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Utilization of partially liquefied bark for production of particleboards
ID Jiang, Wen (Avtor), ID Adamopoulos, Stergios (Avtor), ID Hosseinpourpia, Reza (Avtor), ID Žigon, Jure (Avtor), ID Petrič, Marko (Avtor), ID Šernek, Milan (Avtor), ID Medved, Sergej (Avtor)

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Izvleček
Bark as a sawmilling residue can be used for producing value-added chemicals and materials. This study investigated the use of partially liquefied bark (PLB) for producing particleboard with or without synthetic adhesives. Maritime pine (Pinus pinaster Ait.) bark was partially liquefied in the presence of ethylene glycol and sulfuric acid. Four types of particleboard panels were prepared with a PLB content of 4.7 %, 9.1 %, 20 %, and 33.3 %, respectively. Another five types of particleboard panels were manufactured by using similar amounts of PLB and 10 wt.% of melamine-urea-formaldehyde (MUF) adhesives. Characterization of bark and solid residues of PLB was performed by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and automated vapor sorption (AVS). Mechanical and physical properties of the particleboard were tested according to the European standards EN 310 for determining modulus of elasticity and bending strength, EN 317 for determining thickness swelling after immersion in water, and EN 319 for determining internal bond strength. The results showed that the increase in PLB content improved the mechanical strength for the non-MUF boards, and the MUF-bonded boards with up to 20 % of PLB met the requirements for interior uses in dry conditions according to EN 312. The non-MUF boards containing 33.3 % of PLB and the MUF-bonded boards showed comparable thickness swelling and water absorption levels compared to the reference board.

Jezik:Angleški jezik
Ključne besede:bark, bonding, partial liquefaction, MUF adhesives, water vapor sorption, thickness swelling, wood-based panels
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Leto izida:2020
Status objave pri reviji:Objavljeno
Verzija članka:Založnikova različica članka
Št. strani:14 str.
Številčenje:Vol. 10, iss. 15, art. 5253
PID:20.500.12556/RUL-134313 Povezava se odpre v novem oknu
UDK:630*8
ISSN pri članku:2076-3417
DOI:10.3390/app10155253 Povezava se odpre v novem oknu
COBISS.SI-ID:24100355 Povezava se odpre v novem oknu
Datum objave v RUL:05.01.2022
Število ogledov:192
Število prenosov:63
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Applied sciences
Skrajšan naslov:Appl. sci.
Založnik:MDPI
ISSN:2076-3417
COBISS.SI-ID:522979353 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.08.2020

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:skorja, lepljenje, delno utekočinjen les, MUF lepilo, absorpcija vode, debelinski nabrek, leseni ploščni kompoziti

Projekti

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Formas
Številka projekta:942-2016-2
Naslov:Utilization of renewable biomass and waste materials for production of environmental-friendly, bio-based composites

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