein-based adhesive-bonded plywood: Unraveling the underlying mechanisms
Environmental storage conditions induced variations in the mechanical strength of soy protein-based adhesive-bonded plywood, and underlying mechanisms were studied.
“Environmental storage conditions-induced variations in the mechanical strength of soy protein-based adhesive-bonded plywood”
Modification of Casein Adhesives to Improve Moisture Resistance and Elasticity for Use in the Wood Industry
Six casein adhesive formulations, including PVAc and additives, were tested for moisture resistance and elasticity in the wood industry.
“This study investigated modifying casein adhesives to improve their moisture resistance and elasticity for use in the wood industry.”
THE RESEARCH OF CHEMICAL MODIFICATION OF SOY-PROTEIN ADHESIVES FOR PLYWOOD PRODUCTION
The research investigates chemical modification of soy-protein adhesives intended for plywood production.
Enzymatic hydrolysis-assisted protein adhesive with enhanced strength and toughness via polyamide-polyurethane resin integration
The study presents an enzymatic hydrolysis-assisted protein adhesive integrated with polyamide-polyurethane resin with enhanced strength and toughness.
Kinetic modeling, parameter estimation, and techno-economic optimization for producing kraft lignin-isolated soy protein bio-adhesive
The study models kinetics, estimates parameters, and techno-economically optimizes production of a kraft lignin-isolated soy protein bio-adhesive.
Tannins 5
The Effect of Hardeners on the Dry and Wet Bondline Strength of Quebracho Tannin Resin in Three-Layer Plywood
Quebracho tannin adhesives with hexamine, paraformaldehyde or MDI hardeners were tested for dry and wet bondline strength in three-layer maple plywood.
“paraformaldehyde-modified tannin adhesives achieved the highest dry strength, 3.5 MPa”
Performance of Agro-Forestry Biomass Particleboards Bonded with Tannin-Based Bio-Adhesives
Agro-forestry biomass particleboards were bonded with mimosa tannin adhesive and compared with urea-formaldehyde, assessing mechanical and water durability.
“These are bonded using an ecological mimosa tannin adhesive in comparison to a conventional urea–formaldehyde-based adhesive.”
Tannic Acid‐Ethanolamine Modified LDPE Films for the Fabrication of Interfacially Reinforced Thermoplastic Resin‐Bonded Plywood
Tannic acid and ethanolamine self-polymerize on LDPE film surfaces to form an adhesive layer used to prepare formaldehyde-free thermoplastic resin-bonded plywood.
“the interfacial bonding between LDPE film and wood is effectively improved”
Moisture durability of welded-joints reinforced with a novel Eucalyptus globulus tannin-based adhesive: experimental investigation and coupled thermal-mechanical modeling using RSM and FEM
Moisture durability of welded joints reinforced with a Eucalyptus globulus tannin-based adhesive was investigated experimentally and modelled with RSM and FEM.
“Moisture durability of welded-joints reinforced with a novel Eucalyptus globulus tannin-based adhesive”
Optimization of condensed tannin extraction from Pinus taeda bark for sustainable wood adhesives
The study optimizes condensed tannin extraction from Pinus taeda bark for sustainable wood adhesives.
Carbohydrates 6
DETERMINATION OF THE OPTIMAL COMPOSITION OF ENVIRONMENTALLY FRIENDLY WOOD GLUE BASED ON OXIDIZED STARCH
Title reports determining the optimal composition of an environmentally friendly wood glue based on oxidized starch; no abstract is provided.
Humin-based bioadhesives for manufacturing particleboard panels
Humin-based bioadhesives were used to manufacture particleboard panels.
A formaldehyde-reduced phenolic adhesive featuring multi-scale wood bonding: Utilizing dialdehyde xylan for enhanced performance and sustainability
A formaldehyde-reduced phenolic adhesive using dialdehyde xylan is reported for multi-scale wood bonding with enhanced performance and sustainability.
“A formaldehyde-reduced phenolic adhesive featuring multi-scale wood bonding: Utilizing dialdehyde xylan”
Chitosan as a green additive for reducing VOC emissions in plywood
Chitosan is examined as a green additive for reducing VOC emissions in plywood.
Wood that bonds itself via homologous adhesion through cellulose reconstitution - Nature
A Nature report describes wood bonding itself through homologous adhesion by means of cellulose reconstitution.
“Wood that bonds itself via homologous adhesion through cellulose reconstitution”
Regulation of bonding performance in cellulose-based adhesive and adhesive film via wood surface activation
The study regulates bonding performance in a cellulose-based adhesive and adhesive film through wood surface activation.
Polycarboxylic acid systems 5
TERMITE RESISTANCE OF SAGO PARTICLE BOARD WITH CITRIC ACID-SUSCROSE ADHESIVE
Termite resistance of sago particleboard bonded with citric acid-sucrose adhesive is tested across layer compositions and acid-to-sucrose ratios.
