CN111234603A - Water-based ink for printing PVC decorative material and preparation method thereof - Google Patents
Water-based ink for printing PVC decorative material and preparation method thereof Download PDFInfo
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- CN111234603A CN111234603A CN202010230191.6A CN202010230191A CN111234603A CN 111234603 A CN111234603 A CN 111234603A CN 202010230191 A CN202010230191 A CN 202010230191A CN 111234603 A CN111234603 A CN 111234603A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- 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
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Abstract
The invention belongs to the technical field of water-based ink, and provides water-based ink for printing PVC decorative materials and a preparation method thereof. The water-based ink for printing the PVC decorative material comprises the following components in parts by weight: 45-50 parts of water-based color paste, 15-20 parts of water-based acrylate emulsion, 20-25 parts of water-based acrylic modified polyurethane emulsion, 1-2 parts of water-based wax paste, 3-5 parts of pH stabilizer, 0.9-1.5 parts of defoaming agent, 0.5-1 part of flatting agent, 1-2 parts of drier and 2-5 parts of deionized water. The water-based color paste comprises the following components in parts by weight: 10-20 parts of water-based acrylic resin liquid, 33-35 parts of organic pigment, 2-4 parts of wetting dispersant, 0.9-1.5 parts of organic silicon defoamer and 40-45 parts of deionized water, wherein the drier is prepared from nano yttrium oxide, butadiene-based triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7 in a liquid mixture. Through the technical scheme, the problems of slow drying, low adhesion fastness and poor stability of the water-based ink in the prior art are solved.
Description
Technical Field
The invention belongs to the technical field of water-based ink, and relates to water-based ink for printing PVC decorative materials and a preparation method thereof.
Background
The PVC base material is applied to various decorative materials, mainly comprising PVC wallboards, PVC floors, PVC plastic flooring and the like. The printing ink used for printing PVC decorative materials at present is mainly solvent-based printing ink and is applied to the manufacture of PP woven bags and PP non-woven fabrics. The solvent ink takes an organic solvent (toluene, xylene, industrial alcohol and the like) as a solvent, the boiling point of the solvent is low, the solvent ink releases a large amount of VOCs in the drying process, the atmospheric environment is seriously polluted, and the surface of the solvent ink also has residual toxic substances after printing, so that the solvent ink has certain harm to the body of workers. The water-based ink and the solvent-based ink are mainly different in that the water-based ink takes water as a solvent, the content of VOCs is extremely low, the environmental pollution is small, and the discharge of VOCs can be greatly reduced by using the water-based ink. The conversion from solvent-based ink to environment-friendly water-based ink is of great significance to the treatment of atmospheric pollutants and the emission reduction of VOCs.
Although water-based ink is already marketed in the market at present, no water-based ink specially used for PVC decorative materials exists, and the existing water-based ink has the problems of slow drying, low adhesion and poor stability. Therefore, it is necessary to develop a water-based ink for printing PVC decorative materials.
Disclosure of Invention
The invention provides water-based ink for printing PVC decorative materials and a preparation method thereof, and solves the problems of slow drying, low adhesion fastness and poor stability of the water-based ink in the prior art.
The technical scheme of the invention is realized as follows:
the water-based ink for printing the PVC decorative material comprises the following components in parts by weight:
45-50 parts of water-based color paste, 15-20 parts of water-based acrylate emulsion, 20-25 parts of water-based acrylic modified polyurethane emulsion, 1-2 parts of water-based wax paste, 3-5 parts of pH stabilizer, 0.9-1.5 parts of defoaming agent, 0.5-1 part of flatting agent, 1-2 parts of drier and 2-5 parts of deionized water,
the water-based color paste comprises the following components in parts by weight:
10-20 parts of water-based acrylic resin liquid, 33-35 parts of organic pigment, 2-4 parts of wetting dispersant, 0.9-1.5 parts of organic silicon defoamer and 40-45 parts of deionized water.
