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Particleboards bonded by an imidazole-based adhesive system [Elektronski vir]Scharf, Alexander ...Particleboards with different combinations of the adhesive material imidazole, citric acid, and sorbitol were produced. Softwood sawdust from a Swedish sawmill was mixed with an aqueous solution of ... the chemicals and then dried to 0% moisture content prior to pressing. The boards were pressed to a target density of 700 kg m−3 at either 200 °C or 220 °C for 10 min. The hygroscopic and mechanical properties of the boards were clearly better at 220 °C than 200 °C for all used chemical combinations. A combination of imidazole (14.4 wt%) and citric acid (11.3 wt%) led to the best results, where the thickness swelling after 24 h of water immersion was 6.3% and the internal bonding strength was 0.57 MPa. The modulus of rupture and modulus of elasticity were 3.3 MPa and 1.1 GPa, respectively. Cyclic accelerated weathering showed exceptional stability with a thickness change after boiling and drying of only 2.1% compared to the initial dry thickness. This study indicates that the presence of imidazole leads to greatly improved hygroscopic properties and good internal bonding strength when used in particleboards.Vir: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 16, iss. 22, 2023, str. 1-19)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2023Jezik - angleškiCOBISS.SI-ID - 176783875
Avtor
Scharf, Alexander |
Popescu, Carmen-Mihaela |
Dernegård, Henric |
Oja, Johan |
Ormondroyd, Graham Alan |
Medved, Sergej |
Sandberg, Dick |
Jones, Dennis, kemik
Teme
adhesion |
citric acid |
esterification |
ionic liquids |
wood composite |
lepljenje |
citronska kislina |
esterifikacija |
ionske tekočine |
lesni kompoziti |
lesni kompoziti
Avtor | Scharf, Alexander ... |
Naslov | Particleboards bonded by an imidazole-based adhesive system [Elektronski vir] |
Datum objave | |
COBISS.SI-ID | 176783875 |
Verzija objave v repozitoriju | Založnikova različica |
Licenca objave v repozitoriju | Creative Commons Priznanje avtorstva 4.0 Mednarodna |
Embargo | Ni določeno |
Projekti, iz katerih je bila financirana objava
Naziv | Akronim | Številka projekta | Financer |
---|---|---|---|
CT WOOD | 0 | ||
Multifunktionella byggskivor av sågspån | 2022- 00998 |
Datoteke, ki spadajo k objavi
Povezava |
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https://www.mdpi.com/1996-1944/16/22/7201 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=152884 |
Stroški objave
Vrsta stroška | Skupni stroški | Plačila |
---|---|---|
APC – strošek objave članka | 1246.21 € |
Vnos na polico
Trajna povezava
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Scharf, Alexander | |
Popescu, Carmen-Mihaela | |
Dernegård, Henric | |
Oja, Johan | |
Ormondroyd, Graham Alan | |
Medved, Sergej | 15410 |
Sandberg, Dick | |
Jones, Dennis, kemik | 40946 |
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