CN115058150B - High-glossiness composite ink for film printing and preparation method thereof - Google Patents
High-glossiness composite ink for film printing and preparation method thereof Download PDFInfo
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- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
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Abstract
The application relates to the technical field of printing ink, in particular to high-glossiness composite ink for film printing and a preparation method thereof, wherein the high-glossiness composite ink comprises the following components in parts by weight: 12-24 parts of aqueous acrylic resin, 14-20 parts of aqueous amino resin, 6-12 parts of pigment, 40-50 parts of deionized water and 2-6 parts of compound antibacterial agent, wherein the compound antibacterial agent is prepared by the following method: dissolving an antibacterial agent and a hydrophobic agent in a solvent to obtain a mixed solution, soaking kaolin in the mixed solution, filtering and drying to obtain the compound antibacterial agent. The ink has the effect of prolonging the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a wet environment.
Description
Technical Field
The application relates to the technical field of printing ink, in particular to high-glossiness composite ink for film printing and a preparation method thereof.
Background
Aqueous inks are widely used as inks for flexographic printing, gravure printing and inkjet recording, and among many environmental-friendly inks, aqueous inks for flexible films are a promising class. The main solvent of the water-based ink for the flexible film is water, the water volatilized by the water-based ink for the flexible film in the drying process is clean and pollution-free, and meanwhile, the water price is low, so that the water-based ink for the flexible film has the advantage of low cost in a plurality of environment-friendly inks.
However, since the water-based ink for flexible films is susceptible to mildew caused by erosion of fungi and algae, the water-based ink for flexible films needs to be subjected to a certain antibacterial treatment during the production process, and the conventional water-based ink for flexible films has improved antibacterial ability by directly adding a bactericide into the water-based ink. At present, three antibacterial agents of water-based ink for flexible films are mainly prepared, namely nano silver, nano copper and inorganic antibacterial agents. The nano silver has good antibacterial property, but the nano silver has higher price, so that the cost for producing the water-based ink for the flexible film is high; the nano copper also has good antibacterial capability, but the nano copper is extremely easy to oxidize and lose efficacy, so that the nano copper has short action time and low practicability when being used as an antibacterial agent; inorganic antibacterial agents such as potassium sorbate, sodium diacetate and the like have low cost and good antibacterial effect, but common inorganic antibacterial agents are easy to dissolve in water, and the inorganic antibacterial agents on the dry surface of the ink of the water-based ink for the flexible film are easy to be dissolved by the moisture in a humid environment and reduced, so that the antibacterial capability of the dry ink of the water-based ink for the flexible film in the humid environment is insufficient.
In view of this, there is a need for developing a flexible film aqueous ink which is excellent in antibacterial effect and resistant to moisture.
Disclosure of Invention
In order to prolong the antibacterial duration of the dry ink of the water-based ink for the film in a humid environment, the application provides high-glossiness composite ink for film printing and a preparation method thereof.
The application provides a high-glossiness composite ink for film printing and a preparation method thereof, which adopts the following technical scheme: in a first aspect, the present application provides a high-glossiness composite ink for film printing, which adopts the following technical scheme:
the high-glossiness composite ink for film printing comprises the following components in parts by weight:
12-24 parts of aqueous acrylic resin;
14-20 parts of aqueous amino resin;
6-12 parts of pigment;
40-50 parts of deionized water;
2-6 parts of compound antibacterial agent;
the compound antibacterial agent is prepared by the following method: dissolving an antibacterial agent and a hydrophobic agent in a solvent to obtain a mixed solution, soaking kaolin in the mixed solution, filtering and drying to obtain the compound antibacterial agent.
By adopting the technical scheme, the aqueous acrylic resin and the aqueous amino resin have good adhesion fastness on the flexible film, wherein the aqueous acrylic resin has good film forming property, and the film formed by the aqueous acrylic resin on the flexible film is bright and full and has good color retention, so that the gloss of the high-glossiness composite ink dry ink for film printing is improved; the aqueous amino resin and the aqueous acrylic resin can form a paint film with strong toughness and a three-dimensional network structure in the subsequent drying process, so that the ink dry of the high-glossiness composite ink for film printing has good moisture resistance and water resistance.
The kaolin has good adsorption capacity and can adsorb the antibacterial agent and the hydrophobic agent, so that the compound antibacterial agent is formed; the antibacterial agent is adsorbed by the kaolin, so that when the ink dry containing the compound antibacterial agent is in a wet environment, the water-soluble speed of the antibacterial agent on the surface of the high-glossiness composite ink dry for film printing is greatly slowed down, and the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in the wet environment can be prolonged.
