CN114806272A

CN114806272A - High-color-saturation degerming water-based ink

Info

Publication number: CN114806272A
Application number: CN202210627417.5A
Authority: CN
Inventors: 吴新康; 王浩
Original assignee: Jiangsu Langhui Industrial Development Co ltd
Current assignee: Jiangsu Langhui Industrial Development Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-07-29

Abstract

The invention discloses a high-color-saturation degerming water-based ink, which comprises the following components in parts by weight: aqueous acrylic polymer emulsion: 10-30 wt% styrene-acrylic polymer: 5-20 wt%; water: 15-25 wt%; ethanol: 10-25 wt%; dispersing agent: 0.5-3 wt%; wetting agent: 0.3-2 wt%; dimethyl and silica reactants: 0.1-1 wt%; defoaming agent: 0.1-0.5 wt%; wear-resisting agent: 2-8 wt%; colorant: 10-20 wt%, wherein the proportion of water in the water-based acrylic polymer emulsion is 55 wt%; the proportion of water in the styrene-acrylic polymer is 55 wt%, the dispersant adopts acrylic block copolymer, and the styrene-acrylic polymer also comprises: pH value adjusting agent: 0.1-0.8 wt%, and the high-color-saturation degerming water-based ink has the effects of high saturation, stable quality and good leveling property.

Description

High-color-saturation degerming water-based ink

Technical Field

The invention relates to the technical field of proportioning production of water-based ink, in particular to degerming water-based ink with high color saturation.

Background

The water-based ink is called water ink for short, and the water-based ink for the flexographic plate is called liquid ink, and is mainly prepared by carrying out composite grinding on water-soluble resin, organic pigment, solvent and related auxiliary agents. The water-based ink is particularly suitable for packaging and printing products with strict requirements on sanitary conditions, such as cigarettes, wine, foods, beverages, medicines, toys for children and the like. Classification of inks modern inks are mainly classified into four major categories by plate type: the letterpress printing ink is used for printing ink of books, newspapers, paintings and albums, documents, books and the like, and is mainly characterized in that an inked part of a printing plate is protruded out of a non-inked part; letterpress inks are further classified into letterpress inks, copperplate inks, letterpress rotary inks, flexographic inks according to the type of printing machine and the use of the printed matter. The lithographic printing ink is suitable for lithographic printing, all parts of a plate surface of the lithographic printing are basically positioned on one plane, patterns are oleophilic, non-patterns are hydrophilic, and the printing is carried out by utilizing the principle of oil-water repulsion, so the lithographic printing ink has the water resistance; the ink is divided into offset printing ink, web offset printing ink, flat offset printing ink, waterless offset printing ink, tin printing ink, lithographic printing ink and the like according to the process. Intaglio printing ink, which is suitable for intaglio printing, is recessed into the pattern part of the layout during printing, and the ink of the non-pattern part is wiped off or scraped off and then printed; there are categories of engraved intaglio ink and gravure ink. The traditional PE water-based ink and the preparation method thereof have certain defects in color saturation, and the prepared water-based ink has low commercial value and is not full in chroma, so that the problem of how to solve the problem is a difficult problem which is urgently needed to be solved at present.

Disclosure of Invention

The invention aims to solve the technical problem that the chroma of the water-based ink is unsaturated, and achieve the aims of higher chroma saturation, stable quality and good leveling property of the water-based ink.

In order to achieve the purpose, the invention provides the following technical scheme: the high-color-saturation degerming water-based ink comprises the following formula:

aqueous acrylic polymer emulsion: 10-30 wt%;

styrene-acrylic acid polymer: 5-20 wt%;

water: 15-25 wt%;

ethanol: 10-25 wt%;

dispersing agent: 0.5-3 wt%;

wetting agent: 0.3-2 wt%;

dimethyl and silica reactants: 0.1-1 wt%;

defoaming agent: 0.1-0.5 wt%;

wear-resisting agent: 2-8 wt%;

colorant: 10-20 wt%.

