| abstract |
PROBLEM TO BE SOLVED: To provide a non-chromium type rust preventive agent capable of imparting corrosion resistance higher than chromium-containing rust preventive agent and primary and secondary wood adhesiveness higher than shot blasting method to galvanized steel. (A) A thiol group-containing compound, a thiocarbonyl group-containing compound, a thiophosphoric acid, in one liter of a composition mainly composed of water and an aqueous resin or an aqueous resin mixture that is a water-based aqueous resin and / or a urethane-modified polyolefin aqueous resin. 0.2 to 50 g of one or more of group-containing compounds and sulfur, and one or more of (B) phosphate ion, phosphite ion, hypophosphite ion, condensed phosphate ion, phytate ion, and phosphonium ion Anticorrosive coating agent for bonding wood and wood-based materials containing 0.1 to 5 g of phosphorus-containing ions of |