Water-based ink for intaglio printing process of aluminum foil and preparation method of water-based ink

A gravure printing, water-based technology, applied in the direction of ink, application, household utensils, etc., can solve the problems of non-environmental protection, ink poisoning, etc., and achieve the effects of energy saving, easy dissolution, and wide temperature resistance

Inactive Publication Date: 2016-04-20
董耀辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a water-based ink for aluminum foil gravure printing. The water-based ink is safe an

Method used

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Examples

Experimental program
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Example Embodiment

[0038] The present invention also provides a method for preparing the above-mentioned water-based ink for aluminum foil gravure printing, which includes the following steps:

[0039] Step 1. Disperse

[0040] The components are pre-dispersed, and the water, acrylic resin, acrylic emulsion, water-based pigment and ethanol in the raw material components of the above-mentioned aluminum foil gravure printing water-based ink are added to the disperser for dispersion, and the dispersion speed is 1500 rpm ~ 2500 Rpm, dispersed for 1-4 hours.

[0041] Step 2, stirring

[0042] Put all the dispersed mixture in step 1 into a stirring tank, heat to 30-55°C, and stir evenly at high temperature.

[0043] Step 3, grinding

[0044] The mixed liquid after stirring is ground on a sand mill for 1 to 2 hours, and the fineness is controlled within the range of 10 to 15um.

[0045] Step 4. Adjust the ink

[0046] Add leveling agent and defoamer to control the viscosity of the ink to 10-20 seconds to obtain wa...

Example Embodiment

[0047] Example 1

[0048] A water-based ink for gravure printing on aluminum foil was prepared.

[0049] Weigh the raw materials, according to mass percentage, the raw materials are: water-based organic pigments 20.6%, water-based acrylic resin 19.5%, water-based acrylic emulsion 25.3%, leveling agent 0.5%, mineral oil defoamer 0.1%, ethanol 15%, water 20 %. Among them, the water-based pigment is composed of yellow Y-12, red R-57.1, blue B-15.3, black K-25, golden red R-48.1, and green G-7. The water-based acrylic resin adopts the water-based acrylic resin with excellent film-forming properties, strong chemical resistance and good adsorption performance for aluminum foil materials. Its molecular weight is 14000, solid content is 35%-45%, and PH value is 8.0-9.5. The water-based acrylic emulsion adopts a water-based acrylic emulsion with high gloss, high hardness, good heat resistance and good transfer performance. Its molecular weight is 180,000, solid content is 35%-45%, and PH ...

Example Embodiment

[0052] Example 2

[0053] Preparation of a water-based ink for gravure printing on aluminum foil

[0054] Weigh the raw materials, according to mass percentage, the raw materials are: 25% water-based organic pigment, 23.5% water-based acrylic resin, 22.8% water-based acrylic emulsion, 1.0% leveling agent, 0.2% mineral oil defoamer, 12.5% ​​ethanol, 15% water %. Among them, the water-based organic pigments consist of yellow Y-13, red R-57.1, blue B-15.3, black K-25, golden red R-48.1 and green G-7. The water-based acrylic resin adopts the water-based acrylic resin with excellent film-forming properties, strong chemical resistance and good adsorption performance for aluminum foil materials. Its molecular weight is 18000, solid content is 35%-45%, and PH value is 8.0-9.5. The water-based acrylic emulsion adopts a water-based acrylic emulsion with high gloss, high hardness, good heat resistance and good transfer performance. Its molecular weight is 250,000, solid content is 35%-45%, ...

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Abstract

The invention provides water-based ink for the intaglio printing process of aluminum foil. The ink is prepared from, by mass, 20-30% of water-based organic pigment, 20-25% of water-based acrylic resin, 20-25% of water-based acrylic emulsion, 0.5-1.5% of flatting agent, 0.1-0.3% of defoaming agent, 10-15% of ethyl alcohol and 10-20% of water. A preparation method includes the steps of evenly dispersing water, acrylic resin, acrylic emulsion, water-based pigment and ethyl alcohol, heating the materials till the temperature is 30-55 DEG C, evenly stirring and grinding the materials, adding flatting agent and defoaming agent, controlling the viscosity of ink for 10-20 seconds, and obtaining the water-based ink. The water-based ink is excellent in performance, safe and environmentally friendly, harms to a user can be reduced, the preparation method of the water-based ink is simple, the viscosity of the ink is easy to control, and the ink has wide application prospects.

Description

technical field [0001] The invention belongs to the technical field of ink manufacture, and in particular relates to a water-based ink for aluminum foil gravure printing, and also relates to a preparation method of the water-based ink for aluminum foil gravure printing. Background technique [0002] Aluminum foil gravure printing is widely used in flexible packaging printing, especially in paper packaging, pharmaceutical packaging and other fields in China. Green printing has become the development direction of the printing industry. At present, the main problem of aluminum foil gravure printing is that organic solvent-based inks are widely used now. This type of ink has certain toxicity, endangers the health of operators, pollutes the environment, and is not safe to store (flammable and explosive). , easy oxides seriously exceed the standard, increasing the emission of VOC (volatile organic compounds), which is not conducive to environmental protection; at the same time, or...

Claims

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Application Information

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IPC IPC(8): C09D11/107C09D11/037C09D11/03
CPCC09D11/107C09D11/03C09D11/037
Inventor 董耀辉
Owner 董耀辉
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