ArticleACS omega2025
Thermal Polymerization of Softwood Kraft Lignin: Enhanced Adhesion of Lignin-Phenol-Formaldehyde Blends.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Thermal polymerization improved the adhesion properties of softwood kraft lignin, making polymerized softwood kraft lignin a viable and sustainable partial substitute for phenol-formaldehyde resins used in engineered wood panels. This was confirmed by the increased shear strengths observed after pressing hardwood veneers with either alkaline aqueous lignin solutions or their blends with commercial phenol-formaldehyde resins. Plywood panels bonded with blends of polymerized kraft lignin and phenol-formaldehyde resins exhibited higher wood failure values compared with those bonded with phenol-formaldehyde resins alone. Extensive polymerization was achieved solely via nonoxidative thermal treatments. The impact of temperature and time on average molar mass, dispersity, and intrinsic viscosity was investigated by size-exclusion chromatography, revealing that the average molar mass of kraft lignin can be increased by more than 40 times its original value. Other critical parameters affecting the polymerization process such as pH and water content were identified, and their influence quantified. Hydroxyl content measured by
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Registered trials
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