In addition, the hydrophobizing agent has the property of being hydrophobic, so that the retention time of moisture in a humid environment on the surface of the ink dry can be reduced, the condition that the antibacterial agent is dissolved by the moisture can be reduced, and the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in the humid environment can be prolonged.
Preferably, the mass ratio of the antibacterial agent to the hydrophobizing agent to the kaolin is (1-2): (0.5-1.5): 5.
Preferably, the antibacterial agent is selected from one or more of carboxymethyl chitosan, triclosan and parachlorometaxylenol.
By adopting the technical scheme, the carboxymethyl chitosan has the characteristics of environmental protection, safety, no toxicity and strong antibacterial property; triclosan is a broad-spectrum antibacterial agent, has stable property, is favorable for prolonging the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a wet environment, and can be not easily dissolved by water due to the property that the triclosan is not easily dissolved by water in the wet environment, so that the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in the wet environment can be further prolonged; the anti-bacterial meta-xylenol ink has strong antibacterial activity to chlorometaxylenol and has the capability of avoiding the generation of peculiar smell of high-glossiness composite ink for film printing.
Preferably, the hydrophobic agent is selected from one or more of sodium methyl silicate and perfluorooctyl triethoxysilane.
By adopting the technical scheme, silanol groups in the molecular structure of the sodium methyl silicate can react with silanol groups in silicate in kaolin to be dehydrated and crosslinked to realize an anti-capillary effect, so that an excellent hydrophobic layer is formed, the hydrophobic capacity of the compound antibacterial agent can be improved, and the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a humid environment can be prolonged; the perfluoro octyl triethoxy silane can lead the surface of the kaolin to have extremely low surface energy and extremely poor wettability, thereby being beneficial to improving the hydrophobic capacity of the compound antibacterial agent and further being beneficial to prolonging the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a humid environment.
Preferably, the kaolin is subjected to calcination treatment and then compounded, wherein the calcination temperature is 150-210 ℃ and the calcination time is 3-5 h.
Preferably, the particle size of the kaolin is 1500-2500 meshes.
By adopting the technical scheme, as the particle diameter of the kaolin is reduced, the total surface area of the kaolin particles with equal quality is increased, so that the adsorption effect of the kaolin is better, the adsorption effect of the kaolin on the antibacterial agent and the hydrophobic agent is further improved, and the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a humid environment is prolonged.
Preferably, the composition further comprises 2-6 parts of dispersing agent.
By adopting the technical scheme, the dispersing agent can improve the uniformity of the components in the high-glossiness composite ink for film printing.
In a second aspect, the present application provides a method for preparing a high-glossiness composite ink for film printing, which adopts the following technical scheme:
the preparation method of the high-glossiness composite ink for film printing comprises the following steps:
(1) Mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water according to the proportion, adding into stirring equipment for stirring, and regulating the pH value of the system to 9-10 to obtain a dispersion;
(2) Adding the compound antibacterial agent into the dispersion in the step (1), stirring, and regulating the pH value of the system to 8.5-9.5 to obtain the high-glossiness composite ink for film printing.
By adopting the technical scheme, the preparation method is simple and easy to implement, difficult preparation conditions are not needed, the operation is easy, and the prepared high-glossiness composite ink for film printing has higher glossiness, good antibacterial effect and moisture resistance.
Preferably, the stirring speed in the step (1) is 400-600 r/min, the stirring time is 15-20 min, and the stirring temperature is 40-60 ℃.
Preferably, the stirring speed in the step (2) is 200-300 r/min, the stirring time is 30-40 min, and the stirring temperature is 15-25 ℃.
In summary, the present application has the following beneficial effects:
1. the kaolin adopted by the application can adsorb the antibacterial agent and the hydrophobic agent, and the speed of the antibacterial agent dissolved in water is greatly slowed down because the antibacterial agent is adsorbed by the kaolin, so that the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a humid environment can be prolonged; the hydrophobic agent has the property of hydrophobic, and can reduce the retention time of moisture in a humid environment on the surface of the ink dry, so that the condition that the antibacterial agent is dissolved by the moisture can be reduced, and the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in the humid environment can be prolonged.
