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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Sumin (Composite Materials and Structures Center, Department of Chemical Engineering and Materials Science, College of Engineering, Michigan State University) Kim, Hyun-Joong (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials Science, Department of Forest Sciences, Seoul National University) Xu, Guang Zhu (Department of Forest Products, College of Forest Science, Kookmin University) Eom, Young Geun (Department of Forest Products, College of Forest Science, Kookmin University)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제35권 제5호
발행연도
2007.1
수록면
58 - 66 (9page)

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초록· 키워드

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The objective of this research was to develop environment-friendly adhesives for face fancy veneer bonding of engineered flooring. Urea-formaldehyde (UF)-tannin and melamine-formaldehyde (MF)/PVAc hybrid resin were used to replace UF resin in the formaldehyde-based resin system in order to reduce formaldehyde and volatile organic compound (VOC) emissions from the adhesives used between plywoods and fancy veneers. Wattle tannin powder (5 wt%) was added to UF resin and PVAc (30 wt%) to MF resin. These adhesive systems showed better bonding than commercial UF resin with a similar level of wood penetration. The initial adhesion strength was sufficient to be maintained within the optimum initial tack range. The standard formaldehyde emission test (desiccator method) and VOC analyzer were used to determine the formaldehyde and VOC emissions from engineered flooring bonded with commercial UF resin, UF-tannin and MF/PVAc hybrid resin. By desiccator method, the formaldehyde emission level of UF resin showed the highest but was reduced by replacing with UF-tannin and MF/PVAc hybrid resin. MF/PVAc hybrid satisfied the $E_1$ grade (below $1.5mg/{\ell}$). VOC emission results by VOC analyzer were similar with the formaldehyde emission results. TVOC emission was in the following order: UF > UF-tannin > MF/PVAc hybrid resin.

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