As a further technical scheme, the paint comprises the following components in parts by weight:
47 parts of water-based color paste, 18 parts of water-based acrylate emulsion, 23 parts of water-based polyurethane emulsion, 1.5 parts of water-based wax slurry, 4 parts of pH stabilizer, 1.2 parts of defoaming agent, 0.7 part of flatting agent, 1.5 parts of drier and 3.2 parts of deionized water,
the water-based color paste comprises the following components in parts by weight:
15 parts of water-based acrylic resin liquid, 34 parts of organic pigment, 3 parts of wetting dispersant, 1.2 parts of organic silicon defoamer and 43 parts of deionized water.
As a further technical scheme, the drier is prepared from nano yttrium oxide, butadiene-based triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7 in a liquid mixture.
As a further technical scheme, the preparation method of the drier comprises the following steps: adding the polylactic acid-glycolic acid copolymer into deionized water, adding the nano yttrium oxide and the butadiene-based triethylsilane after dissolving, and performing ultrasonic dispersion for 15-20 min to obtain the drier.
As a further technical scheme, the wetting dispersant is poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1.
As a further technical scheme, the pH regulator is coconut oil fatty acyl diethanol amine.
According to a further technical scheme, the leveling agent is polyether modified polysiloxane, and the defoaming agent is polydimethylsiloxane.
The invention also provides a preparation method of the water-based ink for printing the PVC decorative material, which comprises the following steps:
s1, weighing all components according to the formula of the water-based ink for printing the PVC decorative material for later use;
s2, adding the aqueous acrylic resin liquid, the organic pigment, the wetting dispersant and the defoaming agent into deionized water, uniformly mixing, and grinding to obtain aqueous color paste;
and S3, mixing the water-based color paste, the water-based acrylate emulsion, the water-based acrylic modified polyurethane emulsion, the water-based wax slurry, the defoaming agent, the flatting agent, the drier and deionized water, stirring uniformly, and adding the pH stabilizer to obtain the water-based ink.
As a further technical scheme, in the step S2, the grinding is carried out at 20-30 ℃ until the fineness is 15-30 μm.
As a further technical scheme, in the step S3, the stirring speed is 300-500 r/min, and the stirring time is 90-150 min.
The working principle and the beneficial effects of the invention are as follows:
1. in the invention, the formula and the preparation method of the water-based ink are optimized, so that the prepared water-based ink has high drying speed after coloring, the initial drying degree is up to 19mm, the glossiness is high and is up to 92.6, moreover, the composite strength of the water-based ink and the PVC decorative material is high, the adhesion fastness is up to 99.9 percent, the solvent resistance is excellent, the appearance of the water-based ink is not changed after the water-based ink is soaked in solvents such as ethanol, hydrochloric acid, sodium hydroxide, water and the like, the stability of the water-based ink is good, and the change rate of the fluidity after heating and freezing tests is as low as 0.46 percent, which shows that the water-based ink of the invention not only has very high composite strength with PVC decorative materials, and the water-based ink has high printing speed, high glossiness, high solvent resistance and high stability, and effectively solves the problems of slow drying, low adhesion fastness and poor stability of the water-based ink in the prior art.
2. In the invention, the aqueous acrylic acid modified polyurethane emulsion is added into the aqueous ink formula, and the compatibility with the acrylic acid emulsion in the aqueous color paste is good, so that the composite strength of the aqueous ink is obviously improved, and the adhesion fastness, stability and water resistance of the aqueous ink are improved.
3. In the invention, the drier is added into the formula of the water-based ink, so that the initial drying of the water-based ink is improved, and the glossiness, solvent resistance and stability of the water-based ink are obviously improved. The drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7 under the action of the butadiene triethoxy alkyl, the yttrium oxide is matched with the polylactic acid-glycolic acid copolymer, so that the drying performance of the water-based ink is obviously improved, the printing speed of the water-based ink is improved, and the production efficiency is improved. The addition of the polylactic acid-glycolic acid copolymer obviously promotes the dispersion of the yttrium oxide in water, avoids the aggregation phenomenon of the yttrium oxide in the water caused by uneven dispersion, enables the drier to form a uniform and stable reagent, and better plays a role in drying the water-based ink. In addition, the addition of the drier also obviously improves the glossiness, ethanol resistance, alkali resistance, acid resistance, water resistance and stability of the water-based ink.
