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Active Energy Ray Curable Inkjet Ink

A technology of active energy rays and inkjet inks, applied in inks, household utensils, applications, etc., can solve problems such as deterioration of discharge stability, deterioration of transparency of printed matter, destruction of dispersion state, etc., and achieve the effect of excellent dispersion stability

Active Publication Date: 2022-07-26
TOYO INK SC HOLD CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inventors of the present invention conducted research and found that even with these measures, the dispersion state of C.I. Pigment Yellow 150 in the active energy ray-curable inkjet ink is destroyed, and it is considered that the dispersion state is caused by Destruction, deterioration of transparency of printed matter and deterioration of discharge stability may occur

Method used

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  • Active Energy Ray Curable Inkjet Ink
  • Active Energy Ray Curable Inkjet Ink
  • Active Energy Ray Curable Inkjet Ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～63、 comparative example 1～7

[0145] The active energy ray-curable inkjet ink obtained above was evaluated by the following method. The evaluation results are shown in Table 2.

[0146]

[0147] The active energy ray-curable inkjet ink prepared above was filled into glass containers with a capacity of 20 mL so as to have a filling rate of 90% of the container capacity, and then stored in a sealed and light-shielded state in an environment of 60° C. for 7 days. sky. Then, pressure filtration was performed using a metal mesh with an opening of 3 μm, and the residue on the metal mesh was washed with methyl ethyl ketone. Then, the washed metal mesh was observed under a microscope at 500 times, and the number of precipitates remaining on the metal mesh was counted. The evaluation criteria were as follows, and 3 or more was set as a practical range.

[0148] 5: No precipitate

[0149] 4: 1 to 3 precipitates

[0150] 3: 4 to 5 precipitates

[0151] 2: 6 to 9 precipitates

[0152] 1: 10 or more precipitate...

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PUM

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Abstract

The present invention provides an active energy ray-curable inkjet ink containing C.I. Pigment Yellow 150, which is excellent in dispersion stability, has curability, substrate adhesion, discharge stability, and transparency. An active energy ray-curable inkjet ink, which contains C.I. Pigment Yellow 150, a monofunctional monomer containing an aromatic ring, an N-vinyl compound, and a siloxane-based surfactant with a molecular weight of 400 to 20,000, the following general formula: The total amount of the compound represented by Formula 1 is 100 ppm or less. General formula 1 to 1 (in general formula 1, R 1 and R 2 Each independently represents an amino group or a hydroxyl group. ).

Description

technical field [0001] The present invention relates to an active energy ray-curable inkjet ink. Background technique [0002] With the small batches of printing and the diversification of needs, the popularity of digital printing is developing rapidly. In addition, since plate making is not required in the digital printing method, cost reduction and miniaturization of the printing apparatus can be achieved. [0003] The inkjet printing method, which is one of the digital printing methods, is a method in which minute droplets of ink are made to fly and land on a recording medium from an inkjet head, and images or characters are formed on the recording medium to obtain a printed matter. Compared with other digital printing methods, it is excellent in the size and cost of the printing apparatus, the running cost during printing, and the easiness of full colorization, and its use in industrial printing applications has been promoted in recent years. [0004] In addition, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/322C09D11/38
CPCC09D11/322C09D11/38
Inventor 今野有香里樱井敏正正时睦子
Owner TOYO INK SC HOLD CO LTD