Preferably, the proportion of water in the water-based acrylic polymer emulsion is 55 wt%;

the proportion of water in the styrene-acrylic polymer is 55 wt%.

Preferably, the dispersant is an acrylic block copolymer.

Preferably, the method further comprises the following steps: pH value adjusting agent: 0.1-0.8 wt%;

preferably, ethanolamine is used as the pH adjuster.

Preferably, propylene glycol is used as the humectant.

Preferably, dimethyl is siloxane and polysiloxane;

the proportion of water in the dimethyl and silicon dioxide reactants is 50 wt%.

Preferably, the defoaming agent is polydimethylsiloxane.

Preferably, the anti-wear agent is polyethylene wax;

the proportion of water in the wear-resisting agent is 55 percent.

Preferably, anionic antimicrobial agents are also included: 1-3 wt%.

The invention has the beneficial effects that:

1. the water-based acrylic polymer emulsion, the styrene-acrylic polymer and the colorant are used as the three main raw materials, and the colorant with higher weight ratio is used for improving the color saturation of the water-based ink, so that the water-based ink has more bright color, the market value of the water-based ink is improved, and the product quality is improved.

2. Through the defoaming agent, make water-based ink can remove the foam at the manufacture in-process, through wear resistant agent, make water-based ink can have good wearability, make water-based ink have comparatively moist characteristic through the wetting agent, be difficult for the season check in the use. Chemical substances in the water-based ink are fully dispersed by the dispersant, so that the mixing degree is improved.

3. The pH value of the water-based ink can be adjusted by the pH value adjusting agent, so that the pH value of the water-based ink is balanced, and the condition that the pH value of the water-based ink is too acidic or too alkaline is reduced.

4. The anionic antibacterial agent can play an antibacterial role, and the problem of water-based ink deterioration caused by microorganism multiplication in the water-based ink is solved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a formulation of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in FIG. 1, a high color saturation degerming water-based ink comprises the following formula: aqueous acrylic polymer emulsion: 10-30 wt%; wherein the proportion of water in the water-based acrylic polymer emulsion is 55 wt%.

Styrene-acrylic acid polymer: 5-20 wt%; the proportion of water in the styrene-acrylic polymer is 55 wt%.

Water: 15-25 wt%; ethanol: 10-25 wt%; dispersing agent: 0.5 to 3 wt%, in this example, the dispersant may be, but not limited to, an acrylic block copolymer. Wetting agent: 0.3-2 wt%; in this embodiment, the humectant can be, but is not limited to, propylene glycol. Dimethyl and silica reactants: 0.1-1 wt%, wherein dimethyl is siloxane and polysiloxane, and the proportion of water in dimethyl and silicon dioxide reactants is 50 wt%.

Defoaming agent: 0.1-0.5 wt%, in this embodiment, the defoaming agent can be but not limited to polydimethylsiloxane.

Wear-resisting agent: 2-8 wt%, in this embodiment, the anti-wear agent can be, but is not limited to, polyethylene wax, and the proportion of water in the anti-wear agent is 55%.

Colorant: 10-20 wt%, in this example, the colorant may be, but is not limited to, c.i. pigment red 254.

pH value adjusting agent: 0.1-0.8 wt%, in this example, ethanolamine was used as the pH adjuster.

Anionic antimicrobial agent: 1-3 wt%.

Example two:

aqueous acrylic polymer emulsion: 10 wt%;

styrene-acrylic acid polymer: 20 wt%;

water: 15 wt%;

ethanol: 25 wt%;

dispersing agent: 0.5 wt%;

wetting agent: 0.5 wt%;

dimethyl and silica reactants: 1 wt%;

defoaming agent: 0.1 wt%;

wear-resisting agent: 6.8 wt%;

colorant: 20 wt%;

pH value adjusting agent: 0.1 wt%;

anionic antimicrobial agent: 1 wt%.

