Ink composition for ink jet recording and method of producing lithographic printing plate using the same

An ink composition, a technology for ink jet recording, applied in the directions of reproduction/marking methods, inks, printing, etc.

Inactive Publication Date: 2006-01-04
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the related art including the technology disclosed in JP-A-2003-192943 cannot provide inkjet recording radiation curable ink sufficient to ensure high sensitivity and high image quality

Method used

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  • Ink composition for ink jet recording and method of producing lithographic printing plate using the same
  • Ink composition for ink jet recording and method of producing lithographic printing plate using the same
  • Ink composition for ink jet recording and method of producing lithographic printing plate using the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0224] "Preparation of Pigment Dispersions"

[0225] Dispersion 1 of each of yellow, magenta, cyan and black was prepared in the following manner. Specifically, each pigment is dispersed by using a known dispersing device under suitably adjusted dispersion conditions so that the average particle size of the pigment falls within the range of 0.2 to 0.3 μm, and then the dispersion thus obtained is filtered under heating. body, thus preparing the required dispersion 1.

[0226] (Dispersion of yellow pigment 1)

[0227] C.I. Pigment Yellow 12 10 parts by weight

[0228] Polymerized dispersant 5 parts by weight

[0229] (Solsperse Series, a product of Zeneca Inc.)

[0230] 85 parts by weight of octadecyl acrylate

[0231] (Dispersion of Magenta Pigment 1)

[0232] C.I. Pigment Red 57:1 15 parts by weight

[0233] Polymerized dispersant 5 parts by weight

[0234] (Solsperse Series, a product of Zeneca Inc.)

[0235] 80 parts by weight of octadecyl acrylate

[0236] (cyan p...

Embodiment 2 to 5

[0281] "Preparation of Ink"

[0282] Four types of magenta inks 2 to 5 were prepared in the following manner:

[0283] (magenta ink 2)

[0284] Dispersion 1 20 parts by weight of magenta pigment

[0285] 40 parts by weight of compound A-3 shown in Table 1

[0286] The bifunctional aromatic urethane acrylate shown below

[0287] (Molecular weight: 1,500) 10 parts by weight

[0288] The hexafunctional aliphatic urethane acrylate shown below

[0289] (Molecular weight: 1,000) 5 parts by weight

[0290] Polymerization initiator (IRGACURE 184, manufactured by Ciba Specialty Chemicals)

[0291] 5 parts by weight

[0292] (magenta ink 3)

[0293] Dispersion 1 20 parts by weight of magenta pigment

[0294] 50 parts by weight of compound A-18 shown in Table 1

[0295] Lactone-modified acrylates shown below

[0296] (Molecular weight: 458) 20 parts by weight

[0297] The hexafunctional aliphatic urethane acrylate shown below

[0298...

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Abstract

An ink composition for inkjet recording, capable of being cured upon radiation exposure, is provided and contains: a coloring material; and a polymerizing compound. The polymerizing compound is a specific alpha-heteromethacryl compound. A method of producing lithographic printing plate is also provided and includes: ejecting an ink composition for inkjet recording onto a hydrophilic substrate, the ink composition containing a coloring material and a polymerizing compound; and irradiating the ink composition on the hydrophilic substrate to cure the ink composition, so as to form an image.

Description

technical field [0001] The present invention relates to an ink composition for inkjet recording and a method for preparing a lithographic printing plate using the ink composition. Specifically, the present invention relates to an ink composition for inkjet recording which is very sensitive to radiation exposure, can form high-quality images and has satisfactory storage stability, and relates to a method for preparing a lithographic printing plate, This method does not require a development process and ensures a long printing life and high-quality image formation. Background technique [0002] As for an image recording method for forming an image on a recording material such as paper based on an image data signal, there are an electrophotographic method, a thermal transfer method of a sublimation type or a fusion type, and an inkjet method. Electrophotographic methods require a method of forming an electrostatic image on a photoconductor by charging and exposing, so they hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/00B41J2/01B41M1/06B41C1/10B41M5/00C09D11/037C09D11/10C09D11/101C09D11/103C09D11/106C09D11/108C09D11/322C09D11/328G03F7/027
CPCG03F7/027C09D11/101B41C1/003
Inventor 国田一人
Owner FUJIFILM CORP
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