4. In the invention, the weight ratio of poloxamer to polyvinylpyrrolidone in the formula of the water-based ink is 1: the mixture of 1 is a wetting dispersant, and is added into the water-based ink, so that the ethanol resistance, alkali resistance, acid resistance, water resistance, stability and adhesion fastness of the water-based ink are obviously improved. The poloxamer and the polyvinylpyrrolidone are compatible with each other, so that the stability of a water-based ink dispersion system is maintained, the phenomena of flocculation, agglomeration and the like of organic pigments in the dispersion system are prevented, the wettability and the fluidity of the water-based ink are obviously improved, and the ethanol resistance, the alkali resistance, the acid resistance, the water resistance and the stability of the water-based ink are improved. In addition, poloxamer and polyvinylpyrrolidone are compatible with each other, so that the surface tension of the water-based ink can be reduced, the adhesion fastness of the water-based ink is improved, the printing effect of the water-based ink is improved, the quality of the water-based ink is improved compared with that of example 3, the adhesion fastness of the water-based ink prepared in comparative example 8 is relatively poor, a pH regulator in a water-based ink formula of the comparative example 8 is triethanolamine commonly used in the prior art, and the fact that coconut oil fatty acyl diethanolamine is used as the pH regulator in the invention is proved to be capable of not only keeping the pH value of the water-based ink stable, but also being compatible with a water-based acrylic modified polyurethane emulsion to further improve the adhesion fastness of the water-based ink compared with the triethanolamine commonly used in the prior art.
5. In the invention, the pH regulator in the formula of the water-based ink is coconut oil fatty acyl diethanol amine, and compared with the commonly used pH regulator triethanolamine in the prior art, the pH value of the water-based ink can be kept stable, and the water-based ink can be compatible with the water-based acrylic acid modified polyurethane emulsion, so that the adhesion fastness of the water-based ink is further improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The water-based ink for printing the PVC decorative material comprises the following components in parts by weight:
45 parts of water-based color paste, 15 parts of water-based acrylate emulsion, 20 parts of water-based acrylic modified polyurethane emulsion, 1 part of water-based wax slurry, 3 parts of pH stabilizer, 0.9 part of defoaming agent, 0.5 part of flatting agent, 1 part of drier and 2 parts of deionized water,
the water-based color paste comprises the following components in parts by weight: 15 parts of water-based acrylic resin liquid, 34 parts of organic pigment, 3 parts of wetting dispersant, 1.2 parts of organic silicon defoamer and 43 parts of deionized water; the drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7, mixing liquid; the preparation method of the drier comprises the following steps: adding polylactic acid-glycolic acid copolymer into deionized water, adding nano yttrium oxide and butadienyl triethylsilane after dissolving, and performing ultrasonic dispersion for 18min to obtain a drier; the wetting dispersant is prepared from poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1; the pH regulator is coconut oil fatty acyl diethanol amine; the leveling agent is polyether modified polysiloxane; the defoaming agent is polydimethylsiloxane;
the preparation method comprises the following steps:
s1, weighing each component according to the formula for later use;
s2, adding the water-based acrylic resin liquid, the organic pigment, the wetting dispersant and the defoaming agent into deionized water, uniformly mixing, and grinding at 20-30 ℃ until the fineness is 15-30 mu m to obtain water-based color paste;
and S3, mixing the water-based color paste, the water-based acrylate emulsion, the water-based acrylic modified polyurethane emulsion, the water-based wax slurry, the defoaming agent, the leveling agent, the drier and deionized water, stirring at 400r/min for 120min, uniformly stirring, and adding the pH stabilizer to obtain the water-based ink.
