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Utilization of partially liquefied bark for production of particleboards [Elektronski vir]Jiang, Wen, kemik ...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.Vir: Applied sciences [Elektronski vir]. - ISSN 2076-3417 (Vol. 10, iss. 15, 2020, str. 1-14)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2020Jezik - angleškiCOBISS.SI-ID - 24100355
Avtor
Jiang, Wen, kemik |
Adamopoulos, Stergios |
Hosseinpourpia, Reza |
Žigon, Jure |
Petrič, Marko, 1962- |
Šernek, Milan |
Medved, Sergej
Teme
skorja |
lepljenje |
delno utekočinjen les |
MUF lepilo |
absorpcija vode |
debelinski nabrek |
leseni ploščni kompoziti |
bark |
bonding |
partial liquefaction |
MUF adhesives |
water vapor sorption |
thickness swelling |
wood-based panels
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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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Jiang, Wen, kemik | |
Adamopoulos, Stergios | |
Hosseinpourpia, Reza | |
Žigon, Jure | 37804 |
Petrič, Marko, 1962- | 00395 |
Šernek, Milan | 16382 |
Medved, Sergej | 15410 |
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