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Water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional code and preparation method of water-based fluorescent color paste

A fluorescent color paste and two-dimensional code technology, which is applied in the field of invisible anti-counterfeit two-dimensional code water-based fluorescent color paste and its preparation field, can solve the problems of complex process, strong specificity, and many raw materials in the formula, and achieve simplified preparation steps and good The effect of stability and fluency

Inactive Publication Date: 2020-09-01
ZHEJIANG NAMEI MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many raw materials in the formula, the process is more complicated, and the specificity is strong

Method used

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  • Water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional code and preparation method of water-based fluorescent color paste
  • Water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional code and preparation method of water-based fluorescent color paste
  • Water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional code and preparation method of water-based fluorescent color paste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional codes, prepared from the following components in parts by mass:

[0037] Blue invisible powder (composition: CaS:Dy3) 5 parts;

[0038] Polymer dispersant (BYK-190) 15 parts;

[0039] 0.2 parts of pH regulator (triethylamine);

[0040] 79.6 parts of deionized water;

[0041] Defoamer TEGO 810 0.2 parts;

[0042] According to the proportions of the above-mentioned embodiments, the method steps of preparing the water-based fluorescent color paste for the invisible anti-counterfeiting two-dimensional code are as follows:

[0043] 1) Preparation of raw materials: mix polymer dispersant, deionized water, fluorescent powder, pH regulator, and defoamer in proportion;

[0044] 2) Pre-dispersion: Pre-disperse the raw materials for 1 hour at the speed of 800r / min~1000 / min through the disperser;

[0045] 3) Grinding: Grind the color paste obtained in step 2) with a sand mill, and take samp...

Embodiment 2

[0050] A water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional codes, prepared from the following components in parts by mass:

[0051] Blue invisible powder (ingredient: CaS:Dy3) 10 parts;

[0052] Polymer dispersant (BYK-9152) 15 parts;

[0053] 0.2 parts of pH regulator (monoethanolamine);

[0054] 74.6 parts of deionized water;

[0055] 0.2 parts of defoamer SN-1355;

[0056] The method steps of the invisible anti-counterfeiting two-dimensional code water-based fluorescent color paste according to the ratio of the above-mentioned embodiment are as follows:

[0057] 1) Preparation of raw materials: mix polymer dispersant, deionized water, fluorescent powder, pH regulator, and defoamer in proportion;

[0058] 2) Pre-dispersion: Pre-disperse the raw materials for 1 hour at a speed of 1000 / min through a disperser;

[0059] 3) Grinding: Grind the color paste obtained in step (2) with a sand mill, and take samples to test the particle size ev...

Embodiment 3

[0064] A water-based fluorescent color paste for an invisible anti-counterfeit two-dimensional code and a preparation method thereof, which is prepared from the following components in parts by mass:

[0065] Red invisible powder (composition: CaS:Eu2) 20 parts;

[0066] Polymer dispersant (BYK-9151) 4 parts;

[0067] 0.2 parts of pH regulator (triethylamine);

[0068] 75.6 parts of deionized water;

[0069] 0.2 parts of defoamer L8;

[0070] The method steps of the invisible anti-counterfeiting two-dimensional code water-based fluorescent color paste according to the ratio of the above-mentioned embodiment are as follows:

[0071] 4) Preparation of raw materials: mix polymer dispersant, deionized water, fluorescent powder, pH regulator, and defoamer in proportion;

[0072] 5) Pre-dispersion: Pre-disperse the raw materials through a disperser at a speed of 800r / min to 1000 / min for 1 hour;

[0073] 6) Grinding: Grind the color paste obtained in step (2) with a sand mill, a...

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Abstract

The invention relates to water-based fluorescent color paste for an invisible anti-counterfeiting two-dimensional code and a preparation method of the water-based fluorescent color paste, and belongsto the field of anti-counterfeiting ink. The water-based fluorescent color paste for the invisible anti-counterfeiting two-dimensional code comprises 10-40 parts of fluorescent dye, 1-20 parts of a polymeric dispersant, 0.1-1 part of a pH regulator, 0.1-1 part of an auxiliary agent and 30-90 parts of deionized water. According to the water-based fluorescent color paste for the invisible anti-counterfeiting two-dimensional code and the preparation method of the water-based fluorescent color paste of the invention, safe and environment-friendly fluorescent dye and dispersing auxiliaries are adopted, so that the production process of the water-based fluorescent color paste is non-toxic, free of pungent smell, green and low in pollution. When an existing fluorescent dye is used for manufacturing anti-counterfeiting ink, the fluorescent dye is directly added, and as result, a large amount of dust is generated, and dispersity and particle size control is poor. With the water-based fluorescent color paste for the invisible anti-counterfeiting two-dimensional code and the preparation method of the water-based fluorescent color paste adopted, the problems in the prior art can be solved. Theprepared fluorescent color paste serves as a raw material of ink to participate in ink preparation, and therefore, ink preparation steps are simplified, and the prepared ink can be suitable for various code spraying printers, does not block a spray head and has good stability and fluency.

Description

technical field [0001] The invention belongs to the field of anti-counterfeiting inks, and in particular relates to a water-based fluorescent color paste for invisible anti-counterfeiting two-dimensional codes and a preparation method thereof. Background technique [0002] Invisible two-dimensional code anti-counterfeiting technology refers to the use of colorless invisible consumables (such as fluorescent ink, fluorescent toner, fluorescent ribbon, infrared ink, etc.) to output two-dimensional barcodes by printing or printing. It is an automatic identification technology that is invisible to the naked eye, and only special reading devices can interpret the encrypted information in the QR code in this state. Anti-counterfeiting ink can be divided into ultraviolet anti-counterfeiting, infrared anti-counterfeiting and so on according to the excitation light. Among them, ultraviolet anti-counterfeiting ink is the most widely used, and it is made of ultraviolet-excited fluoresc...

Claims

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Application Information

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IPC IPC(8): C09D17/00C09D11/328C09D11/50
CPCC09D17/004C09D11/328C09D11/50
Inventor 豆莞莞何贵平赵磊王群
Owner ZHEJIANG NAMEI MATERIAL TECH
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