Transferring property test: the light-drying property of 2.5cm × 7.5cm aqueous ink was measured under the following conditions:

and (3) smearing the water-based ink on the oil rollers, printing the printed matter at intervals of 2 minutes, testing 10 groups of data, and after the test is finished, enabling the 10 groups of oil rollers to be qualified.

Testing the drying speed: the light exposure of 2.5cm × 7.5cm water-based ink was measured under the following conditions:

the water-based ink was applied to the printed matter, and the degree of completion of drying of the product after 5/10/15/20 minutes was measured, and 10 sets of data were dried for 5 minutes from 6 sets and 10 minutes from 4 sets, respectively, whereby the drying property of the water-based ink was good.

And (3) leveling property testing: the leveling of 10 ml of aqueous ink was measured under the following conditions:

the liquid water-based ink is placed on glass with an inclination angle of 5 degrees, 10 groups of data are tested, after the experiment is finished, the flowing lengths of the 10 groups of water-based ink are respectively 20cm, 22cm, 21cm, 23cm, 21cm, 22cm and 23cm, and the leveling property is excellent.

And (3) testing the colorability: the aqueous inks of 10 groups were tested for colorability under the following conditions:

the water-based ink is smeared on a bearing object, 10 groups of data are tested, the color contrast card of C.I. pigment red 254 is compared, the color difference between the water-based ink and the color contrast card is tested, and no obvious color difference exists in the 10 groups of data.

Example three:

aqueous acrylic polymer emulsion: 30 wt%;

styrene-acrylic acid polymer: 10 wt%;

water: 15 wt%;

ethanol: 10 wt%;

dispersing agent: 3 wt%;

wetting agent: 2 wt%;

dimethyl and silica reactants: 0.1 wt%;

defoaming agent: 0.5 wt%;

wear-resisting agent: 7 wt%;

colorant: 19 wt%;

pH value adjusting agent: 0.4 wt%;

anionic antimicrobial agent: 3 wt%.

Testing the drying speed: the light-drying property of 2.5cm × 7.5cm aqueous ink was measured under the following conditions:

the water-based ink was applied to the printed matter, and the degree of completion of drying of the product after 5/10/15/20 minutes was respectively tested, and 10 sets of data were measured, and as a result, 10 sets of data were dried for 5 minutes from 7 sets and 10 minutes from 3 sets, respectively, whereby the drying property of the water-based ink was good.

the liquid water-based ink is placed on glass with an inclination angle of 5 degrees, 10 groups of data are tested, after the experiment is finished, the flowing lengths of the 10 groups of water-based ink are respectively 21cm, 23cm, 20cm, 21cm, 22cm, 23cm, 20cm and 24cm, and the leveling property is excellent.

Example four:

aqueous acrylic polymer emulsion: 30 wt%;

styrene-acrylic acid polymer: 10 wt%;

water: 20 wt%;

ethanol: 15 wt%;

dispersing agent: 1.5 wt%;

wetting agent: 1 wt%;

dimethyl and silica reactants: 0.5 wt%;

defoaming agent: 0.5 wt%;

wear-resisting agent: 5 wt%;

colorant: 15 wt%;

pH value adjusting agent: 0.8 wt%;

anionic antimicrobial agent: 1.7 wt%.

the water-based ink was applied to the printed matter, and the degree of completion of drying of the product after 5/10/15/20 minutes was measured, and 10 sets of data were dried for 5 minutes from 8 sets and 10 minutes from 2 sets, respectively, whereby the drying property of the water-based ink was good.

the liquid water-based ink is placed on glass with an inclination angle of 5 degrees, 10 groups of data are tested, after the experiment is finished, the flowing lengths of the 10 groups of water-based ink are respectively 21cm, 20cm, 23cm, 24cm, 20cm, 22cm, 21cm, 22cm and 22cm, and the leveling property is excellent.

