| 摘要 |
PURPOSE:To provide the title adhesive which has excellent resistance to cracking by drying on the surface of a fancy veneer and does not cause staining on that surface caused by the exudation of the adhesive toward said surface, consisting of a specified resin emulsion and an amino resin. CONSTITUTION:Vinyl acetate is copolymerized with 0.5-20wt.% N- methylolacrylamide and 0.1-8wt.% acrylate (e.g., methyl acrylate) in the presence of a catalyst in an aq. medium to obtain a resin emulsion (A). 100pts.wt. (on a solid basis) component A is blended with 1-200pts.wt. amino resin (B) (e.g., a urea/melamine copolymer resin) and optionally a filler (e.g., wheat flour), a water-soluble extender (e.g., PVA), a curing agent (e.g., tartaric acid), etc., (C) to obtain an adhesive for laminating fancy veneers, which has a viscosity of 50-500P at 25 deg.C.
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