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Waterborne thermochromic gravure ink and composition of same

A gravure ink, water-based ink technology, applied in ink, household appliances, applications, etc., can solve the problems of soil pollution, thrown on the side of the road, concentrated incineration and other problems, achieves no organic solvent, excellent rubbing resistance, simple formula Effect

Inactive Publication Date: 2019-03-29
英科·卡乐油墨(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after consumption, the packaging boxes made of water-based ink gravure may be thrown on the side of the road or burned in piles at any time
[0004] During the incineration process, toxic gas will be produced due to the chemical raw material ink printed on the surface of the packaging box product.
This not only produces additional VOCs emissions, but also causes some pollution to the soil later

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Mix water-based acrylic resin (300g), water-based PU resin (200g), color-changing pigment (300g), water-based polyethylene wax (50g), water-based aliphatic dispersant 760 (25g), PH stabilizer NAOH (75g), and use Stir at high speed with the disperser (1000 rpm for 20-30 minutes), then use a grinder to grind at a rate of 1L per minute. After grinding for 2 times, do related performance tests. Take 100g of ink and add 30g of water as dilution directly. Apply to paper surface and allow to dry before testing.

Embodiment 2

[0025] Mix water-based acrylic resin (250g), water-based PU resin (200g), color-changing pigment (200g), water-based polyethylene wax (40g), water-based aliphatic dispersant 760 (15g), pH stabilizer NAOH (45g) and water , use a disperser to stir at a high speed (1000 rpm for 20-50 minutes), and then use a grinder to grind at a speed of 1.5L per minute. After grinding for 2 times, do related performance tests, directly take 100g of ink and add 30g of water as dilution , apply the ink to the surface of the paper and let it dry before testing.

Embodiment 3

[0027] Mix water-based acrylic resin (350g), water-based PU resin (100g), color-changing pigment (250g), water-based polyethylene wax (50g), water-based aliphatic dispersant 760 (25g), pH stabilizer NAOH (75g) and water , use a disperser to stir at high speed (1000 rpm for 30-50 minutes), and then use a grinder to grind at a speed of 1L per minute. After grinding for 2 times, do related performance tests, directly take 100g of ink and add 30g of water as dilution, Apply the ink to the surface of the paper and let it dry before testing.

[0028] Ink performance test:

[0029] The relevant performance tests were carried out on the inks of Examples 1-3, and the temperature-changing water-based inks currently on the market were used as a control example. The specific results are shown in Table 1.

[0030] Table 1 ink performance test:

[0031]

[0032] It can be seen from Table 1 that the ink coatings of Examples 1-3 are not only resistant to aging and do not contain o...

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PUM

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Abstract

The invention provides waterborne thermochromic gravure ink. 1000 weight parts of the composition include, by mass, 250-350 parts of waterborne acrylic resin, 100-200 parts of waterborne PU resin, 30-50 parts of waterborne polyethylene wax, 15-25 parts of a waterborne dispersant, 55-75 parts of a pH stabilizer, 100-300 parts of a color-change pigment, and the balanced being a solution. The gravureink is simple in formula. By means of the waterborne acrylic resin, the waterborne PU resin, the waterborne dispersant, the pH stabilizer and the color-change pigment, color changing effect of the ink is enhanced. The gravure ink is anti-aging and free of organic solvents, has great rubbing resistance, is better than a product in the prior art in degradation effect, and is suitable for packagingbox printing.

Description

technical field [0001] The invention relates to the field of ink and its composition, and specifically, it shows a water-based temperature-changing gravure ink and its composition. Background technique [0002] As people's calls for environmental protection become stronger and stronger, especially the problem of atmospheric smog, the country's requirements for VOCs emissions from enterprises will become more and more stringent. Beijing, Shanghai, Zhejiang and other developed cities or provinces have successively issued Requirements on VOCs emissions. [0003] Gravure printing water-based ink is more and more valued and favored by people because of its almost no emission of volatile organic compounds (VOCs). However, after consumption, packaging boxes made of water-based ink gravure may be thrown on the side of the road or burned in piles at any time. [0004] During the incineration process, toxic gas will be produced due to the chemical raw material ink printed on the sur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/107C09D11/102C09D11/03C09D11/037
CPCC09D11/03C09D11/037C09D11/102C09D11/107
Inventor 孟凯
Owner 英科·卡乐油墨(苏州)有限公司
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