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논문 기본 정보

자료유형
학술저널
저자정보
Kang, Chun-Won (Department of Housing Environmental Design, and Research Institute of Human Ecology, College of Human Ecology, Chonbuk National University) Jang, Eun-Suk (Department of Housing Environmental Design, and Research Institute of Human Ecology, College of Human Ecology, Chonbuk National University) Jang, Sangsik (Department of Wood Science Technology, College of Agriculture & Life Science, Chungnam National University) Kang, Ho-Yang (Department of Wood Science Technology, College of Agriculture & Life Science, Chungnam National University) Li, Chengyuan (Department of Wood Science Technology, Beihua University) Choi, In-Gyu (Program in Environmental Materials Science, College of Agriculture & Life Science, Seoul National University)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제46권 제6호
발행연도
2018.1
수록면
637 - 644 (8page)

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The air permeability of yellow poplar log cross section before and after organosolv pretreatment was investigated, and the moisture absorption of control and organosolv pretreated rectangular parallelepiped specimens was investigated in this study. It was revealed that the diameters of through pores were enlarged and the number of bigger pore was increased by the organosolv pretreatment. The air permeabilities of the cross sections of yellow poplar log were changed from 1.61 darcy to 23.30 darcy, but their weights were reduced by 5 percent. The equilibrium moisture content of control wood specimen at the exposed relative humidity were 5.9 % at 32 %, 9.7 % at 58 %, 14.8 % at 80.5 %, 19.7 % at 90 %, 25.7 % at 95 % and 29.9 % at 100%. The equilibrium moisture content of the specimens pretreated with the parameter of sulfuric acid catalyst of 0.5 % (w/w) were 19.5 % at 32 %, 29.3 % at 58 %, 39.6 % at 80.5 %, 59 % at 90 %, 111.3 % at 95 % and 111.3 % at 100 %, while those pretreated with the parameter of sulfuric acid catalyst of 1.0 % (w/w) were 17.4 % at 32 %, 23.9 % at 58 %, 27.7 % at 80.5 %, 40.6 % at 90 %, 68.8 % at 95 % and 110.0 % at 100 %. The moisture absorption of organosolv pretreated rectangular parallelepiped specimens was higher than that of control specimen.

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