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Weather-resistant red ink-jet printing water-based ink and preparation method thereof

An inkjet printing, water-based ink technology, applied in inks, printing, household appliances, etc., can solve problems such as poor weather resistance, and achieve the effect of good fluidity, high weather resistance stability, and clear text and images

Inactive Publication Date: 2011-02-02
南通海林集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a weather-resistant red ink-jet printing water-based ink, which uses a compound system of dyes, solvents, surfactants and polymers to solve the problem of poor weather resistance in existing inks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0031] A kind of preparation method of red ink of the present invention is provided below:

[0032] Step 1: Pour 2% to 4% of the red dye into a beaker, put it on a magnetic stirrer, add 90% to 97% of a solvent composed of distilled water, ethanol, glycerin and ethylene glycol butyl ether, and stir thoroughly for 3 to 5 minutes, then add 0.5% to 3% of surfactant and 0.5% to 3% of polymer, and stir for 10 to 15 minutes;

[0033] Step 2: Stir the above solution until completely dissolved;

[0034] Step 3: Filter the solution completely dissolved in the previous step with filter paper to obtain the product.

[0035] The red ink of the present invention and the commercially available red ink are respectively 12 hours, 24 hours, and 36 hours of ultraviolet light irradiation under a high-pressure mercury lamp, and then select to measure its absorbance under 600nm conditions with a 721 spectrophotometer. The following table shows the change of absorbance of red ink before and after ...

Embodiment 1

[0040] Select respectively:

[0041] NOVACRON reactive red dye 2%;

[0042] 97% solvent, composed of 76% distilled water, 6% ethanol, 12% ethylene glycol butyl ether, and 6% glycerol by weight;

[0043] 0.5% surfactant, composed of cetyltrimethylammonium bromide 5%, sodium laurylsulfonate 40%, OP-10 emulsifier 55% by weight;

[0044] The polymer is 0.5%, and the weight ratio is 25% of polyethylene glycol, 65% of polyvinylpyrrolidone, and 10% of polyvinyl alcohol 400.

[0045] Pour 2% of the red dye into a beaker, put it on a magnetic stirrer, add 97% of a solvent composed of distilled water, ethanol, glycerin and ethylene glycol butyl ether, stir thoroughly for 3 to 5 minutes, then add hexadecane Trimethyl ammonium bromide, sodium dodecyl sulfonate, OP-10 emulsifier to form 0.5% of surfactant and 0.5% of polymer composed of polyvinyl alcohol, polyvinylpyrrolidone and polyethylene glycol 400, stirring 10 to 15 minutes; until the solution is completely dissolved; filter the sol...

Embodiment 2

[0047] Select respectively:

[0048] Champacron Reactive Red Dye 4%;

[0049] 90% solvent, composed of 80% distilled water, 5% ethanol, 10% ethylene glycol butyl ether, and 5% glycerol by weight;

[0050] 3% surfactant, composed of 1% cetyltrimethylammonium bromide, 55% sodium dodecylsulfonate, and 44% OP-10 emulsifier by weight;

[0051] The polymer is 3%, and the weight ratio is 25% of polyethylene glycol 400, 55% of polyvinylpyrrolidone, and 20% of polyvinyl alcohol.

[0052] Pour 4% of the red dye into a beaker, place it on a magnetic stirrer, add 90% of a solvent composed of distilled water, ethanol, glycerin and butyl glycol ether, stir thoroughly for 3 to 5 minutes, then add hexadecane Trimethyl ammonium bromide, sodium dodecyl sulfonate, OP-10 emulsifier composed of 3% of surfactant and 3% of polymer composed of polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol 400, stirring 10 to 15 minutes; until the solution is completely dissolved; filter the solution...

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Abstract

The present invention discloses one kind of water-based red ink for ink jet printing. The water-based red ink consists of dye 2-4 wt%, solvent 90-97 wt%, surfactant 0.5-3 wt% and polymer 0.5-3 wt%. It is prepared through mixing the said components and filtering. It has high flowability high weather stability, no blocking, low cost, simple preparation process and other features, and is suitable for continuous and intermittent printing to form clear texts and images.

Description

technical field [0001] The invention belongs to the technical field of ink-jet printing, and relates to a red ink-jet printing water-based ink formulation, in particular to a weather-resistant red ink-jet printing water-based ink formulation, and also relates to a preparation method of the ink. Background technique [0002] With the rapid development of inkjet printing technology, the quality of inkjet printers has been continuously improved and improved, and the matching inkjet printing consumables are also developing rapidly. Inkjet printing ink is an important part of the inkjet printing system. Its quality and technical level directly affect the quality of inkjet printing and have become the key factors to determine the effect of inkjet printing. The quality of the ink has a lot to do with its formulation. The existing formulation system uses a simple solvent plus dye system, and its printing has the problem of poor weather resistance. Contents of the invention [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/10B41J2/01C09D11/30
Inventor 冯拉俊陆迪雷阿利
Owner 南通海林集团有限公司
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