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Pigment disperse aqueous recording liquid and printed matter

A technology of pigment dispersion and recording liquid, which is applied in printing, thin material processing, transportation and packaging, etc. It can solve the problems that pigment inks cannot achieve sufficient gloss and blackness, and achieve the effect of satisfying water resistance

Inactive Publication Date: 2009-11-25
SEIKO EPSON CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These special papers are provided with an ink-receiving layer composed of a porous layer having pores below the nanometer scale on at least one side of the printing medium, or an ink-receiving layer formed by coating a swelling polymer to give its surface Special purpose paper with smoothness like photo paper, but pigment inks cannot achieve sufficient gloss and blackness for these photo quality special papers with an ink-receiving layer on the surface

Method used

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  • Pigment disperse aqueous recording liquid and printed matter

Examples

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specific example

[0082] Specific examples of penetration solvents (penetration aids) include ethylene glycol monomethyl ether, ethylene glycol dimethyl ether, ethylene glycol monoethyl ether, ethylene glycol diethyl ether, ethylene glycol mono-n-propyl ether, Glycol monoisopropyl ether, ethylene glycol mono-n-butyl ether, ethylene glycol mono-sec-butyl ether, ethylene glycol monoisobutyl ether, ethylene glycol mono-tert-butyl ether, ethylene glycol mono-n-pentyl ether, Glycol mono-n-hexyl ether, propylene glycol monomethyl ether, propylene glycol dimethyl ether, propylene glycol monoethyl ether, propylene glycol diethyl ether, propylene glycol mono-n-propyl ether, propylene glycol monoisopropyl ether, propylene glycol mono-n-butyl ether, propylene glycol mono-sec-butyl ether, propylene glycol Monoisobutyl ether, propylene glycol mono-tert-butyl ether, diethylene glycol monomethyl ether, diglyme dimethyl ether, diethylene glycol monoethyl ether, diethylene glycol mono-n-propyl ether, diethylene ...

Embodiment 1

[0158] Use 0.8mm zirconia beads to disperse the components shown in the following Table-3 in a bead mill disperser, monitor the particle size distribution until the average dispersed particle size is 61.9nm, then perform centrifugation and filter with 5μm filter, remove coarse particles, and obtain a carbon black dispersion.

[0159] table 3

[0160] Element

Proportion

Styrene-acrylic copolymer (ji ヨ Manufactured by Inson Bolima

" ヨ nkril 683" (acid value 160mgKOH / g, molecular weight Mw

=8000) 25% by weight aqueous solution of potassium salt)

10.4 copies

ion exchange water

71.5 copies

Glycerin

5 copies

"Prokisel GXL S"

0.1

"MCF88" manufactured by Mitsubishi Chemical Corporation

13 copies

total

100 copies

[0161] ("Prokisel GXL S" is a preservative manufactured by Abishia Corporation)

[0162] After adding and mixing 26 parts of the 30% by weight ether-based polyuret...

Embodiment 2

[0164] Use 0.8mm zirconia beads to disperse the various components shown in the following Table-4 in a bead mill disperser, monitor the particle size distribution, disperse until the average dispersed particle size is 59.8nm, and then perform centrifugal separation. Filter through a filter to remove coarse particles to obtain a carbon black dispersion.

[0165] Table 4

[0166] Element

[0167] After adding and mixing 34.67 parts of the 30% by weight ether-based polyurethane resin (A) obtained in "Synthesis of Polyurethane Resin" to this carbon black dispersion, 32.5 parts of triethylene glycol monobutyl ether, 32.5 parts of glycerin, 3.25 parts Parts of "Sa-Fino-lu 465" and 122.08 parts of ion-exchanged water were used to prepare a recording solution. The recording liquid had an average dispersed particle diameter of 60 nm and a viscosity of 4.63 mPa.s. The recording liquid was evaluated according to the evaluation methods of (1) to (9) above. The evaluation res...

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Abstract

A pigment-dispersed aqueous recording liquid containing at least a pigment and a resin, characterized in that it contains 60 to 200 parts by weight of a resin relative to 100 parts by weight of a pigment, and at least one of the resins is a water-dispersible polyurethane resin, and the polyurethane The weight proportion of the polyurethane urea part in the type resin is 2.0% by weight or less relative to the polyurethane resin, and the dispersed particle size D50 of the pigment in the recording liquid is 40 to 100 nm.

Description

technical field [0001] The present invention relates to a pigment-dispersed aqueous recording liquid. More specifically, it relates to a pigment-dispersed aqueous recording liquid and a printed matter suitable for an inkjet recording liquid or a pen recording liquid. Background technique [0002] Inkjet recording is used as a printing method for photo-quality digital images due to its high resolution. Most of the photo-level inkjet recordings used in home or office use are printed on special paper or special film (both are collectively referred to as special paper), which are printed with dyes in an inkjet method. Aqueous recording liquid as a colorant is smoothly coated on a resin or an inorganic material. Because the dye is not easy to agglomerate when the recording liquid is stored for a long time, and it is not easy to block the nozzles of the ink-jet printer, it has been used as a colorant for ink-jet recording liquid for a long time. Moreover, the dye can dye the coa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/10B41J2/01C09D11/00
CPCC09D11/322Y10T428/24802
Inventor 片冈修一小柳崇垣内崇孝大屋公彦釜增诚二
Owner SEIKO EPSON CORP
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