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http://dx.doi.org/10.5658/WOOD.2020.48.4.417

Flame Retardancy of Wood Products by Spreading Concentration and Impregnation Time of Flame Retardant  

PARK, Sohyun (Division of Wood Utilization, Department of forest Products, National Institute of Forest Science)
HAN, Yeonjung (Division of Wood Utilization, Department of forest Products, National Institute of Forest Science)
SON, Dong Won (Division of Wood Utilization, Department of forest Products, National Institute of Forest Science)
Publication Information
Journal of the Korean Wood Science and Technology / v.48, no.4, 2020 , pp. 417-430 More about this Journal
Abstract
The flame retardancy, such as carbonized length and area, of four plank type wood products by the spreading concentration and impregnation time of flame retardant were measured according to standard of the Nation Fire Agency in Republic of Korea. To measure the flame retardancy, Korean pine plywood, Japanese larch plywood, Japanese cypress planks, and perforated birch plywood boards were treated with self-development flame retardant by 300 and 500 g/㎡ spreading concentration and those were compared with control specimen. In general, the flame retardant performance of wood products improved as the spreading concentration of flame retardant increased. Except for Japanese larch plywood, there was no significant difference in the flame retardant performance by the spreading concentration. The flame retardant performance of perforated birch plywood board was positively correlated up to 60 minutes of impregnation time, but then gradually decreased. These results about the flame retardancy of wood products by spreading concentration and impregnation time were expected to be basic data for improving flame-retardant treated wood.
Keywords
flame retardant; spreading concentration; impregnation time; carbonized area; carbonized length;
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Times Cited By KSCI : 10  (Citation Analysis)
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