| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Willför, Stefan
Åbo Akademi University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2022Injectable thiol-ene hydrogel of galactoglucomannan and cellulose nanocrystals in delivery of therapeutic inorganic ions with embedded bioactive glass nanoparticlescitations
- 2022Injectable thiol-ene hydrogel of galactoglucomannan and cellulose nanocrystals in delivery of therapeutic inorganic ions with embedded bioactive glass nanoparticlescitations
- 2022The Hydrophobicity of Lignocellulosic Fiber Network Can Be Enhanced with Suberin Fatty Acids
- 2022Digital light processing (DLP) 3D-fabricated antimicrobial hydrogel with a sustainable resin of methacrylated woody polysaccharides and hybrid silver-lignin nanospherescitations
- 2021On Laccase-Catalyzed Polymerization of Biorefinery Lignin Fractions and Alignment of Lignin Nanoparticles on the Nanocellulose SurfaceviaOne-Pot Water-Phase Synthesiscitations
- 2021Bio-Based Hydrogels With Ion Exchange Properties Applied to Remove Cu(II), Cr(VI), and As(V) Ions From Watercitations
- 2021Removal of nafcillin sodium monohydrate from aqueous solution by hydrogels containing nanocellulosecitations
- 2021On Laccase-Catalyzed Polymerization of Biorefinery Lignin Fractions and Alignment of Lignin Nanoparticles on the Nanocellulose Surface via One-Pot Water-Phase Synthesiscitations
- 2021Removal of nafcillin sodium monohydrate from aqueous solution by hydrogels containing nanocellulose:An experimental and theoretical studycitations
- 2020Tailored thermosetting wood adhesive based on well-defined hardwood lignin fractionscitations
- 2020The Hydrophobicity of Lignocellulosic Fiber Network Can Be Enhanced with Suberin Fatty Acidscitations
- 2020Larch wood residues valorization through extraction and utilization of high value-added productscitations
- 2019The Hydrophobicity of Lignocellulosic Fiber Network Can Be Enhanced with Suberin Fatty Acidscitations
- 2018Novel biorenewable composite of wood polysaccharide and polylactic acid for three dimensional printingcitations
- 2017Mild oxalic-acid-catalyzed hydrolysis as a novel approach to prepare cellulose nanocrystalscitations
- 2016Softwood-based sponge gelscitations
- 2016Development of nanocellulose scaffolds with tunable structures to support 3D cell culturecitations
- 2015Tailor-made hemicellulose-based hydrogels reinforced with nanofibrillated cellulosecitations
- 2015Composite films of nanofibrillated cellulose and O-acetyl galactoglucomannan (GGM) coated with succinic esters of GGM showing potential as barrier material in food packagingcitations
- 2014Impact of torrefaction on the chemical structure of birch woodcitations
- 2011Oxidation of lignans and lignin model compounds by laccase in aqueous solvent systemscitations
- 2010Comparison of microencapsulation properties of spruce galactoglucomannans and arabic gum using a model hydrophobic core compoundcitations
- 2008Films from spruce galactoglucomannan blended with poly(vinyl alcohol), corn arabinoxylan, and konjac glucomannan
- 2008Kinetics of acid hydrolysis of water-soluble spruce O-acetyl galactoglucomannanscitations
Places of action
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article
Tailored thermosetting wood adhesive based on well-defined hardwood lignin fractions
Abstract
By aiming at tailoring the bonding strength of a thermosetting lignin-containing phenol-formaldehyde (LPF) wood adhesive, different fractions of an industrial hardwood alkaline lignin have been prepared through sequential solvent fractionation ( i -PrOH, EtOH, and MeOH). Those fractions were comprehensively characterized by GPC, GC, Py/GC–MS, and NMR techniques. Lignin fractions with low molar mass and narrow dispersity, including the i -PrOH-soluble and EtOH-soluble ones, were of high purity and had more reactive sites for LPF adhesive synthesis and better accessibility due to lower degree of condensation than the high molar mass ones. Some recalcitrance of integrating high molar mass fractions covalently into the PF adhesive was observed, which was also true in the case of lignin phenolation. The tailored bonding strength of the LPF adhesive, tested by gluing wood pieces, provided strong evidence for molecular structure–performance correlation; the i -PrOH-PF had the lowest activation energy, the highest curing enthalpy, and the strongest bonding strength of 2.16 MPa. This study demonstrates a clear structure–property-application relationship of technical hardwood lignin in the LPF adhesive field, which might pave the way for a more effective bulk valorization.