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Laser paper printing ink and preparation method thereof

A technology of laser paper and ink, which is applied in the field of packaging, can solve the problems of less research on the performance of the ink itself, and achieve the effects of being conducive to drying, solving poor compatibility, and improving antibacterial properties

Inactive Publication Date: 2019-05-21
宜昌金兴新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, existing solutions to the problem of color exposure are mostly studied from the perspective of improving the process and paper moisture content, but less research is done on the performance of the ink itself

Method used

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  • Laser paper printing ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A laser paper ink, said laser paper ink comprises the following components by weight: 15-20 parts of water-based acrylic resin, 10-20 parts of water-based polyurethane resin, 10-18 parts of dipropylene glycol diacrylate, 15-20 parts of pigment 20 parts, 6-10 parts of nano-titanium dioxide, 2-4 parts of nano-zinc oxide, 8-10 parts of filler, 14-20 parts of reactive diluent, 3-5 parts of photoinitiator, 1-3 parts of photosensitizer, 0.1 parts of auxiliary agent -0.2 parts.

[0029] Preferably, the photoinitiator is a-hydroxycyclohexylbenzophenone or a-hydroxyisopropylbenzophenone;

[0030] The photosensitizer is triethanolamine or N-methyldiethanolamine;

[0031] Described reactive diluent is ethanol;

[0032] The auxiliary agent is composed of organosilicon defoamer and diacetone alcohol in a mass ratio of 1:(0.3-0.8).

[0033] Preferably, the filler is composed of talcum powder and calcium carbonate according to a mass ratio of 1:(0.5-0.8), and the particle size of t...

Embodiment 2

[0045]A laser paper ink, said laser paper ink comprises the following components in parts by weight: 18 parts of water-based acrylic resin, 15 parts of water-based polyurethane resin, 15 parts of dipropylene glycol diacrylate, 17 parts of pigment, 8 parts of nano-titanium dioxide, 3 parts of nano zinc oxide, 8.5 parts of filler, 16 parts of reactive diluent, 4 parts of photoinitiator, 2 parts of photosensitizer, and 0.15 part of auxiliary agent.

[0046] Preferably, the photoinitiator is a-hydroxycyclohexylbenzophenone or a-hydroxyisopropylbenzophenone;

[0047] The photosensitizer is triethanolamine or N-methyldiethanolamine;

[0048] Described reactive diluent is ethanol;

[0049] The auxiliary agent is composed of silicone defoamer and diacetone alcohol in a mass ratio of 1:0.5.

[0050] Preferably, the filler is composed of talcum powder and calcium carbonate in a mass ratio of 1:0.6, and the particle size of the filler is 200-300 mesh.

Embodiment 3

[0052] Others are the same as in Example 2, except that the laser paper ink also includes the following components in parts by weight: 0.07 parts of yeast dextran.

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Abstract

The invention relates to laser paper printing ink and a preparation method thereof. The laser paper printing ink comprises the following ingredients (by weight): 15-20 parts of waterborne acrylic resin, 10-20 parts of waterborne polyurethane resin, 10-18 parts of dipropylene glycol diacrylate, 15-20 parts of a pigment, 6-10 parts of nanometer titanium dioxide, 2-4 parts of nano-zinc oxide, 8-10 parts of a filler, 14-20 parts of a reactive diluent, 3-5 parts of a photoinitiator, 1-3 parts of a photosensitizer, and 0.1-0.2 part of an auxiliary agent. The invention is beneficial for the ink to adhere to the surface of a printed material by the surface tension at the initial stage of drying; and in the drying process of the printing ink which is thoroughly adhered to the surface of the printedmaterial by solvent volatilization and penetration into the printed material, the formed net structure can make the solvent to be volatilized at a proper drying rate. In addition, due to high viscosity, cohesiveness of the printing ink penetrating through the printed material can be improved, and the color exposure problem is reduced.

Description

technical field [0001] The invention belongs to the technical field of packaging, and relates to a laser paper ink and a preparation method thereof. Background technique [0002] During paper making and processing, laser holographic patterns or characters are loaded onto the surface of aluminum-coated cardboard by molding to form laser paper. Laser paper consists of three parts: base paper, aluminum layer and coating. UV ink is one of the key elements of laser paper packaging printing. Its many physical and chemical properties, such as drying performance, optical properties, resistance performance and water content, have a great impact on the final quality of printed matter. Color exposure refers to the phenomenon that the colored layer attached to the surface of the printed matter is broken. This phenomenon is most likely to appear at the position of the beer line of the printed matter. It will not only affect the aesthetics of the printed matter, but also reduce the qual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/107C09D11/102C09D11/03
Inventor 华发春
Owner 宜昌金兴新材料有限公司
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