2. As the particle diameter of the kaolin is reduced, the total surface area of the kaolin particles with equal quality is increased, so that the adsorption effect of the kaolin is better, the adsorption effect of the kaolin on the antibacterial agent and the hydrophobic agent is further improved, and the antibacterial duration of the ink dry of the high-glossiness composite ink for film printing in a wet environment is prolonged.
Detailed Description
Raw materials
The sources of the components in this application are as in table 1:
Table 1 sources of the components
| Raw materials | Manufacturer' s | Model number |
| Kaolin clay | Keplerian family of biologyTechnology Co Ltd | kpl-65955 |
| Carboxymethyl chitosan | Siamprenes bioengineering Co.Ltd | PRS180321 |
| Triclosan | Nantong fragrance adding bioengineering Co.Ltd | tx-s |
| Para-chloro-m-xylenol | Shenzhen City advanced chemical engineering Co., ltd | PCMX |
| Methyl sodium silicate | Jiukun building materials Co.Ltd | jk-3-3a |
| Perfluoro octyl triethoxy silane | Nanjing full-Highway chemical Co., ltd | QX-1324 |
| Aqueous acrylic resin | Shanghai Kaiyin chemical Co., ltd | RS-8600L |
| Aqueous amino resin | Jining Malus asiatica chemical industry Co.Ltd | ET581 |
| REGAL 660R pigment black | SHENZHEN DAXING CHEMICAL Co.,Ltd. | Carbon black 660R |
| Polyethylene glycol | Guangzhou City morning New Material Co.Ltd | CY-040 |
| Absolute ethyl alcohol | Jiang Yinde first chemical Co., ltd | DX-99 |
Preparation example of Compound antibacterial agent
Preparation example 1
The compound antibacterial agent is prepared from the following raw materials: 1500 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 100:8:6:5:5:100:100.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 150 ℃ for 3 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 2
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 10:1:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
And S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 3
The compound antibacterial agent is prepared from the following raw materials: 2500 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water and absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water and absolute ethanol is = 100:16:12:12:15:15:100:100.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 210 ℃ for 5 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 4
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 10:1:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 150 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 5
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 10:1:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 210 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
And S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 6
The compound antibacterial agent is prepared from the following raw materials: 1500 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 10:1:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 7
The compound antibacterial agent is prepared from the following raw materials: 2500 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 10:1:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 8
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 50:4:3:3:5:5:50:50.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
And S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 9
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 50:8:6:5:5:50:50.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 10
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 20:2:2:1:1:20:20.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
PREPARATION EXAMPLE 11
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 20:2:2:3:3:20:20.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
And S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 12
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol, wherein the weight ratio between kaolin, carboxymethyl chitosan, triclosan, p-chlorom-xylenol, sodium methyl silicate, perfluorooctyl triethoxysilane, deionized water, absolute ethanol = 10:1:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan, parachlorometaxylenol, sodium methyl silicate and perfluorooctyl triethoxysilane in the mixed solvent to obtain a mixed solution;
s2, adding kaolin into the mixed solution obtained in the step S1, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Preparation example 13
The compound antibacterial agent is prepared from the following raw materials: 2000 mesh kaolin, carboxymethyl chitosan, triclosan, parachlorometaxylenol, deionized water and absolute ethanol, wherein the weight ratio of the kaolin, carboxymethyl chitosan, triclosan, parachlorometaxylenol, deionized water and absolute ethanol is=10:1:1:1:10:10.
The preparation method of the compound antibacterial agent comprises the following steps:
s1, calcining kaolin at 180 ℃ for 4 hours;
s2, mixing deionized water and absolute ethyl alcohol to obtain a mixed solvent, and dissolving carboxymethyl chitosan, triclosan and parachlorometaxylenol in the mixed solvent to obtain a mixed solution;
and S3, adding the kaolin in the step S1 into the mixed solution in the step S2, soaking for 4 hours, filtering and drying to obtain the compound antibacterial agent.
Examples
Example 1
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.2kg of the compound antibacterial agent in preparation example 1, 1.2kg of the aqueous acrylic resin, 1.4kg of the aqueous amino resin, 0.6kg of the pigment, 4kg of deionized water and 0.2kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a stirring speed of 400r/min for 15min at a stirring temperature of 40 ℃, and regulating the pH value of the system to 9 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 200r/min for 30min, at the stirring temperature of 15 ℃, and regulating the pH value of the system to 8.5 to obtain the high-glossiness composite ink for film printing.
