| abstract |
(57) [Problem] To provide a wood preservative having improved injectability and stickiness to hard-to-inject wood such as larch and bay pine. A wood preservative having a wood preservative function and / or insect repellent function and the following formula (I): A wood preservative containing one or more alkylene glycol quaternary ammonium compounds represented by the formula (the meanings of symbols in the formula are as described in the specification). As a wood preservative, (1) one or more antibacterial agents selected from the group consisting of azole antibacterial agents, 3-phenylpyrrole antibacterial agents and isothiazolone antibacterial agents, (2) boron compounds, (3) antibiotics Metal compounds that release physical metal ions (Cu 2+ , Zn 2+, etc.), (4) Quaternary ammonium compounds other than the formula (I) having antiseptic properties are used. A phenolic compound is used in combination to improve the sticking property. |