Ink material and preparation method thereof

Abstract

The invention relates to an ink material and a preparation method thereof. The ink material is prepared by mixing the following components in parts by weight: 1-20 parts of charcoal dust, 1-20 parts of a shell-lac resin, 0.1-10 parts of a celluosic resin, 40-90 parts of more than 50%(v/v) ethanol, 3-20 parts of water and 0.1-2 parts of a conductive agent. The ink material is prepared from edible materials, thereby being reliably used; the visibility is good, the visibility of used transparent dye is not reduced for food in dull color, clear printed patterns can be formed, black pigment is not dissolved but is clear and bright even being soaked; the preparation method is simple, dispersed charcoal dust can be obtained, the technical problem that the shell-lac resin in the conventional ink is low in dissolution property is solved, and the stability of the ink and the constant typing of a printer are ensured, so that the ink material is applicable to requirements of large-scale industrial production.

Description

technical field [0001] The invention relates to the field of ink production, in particular to an ink material and a preparation method thereof. Background technique [0002] In recent years, food and packaging materials must be marked with the place of production, the producer and the production process. In addition, the labeling of the shelf life and production date of the food is also necessary. Moreover, with this kind of information, the product can gain the trust of consumers. Starting from this point, the sales volume of food can also increase in an appropriate amount. [0003] The processing of food packaging materials, including text, patterns, designs, etc., is also an important factor for consumers to purchase products. When printing food directly, inks made of edible materials can be used. For printing on packaging materials, using edible inks will give you more peace of mind. From this point of view, the most ideal ink should be an ink material composed of fo...

AI Technical Summary

Problems solved by technology

[0004] However, there are very few types of such ink materials, and compared with ordinary inks, it is difficult to prepare them.

Traditionally, inks made of food additives are well-known as water-soluble dyes. Such inks have poor water resistance due to pigments dissolved in water, and cannot be used for foods that come into contact with water. For foods with strong colors, they are too transparent and the concentration is not enough.