Example 2
The water-based ink for printing the PVC decorative material comprises the following components in parts by weight:
50 parts of water-based color paste, 20 parts of water-based acrylate emulsion, 25 parts of water-based acrylic modified polyurethane emulsion, 2 parts of water-based wax slurry, 5 parts of pH stabilizer, 1.5 parts of defoaming agent, 1 part of flatting agent, 2 parts of drier and 5 parts of deionized water,
the water-based color paste comprises the following components in parts by weight: 15 parts of water-based acrylic resin liquid, 34 parts of organic pigment, 3 parts of wetting dispersant, 1.2 parts of organic silicon defoamer and 43 parts of deionized water; the drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7, mixing liquid; the preparation method of the drier comprises the following steps: adding polylactic acid-glycolic acid copolymer into deionized water, adding nano yttrium oxide and butadienyl triethylsilane after dissolving, and performing ultrasonic dispersion for 18min to obtain a drier; the wetting dispersant is prepared from poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1; the pH regulator is coconut oil fatty acyl diethanol amine; the leveling agent is polyether modified polysiloxane; the defoaming agent is polydimethylsiloxane;
the preparation method is the same as that of example 1.
Example 3
The water-based ink for printing the PVC decorative material comprises the following components in parts by weight:
47 parts of water-based color paste, 18 parts of water-based acrylate emulsion, 23 parts of water-based polyurethane emulsion, 1.5 parts of water-based wax slurry, 4 parts of pH stabilizer, 1.2 parts of defoaming agent, 0.7 part of flatting agent, 1.5 parts of drier and 3.2 parts of deionized water,
the water-based color paste comprises the following components in parts by weight: 15 parts of water-based acrylic resin liquid, 34 parts of organic pigment, 3 parts of wetting dispersant, 1.2 parts of organic silicon defoamer and 43 parts of deionized water; the drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7, mixing liquid; the preparation method of the drier comprises the following steps: adding polylactic acid-glycolic acid copolymer into deionized water, adding nano yttrium oxide and butadienyl triethylsilane after dissolving, and performing ultrasonic dispersion for 18min to obtain a drier; the wetting dispersant is prepared from poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1; the pH regulator is coconut oil fatty acyl diethanol amine; the leveling agent is polyether modified polysiloxane; the defoaming agent is polydimethylsiloxane;
the preparation method is the same as that of example 1.
Example 4
The water-based ink for printing the PVC decorative material comprises the following components in parts by weight:
47 parts of water-based color paste, 18 parts of water-based acrylate emulsion, 23 parts of water-based polyurethane emulsion, 1.5 parts of water-based wax slurry, 4 parts of pH stabilizer, 1.2 parts of defoaming agent, 0.7 part of flatting agent, 1.5 parts of drier and 3.2 parts of deionized water,
the water-based color paste comprises the following components in parts by weight: 10 parts of water-based acrylic resin liquid, 33 parts of organic pigment, 2 parts of wetting dispersant, 0.9 part of organic silicon defoamer and 40 parts of deionized water; the drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7, mixing liquid; the preparation method of the drier comprises the following steps: adding a polylactic acid-glycolic acid copolymer into deionized water, dissolving, adding nano yttrium oxide and butadienyl triethylsilane, and performing ultrasonic dispersion for 15min to obtain a drier; the wetting dispersant is prepared from poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1; the pH regulator is coconut oil fatty acyl diethanol amine; the leveling agent is polyether modified polysiloxane; the defoaming agent is polydimethylsiloxane;
the preparation method is the same as that of example 1.
