Varnish for water-borne anti-counterfeiting ink and water-borne anti-counterfeiting ink prepared by varnish

A varnish and water-based technology, which is applied in the ink field, can solve the problems of poor weather resistance, poor storage stability, and easy plugging of water-based anti-counterfeiting inks, and achieve strong dispersion and packaging capabilities, prevent storage stability, and solve the problems of easy plugging screens Effect

Active Publication Date: 2013-10-16
中山市中益油墨涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a varnish for water-based anti-counterfeiting inks, which can effectively solve the problem of easy blockage, poor weather resistance and poor storage stability of water-based anti-counterfeiting inks in the printing process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0027] The first step, the preparation of varnish

[0028] Add 20-25 parts of pure water, 40-45 parts of water-based polyurethane resin, 5-7 parts of propylene glycol, 3-5 parts of water-based film-forming plasticizer, and 0.2-0.5 parts of A34 defoamer into the mixing tank, leveling and wetting 0.5-1 part of agent, after adding, place the material in a high-speed mixer for stirring, add 20-25 parts of nano-calcium carbonate while stirring, and 0.5-1 part of thickener (the speed of feeding is 500-1500r / min), and stir for 15 minutes after adding, until it is completely stirred evenly.

[0029] The second step is to deploy water-based anti-counterfeiting scratch-off inks with various effects

[0030] 1. Water-based scraping silver ink

[0031] Add 6-10 parts of propylene glycol, 1-3 parts of 806 wax slurry, and 12-15 parts of water-based silver powder in the mixing tank. After adding, put the materials in the mixer and stir slowly to make them fully wet and even; add ink after...

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PUM

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Abstract

The invention relates to varnish for water-borne anti-counterfeiting ink and water-borne anti-counterfeiting ink prepared by varnish. The varnish for water-borne anti-counterfeiting ink consists of the following components in parts by weight: 20 to 25 parts of purified water, 40 to 45 parts of water-borne polyurethane resin, 5 to 7 parts of propylene glycol, 3 to 5 parts of a water-borne film forming plasticizer, 0.2 to 0.5 part of a defoaming agent, 0.5 to 1 part of a leveling wetting agent, 20 to 25 parts of nano-calcium carbonate and 0.5 to 1 part of a thickening agent CP-80. The preparation method of the varnish comprises the following steps of: stirring the purified water, the water-borne polyurethane resin, the propylene glycol, the film forming plasticizer, the A34 defoaming agent and the leveling wetting agent in a high-speed stirrer; adding the nano-calcium carbonate and the thickening agent while stirring, and keeping on stirring for 15 minutes until the mixture is completely and uniformly stirred. The water-borne anti-counterfeiting ink has the advantages of plug prevention, good weather resistance and good storage stability.

Description

technical field [0001] The invention belongs to the technical field of inks, and more specifically relates to a varnish used for water-based anti-counterfeiting inks and water-based anti-counterfeiting inks prepared therefrom. technical background [0002] Scratch card refers to a coating on the card that covers numbers and letter passwords, so scratch card is also called password-coated card, account card or account password card. There are many varieties of scratch cards, widely used in the market are prize-winning scratch cards, peel-off cards, recharge cards, password cards, consumer coupons, point cards and so on. [0003] Most of the scratch card anti-counterfeiting inks used in the market are solvent-based inks, which are made of organic solvents (such as: toluene, xylene, cyclohexanone, anti-white water, etc.), EVA resin, fillers, pigments, additives, etc. They are all flammable, explosive and toxic chemicals. During construction and use, organic solvents are volati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/10C09D11/03C09D11/102
Inventor 刘国雄
Owner 中山市中益油墨涂料有限公司
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