Example 2
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 2, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 3
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.6kg of the compound antibacterial agent in preparation example 3, 2.4kg of the aqueous acrylic resin, 2kg of the aqueous amino resin, 1.2kg of the pigment, 5kg of deionized water and 6kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at the stirring speed of 600r/min for 20min, at the stirring temperature of 60 ℃, and regulating the pH value of the system to 10 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 300r/min for 40min, stirring at the temperature of 25 ℃, and regulating the pH value of the system to 9.5 to obtain the high-glossiness composite ink for film printing.
Example 4
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.2kg of the compound antibacterial agent in preparation example 2, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
S2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 5
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.6kg of the compound antibacterial agent in preparation example 2, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 6
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 1, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 7
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 3, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 8
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 4, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
S2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 9
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 5, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 10
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 6, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 11
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 7, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 12
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 8, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
S2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 13
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 9, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 14
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 10, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 15
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 11, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S12, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Example 16
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 12, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
S2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Comparative example
Comparative example 1
A high-glossiness composite ink for film printing is prepared from the following raw materials: 0.4kg of the compound antibacterial agent in preparation example 13, 1.8kg of the aqueous acrylic resin, 1.7kg of the aqueous amino resin, 0.8kg of the pigment, 4.5kg of deionized water and 0.4kg of the dispersing agent, wherein the dispersing agent is specifically polyethylene glycol, and the pigment is specifically REGAL 660R pigment black.
The preparation method of the high-glossiness composite ink for film printing comprises the following steps:
s1, mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water, adding into stirring equipment, stirring at a speed of 500r/min for 17min, stirring at a temperature of 50 ℃, and regulating the pH value of the system to 9.5 to obtain a dispersion;
s2, adding the compound antibacterial agent into the dispersion in the step S1, stirring at the speed of 250r/min for 35min, at the stirring temperature of 20 ℃, and regulating the pH value of the system to 9 to obtain the high-glossiness composite ink for film printing.
Detection method/test method
The antibacterial capability test of the ink dry of the high-glossiness composite ink for film printing in a humid environment adopts the following scheme:
1. preparing an escherichia coli culture solution according to a conventional mode, and enabling the western style of the escherichia coli culture solution to reach a bacterial density OD600 of 0.4;
2. the high-glossiness composite ink for film printing prepared in examples 1 to 14 and comparative example 1 of the present invention was printed on a PET film using a small gravure proofing machine, and dried by infrared heating to prepare a test sample;
3. and (3) spraying the test sample in the step (S2), airing at room temperature, inoculating the same amount of the escherichia coli culture solution in the step (S1) on the surface of the test sample, and culturing at 37 ℃ for 4 hours to test the death rate of the escherichia coli on the surface of the test sample.
The above-described test was performed on the high-gloss composite ink for film printing prepared in examples 1 to 14 and comparative example 1, and the results are shown in table 2:
table 3 shows the change in E.coli mortality in the test samples based on the data in Table 2, and the specific results are shown in Table 3:
TABLE 3 variation of E.coli mortality on test samples
As can be seen from Table 2, the ink dries of the high-gloss composite ink for film printing prepared in examples 1 to 14 were able to resist bacteria after 2.5 hours of spray treatment, indicating that the ink dries of the high-gloss composite ink for film printing prepared in examples 1 to 14 of the present application had a long antibacterial time in a wet environment.
Referring to table 3, it can be seen from comparative examples 2 and 1 that the antibacterial time of the ink dry of the high-gloss composite ink for film printing containing the water repellent is significantly increased corresponding to the antibacterial time of the ink dry of the high-gloss composite ink for film printing containing the water repellent, indicating that the water repellent containing the water repellent is advantageous for prolonging the antibacterial ability time of the ink dry of the high-gloss composite ink for film printing in the wet environment, probably because the water repellent has a water repellent property, the retention time of water in the wet environment on the surface of the ink dry can be reduced, and thus the dissolution of the antibacterial agent by water can be reduced, thereby enabling the antibacterial ability time of the ink dry of the high-gloss composite ink for film printing in the wet environment to be prolonged.
As can be seen from comparative examples 2, 4 and 5, as the content of the compound antimicrobial agent in the high-gloss composite ink for film printing is increased, the antimicrobial time of the ink dry of the high-gloss composite ink for film printing in a humid environment is significantly increased, indicating that the compound antimicrobial agent can prolong the antimicrobial time of the ink dry of the high-gloss composite ink for film printing in a humid environment, probably because the kaolin used in the application can adsorb the antimicrobial agent and the hydrophobic agent, the speed of dissolving the antimicrobial agent in water is greatly slowed down due to the adsorption by the kaolin, thereby being capable of prolonging the antimicrobial time of the high-gloss composite ink for film printing; the hydrophobic agent has the property of hydrophobic, and can reduce the retention time of moisture in a humid environment on the surface of the ink dry, so that the condition that the antibacterial agent is dissolved by the moisture can be reduced, and the antibacterial capability time of the ink dry of the high-glossiness composite ink for film printing in the humid environment can be prolonged.