Example 5
The water-based ink for printing the PVC decorative material comprises the following components in parts by weight:
47 parts of water-based color paste, 18 parts of water-based acrylate emulsion, 23 parts of water-based polyurethane emulsion, 1.5 parts of water-based wax slurry, 4 parts of pH stabilizer, 1.2 parts of defoaming agent, 0.7 part of flatting agent, 1.5 parts of drier and 3.2 parts of deionized water,
the water-based color paste comprises the following components in parts by weight: 20 parts of water-based acrylic resin liquid, 35 parts of organic pigment, 4 parts of wetting dispersant, 1.5 parts of organic silicon defoamer and 45 parts of deionized water; the drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7, mixing liquid; the preparation method of the drier comprises the following steps: adding polylactic acid-glycolic acid copolymer into deionized water, dissolving, adding nano yttrium oxide and butadienyl triethylsilane, and performing ultrasonic dispersion for 20min to obtain a drier; the wetting dispersant is prepared from poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1; the pH regulator is coconut oil fatty acyl diethanol amine; the leveling agent is polyether modified polysiloxane; the defoaming agent is polydimethylsiloxane;
the preparation method is the same as that of example 1.
Example 6
The formula of the water-based ink for printing the PVC decorative material is the same as that in example 3, and the preparation method comprises the following steps:
s1, weighing each component for later use according to the formula of the embodiment 3;
s2, adding the water-based acrylic resin liquid, the organic pigment, the wetting dispersant and the defoaming agent into deionized water, uniformly mixing, and grinding at 20-30 ℃ until the fineness is 15-30 mu m to obtain water-based color paste;
and S3, mixing the water-based color paste, the water-based acrylate emulsion, the water-based acrylic modified polyurethane emulsion, the water-based wax slurry, the defoaming agent, the flatting agent, the drier and deionized water, stirring for 90min at a speed of 500r/min, and adding the pH stabilizer after stirring uniformly to obtain the water-based ink.
Example 7
The formula of the water-based ink for printing the PVC decorative material is the same as that in example 3, and the preparation method comprises the following steps:
s1, weighing each component for later use according to the formula of the embodiment 3;
s2, adding the water-based acrylic resin liquid, the organic pigment, the wetting dispersant and the defoaming agent into deionized water, uniformly mixing, and grinding at 20-30 ℃ until the fineness is 15-30 mu m to obtain water-based color paste;
and S3, mixing the water-based color paste, the water-based acrylate emulsion, the water-based acrylic modified polyurethane emulsion, the water-based wax slurry, the defoaming agent, the flatting agent, the drier and deionized water, stirring at 300r/min for 150min, and adding the pH stabilizer after stirring uniformly to obtain the water-based ink.
Comparative example 1
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, 23 minutes of water-based polyurethane emulsion is added into the formula of the water-based ink, the water-based acrylic modified polyurethane emulsion is not added, and the rest components in the formula are the same as those in example 3.
Comparative example 2
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, a drier is not added into the formula, and the rest components in the formula are the same as that in example 3.
Comparative example 3
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, and the mass ratio of the drier to the nano yttrium oxide, the polylactic acid-glycolic acid copolymer and the deionized water is 1: 3: 7, the other components in the formula are the same as in example 3.
Comparative example 4
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, and the mass ratio of the drier to the deionized water is 1: 0.2: 7, the other components in the formula are the same as in example 3.
Comparative example 5
The preparation method of the water-based ink for printing the PVC decorative material is the same as that of the example 1, and the preparation method of the drier in the formula comprises the following steps: adding a polylactic acid-glycolic acid copolymer into deionized water, dissolving, adding nano yttrium oxide and butadiene-based triethylsilane, and stirring and dispersing for 15-20 min to obtain a drier; the remaining components in the formulation were the same as in example 3.
Comparative example 6
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, the wetting dispersant in the formula is poloxamer, and the other components in the formula are the same as those in example 3.
Comparative example 7
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, the wetting dispersant in the formula is polyvinylpyrrolidone, and the other components in the formula are the same as those in example 3.
Comparative example 8
The preparation method of the water-based ink for printing the PVC decorative material is the same as that in example 1, the pH regulator in the formula is triethanolamine, and the other components in the formula are the same as those in example 3.
