Screen printing plate manufacturing process for anti-counterfeiting printing
The invention discloses a screen printing plate manufacturing process for anti-counterfeiting printing. The screen printing plate manufacturing process specifically comprises the following steps of (1), preparing anti-counterfeiting printing paste; (2) preparing a printing screen printing plate; (3)...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a screen printing plate manufacturing process for anti-counterfeiting printing. The screen printing plate manufacturing process specifically comprises the following steps of (1), preparing anti-counterfeiting printing paste; (2) preparing a printing screen printing plate; (3) carrying out printing and dyeing on a printed material; and (4) drying the printed material after printing and dyeing to obtain the anti-counterfeiting printing plate, the anti-counterfeiting printing paste is prepared from modified spirooxazine-polyurethane microcapsule emulsion which is preparedby adopting an in-situ polymerization method, an adhesive and a thickening agent, and the photochromic microcapsule emulsion comprises the following raw materials of, in parts by weight, 25 to 40 parts of N-carboxyethyl spirooxazine, 25 to 40 parts of bisphenol A, 30 to 40 parts of polyethylene glycol, 70 to 90 parts of toluene diisocynate, 2 to 5 parts of emulsifier, 10 to 15 parts of ethylene glycol, 1 to 3 parts of dib |
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