Browse > Article
http://dx.doi.org/10.5658/WOOD.2015.43.6.810

Evaluation of Pretreatment Moisture Content and Fixation Characteristics of Treated Wood for Pressure Treatment of Yellow Poplar Skin Timber with ACQ, CUAZ and CuHDO  

Kim, Min-Ji (BK21 Plus Eco-Leader Education Center, Korea University)
Choi, Yong-Seok (Division of Wood Engineering, Department of Forest Products, Korea Forest Research Institute)
Kim, Gyu-Hyeok (Division of Environmental Science and Ecological Engineering, College of Life Sciences and Biotechnology, Korea University)
Publication Information
Journal of the Korean Wood Science and Technology / v.43, no.6, 2015 , pp. 810-817 More about this Journal
Abstract
This study was conducted to evaluate the pressure treatment characteristics of yellow poplar skin timber with ACQ-2, CUAZ-3, and CuHDO-1. The effect of moisture content (MC) on treatability was investigated, and fixation characteristics of copper-based preservatives were also evaluated. Sapwood of yellow poplar, which was dried below 50 percent MC, was fully penetrated with preservatives, and minimum requirement of preservative retention for the hazard class H3 was achieved. Through measuring retention gradient in yellow poplar sapwood, it was confirmed that minimum requirement of preservative retention for the hazard class H3 was achieved in the assay zone from the surface to 15 mm-depth when the specimens were dried below 30 percent MC. Yellow poplar heartwood did not meet the minimum requirement of penetration and retention for the hazard class H3 over the range of pretreatment MCs tested. The fixation rate of copper was much faster under drying condition compared with nondrying condition; more than 90% of copper were fixed in 3 weeks at $21^{\circ}C$ under drying conditions.
Keywords
yellow poplar; skin timber; treatability; moisture content; fixation characteristics; copper based preservatives;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 American Wood Protection Association. 2005. Standard methods for analysis of wood and wood treating solutions by inductively coupled plasma emission spectrometry. AWPA A20-03, AWPA, Grandbury, TX, U.S.A.
2 Choi, Y.-S., S.-M. Oh, G.-H. Kim. 2011. Evaluation of pretreatment moisture content and fixation characteristics of treated wood for pressure treatment of Japanese red pine and Japanese larch skin timber with ACQ, CUAZ, and CuHDO. Journal of Korean Wood Science and Technology 39(6): 481-489.   DOI
3 Cooper, P.A., Ung, Y.T. 2009. Effect of preservative type and natural weathering on preservative gradients in southern pine lumber. Wood and Fiber Science 41(3): 229-235.
4 Hassler, C.C., Slahor, J.J., Gardner, D.J. 1999. A comparison of the treatability of southern yellow pine to five Appalachian hardwoods. Forest Products Journal 49(2): 89-93.
5 Hassler, C.C, Slahor, J.J., DeGroot, R.C., Gardner, D.J. 1998. Preservative treatment evaluation of five Appalachian hardwoods at two moisture contents. Forest Products Journal 48(7/8): 37-42.
6 Korea Forest Research Institute (KFRI). 2011. Standard methods for wood preservation. Notification No. 2011-04 of the Korea Forest Research Institute.
7 Korea Forest Research Institute (KFRI). 2006. Standard methods for measuring penetration and retention of preservtive-treated wood. Notification No. 2006-04 of the Korea Forest Research Institute.
8 MacNamara, W.S. 1989. CCA fixation experiments-Part 1. The International Research Group on Wood Protection. Document No. IRG/WP/3504. Stockholm, Sweden.
9 Ruddick, J.N.R. 1996. The fixation chemistry of copper in basic preservative systems. American Wood Preservers' Association Proceedings 92: 32-49.
10 Slahor, J.J., Hassler, C.C., DeGroot, R.C., Gardner, D.J. 1997a. Preservative treatment evaluation with CCA and ACQ-B of four Appalachian wood species for use in timber transportation structures. Forest Products Journal 47(9): 33-42.
11 Slahor, J.J., Hassler, C.C., DeGroot, R.C., Gardner, D.J. 1997b. Preservative treatment evaluation of red maple and yellow poplar with ACQ-B. Forest Products Journal 47(4): 50-54.
12 Thomason, S.M., Pasek, E.A. 1997. Amine copper reaction with wood components: acidity versus copper adsorption. The International Research Group on Wood Protection. Document No. IRG/WP 97-30161. Stockholm, Sweden.
13 Zhang, J., Kamdem, D.P. 2000. FTIR characterization of copper ethanolamine-wood interaction for wood preservation. Holzforschung 54(2): 119-122.   DOI
14 Ung, T.Y., Cooper, P.A. 2006. Stabilization of Alkaline Copper Quaternary (ACQ). Wood Preservatives. Wood Protection 2006. New Orelans, LA, USA.
15 Ung, T.Y., Cooper, P.A. 2005. Copper stabilization in ACQ-D treated wood: retention, temperature and species effects. Holz als Roh- und Werkstoff 63: 186-191.   DOI