1. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink is characterized by comprising the following steps of:

s1: firstly, putting the pigment to be used into a grinder for grinding;

s2: sequentially putting polyurethane resin, polyether glycol, a chlorohydrin resin screen head material, aldehyde resin, water-based amino resin, a cosolvent and dibutyl dilaurate into a mixer, and mixing and stirring;

s3: putting the ground pigment and the stirred solution into a dispersing machine, and putting the pigment in batches for multiple times to achieve the aim of dispersing and centrifuging;

s4: after the pigment and the solution are mixed, the mixture is moved out by a dispersion machine and put into a heating box, and meanwhile, a thickening agent is put into the mixture to accelerate the fusion rate of the thickening agent and the printing ink;

s5: taking out the ink after heating, standing and cooling, and sequentially adding propylene glycol, polyethylene wax, a manganese naphthenate styrene solution with the concentration of 10 percent by mass, xylene and methyl paraben into the ink in the cooling process;

s6: after the printing ink is in a normal temperature state, adding a surfactant, and stirring by a stirrer to fully mix the surfactant and the printing ink to prepare a printing ink finished product;

s7: and (5) subpackaging the finished product ink.

2. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in the step S1, a vibrating screen is arranged in a grinding machine, and the mesh of the vibrating screen is 500 meshes.

3. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in S2, the ratio of the water-based amino resin to the cosolvent to the dibutyl dilaurate is 6:3:1, and the cosolvent is ethyl acetate.

4. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in the step S3, the rotating speed interval of the dispersion machine is 200r/min-600r/min, the increment interval is 50r, and the interval is 5 min.

5. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in the step S4, the heating box is an electric heating box, a filling port is arranged on the electric heating box, and the thickening agent is methacrylic acid.

6. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in the S5, the ratio of propylene glycol, polyethylene wax, 10% manganese naphthenate styrene solution by mass, xylene and methyl paraben is 1:2:3.2:1.3: 4.

7. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in the step S6, the surfactant is sodium dodecyl benzene sulfonate, the rotation speed of the stirrer is 265r/min, and the stirring time is 25min-30 min.

8. The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink as claimed in claim 1, wherein in the step S7, the finished ink is stored in a vacuum packaging manner.

Background

The Water-based ink is called Water ink for short, and the Water-based ink of the flexographic plate is called liquid ink, and is mainly prepared by compounding, grinding and processing 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.

At present, the water-based ink is often low in viscosity, so that a large amount of time is needed for drying after coating, and the production efficiency is low, so that a preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink is provided for solving the problems.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a preparation process of a quick-drying wear-resistant environment-friendly composite water-based ink.

The preparation process of the quick-drying wear-resistant environment-friendly composite water-based ink provided by the invention comprises the following steps of:

s1: firstly, putting the pigment to be used into a grinder for grinding;

s2: sequentially putting polyurethane resin, polyether glycol, a chlorohydrin resin screen head material, aldehyde resin, water-based amino resin, a cosolvent and dibutyl dilaurate into a mixer, and mixing and stirring;

s3: putting the ground pigment and the stirred solution into a dispersing machine, and putting the pigment in batches for multiple times to achieve the aim of dispersing and centrifuging;

s4: after the pigment and the solution are mixed, the mixture is moved out by a dispersion machine and put into a heating box, and meanwhile, a thickening agent is put into the mixture to accelerate the fusion rate of the thickening agent and the printing ink;

s5: taking out the ink after heating, standing and cooling, and sequentially adding propylene glycol, polyethylene wax, a manganese naphthenate styrene solution with the concentration of 10 percent by mass, xylene and methyl paraben into the ink in the cooling process;

s6: after the printing ink is in a normal temperature state, adding a surfactant, and stirring by a stirrer to fully mix the surfactant and the printing ink to prepare a printing ink finished product;

s7: and (5) subpackaging the finished product ink.

Preferably, in S1, a vibrating screen is arranged in the grinder, and the mesh of the vibrating screen is 500 meshes.

Preferably, in the S2, the ratio of the aqueous amino resin to the cosolvent to the dibutyl dilaurate is 6:3:1, and the cosolvent is ethyl acetate.

