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uv gravure ink for aramid paper

A technology of gravure ink and aramid paper, which is applied in the field of UV gravure ink for aramid paper, which can solve the problem of thermal shock resistance, water boiling resistance, weather resistance, unsuitable mechanical properties, and the scratch resistance test cannot meet the requirements and affect the overall coating. Physical properties and other issues, to achieve the effect of good wettability, good hardness and chemical resistance, and low brittleness

Active Publication Date: 2019-12-20
SUZHOU BETELY POLYMER MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The UV-type matte ink printed on a rotary machine can meet the test requirements in all properties, but its pre-printing preparation is complicated, and it can only be printed in a narrow width of 30cm-40cm, which is low in efficiency and cannot meet customer needs; while another A type of UV-type matte ink that uses gravure printing, although it can print in a width of 100cm-120cm, its physical properties are poor, especially the alcohol resistance test and the scratch resistance test cannot meet the requirements
[0007] In addition, the degree of ultraviolet drying and curing of existing UV inks is not enough
After being cured by a UV machine, it usually only reaches surface dryness, and deep curing is difficult, which leads to shrinkage of the paint film surface, cracks and orange peel phenomenon, while the deep layer of the paint film is not cured, which affects the overall physical properties of the coating, especially with The adhesion of the substrate is very poor, and the thermal shock resistance, boiling resistance, weather resistance, and mechanical properties are not suitable for the requirements of computer keyboards

Method used

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  • uv gravure ink for aramid paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] According to the composition in Table 1, according to the following steps, five sets of UV gravure matte inks for aramid paper were prepared.

[0042] First, add a photoinitiator and an organic solvent into the ink mixing vessel, stir evenly with a stirrer until there are no particles, then add monomers, stir for 10 minutes, and then add resin (containing polyurethane acrylate, polyester acrylate, modified ring Oxygen acrylate, matte urethane acrylate, etc.), stirred for 30 minutes, then added matting powder and stirred for 30 minutes, then added organic solvent, stirred for 10 minutes, and finally discharged, sealed, packaged, and the finished product was UV gravure matte for aramid paper. light ink.

[0043] Table 1 Specific formula of UV gravure matte ink for aramid paper

[0044]

Embodiment 2

[0046] Print the above UV matte ink on aramid paper with a black background, and use UV radiation to cure the film, and the UV energy is (250-350) mj / cm 2 , and tested the properties of the coating film according to the standards in Table 2, and the specific test results are shown in Table 3.

[0047] figure 1 It is the appearance diagram of the cured product of Example 1. It can be seen that the cured product of the present invention is smooth and smooth without bright lines or bright spots.

[0048] figure 2 It is the comparative photo figure before (left) and back (right) of the scratch resistance test after the product of embodiment two is cured, image 3 It is a comparison photo before (left) and back (right) of the scratch resistance test of the existing ink product after curing; it is obvious that the product of the present invention has no scratches in the scratch resistance test after curing.

[0049] Figure 4 Before (left) and back (right) comparative photo fig...

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Abstract

The invention discloses a UV gravure ink for aramid paper. Firstly, add a photoinitiator and an organic solvent into an ink mixing vessel, stir evenly with a stirrer until there are no particles, then add monomer, stir for 10 minutes, and then add resin (including urethane acrylate, polyester acrylate, modified epoxy acrylate, etc.), stirring for 30 minutes, then adding matting powder and stirring for 30 minutes, then adding organic solvent, stirring for 10 minutes, and finally discharging, sealing, packaging, and finished products. UV gravure matte ink for Lun paper. The invented UV gravure ink for aramid paper has reasonable composition, good coordination of each component, excellent comprehensive performance of the system, and the viscosity is suitable for screen printing, and the storage property is good. The system of the present invention does not need additives and other components, avoiding its adverse effects on product appearance and light-shielding properties; and after only one printing, at a thickness of 7-8 microns, it meets the requirements of product alcohol resistance and scratch resistance, and has achieved Unexpected technical effects.

Description

technical field [0001] The invention relates to the technical field of inks, in particular to a UV gravure ink for aramid paper, which can be used for gravure printing and has excellent alcohol resistance and scratch resistance. Background technique [0002] Generally, ultraviolet light refers to invisible light waves with a wavelength in the range of 0-400nm, and the wavelength of ultraviolet light used in UV curing is 200-400nm. UV curing is ultraviolet curing. UV is the English abbreviation of ultraviolet. Curing refers to the process of changing a substance from a low molecular weight to a high molecular weight. The photoinitiator in the liquid UV material is stimulated by using the medium and short wavelengths of UV ultraviolet light under UV radiation. It becomes a free radical or a cation, thereby triggering the polymer material (resin) containing active functional groups to polymerize into an insoluble and infusible solid coating film. It is a new technology that eme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/101C09D11/102C09D11/104C09D11/03
CPCY02P20/10
Inventor 祝强徐宏雷有金高显波
Owner SUZHOU BETELY POLYMER MATERIALS CO LTD