| 摘要 |
The invention relates to a water-based coating for lottery applications. The coating is a primer coating that is applied onto a foil layer of a lottery document that allows for the printing of an indicia image for purposes of a lottery game. The coating comprises a composition of an acrylic emulsion polymer such as Joncryl HR 1620, water, a mineral oil defoamer such as BYK-035, a finely micronized polypropylene wax such as Micropro 440W, and an acrylic emulsion binder such as Joncryl 624. The coating has low levels of volatile organic compounds and no known carcinogens. In addition, the coating still meets the specifications of the lottery and gaming industry.
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