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Ink composition

A composition and ink technology, applied in the directions of inks, household appliances, applications, etc., can solve the problems of corrosion and damage of inkjet heads, blockage of nozzles, etc., and achieve the effect of enhanced printing, multiple economic benefits, and avoidance of damage.

Inactive Publication Date: 2008-12-31
MICROJET TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the high-viscosity ink can improve the problem of ink smearing or penetration, the addition of solvents will cause corrosion and damage to the inkjet head. Furthermore, the addition of polymers will cause problems such as clogging or nozzle head

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0020] ingredients Weight percent concentration

[0021] R180 1~15%

[0022] DEG 1~25%

[0023] NDAO 1~20%

[0024] Pannox 122A 1~25%

[0025] Phosphate buffer

[0026] (phosphate buffer) 1~20%

[0027] Antibacterial agent (biocide) 1~10%

[0028] Deionized water (DI water) 55~90%

[0029] Among them, R180 is a red dye, DEG is a solvent and NDAO and Pannox 122A (nonyl phenolpolyethylene oxide; C=nonyl phenol; EO=22) are surfactants.

example 2

[0031] ingredients Weight percent concentration

[0032] DY86 1~15%

[0033] A23 1~15%

[0034] DEG 1~25%

[0035] 15-S-7 1~20%

[0036] Pannox 122A 1~25%

[0037] Phosphate buffer

[0038] (phosphate buffer) 1~20%

[0039] Antibacterial agent (biocide) 1~10%

[0040] Deionized water (DI water) 55~90%

[0041] Among them, DY86 and A23 are dyes, DEG is solvent and 15-S-7 and Pannox 122A are surfactants.

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PUM

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Abstract

An ink composition for ink-jet printer contains dye for giving colour to ink, solvent for dissolving the said dye, and interfacial agent with high EO mole number for improving the viscosity of ink, and effectively preventing implicated dyeing of ink and reducing the degree of water permeation.

Description

[technical field] [0001] The present invention relates to an ink composition, especially an ink composition for an inkjet printer. [Background technique] [0002] The output of computer data is usually represented by a screen or a printer. The common types of printers are dot matrix printers, inkjet printers, and laser printers. Different types of printers have different applications depending on the needs of their use. Among them, the inkjet printer has the advantages of low price and good printing effect, so it has become the mainstream equipment of computer aids. [0003] However, when inkjet printers are printing, when the ink adheres to the medium (usually paper, but it may also be film or other materials), there is often a problem of ink staining or ink seeping into the medium, resulting in a problem that the printing quality cannot be improved. In view of this, in the previous Taiwan Patent Application No. 87100744, the applicant proposed to add an aromatic compound ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/02C09D11/30
Inventor 莫自治吕宜境黄昶胜薛捷筠饶丽雯
Owner MICROJET TECH