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Active energy ray-curable inkjet ink

An active energy ray, inkjet ink technology, applied in inks, household appliances, applications, etc., can solve the problems of deterioration of discharge stability, deterioration of transparency of printed matter, destruction of dispersion state, etc., to achieve the effect of excellent dispersion stability

Active Publication Date: 2021-12-31
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 above-prepared active energy ray-curable inkjet inks were each filled into glass containers with a capacity of 20 mL so that the filling rate became 90% of the container capacity, and then stored in an airtight and light-shielded state at 60°C for 7 days. sky. Then, press filtration was performed using a metal mesh with an opening of 3 μm, and residues on the metal mesh were washed with methyl ethyl ketone. Then, the washed metal mesh was observed with a microscope at 500 times, and the number of precipitates remaining on the metal mesh was counted. The evaluation criteria are as follows, and 3 or more are made into 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 precipitates

[0153] ...

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PUM

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Abstract

Provided is an active energy ray-curable inkjet ink containing C.I. Pigment yellow 150, which has excellent dispersion stability, and also has curability, adhesion to a base material, discharge stability and transparency. An active energy ray-curable inkjet ink containing C.I. Pigment yellow 150, an aromatic ring-containing monofunctional monomer, an N-vinyl compound, and a siloxane-based surfactant having a molecular weight of 400-20,000, the total amount of the compounds represented by general formula 1 being 100 ppm or less. (In general formula 1, R1 and R2 each independently represent 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 batch of printing and the diversification of demand, the popularization of digital printing method is developing rapidly. In addition, since plate making is unnecessary in the digital printing method, cost reduction and miniaturization of the printing apparatus can be achieved. [0003] Inkjet printing, which is a type of digital printing, is a method in which fine droplets of ink are flown and landed on a recording medium from an inkjet head, and an image or character is formed on the recording medium to obtain a printed matter. Compared with other digital printing methods, it is superior in the size and cost of printing equipment, running costs during printing, and ease of full-color conversion, and its use in industrial printing applications has also been promoted in recent years. [0004] In addition, the ink used in the inkjet p...

Claims

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Application Information

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Patent Type & Authority Applications(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