Ink composition for ink jet recording

An ink composition and inkjet recording technology, applied in inks, applications, household appliances, etc., can solve the problems of image bleeding, uneven aggregation, low permeability, etc., and achieve the effect of excellent blocking recovery

Inactive Publication Date: 2011-05-25
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when water-based pigment inks generally used in inkjet recording are used, ink permeability to recording media (printing paper) may be low, and bleeding and uneven aggregation may occur in images.

Method used

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  • Ink composition for ink jet recording
  • Ink composition for ink jet recording
  • Ink composition for ink jet recording

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0158] Hereinafter, the present invention will be described in more detail through examples, but the present invention is not limited by these examples.

[0159]

[0160] Each component was mixed according to the composition in Table 1 below, and filtered through a 10 μm membrane filter to prepare each ink. The numerical values ​​in Table 1 below represent the content (% by mass) in the ink. In addition, resin represents content (mass %) of solid content. In addition, the oxyethyl acrylate resins (oxyethyl resins) in Table 1 below contain oxyethyl acrylate structures represented by CAS No. 72009-86-0 at a monomer composition ratio of about 75% by mass. Monomer, resin with a molecular weight of 6900.

[0161] The fluorene-based resin (fluorene resin) is a resin having a molecular weight of 3,300 containing a monomer having a fluorene skeleton represented by CAS No. 117344-32-8 at a monomer constitutional ratio of about 50% by mass.

[0162] In addition, the surfactant used...

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Abstract

The invention provides an ink composition, which can realize images advantaged by no bleeding or edge curling, high quality, and high gloss, under the circumstance that the ink composition uses printing paper such as coated paper and even under the circumstance that printing with particularly small drain time difference is performed, even when the ink composition is placed in a high-temperature low-humidity open environment and in a high-temperature common-humidity closed environment, blocking revering performance is good. The ink composition for ink jet recording at least includes a coloring material, water, a sparingly water-soluble alkanediol, a crystalline sugar alcohol solid below 20 DEG C., and a (poly)alkylene glycol.

Description

technical field [0001] The present invention relates to an inkjet recording ink composition capable of obtaining high-quality and high-gloss recorded matter even on various recording media, particularly synthetic paper and printing paper, such as recording media with low ink water absorption. Background technique [0002] The inkjet recording method is a printing method in which small ink droplets are scattered and adhered to a recording medium such as paper to perform printing. Due to the revolutionary development of inkjet recording technology in recent years, the inkjet recording method has also been used in the field of high-definition printing by silver halide photography and offset printing. Accompanied by this, a high-gloss recording medium comparable to printing paper and art paper used in the field of silver halide photography and offset printing, so-called special paper, has been developed for inkjet recording, and it is possible to achieve a performance comparable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/02B41J2/01B41M5/00C09D11/00C09D11/30C09D11/322C09D11/326C09D11/328C09D11/38
CPCC09D11/38C09D11/322
Inventor 小金平修一佐藤广法山本伸一
Owner SEIKO EPSON CORP
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