Generally referred to as gold powder copper and zinc alloy powder. Although this kind of powder is printed on the fabric with bright luster, it is easy to be oxidized by the air after a long time to make the color dull and lose the original luster. Plus improper selection, the gold powder particles are thicker, which is likely to cause plugging when used in screen printing , And the cost is large, so imitation gold powder printing appears. Imitation gold powder printing is to use a pearlescent adhesive to replace gold powder printing. Commonly used pearlescent adhesives are Ryudye Wpeard Binder M-20 from Dainippon Ink Company. The adhesive is off-white high-viscosity paste, and the main components are acrylic latex and luminous body.
When the adhesive is used, in addition to adding pigments as needed, no other additives are needed. Due to the high viscosity, if it is directly used in production, it is more difficult to print, and it must be diluted with water. After testing, the effect of using A state pulp as a thinner is not as good as water dilution. Adding 10% water can basically meet the printing needs.
The color paste prescription for imitation gold powder printing is: 8204 golden FGR60g, 8206 orange FGR2.5g, 8501 black FBRN0.4g, water 100g, M-20 pearlescent adhesive xg, synthetic 1000g. The color fixing process uses baking at 150 ℃ for 3min.
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