Performance of particleboard manufactured using air-injection press I: effects of air-injection press on preventing blowout of board manufactured from low-moisture particles

An air-injection press (AIP) was developed to prevent accidental blowouts of boards during production. In this study, the effects of the AIP on preventing blowouts were investigated by artificially creating a blowout-prone condition, and the press was shown to be effective in preventing blowouts. Th...

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Bibliographic Details
Published in:Journal of wood science 2012-10, Vol.58 (5), p.423-428
Main Authors: Saotome, Hiroshi, Korai, Hideaki, Iida, Takahiko, Hamano, Tomoko, Kawarada, Kensuke, Ohmi, Masaharu
Format: Article
Language:English
Subjects:
Air injection
Biomedical and Life Sciences
Blowouts
Boards
Bond strength
Bonding strength
Characterization and Evaluation of Materials
Life Sciences
Materials Science
Modulus of rupture
Original Article
Particle board
Pilot projects
Pressing
Wood Science & Technology
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Summary:An air-injection press (AIP) was developed to prevent accidental blowouts of boards during production. In this study, the effects of the AIP on preventing blowouts were investigated by artificially creating a blowout-prone condition, and the press was shown to be effective in preventing blowouts. The modulus of rupture of the boards was almost constant irrespective of pressing time. Longer pressing time resulted in higher internal bond strength when pressed at 170 °C. The thickness swelling of the boards pressed at 170 or 190 °C was almost uniform irrespective of pressing time, and the manufactured boards showed performance similar to those manufactured with an ordinary press. The AIP prevented blowouts sufficiently even when the pressure of the injected air was reduced, and this reduction did not adversely decrease the performance of the boards. Air injection reduced formaldehyde emissions from the board.
ISSN:1435-0211
1611-4663
DOI:10.1007/s10086-012-1274-6