Overview / Quarterly tracker / 2026-Q4
2026-Q4 · Sept 2026 – Nov 2026
No evidence-checked issue for this quarter yet. The leads below are discovery only.
Machine-triaged leads by route
25 leads shown out of 357 discovery records (Crossref and Google News), scanned through 2026-10-14 with deepseek-flash (0 calls). Machine-triaged discovery leads (DeepSeek flash). Not verified evidence: each needs primary-source review before it enters a quarterly issue.
Lignin 8
Aqueous lignin adhesive for high-performance wood bonding
A formaldehyde-free aqueous adhesive based on cysteine-functionalized lignin self-cured via amide bonds and bonded plywood with 4.0 MPa dry strength and high wet-strength retention.
“The solvent-free lignin adhesive for plywood outperforms commercial resins, demonstrating exceptional dry strength (4.0 MPa), high wet-strength retention (83.7%)”
Polyacrylamide Graft Modification of Alkali Lignin for Formaldehyde‐Free Wood Adhesives With Enhanced Bonding Strength, Fracture Resistance, and Water Resistance
Alkali lignin was grafted with polyacrylamide and combined with epoxy crosslinker triglycidylamine to give a formaldehyde-free wood adhesive.
“formaldehyde‐free lignin‐based wood adhesives with balanced bonding strength, fracture resistance, and water resistance”
Cysteine-protected lignin as a fully bio-based adhesive for high-performance wood bonding
Cysteine-protected lignin is reported as a fully bio-based adhesive for high-performance wood bonding.
Formaldehyde-free lignin-phenol glyoxal adhesives from coconut-shell Kraft lignin for plywood bonding
Formaldehyde-free lignin-phenol-glyoxal adhesives were prepared from coconut-shell Kraft lignin for plywood bonding.
Lignin-based waterborne polyurethane for sustainable wood adhesives with enhanced strength and anti-aging properties
The record reports lignin-based waterborne polyurethane for sustainable wood adhesives with enhanced strength and anti-aging properties.
High-yield separation of less-condensed lignin from pine for direct use as a wood adhesive
Less-condensed lignin is separated from pine in high yield for direct use as a wood adhesive.
Performance Evaluation of Borax/Citric Acid-Modified OPEFB Lignin Bio-Composite Wood Adhesive: Water Resistance, Shear Strength, and Spectroscopic Characteristics
OPEFB lignin-PVA bioresin dual-crosslinked with citric acid and borax gave dry shear strength 1.85 MPa and wet 1.42 MPa as a plywood adhesive.
“Formulation B2 is a promising formaldehyde-free plywood adhesive”
Bamboo particleboards bonded with lignin-modified vinyl acetate-ethylene adhesive: physical, mechanical, and thermal properties
Kraft lignin at 5-20% was incorporated into vinyl acetate-ethylene adhesive for bamboo particleboards and physical, mechanical, morphological and thermal properties were evaluated.
“demonstrating the potential of lignin as a renewable modifier for VAE-based bamboo particleboards.”
Proteins 9
A Soybean Meal-Based Adhesive with Improved Hot-Pressing Efficiency and Water Resistance Fabricated from Polyamidoamine-Epichlorohydrin, Low-Cost Melamine-Urea-Glyoxal, and Blocked Polyurethane Resins
Soybean meal adhesive crosslinked with PAE, melamine-urea-glyoxal and blocked polyurethane reduced hot-pressing temperature and time for plywood bonding.
“The optimal SM/PAEc/MUG30/BPU5 adhesive exhibited a 12.5% lower hot-pressing temperature of 105 °C, a 20% shorter hot-pressing time of 4 min”
A Formaldehyde-Free, Soy Protein-Based Adhesive with P-N-Si Synergistic Flame Retardancy for Plywood Application
A formaldehyde-free soy protein, collagen and MDI adhesive containing a phosphorus-nitrogen-silicon flame retardant was prepared and tested on eucalyptus plywood.
“to fabricate a flame-retardant adhesive for eucalyptus plywood.”
Bonding Properties and Antifungal and Flame-Retardant Performances of Soy Protein Adhesive Modified by Vanillin Grafting and Iron–Dopamine Synergy
Soy protein isolate adhesive crosslinked with a vanillin-derived trifunctional aldehyde and Fe@polydopamine showed higher dry and wet shear strength plus mold and flame resistance.