The following performance tests were performed on the water-based inks of examples 1 to 7 and comparative examples 1 to 8:
1. gloss: the samples were tested for gloss according to the method specified in GB/T13217.2-2009 "liquid ink color gloss methods";
2. initial drying: the samples were tested for initial drying according to the method specified in GB/T13217.5-2008 "test method for initial drying of liquid ink
3. And (3) fastness to adhesion: the samples were tested for adhesion according to the method specified in GB/T13217.7-2009 test methods for liquid ink adhesion fastness;
4. ethanol resistance, alkali resistance, acid resistance and water resistance: the acid and alkali resistance and the water resistance of the samples were respectively tested according to the methods specified in GB/T18724-2008 "determination of resistance to various reagents for printed matter and printing ink in printing technology".
5. Stability: testing the fluidity of the ink sample, then putting the ink sample into a 75-80 ℃ self-control thermostat and a-15-20 ℃ freezer for 72 hours, taking out, storing for 3 hours at room temperature, testing the fluidity of the sample, comparing the fluidity with that of the sample which is not subjected to heating and freezing tests, and recording the change rate of the fluidity of the sample after the heating and freezing tests; wherein, the test of the fluidity of the sample is carried out according to the method specified in GB/T14624.3-2008 & lt & ltoffset printing ink fluidity test method';
6. content of harmful elements: according to QB/T2930.1-2008, Limit of certain harmful elements in ink and determination method part 1: soluble elements, QB/T2930.2-2008, Limit of certain harmful elements in inks and methods for determination thereof part 2: the content of harmful elements in a sample is tested by a method specified in Pb, Hg, Cd and hexavalent Cr;
the test results are given in the following table:
TABLE 1 results of performance test of the water-based inks prepared in examples 1 to 7 and comparative examples 1 to 8
As can be seen from the data in table 1, the water-based ink prepared in embodiments 1 to 7 of the present invention has a fast drying speed after coloring, an initial drying degree of 19mm, a high glossiness of 92.6, a high composite strength between the water-based ink and the PVC decoration material, an adhesion fastness of 99.9%, excellent solvent resistance, no change in appearance of the water-based ink after soaking in solvents such as ethanol, hydrochloric acid, sodium hydroxide, and water, and a good stability of the water-based ink, and a low fluidity change rate after heating and freezing tests of 0.46%, which indicates that the water-based ink of the present invention has a very high composite strength with the PVC decoration material, and the water-based ink has a fast printing speed, a high glossiness, and high solvent resistance and stability, and effectively solves the problems of slow drying, low adhesion fastness, and poor stability of the water-based ink in the prior art. . In examples 1 to 7, the water-based ink of example 3 has better properties, which indicates that the water-based ink obtained by the formulation and the preparation method of example 3 has relatively better overall properties.
Compared with the example 3, the water-based ink prepared in the comparative example 1 has poorer adhesion fastness, stability and water resistance, and the water-based ink formula in the comparative example 1 is added with the water-based polyurethane emulsion without adding the water-based acrylic modified polyurethane emulsion, so that the water-based acrylic modified polyurethane emulsion has good miscibility with the acrylic emulsion in the water-based color paste, thereby obviously improving the composite strength of the water-based ink and improving the adhesion fastness, stability and water resistance of the water-based ink.
Compared with example 3, the initial drying property, the glossiness, the ethanol resistance, the alkali resistance, the acid resistance, the water resistance and the stability of the water-based ink prepared in the comparative example 2 are poor, no drier is added into the water-based ink formula of the comparative example 2, no butadienyl triethoxysilane is added into the drier in the water-based ink formula of the comparative example 3, no polylactic acid-glycolic acid copolymer is added into the drier in the water-based ink formula of the comparative example 4, and ultrasonic dispersion is not adopted in the preparation method of the drier in the water-based ink formula of the comparative example 5, which indicates that the addition of the drier not only improves the initial drying property of the water-based ink, but also obviously improves the glossiness, the solvent resistance and the stability of the water-based ink. The drier is prepared from nano yttrium oxide, butadiene-triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7 under the action of the butadiene triethoxy alkyl, the yttrium oxide is matched with the polylactic acid-glycolic acid copolymer, so that the drying performance of the water-based ink is obviously improved, the printing speed of the water-based ink is improved, and the production efficiency is improved. The addition of the polylactic acid-glycolic acid copolymer obviously promotes the dispersion of the yttrium oxide in water, avoids the aggregation phenomenon of the yttrium oxide in the water caused by uneven dispersion, enables the drier to form a uniform and stable reagent, and better plays a role in drying the water-based ink. In addition, the addition of the drier also obviously improves the glossiness, ethanol resistance, alkali resistance, acid resistance, water resistance and stability of the water-based ink.
