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Pigment style ink jet composition with reduced vagueness

A composition and compound technology, applied in inks, household appliances, applications, etc., can solve problems such as the phenomenon of feathering not mentioned

Inactive Publication Date: 2003-09-03
BENQ CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In addition, U.S. Patent No. 6,231,654 also mentions the addition of nitrogen-containing heterocyclic compounds in inkjet ink compositions, and points out that such compounds include 2-pyrrolidones such as 2-pyrrolidone or N-hydroxyethyl-2-pyrrolidone compound, but because its ink composition belongs to organic solvent ink, it is different from the solution ink of the present invention, and the purpose of adding this type of compound is to increase the adhesion of ink and hydrophobic (hydrophobic) recording medium, but wherein there is no No mention of improvements regarding feathering

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The ink composition of embodiment 1 is mixed by each composition in the following table:

[0024] Add concentration

[0025] Ingredient Compound Name

[0026] (weight%)

[0027] Dispersing pigment AcryJet Black 375 (Rohm & Haas) 7.0

[0028] Humectant Glycerin (Glycerin, Adrich) 6.0

[0029] Ethylene glycol monobutyl ether 1.5

[0030] Organic solvents

[0031] (Ethylene Glycol mono-butyl ether, Adrich)

[0032] Polyethylene glycol 900 6.0

[0033] Polymer organic solvent

[0034] (Polyethylene Glycol 900, Adrich)

[0035] 2-Pyrrolidones 2-Pyrrolidone (Adrich) 2.5

[0036] Fungicide Mergal K7 (Clariant) 0.5

Embodiment 2

[0038] The ink composition of embodiment 2 is to be mixed by each composition in the following table:

[0039] Add concentration

[0040] Ingredient Compound Name

[0041] (weight%)

[0042] Dispersing pigment AcryJet Black 375 (Rohm & Haas) 7.0

[0043] Humectant Glycerin (Glycerin, Adrich) 6.0

[0044] Ethylene glycol monobutyl ether

[0045] Organic solvent 1.5

[0046] (Ethylene Glycol mono-butyl ether, Adrich)

[0047] polyethylene glycol 900

[0048] Polymer organic solvent 6.0

[0049] (Polyethylene Glycol 900, Adrich)

[0050] 1.5% 2-Pyrrolidone (Adrich)

[0051] 2-Pyrrolidones 2.5

[0052] 1% N-methyl-2-pyrrolidone (Adrich)

[0053] Fungicide Mergal K7 (Clariant) 0.5

[0054] Solvent Dei...

Embodiment 3

[0056] The ink composition of embodiment 3 is to be mixed by each composition in the following table:

[0057] Add concentration

[0058] Ingredient Compound Name

[0059] (weight%)

[0060] Dispersing Pigment AcryJet Black 357(Rohm & Haas) 7.0

[0061] Humectant Glycerin (Glycerin, Adrich) 6.0

[0062] Ethylene glycol monobutyl ether

[0063] Organic solvent 1.5

[0064] (Ethylene Glycol mono-butyl ether, Adrich)

[0065] polyethylene glycol 900

[0066] Polymer organic solvent 6.0

[0067] (Polyethylene Glycol900, Adrich)

[0068] 2-pyrrolidones N-methyl-2-pyrrolidone (Adrich) 2.5

[0069] Fungicide Mergal K7 (Clariant) 0.5

[0070] Solvent Deionized water 76.5

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PUM

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Abstract

An ink composition with less eclosion phenomenon for ink-jet printer contains at least one dispersive pigment, aqueous solution medium and 2-pyrrolidone compound. It can improve print quality.

Description

field of invention [0001] The invention relates to an ink-jet ink composition, and in particular to a pigment-type ink-jet ink which can effectively control the line width of printed patterns and reduce feathering. Background of the invention [0002] Inkjet printing technology has been developed for many years. The main advantages of this type of printer are low price, low noise, and good full-color printing quality. It can also use general paper, special printing paper, and special transparencies. a. [0003] Generally speaking, the inks used in the inkjet printing technology can be classified into dye inks and pigment inks, which are classified according to the color components in the inks. Pigments are related to the color system of the ink. The dyes are easy to dissolve in water and show brighter colors, but usually lack good light resistance; moreover, because of their good water solubility, they cannot have good Therefore, when the inkjet prin...

Claims

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Application Information

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IPC IPC(8): C09D11/38
Inventor 沈昱璋钱嘉欣林郁庭
Owner BENQ CORP
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