Example five:

aqueous acrylic polymer emulsion: 25 wt%;

styrene-acrylic acid polymer: 10 wt%;

water: 23 wt%;

ethanol: 17 wt%; 75

Dispersing agent: 2.5 wt%;

wetting agent: 0.5 wt%; 78

Dimethyl and silica reactants: 1 wt%; 79

Defoaming agent: 0.4 wt%;

wear-resisting agent: 6 wt%;

colorant: 12.5 wt%;

pH value adjusting agent: 0.6 wt%;

anionic antimicrobial agent: 1.5 wt%.

Transferring property test: the light-fastness of 2.5cm × 7.5cm aqueous ink was measured under the following conditions:

the liquid water-based ink is placed on glass with an inclination angle of 5 degrees, 10 groups of data are tested, and after the experiment is finished, the flowing lengths of the 10 groups of water-based ink are respectively 20cm, 21cm, 22cm, 21cm, 23cm, 21cm, 20cm and 19cm, so that the leveling property is excellent.

And (3) testing the colorability: the water-based inks of 10 sets were tested for colorability under the following measurement conditions:

In summary, the first embodiment is the best implementation: the water-based acrylic polymer emulsion, the styrene-acrylic polymer and the colorant are used as the three main raw materials, and the colorant with higher weight ratio is used for improving the color saturation of the water-based ink, so that the water-based ink has more bright color, the market value of the water-based ink is improved, and the product quality is improved. Through the defoaming agent, make water-based ink can remove the foam at the manufacture in-process, through wear resistant agent, make water-based ink can have good wearability, make water-based ink have comparatively moist characteristic through the wetting agent, be difficult for the season check in the use. Chemical substances in the water-based ink are fully dispersed by the dispersant, so that the mixing degree is improved. The pH value of the water-based ink can be adjusted by the pH value adjusting agent, so that the pH value of the water-based ink is balanced, and the condition that the pH value of the water-based ink is too acidic or too alkaline is reduced. The anionic antibacterial agent can play an antibacterial role, and the problem of water-based ink deterioration caused by microorganism multiplication in the water-based ink is solved. Therefore, the invention has the advantages of stable quality, good transferability, high drying speed, easy plate cleaning, good leveling effect, safety and environmental protection, and can meet all strict performances of the cigarette packet. The pigment with strong color developing property and strong tinting strength is used as the high-content printing ink. And a silver ion antibacterial agent is added to ensure that the surface of the printing stock has a certain antibacterial function.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-color-saturation degerming water-based ink is characterized by comprising the following components in parts by weight: the formula comprises the following components:

aqueous acrylic polymer emulsion: 10-30 wt%;

styrene-acrylic acid polymer: 5-20 wt%;

water: 15-25 wt%;

ethanol: 10-25 wt%;

dispersing agent: 0.5-3 wt%;

wetting agent: 0.3-2 wt%;

dimethyl and silica reactants: 0.1-1 wt%;

defoaming agent: 0.1-0.5 wt%;

wear-resisting agent: 2-8 wt%;

colorant: 10-20 wt%.

2. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the proportion of water in the water-based acrylic polymer emulsion is 55 wt%; the proportion of water in the styrene-acrylic polymer is 55 wt%.

3. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the dispersant is acrylic block copolymer.

4. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the pH value regulator comprises: 0.1-0.8 wt%.

5. The high color saturation sterilizing aqueous ink according to claim 1, wherein: ethanolamine is adopted as the pH value regulator.

6. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the humectant adopts propylene glycol.

7. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the dimethyl groups are siloxanes and polysiloxanes.

8. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the defoaming agent adopts polydimethylsiloxane.

9. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the wear-resisting agent is polyethylene wax, and the proportion of water in the wear-resisting agent is 55%.

10. The high color saturation sterilizing aqueous ink according to claim 1, wherein: the proportion of the anionic antibacterial agent is 1-3 wt%.