| 摘要 |
PROBLEM TO BE SOLVED: To provide a two-liquid adhesive composition excellent in terms of water resistance, quick curability, and osmosis and a composite wooden material adhered by the two-liquid adhesive composition.SOLUTION: The two-liquid adhesive composition comprises a liquid A consisting of a mixture of: a vinyl acetate-based polymer emulsion including, as protective colloids, an acetoacetyl-modified PVA having a degree of polymerization of 400-600 and a degree of saponification of 98.5-99 mol% and an ethylene-modified PVA having a degree of polymerization of 1,600-1,800 and a degree of saponification of 97.5-99 mol%; and an isobutylene-maleic anhydride copolymer and a liquid B consisting of an aqueous dialdehyde solution. |