“One of the ways of minimizing the use of synthetic adhesives is by using natural adhesives such as citric acid and sucrose”
Technical Feasibility of Citric Acid as a Bio-Adhesive for Production of Densified Laminated Veneer Lumber
Citric acid, alone and hybrid with MUF, bonded densified LVL panels from Pinus taeda veneers; all treatments exceeded EN 314-2 shear strength requirements.
“This study evaluated the technical feasibility of CA for producing densified LVL panels using wood from Brazilian Pinus taeda plantation trees.”
Valorization of fibrous sludge waste in eco-friendly particleboard production using citric-sucrose based bio-adhesives
Fibrous sludge waste was valorized in eco-friendly particleboard production using citric-sucrose based bio-adhesives.
Solvent- and Catalyst-Free In Situ Esterification of Citric Acid and Mannitol: Synergistically Enhancing the Dimensional Stability and Mechanical Strength of Poplar Wood
Citric acid and mannitol were esterified in situ in poplar wood, forming covalent ester bonds that improved dimensional stability and compressive strength.
“a solvent-free and catalyst-free method was used to synthesize bio-based polyesters from citric acid and mannitol”
Artificial intelligence-driven physical and mechanical properties of acid-based adhesive for manufacturing particleboard
Artificial intelligence was applied to the physical and mechanical properties of an acid-based adhesive used for manufacturing particleboard.
Renewable crosslinkers and aldehyde substitutes 5
A Glyoxal Based Co-Condensation Adhesive with Excellent Water Resistance Using Chitosan and Starch as Enhanced Agents
Glyoxal-urea co-condensation adhesive with starch and chitosan gave plywood bonding strength above the Chinese standard after cold and hot water immersion.
“a co-condensation method was employed to prepare glyoxal-based co-condensation adhesive incorporating starch and a small amount of chitosan as synergistic reinforcing agents”
Synergistic regulation of chitosan and glyoxal on low-molar-ratio urea-formaldehyde resin: performance and structure
Chitosan and glyoxal are combined to regulate the performance and structure of low-molar-ratio urea-formaldehyde resin.
“Synergistic regulation of chitosan and glyoxal on low-molar-ratio urea-formaldehyde resin”
Eco-friendly adhesive from cardanol and silica nanoparticles for sustainable medium density particleboard (MDP)
The paper describes an eco-friendly adhesive made from cardanol and silica nanoparticles for sustainable medium density particleboard.
Enhancement of adhesion performance and hydrolytic stability of particleboard bonded with gum rosin-modified maleic anhydride and polymeric isocyanate
Particleboard bonded with gum rosin-modified maleic anhydride and polymeric isocyanate was evaluated for adhesion performance and hydrolytic stability.
Closed-loop recycling of an intrinsically flame-retardant epoxy/carbon fiber composite toward formaldehyde-free wood adhesives
The study reports closed-loop recycling of an intrinsically flame-retardant epoxy/carbon fiber composite toward formaldehyde-free wood adhesives.
Non-isocyanate polyurethanes (NIPU) 3
A green and sustainable three-layer bamboo particleboard from chopstick waste bonded with bio-based polyurethane composite for engineering applications
A green three-layer bamboo particleboard was made from chopstick waste bonded with a bio-based polyurethane composite for engineering applications.
“three-layer bamboo particleboard from chopstick waste bonded with bio-based polyurethane composite”
Sustainable particleboard from bamboo waste/water hyacinth/plant-based polyurethane adhesive composite: a green flame-retardant material
The title describes a sustainable particleboard composite made from bamboo waste, water hyacinth and a plant-based polyurethane adhesive, presented as a green flame-retardant material.
“Sustainable particleboard from bamboo waste/water hyacinth/plant-based polyurethane adhesive composite”
Wood modification by in situ polymerization of non-isocyanate polyurethane using biobased erythritol bis(carbonate) and polyamines
Wood is modified by in situ polymerization of a non-isocyanate polyurethane from biobased erythritol bis(carbonate) and polyamines.
Bio-based acrylics and dispersions (watch) 3
Preparation and Properties of a Xanthoceras sorbifolium Bunge Oil-Based Adhesive for Plywood
Xanthoceras sorbifolium Bunge oil was used to prepare a formaldehyde-free plywood adhesive by blending acrylated epoxy oil, a dimethacrylate reactive diluent and an isocyanate methacrylate.
“Xanthoceras sorbifolium Bunge oil, was used as the raw material”
A more sustainable way to produce acrylic acid - The University of Manchester
University of Manchester reports a more sustainable way to produce acrylic acid.
“A more sustainable way to produce acrylic acid”
Direct valorisation of bio-glycerol to acrylic acid: Experimental comparison of membrane and conventional reactors
The study compares membrane and conventional reactors for direct valorisation of bio-glycerol to acrylic acid.