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Inkjet printing acidic ink suitable for industrial nozzles and preparation method thereof

An inkjet printing and acid ink technology, applied in the ink field, can solve the problems of acid ink versatility, poor smooth performance, hindering the popularization and application of head acid ink, poor ink stability, etc.

Active Publication Date: 2016-03-23
深圳市墨库图文技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, most of the inks used in digital inkjet printing are reactive inks, but the use of reactive inks has certain limitations. Reactive inks cannot be used for nylon, but for wool, cashmere and silk. The density and fluffiness after printing are far inferior to acid ink
However, commonly used acid inks are difficult to prepare high-concentration acid dye inks because the solubility of acid dyes is lower than that of reactive dyes, and the higher the concentration of acid dyes, the worse the stability of the ink. In addition, acid inks have poor versatility and fluency, so they cannot be used. For industrial nozzles, it cannot meet the needs of industrial production
The above problems have greatly hindered the popularization and application of head acid ink, and it is of great significance to develop an inkjet printing acid ink suitable for industrial nozzles.

Method used

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  • Inkjet printing acidic ink suitable for industrial nozzles and preparation method thereof
  • Inkjet printing acidic ink suitable for industrial nozzles and preparation method thereof
  • Inkjet printing acidic ink suitable for industrial nozzles and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh 45.6 parts by mass of deionized water, 0.1 parts by mass of defoamer SUFYNOLDF-110D, 0.7 parts by mass of gas chemical surfactant 465, 0.3 parts by mass of Nissin Chemical's surfactant E1010, 0.1 parts by mass Triethanolamine, 0.1 parts by mass of 1,2-benzisothiazolin-3-one, 15 parts by mass of caprolactam, 18 parts by mass of ethylene glycol, 5 parts by mass of 2-pyrrolidone, 2 parts by mass of amino acid humectants , 0.1 parts by mass of dithiocarbamate derivatives, 13 parts by mass of acid black 172 were put into a container and stirred, and stirred at a high speed of 500 rpm for 60 minutes, filtered the stirred material, and used sequentially with a pore size of 1.0 μm Filter element, 0.45μm filter element, 0.22μm filter element perform 3-stage filtration. And the ink is degassed, and the oxygen content is required to be below 3.0ppm to obtain the finished acidic black ink.

Embodiment 2

[0023] Weigh 43.35 parts by mass of deionized water, 0.1 parts by mass of defoamer 104E, 1 part by mass of gas chemical surfactant 485, 0.3 parts by mass of Nissin Chemical's surfactant EXP.4300, 0.05 parts by mass Lithium hydroxide, 0.1 parts by mass of 1,2-benzisothiazolin-3-one, 20 parts by mass of caprolactam, 18 parts by mass of dipropylene glycol, 2 parts by mass of diethylene glycol, 2 parts by mass of amino acid humectants , 0.1 parts by mass of dithiocarbamate derivatives, 2 parts by mass of C.I. Acid Blue 180 are put into a container and stirred at a high speed of 500rpm for 60 minutes, the stirred material is filtered, and the pore size is 1.0 3-stage filtration with μm filter element, 0.45μm filter element, and 0.22μm filter element. And the ink is degassed, and the oxygen content is required to be below 3.0ppm to obtain the finished acidic blue ink.

Embodiment 3

[0025] Weigh 20 parts by mass of deionized water, 0.1 parts by mass of antifoaming agent 104E, 0.1 parts by mass of gas chemical surfactant 420, 0.3 parts by mass of Dow Chemical surfactant EH6, 0.3 parts by mass of Japanese letter Chemical surfactant EXP.4300, 0.1 mass parts of 3-morpholine propanesulfonic acid, 0.1 mass parts of 4-chloro-3-methylphenol, 1 mass part of polyether polyol, 22 mass parts of propylene glycol, 21 parts by mass of ethylene glycol, 2 parts by mass of 1,6-hexanediol, 1 part by mass of amino acid humectant, 0.1 parts by mass of dithiocarbamate derivatives, 3 parts by mass of C.I. acid red 131 was put into a container and stirred, and stirred at a high speed of 500rpm for 60 minutes, and the stirred material was filtered, and three-stage filtration was performed using a filter element with a pore size of 1.0 μm, a filter element of 0.45 μm, and a filter element of 0.22 μm in sequence. And the ink is degassed, and the oxygen content is required to be bel...

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Abstract

The invention discloses inkjet printing acidic ink suitable for industrial nozzles and a preparation method thereof. The ink comprises an acidic dye, a solubilizer, a surfactant, an organic solvent, a moisturizer, water and the like. The solubilizer is at least one selected from polyether polyol, caprolactam, and an ethylene oxide-epoxypropane copolymer; the surfactant includes at least two selected from EH-6, EH-9 and the like; the moisturizer is an amino acid moisturizer; and a defoamer is at least one selected from SUFYNOL DF-110D, BYK-094 and 104E. By means of the solubilizer, solubility of the acidic dye in the ink is effectively increased and flowability and jet-ability of the ink in an ink path and the nozzle are improved. The surfactant combination having low contact angle and low dynamic surface tension enables the ink to have better flatting and wetting properties. The combination of the solubilizer, the surfactant and the moisturizer enables the ink to have better universality and to be smoother, so that the ink is suitable for the industrial nozzles.

Description

technical field [0001] The invention relates to the technical field of ink, in particular to an inkjet printing acid ink suitable for industrial nozzles and a preparation method thereof. Background technique [0002] Digital inkjet printing technology is a new textile printing technology. It uses special dye ink or pigment ink to print directly on textiles through inkjet printer. Compared with traditional printing technology, digital inkjet printing technology has the advantages of no need for plate making, saving dye Chemical materials, energy saving and water saving, short cycle, energy saving and emission reduction, rich colors, etc., are ecological and environmentally friendly clean production technologies, meeting the requirements of environmental protection, low carbon and sustainable development of the printing and dyeing industry. Now domestic textile printing enterprises are faced with the pressure of shortening delivery time, improving product quality, reducing inv...

Claims

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Application Information

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IPC IPC(8): C09D11/38C09D11/30C09D11/328D06P1/39D06P1/645D06P1/642D06P1/651D06P5/30
CPCC09D11/30C09D11/328C09D11/38D06P1/39D06P1/6426D06P1/645D06P1/65118D06P5/30
Inventor 梁日军王首斌
Owner 深圳市墨库图文技术有限公司
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