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- Title
Retention of silafluofen in wood-based composites after supercritical carbon dioxide impregnation.
- Authors
Muin, Musrizal; Tsunoda, Kunio
- Abstract
The retention of silafluofen in wood-based composites treated using supercritical carbon dioxide (SC-CO2) as a carrier was determined chemically. Specimens of five commercially available structural-use wood-based composites (medium density fiber-board, hardwood plywood, softwood plywood, particleboard, and oriented strand-board) were treated with 4 g of silafluofen dissolved in 20 ml ethanol under nine SC-CO2 treatment conditions: temperatures of 35°, 45°, and 55°C and pressures of 7.85, 9.81, and 11.77 MPa. The middle length of each silafluofen-treated composite was cut, divided into face and core sections, and separately milled for chemical analyses. Laboratory tests to determine the termiticidal efficacy of silafluofen using sugi (Cryptomeria japonica D. Don) blocks prepared by vacuum-soak impregnation supported the notion that a sufficient amount of silafluofen was transported into the wood-based composite under these treatment conditions to protect them against termite attack.
- Publication
Forest Products Journal, 2004, Vol 54, Issue 12, p168
- ISSN
0015-7473
- Publication type
Academic Journal