Actinic ray curable inkjet ink and image recording method using same

一种光化射线、固化型的技术，应用在复制/标记方法、油墨、应用等方向，能够解决溶解性低、射出性低等问题，达到高牢固性、高射出性的效果

Active Publication Date: 2016-08-31
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the gelling agents of Patent Documents 1 and 2 have a problem of low ejectability in a high-temperature state due to their low solubility in curable compounds and the like contained in the ink.

Method used

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  • Actinic ray curable inkjet ink and image recording method using same
  • Actinic ray curable inkjet ink and image recording method using same
  • Actinic ray curable inkjet ink and image recording method using same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0209] 1) Preparation of Pigment Dispersion 1 (M: Magenta)

[0210] The following dispersant, actinic ray-curable compound, and polymerization inhibitor were put into a stainless steel beaker, heated on a hot plate at 65° C., and dissolved under heating and stirring for 1 hour. After cooling the obtained solution to room temperature, 21 parts by mass of the following magenta pigment 1 was added, put into a glass bottle together with 200 g of zirconia beads with a diameter of 0.5 mm, sealed, and dispersed with a paint shaker for 8 hours. Thereafter, the zirconia beads were removed to prepare Pigment Dispersion Liquid 1 having the following composition.

[0211] [Composition of Pigment Dispersion Liquid 1]

[0212] Dispersant: AJISPER PB824 (manufactured by Ajinomoto Fine-Techno Co., Ltd.) 9 parts by mass

[0213] Actinic ray curable compound: 70 parts by mass of APG-200 (tripropylene glycol diacrylate, manufactured by Shin-Nakamura Chemical Co., Ltd.)

[0214] Inhibitor: Irg...

Embodiment 2～8

[0235] Except having changed to the ink composition shown in Table 1, it carried out similarly to Example 1, and prepared the ink.

Embodiment 9～16

[0237] Except having changed to the ink composition shown in Table 2, it carried out similarly to Example 1, and prepared the ink.

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Abstract

The purpose of the present invention is to provide an actinic ray curable inkjet ink which, in an inkjet printing method, is capable of having both high pinning characteristics and high ejection characteristics. In order to achieve the above purpose, this actinic ray curable inkjet ink includes an actinic ray curable compound, ketone wax, and ester wax, and reversibly goes through a sol-gel phase transition depending on the temperature.

Description

technical field [0001] The present invention relates to an actinic ray curable inkjet ink and an image recording method using the same. Background technique [0002] Since the inkjet recording method can easily and inexpensively form an image, it is used in various printing fields. As one of the inkjet recording methods, there is an ultraviolet curable inkjet method in which droplets of an ultraviolet curable ink are landed on a recording medium, and then cured by irradiating ultraviolet rays to form an image. The ultraviolet curing inkjet method has attracted attention in recent years because it can form an image with high rub resistance and adhesiveness even on a recording medium without ink absorption. [0003] In addition, high-speed recording in an ultraviolet curing inkjet method, such as a single-pass recording method or a small-pass high-speed serial method, is being studied. However, when performing high-speed recording, since the distance between adjacent ink dro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/101B41J2/01B41M5/00
CPCB41M7/0081C09D11/101C09D11/12C09D11/38B41J11/0015
Inventor 前田晃央森智史池田征史高林敏行岩田崇饭岛裕隆
Owner KONICA MINOLTA INC
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