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High-performance water-based epoxy ink and preparation method thereof

A water-based epoxy and water-based epoxy emulsion technology, used in inks, household appliances, applications, etc., can solve the problems of paper shrinkage, poor gloss, and no resistance to ethanol, and achieve stable performance, fast drying, and good solvent resistance. Effect

Inactive Publication Date: 2012-12-05
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Whether it is imported water-based ink or domestic water-based ink, there are disadvantages such as no alkali resistance, no resistance to ethanol, no water resistance, slow drying, poor gloss, easy to cause paper shrinkage, etc., to overcome the above shortcomings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Weigh the following raw materials by weight unit: water-based epoxy emulsion 45, Lisol Red 30, water 12, water-based wetting and dispersing agent DisponerW-922 0.8, DisponerW-18 1.2, surfactant DisponerW-469 1.2, defoamer 0.5 , ethanol 1.5, ammonia regulator 0.8, water-based epoxy curing agent 7.

[0028] According to the above quality, use water-based epoxy emulsion as the linking material, 5g of water, pigment, dispersant, wetting agent, ammonia water, and defoamer, stir and mix evenly, then grind for 1-2 hours, and add ammonia water every half hour Adjust the PH value and test the fineness of the grinding until the pigment reaches the required fineness, and filter through a sieve to make component A;

[0029] According to the quality in the formula, dilute the water-based epoxy curing agent and the remaining water into component B, and then add component B to component A to prepare a water-based ink that can be used directly.

[0030] The performance of the water-ba...

Embodiment 2

[0034] Weigh the following raw materials by weight unit: water-based epoxy emulsion 55, phthalocyanine blue 25, water 11, water-based wetting and dispersing agent DisponerW-922 1.2, DisponerW-97000 0.8, DisponerW-920 1, surfactant DisponerW-4691.2, ethanol 3. Ethanolamine 1, defoamer 0.8, water-based epoxy curing agent 9.

[0035] According to the above quality, use water-based epoxy emulsion as the linking material, add 5g of water, pigment, dispersant, wetting agent, ammonia water, and defoamer in sequence, stir and mix evenly, then grind for 1-2 hours, and add Ammonia water and test the fineness of grinding until the pigment reaches the required fineness, then filter through a sieve to make component A;

[0036] According to the quality in the formula, dilute the water-based epoxy curing agent and the remaining water into component B, and then add component B to component A to prepare a water-based ink that can be used directly.

[0037] The performance of the water-based ...

Embodiment 3

[0040] Weigh the following raw materials by weight unit: water-based epoxy emulsion 65, carbon black 15, water 4, water-based wetting and dispersing agent DisponerW-922 1, DisponerW-9700 0.6, DisponerW-920 0.6, surfactant DisponerW-469 1, disinfectant Foaming agent 0.5, ethanol 1.5, ammonia regulator 0.8, water-based epoxy curing agent 13.

[0041] According to the above quality, use water-based epoxy emulsion as the linking material, add pigment, dispersant, wetting agent, ammonia water, defoamer, stir and mix evenly, then grind for 1-2 hours, and add ammonia water every half hour and Test the fineness of the grinding until the pigment reaches the required fineness, and filter through a sieve to make component A;

[0042] Dilute water-based epoxy curing agent and 4g of water to form component B, then add component B to component A to prepare a water-based ink that can be used directly.

[0043] The performance of the water-based ink is as follows:

[0044] project ...

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Abstract

The invention belongs to the field of water-based ink and production technology thereof, and in particular relates to high-performance water-based epoxy ink and a preparation method thereof. The water-based ink is prepared from a water-based epoxy resin emulsion binder, pigments, auxiliaries, water and other little alcohol substance. The preparation method comprises the following steps of: takingwater-based epoxy resin as the binder; adding a certain amount of pigments, solvent, defoaming agents, wetting agents, dispersing agents and the like; mixing and grinding the materials to prepare a component A; fully mixing a certain amount of water-based epoxy hardener and a proper amount of water to prepare a component B; and fully and uniformly mixing the component A and the component B, and filtering the mixture through a screen to prepare the ink. The prepared ink has the advantages of good solvent resistance, water resistance, gloss retention and adhesive force, stable performance, quick drying, good printing adaptability, dark ink color and bright colors. Because the solvent is water, the ink has the characteristics of no toxicity, no pungent odor, noninflammability, no pollution and the like and is favorable for protecting environment and improving construction environmental quality.

Description

technical field [0001] The invention belongs to the field of water-based ink and its production technology, and in particular relates to a high-performance water-based epoxy ink and a preparation method thereof. Background technique [0002] Ink is a homogeneous mixture formed by preparation, stirring and grinding of materials such as colorants, linking materials, fillers and additives. It is a kind of paste-like adhesive body with color, certain fluidity and suitable thickness, which is mainly used in the printing industry and can be dried on the substrate. [0003] Oil-based inks use organic solvents (toluene, xylene, industrial alcohol, etc.) as solvents. During the drying process of solvent-based inks, the solvents evaporate, causing deterioration of the construction environment and environmental pollution. After printing Toxic substances remaining on the surface of the product cause product pollution. At the same time, solvent-based inks are flammable and explosive, po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/10C09D11/102
Inventor 任天斌蒋志恒黄超钟震钱志国韩宇
Owner TONGJI UNIV
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