Preferably, in S3, the rotation speed interval of the dispersion machine is 200r/min to 600r/min, the increment interval is 50r, and the interval is 5 min.

Preferably, in S4, the heating box is an electric heating box, the electric heating box is provided with an injection port, and the thickening agent is methacrylic acid.

Preferably, in the S5, the ratio of the propylene glycol, the polyethylene wax, the 10% manganese naphthenate styrene solution, the xylene and the methyl paraben is 1:2:3.2:1.3: 4.

Preferably, in S6, the surfactant is sodium dodecyl benzene sulfonate, the rotation speed of the stirrer is 265r/min, and the stirring time is 25min-30 min.

Preferably, in S7, the finished ink is stored in a vacuum package manner.

The invention has the beneficial effects that: firstly, putting a pigment to be used into a grinder for grinding, screening the ground pigment by using a vibrating screen arranged in the grinder, simultaneously putting polyurethane resin, polyether glycol, a chlorohydrin resin sieve head material, aldehyde resin, water-based amino resin, a cosolvent and dibutyl dilaurate into a mixer in sequence for mixing and stirring, arranging a heating constant-temperature device in the mixer, and when mixing the polyurethane resin, the polyether glycol, the chlorohydrin resin sieve head material, the aldehyde resin, the water-based amino resin, the cosolvent and the dibutyl dilaurate, reducing the viscosity of the mixture, putting the ground pigment and the stirred solution into a dispersion machine, and putting the pigment into the dispersion machine for multiple times in batches to achieve the purpose of dispersion and centrifugation;

after mixing the pigment and the solution, moving out the mixture by a dispersion machine, putting the mixture into a heating box, simultaneously putting a thickening agent into the heating box to accelerate the fusion rate of the thickening agent and the printing ink, heating the mixture, taking the mixture out, standing and cooling the mixture, sequentially putting propylene glycol, polyethylene wax, a manganese naphthenate styrene solution with the concentration of 10 percent by mass, xylene and methyl paraben into the printing ink in the cooling process, adding a surfactant after the printing ink is in a normal temperature state, and stirring the mixture by a stirrer to fully mix the surfactant and the printing ink to prepare a finished printing ink product;

in the ink preparation step, the surfactant taking sodium dodecyl benzene sulfonate as a base material is added, so that the ink can be dried quickly when being coated, and the drying time of the ink can be greatly shortened when the ink is used, so that the working efficiency can be effectively improved.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Example 1

The invention provides a preparation process of quick-drying wear-resistant environment-friendly composite water-based ink, which comprises the following steps:

s1: firstly, putting the pigment to be used into a grinder for grinding;

s2: sequentially putting polyurethane resin, polyether glycol, a chlorohydrin resin screen head material, aldehyde resin, water-based amino resin, a cosolvent and dibutyl dilaurate into a mixer, and mixing and stirring;

s3: putting the ground pigment and the stirred solution into a dispersing machine, and putting the pigment in batches for multiple times to achieve the aim of dispersing and centrifuging;

s4: after the pigment and the solution are mixed, the mixture is moved out by a dispersion machine and put into a heating box, and meanwhile, a thickening agent is put into the mixture to accelerate the fusion rate of the thickening agent and the printing ink;

s5: taking out the ink after heating, standing and cooling, and sequentially adding propylene glycol, polyethylene wax, a manganese naphthenate styrene solution with the concentration of 10 percent by mass, xylene and methyl paraben into the ink in the cooling process;

s6: after the printing ink is in a normal temperature state, adding a surfactant, and stirring by a stirrer to fully mix the surfactant and the printing ink to prepare a printing ink finished product;

s7: and (5) subpackaging the finished product ink.

In this embodiment, in S1, a vibrating screen is disposed in the grinder, and the mesh of the vibrating screen is 500 meshes.

In this example, in S2, the ratio of the aqueous amino resin, the cosolvent, and dibutyl dilaurate was 6:3:1, and the cosolvent was ethyl acetate.

In this embodiment, in S3, the rotation speed interval of the dispersion machine is 200r/min, the increment interval is 50r, and the interval is 5 min.

In this embodiment, in S4, the heating box is an electric heating box, the electric heating box is provided with an injection port, and the thickener is methacrylic acid.

