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Ultraviolet-curing water-based inkjet ink

An inkjet ink, water-based technology, applied in ink, household utensils, applications, etc., can solve the problems of not being able to adapt to printers and high viscosity of inkjet ink, achieve the effect of accelerating drying time and printing speed, and expanding the scope of application

Active Publication Date: 2015-05-27
NANJING CHEMBRIDGE TECH MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional UV radiation curing and drying, due to the addition of a large amount of reactive diluents and photosensitive prepolymers to the ink, the inkjet ink has a high viscosity and cannot be adapted to some printers, such as office and home printers

Method used

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  • Ultraviolet-curing water-based inkjet ink
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  • Ultraviolet-curing water-based inkjet ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 15- Embodiment 22

[0053] Example 15-Example 22: Examples and Comparative Examples Ink stability and intermittent printing effect, printing fluency detection:

[0054] Tested according to national QB / T2730.1-2005 and QB / T 2730.2-2005 standards

[0055] Load the prepared ink into the Epson me1+ printer cartridge and print on plain paper.

[0056] Table 3: Stability and intermittent printing effect, printing fluency of the inks of the examples and comparative examples

[0057]

Embodiment 23- Embodiment 30

[0058] Example 23-Example 30: Comparison of the properties of the inks of the examples and the inks of the comparative examples:

[0059] Load the prepared ink into the Epson me1+ printer cartridge and print on plain paper.

[0060] Tested in accordance with national QB / T2730.1-2005, QB / T 2730.2-2005, QB / T2603-2007, GB / T13217.2-2009 standards

[0061] Water resistance test:

[0062] Detection method: Take a section of the diffusivity graded writing test paper, immerse it in deionized water, observe the fading and diffusion time of the ink, and record it. After immersion in deionized water for 24 hours, it was taken out to dry naturally, and visually compared with the contrast color standard.

[0063] Hydrochloric acid resistance test:

[0064] Detection method: Take a section of the diffusivity graded writing test paper, immerse it in 10% (volume ratio) hydrochloric acid aqueous solution for 24 hours, then immerse it in deionized water for 10 minutes, take it out and dry it...

Embodiment 31- Embodiment 38

[0081] Example 31-Example 38: Printing performance test of ink on various media

[0082] Detection method: The prepared example inks and comparative example inks were put into an Epson me1+ printer cartridge, printed on various media as described below, and the printing effect was observed.

[0083] In the table: A means the blot is clear and the effect is good. B: On behalf of the imprint is blurred, the effect is poor`. C: Represents severe blur, and the imprint cannot be seen clearly.

[0084] Table 5: Ink print results on various uncoated and unprinted coated media

[0085]

[0086] Example 33

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Abstract

The invention discloses ultraviolet-curing water-based inkjet ink. The ultraviolet-curing water-based inkjet ink at least comprises the following components in percentage by weight: 1%-12% of nanometer pigment / water-soluble pigment, 1%-5% of dispersing agent, 1%-15% of UV (Ultraviolet)-curing modified polyurethane resin emulsion (solid content), 1%-10% of photoinitiators, 20%-50% of reactive diluents, 5%-25% of humectants, 5%-15% of penetrating agents, 0%-2% of surfactants, 0%-2% of pH regulators, 0.1%-0.5% of sterilization preservative, and the balance of deionized water. The ultraviolet-curing water-based inkjet ink is characterized in that the ink has excellent storage stability and printing fluency; the ink has excellent performances including water resistance, light resistance, solvent resistance, scratch resistance, ageing resistance, high-low temperature resistance, high brightness, good adhesive strength and quick curing speed, is suitable for various printers to print various uncoated and nonprinting coating media, hydrophobic and oily media, and is wide in application area.

Description

technical field [0001] The invention relates to an inkjet ink, in particular to a UV-cured water-based inkjet ink. Background technique [0002] Due to its strong advantages, inkjet printing has made significant progress through nearly 30 years of development. It has been used in digital printing, digital printing, digital images, office documents, outdoor inkjet printing, surface decoration and other fields, providing human production and life. convenient. Water-based inkjet ink is favored by people because of its environmental protection and wide application range. [0003] Disadvantages of water-based inkjet inks were found with increased use and expanded scope. For example, if the printer has been out of use for a long time, it is easy to block the nozzle; the ink on the paper is not scratch-resistant, dull and dull; it cannot print coated paper, plastic, glass, etc.; it cannot print hydrophobic and oily media; the paper needs to be specially coated layer to adapt; th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/30
Inventor 鲁继烈
Owner NANJING CHEMBRIDGE TECH MATERIAL
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