| abstract |
The invention discloses an offset printing cold wave coating giving consideration to both large field and fine lines and a preparation method thereof, wherein the coating comprises a release coating, a color layer coating and a protective adhesive coating; the release comprises the following components: 1-10% of oleophylic fumed silica, 0.1-5% of stripping auxiliary agent, 1-20% of acrylic resin, 5-30% of cellulose resin and 50-89% of solvent; the color layer coating comprises the following components: 10-30% of acrylic resin, 0.1-2% of polyurethane resin and 68-88% of solvent; the protective adhesive coating comprises the following components: 10-20% of acrylic resin, 1-20% of tackifying resin, 1-10% of oleophylic fumed silica and 50-88% of solvent. According to the invention, by comprehensively regulating and controlling the release layer, the color layer and the protective glue layer coating, the developed product can realize both large-field and fine line hot stamping, and is loose in stripping, high in hot stamping speed, low in cost and suitable for large-scale popularization and use. |