As can be seen from comparative examples 2, 6, 7 and 14, when the calcination temperature of the kaolin in the composite antibacterial agent is 180 ℃, the antibacterial ability time of the ink dry corresponding to the high-gloss composite ink for film printing in a wet environment is longest, and when the kaolin in the composite antibacterial agent is not calcined, the antibacterial ability time of the ink dry corresponding to the high-gloss composite ink for film printing in a wet environment is remarkably reduced, which means that the kaolin in the composite antibacterial agent after being calcined is favorable for prolonging the antibacterial ability time of the ink dry corresponding to the high-gloss composite ink for film printing in a wet environment, probably because the adsorption ability of the kaolin in the composite antibacterial agent after being calcined is improved, thereby improving the ability of the composite antibacterial agent to prolong the antibacterial ability of the ink dry in the high-gloss composite ink for film printing.
As can be seen from comparative examples 2, 8 and 9, as the particle size of the kaolin in the composite antibacterial agent is reduced, the antibacterial time of the ink dry of the high-gloss composite ink for film printing in a humid environment is significantly increased, which means that the reduction of the particle size of the kaolin in the composite antibacterial agent is beneficial to prolonging the antibacterial ability time of the ink dry of the high-gloss composite ink for film printing in a humid environment, which is probably due to the fact that the total surface area of the kaolin particles of equal quality is increased as the particle size of the kaolin is reduced, so that the adsorption effect of the kaolin on the antibacterial agent and the hydrophobic agent is better, thereby improving the ability of the composite antibacterial agent to prolong the antibacterial ability of the ink dry in the high-gloss composite ink for film printing.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (8)
1. A high-glossiness composite ink for film printing is characterized in that: comprises the following components in parts by weight:
12-24 parts of aqueous acrylic resin;
14-20 parts of aqueous amino resin;
6-12 parts of pigment;
40-50 parts of deionized water;
2-6 parts of compound antibacterial agent;
the compound antibacterial agent is prepared by the following method: dissolving an antibacterial agent and a hydrophobic agent in a solvent to obtain a mixed solution, soaking kaolin in the mixed solution, filtering and drying to obtain a compound antibacterial agent;
the antibacterial agent is one or more selected from carboxymethyl chitosan, triclosan and parachlorometaxylenol;
the hydrophobic agent is selected from one or more of sodium methyl silicate and perfluorooctyl triethoxysilane.
2. The high-gloss composite ink for film printing according to claim 1, wherein: the mass ratio of the antibacterial agent to the hydrophobing agent to the kaolin is (1-2) (0.5-1.5): 5.
3. The high-gloss composite ink for film printing according to claim 1, wherein: the kaolin is subjected to calcination treatment and then compounded, wherein the calcination temperature is 150-210 ℃ and the calcination time is 3-5 h.
4. The high-gloss composite ink for film printing according to claim 1, wherein: the particle size of the kaolin is 1500-2500 meshes.
5. The high-gloss composite ink for film printing according to claim 1, wherein: and also comprises 2 to 6 parts of dispersing agent.
6. The method for producing a high-gloss composite ink for film printing according to any one of claims 1 to 5, comprising the steps of:
(1) Mixing aqueous acrylic resin, aqueous amino resin, pigment and deionized water according to the proportion, adding into stirring equipment for stirring, and regulating the pH value of the system to 9-10 to obtain a dispersion;
(2) Adding the compound antibacterial agent into the dispersion in the step (1), stirring, and regulating the pH value of the system to 8.5-9.5 to obtain the high-glossiness composite ink for film printing.
7. The method for preparing the high-glossiness composite ink for film printing according to claim 6, wherein: the stirring speed in the step (1) is 400-600 r/min, the stirring time is 15-20 min, and the stirring temperature is 40-60 ℃.
8. The method for preparing the high-glossiness composite ink for film printing according to claim 6, wherein: the stirring speed in the step (2) is 200-300 r/min, the stirring time is 30-40 min, and the stirring temperature is 15-25 ℃.
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