Effects of surface laminate type and recycled fiber content on properties of three-layer medium density fiberboard
- 노정관; Muhammad Adly Rahandi Lubis; Min-Kug Hong; Chang Hyun Sohn; Byung-Dae Park
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- Taylor and Francis Ltd.firstname.lastname@example.org
- Wood Material Science and Engineering, v.15, no.3, pp.163 - 171
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- Wood Material Science and Engineering
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- High global production of medium-density fiberboard (MDF) in recent years could generate an equal quantity of waste MDF at the end of its service life, requiring recycling of waste MDF instead of landfilling or incineration. This study investigated effects of the addition of recycled fiber (RF) obtained from surface laminated MDFs with three different materials to the properties of three-layer recycled MDF (rMDF). Three types of surface laminates such as low-pressure laminate, polyethylene terephthalate, and polyester coating were hammer milled, and then went through a patent-pending fiber recovery system to obtain the resultant RFs that were added to the core layer of rMDF. These RFs at three contents (10, 20, and 30%) were blended with 12% of urea-formaldehyde (UF) resin prior to hot-pressing. Statistical analysis showed that the best internal bonding strength, modulus of rupture, and modulus of elasticity of rMDF panels were obtained for LPL-rMDF with a 20% RF content. Thickness swelling, water absorption, and formaldehyde emission of rMDF were reduced by increasing the RF content. These findings suggest that a minimum RF content of 20% can be replaced with virgin fibers for the rMDF manufacture, indicating the feasibility of recycling waste laminated MDF into three-layer rMDF.
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- 건설환경공과대학 > 인테리어재료공학과 > Journal Articles
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