In this example, in S5, the ratio of propylene glycol, polyethylene wax, 10% manganese naphthenate styrene solution, xylene, and methyl paraben is 1:2:3.2:1.3: 4.

In this embodiment, in S6, the surfactant is sodium dodecylbenzenesulfonate, the rotation speed of the stirrer is 265r/min, and the stirring time is 25 min.

In this example, in S7, the finished ink is stored in a vacuum package.

Example 2

The invention provides a preparation process of quick-drying wear-resistant environment-friendly composite water-based ink, which comprises the following steps:

s1: firstly, putting the pigment to be used into a grinder for grinding;

s2: sequentially putting polyurethane resin, polyether glycol, a chlorohydrin resin screen head material, aldehyde resin, water-based amino resin, a cosolvent and dibutyl dilaurate into a mixer, and mixing and stirring;

s3: putting the ground pigment and the stirred solution into a dispersing machine, and putting the pigment in batches for multiple times to achieve the aim of dispersing and centrifuging;

s4: after the pigment and the solution are mixed, the mixture is moved out by a dispersion machine and put into a heating box, and meanwhile, a thickening agent is put into the mixture to accelerate the fusion rate of the thickening agent and the printing ink;

s5: taking out the ink after heating, standing and cooling, and sequentially adding propylene glycol, polyethylene wax, a manganese naphthenate styrene solution with the concentration of 10 percent by mass, xylene and methyl paraben into the ink in the cooling process;

s6: stirring the ink in a stirrer after the ink is in a normal temperature state to prepare a finished ink product;

s7: and (5) subpackaging the finished product ink.

In this embodiment, in S1, a vibrating screen is disposed in the grinder, and the mesh of the vibrating screen is 500 meshes.

In this example, in S2, the ratio of the aqueous amino resin, the cosolvent, and dibutyl dilaurate was 6:3:1, and the cosolvent was ethyl acetate.

In this embodiment, in S3, the rotation speed interval of the dispersion machine is 200r/min, the increment interval is 50r, and the interval is 5 min.

In this embodiment, in S4, the heating box is an electric heating box, the electric heating box is provided with an injection port, and the thickener is methacrylic acid.

In this example, in S5, the ratio of propylene glycol, polyethylene wax, 10% manganese naphthenate styrene solution, xylene, and methyl paraben is 1:2:3.2:1.3: 4.

In this embodiment, in S6, the rotation speed of the agitator is 265r/min, and the agitation time is 25 min.

In this example, in S7, the finished ink is stored in a vacuum package.

The performance tests of example 1 and example 2 were carried out, and the test results were as follows:

as can be seen from the upper surface, the drying speed of the water-based ink prepared by the invention is fast and the drying time is short after coating.

The working principle is as follows: firstly, putting a pigment to be used into a grinding machine for grinding, screening the ground pigment by using a vibrating screen arranged in the grinding machine, simultaneously putting polyurethane resin, polyether glycol, a chlorohydrin resin sieve head material, aldehyde resin, water-based amino resin, a cosolvent and dibutyl dilaurate into a mixer in sequence for mixing and stirring, arranging a heating constant-temperature device in the mixer, reducing the viscosity of the mixture when mixing the polyurethane resin, the polyether glycol, the chlorohydrin resin sieve head material, the aldehyde resin, the water-based amino resin, the cosolvent and the dibutyl dilaurate, putting the ground pigment and the stirred solution into a dispersing machine for multiple times in batches, and putting the pigment into the dispersing machine for multiple times in batches to achieve the purpose of dispersing and centrifuging, removing the pigment and the solution from the dispersing machine after mixing, putting the pigment and the solution into a heating box, meanwhile, a thickening agent is put into the printing ink to accelerate the fusion rate of the thickening agent and the printing ink, the printing ink is taken out after being heated and is statically cooled, propylene glycol, polyethylene wax, a manganese naphthenate styrene solution with the concentration of 10 percent by mass, xylene and methyl paraben are sequentially put into the printing ink in the cooling process, and a surfactant is added after the printing ink is in a normal temperature state and is stirred by a stirrer to fully mix the surfactant and the printing ink to prepare a finished printing ink product.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.