“the dry and wet shear strengths of the SPI-10TAM-5Fe@PDA adhesive reached 2.45 and 1.28 MPa”
Preparation of gelatin based wood adhesive with “cascading triggering - synergistic enhancement” (CTSE) mechanism
A gelatin-based wood adhesive was prepared using a cascading triggering and synergistic enhancement mechanism.
Preparation and adhesive performance of maleic anhydride distilled spent grain -based wood bio-adhesives
The record prepares maleic anhydride modified distilled spent grain-based wood bio-adhesives and evaluates their adhesive performance.
Surface Layer of pMDI-Bonded Bamboo Particleboard with Soy Protein Adhesive: Mechanical Performance, Surface Characterization, and Pore Structure
Soy protein adhesive was evaluated as a surface-layer modifier in pMDI-bonded bamboo particleboard, with the 2.2% pMDI plus 4% soy formulation showing the highest measured strengths.
“this study evaluated soy protein adhesive as a surface-layer modifier”
Magnetic Resonance Imaging as a Tool for Studying Soy-Based Adhesives in Plywood
MRI was used to examine water interaction and migration at bondlines of plywood made with soy adhesives, including chemically modified soy adhesives.
“We have employed MRI to study water-soaked plywood composites made with soy adhesives”
A study of the effects of cashew nutshell epoxy resin and graphene reinforcement on soy flour-based bio-adhesive performance
The title reports a study of cashew nutshell epoxy resin and graphene reinforcement effects on soy flour-based bio-adhesive performance.
Good resin to use: 40% plywood units in Yamunanagar adopt urea-free input - The Tribune
The Tribune reports that 40% of plywood units in Yamunanagar have adopted a urea-free resin input.
“40% plywood units in Yamunanagar adopt urea-free input”
Tannins 1
Development of a semi-closed foaming system for tannin-formaldehyde-based foamable adhesives to produce lightweight particleboard
A semi-closed foaming system was developed for tannin-formaldehyde-based foamable adhesives used to produce lightweight particleboard.
Carbohydrates 4
Sustainable Development of Low‐Formaldehyde Rice Straw Wood Composites via Nitrogen and Chlorine‐Functionalized Starch Integration
Nitrogen- and chlorine-functionalized starch derivatives were added to urea-formaldehyde adhesives, lowering free formaldehyde and raising bond strength in rice straw composites.
“When integrated into commercial UF systems at a 5% solid weight concentration, these derivatives significantly outperformed unmodified starch.”
N/P-containing COF effectively improves flame retardancy of aminated chitosan-oxidized sucrose based wood adhesives
An N/P-containing covalent organic framework improves flame retardancy of aminated chitosan-oxidized sucrose based wood adhesives.
A Mussel-Inspired Chitosan-Based Wood Adhesive with Boiling-Water Resistance and Flame Retardancy
Chitosan, tannic acid and Fe3+ adhesive gave boiling-water shear strength 1.40 MPa and limiting oxygen index 29.70% on treated poplar veneer.
“a chitosan-based adhesive using chitosan (CS), tannic acid (TA), and Fe3+”
Banana fiber reinforced starch-chitosan composites with rice husk ash filler for sustainable non-structural panels
Banana fiber reinforced starch-chitosan composites with rice husk ash filler are developed for sustainable non-structural panels.
Polycarboxylic acid systems 1
Reaction-byproduct-enabled pore engineering in bio-based cork composites using a solvent-free epoxidized soybean oil-citric acid adhesive
The title describes reaction-byproduct-enabled pore engineering in bio-based cork composites using a solvent-free epoxidized soybean oil-citric acid adhesive.
Renewable crosslinkers and aldehyde substitutes 2
Dynamic Polyimine Resin Enables a Formaldehyde-Free, Remoldable, Degradable, and Closed-Loop Recyclable Wood-Based Composite
A formaldehyde-free dynamic polyimine resin made by Schiff-base polymerization was used to glue wood fibers into a remoldable, degradable, recyclable wood-based composite film.
“a formaldehyde-free and dynamic adaptive polyimine (PI) resin linked by reversible imine bonds was synthesized using a Schiff-base polymerization reaction”
Solvent- and formaldehyde-free phenolic resin derived from salicyl alcohol
Describes a phenolic resin synthesized from salicyl alcohol that is free of solvent and formaldehyde.