| 摘要 |
PURPOSE:An aqueous adhesive, obtained by incorporating an acrylic based emulsion type aqueous adhesive with a basic methine based dye, and capable of producing remarkable effect on elimination of separation of the dye or surface staining, etc. even in a porous material. CONSTITUTION:An aqueous adhesive obtained by adding a mixture of one or two or more of basic methine based dyes in an amount within 0.001-0.1wt% range to an ordinary acrylic emulsion. Not only one-pack type but also two- packed type may be obtained. In this case, the basic methine based dyes are preferably incorporated with a crosslinking agent or gelling agent.
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