Non-aqua-system pigment ink for ink jet

A non-aqueous, non-aqueous solvent technology, applied in the direction of ink, applications, household appliances, etc., can solve the problems of roller transfer pollution, ink viscosity increase, and performance difficulties, etc., to achieve high printing density, reduce cross-printing, prevent The effect of transfer contamination

Active Publication Date: 2015-04-22
RISO KAGAKU CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in general, once a solid resin is added to the ink, the viscosity of the ink increases, and roller transfer contamination is prone to occur
As a result, there are two problems that are difficult to balance

Method used

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  • Non-aqua-system pigment ink for ink jet
  • Non-aqua-system pigment ink for ink jet
  • Non-aqua-system pigment ink for ink jet

Examples

Experimental program
Comparison scheme
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Embodiment

[0059] Hereinafter, although an Example demonstrates this invention in detail, this invention is not limited to these.

[0060]

[0061]Mix 50% by mass of each solid resin shown in Table 1 with 50% by mass of methyl oleate (EXCEPARL "M-OL" produced by Kao Corporation), heat to 120°C, and dissolve it while stirring to obtain a composition as follows: Resin solutions shown in Table 2 and Table 3. In addition, the resin solution of Example 6 is a mixture of C5 / C9 aliphatic / aromatic hydrocarbon resin A and C5 aliphatic hydrocarbon resin in a mass ratio of 1:1, 50% by mass and methyl oleate 50% by mass mixed.

[0062] Table 1

[0063] [Table 1] Details of solid resin

[0064]

[0065]

[0066] The pigments, pigment dispersants, and non-aqueous solvents were premixed in the formulations shown in Table 2 and Table 3, and then dispersed for 4 hours using a swing mill (manufactured by SEIWA GIKEN Co., Ltd.) to obtain pigment dispersions. After mixing the obtained pigment...

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Abstract

The invention provides non-aqua-system pigment ink for ink jet advantaged by prevention of transfer print pollution, high printing concentration, and reduction of strike-through. The non-aqua-system pigment ink for ink jet comprises acid modified petroleum olefin resin, pigment, and non-aqua-system solvent.

Description

technical field [0001] The invention relates to a non-aqueous pigment ink for inkjet. Background technique [0002] The inkjet recording method is a method in which highly fluid inkjet ink is ejected in the form of ink particles from fine nozzles (head nozzles) to record an image on a recording medium such as paper provided opposite to the nozzles. In particular, since high-speed printing can be performed using a line head type inkjet recording device having a plurality of inkjet heads, it has rapidly become popular in recent years. [0003] Inks used in such inkjet recording methods include so-called non-aqueous pigment inks in which pigments are dispersed in non-aqueous solvents. The non-aqueous pigment ink for inkjet is not the ink itself dried and solidified on the paper, but the ink penetrates into the inside of the paper to dry. Restoration, etc.) are good, there is no curling of the paper, and the penetrating and drying time of the ink is short. [0004] In non-aqu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/322B41J2/01B41M5/00C09D11/00C09D11/326C09D11/36C09D11/38
Inventor 本山恭子青木聪
Owner RISO KAGAKU CORP
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