Compared with example 3, the water-based inks prepared in comparative examples 6 to 7 are relatively low in ethanol resistance, alkali resistance, acid resistance, water resistance, stability and adhesion fastness, the wetting dispersant in the water-based ink formula of comparative example 6 is poloxamer, the wetting dispersant in the water-based ink formula of comparative example 7 is polyvinylpyrrolidone, and the mass ratio of poloxamer to polyvinylpyrrolidone is 1: the mixture of 1 is a wetting dispersant, and is added into the water-based ink, so that the ethanol resistance, alkali resistance, acid resistance, water resistance, stability and adhesion fastness of the water-based ink are obviously improved. The poloxamer and the polyvinylpyrrolidone are compatible with each other, so that the stability of a water-based ink dispersion system is maintained, the phenomena of flocculation, agglomeration and the like of organic pigments in the dispersion system are prevented, the wettability and the fluidity of the water-based ink are obviously improved, and the ethanol resistance, the alkali resistance, the acid resistance, the water resistance and the stability of the water-based ink are improved. In addition, poloxamer and polyvinylpyrrolidone are compatible with each other, so that the surface tension of the water-based ink can be reduced, the adhesion fastness of the water-based ink is improved, the printing effect of the water-based ink is improved, the quality of the water-based ink is improved compared with that of example 3, the adhesion fastness of the water-based ink prepared in comparative example 8 is relatively poor, a pH regulator in a water-based ink formula of the comparative example 8 is triethanolamine commonly used in the prior art, and the fact that coconut oil fatty acyl diethanolamine is used as the pH regulator in the invention is proved to be capable of not only keeping the pH value of the water-based ink stable, but also being compatible with a water-based acrylic modified polyurethane emulsion to further improve the adhesion fastness of the water-based ink compared with the triethanolamine commonly used in the prior art.
TABLE 2 harmful substance content in Water-based inks prepared in examples 1 to 7 and comparative examples 1 to 8
As can be seen from Table 2, the water-based inks of examples 1 to 7 and comparative examples 1 to 8 do not detect harmful elements such as lead, mercury, cadmium, hexavalent chromium, barium, arsenic, selenium, antimony and the like, which indicates that the water-based ink of the present invention is safe and environment-friendly and is suitable for popularization and application.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The water-based ink for printing the PVC decorative material is characterized by comprising the following components in parts by weight:
45-50 parts of water-based color paste, 15-20 parts of water-based acrylate emulsion, 20-25 parts of water-based acrylic modified polyurethane emulsion, 1-2 parts of water-based wax paste, 3-5 parts of pH stabilizer, 0.9-1.5 parts of defoaming agent, 0.5-1 part of flatting agent, 1-2 parts of drier and 2-5 parts of deionized water,
the water-based color paste comprises the following components in parts by weight:
10-20 parts of water-based acrylic resin liquid, 33-35 parts of organic pigment, 2-4 parts of wetting dispersant, 0.9-1.5 parts of organic silicon defoamer and 40-45 parts of deionized water.
2. The water-based ink for printing PVC decorative materials as claimed in claim 1, which is characterized by comprising the following components in parts by weight:
47 parts of water-based color paste, 18 parts of water-based acrylate emulsion, 23 parts of water-based polyurethane emulsion, 1.5 parts of water-based wax slurry, 4 parts of pH stabilizer, 1.2 parts of defoaming agent, 0.7 part of flatting agent, 1.5 parts of drier and 3.2 parts of deionized water,
the water-based color paste comprises the following components in parts by weight:
15 parts of water-based acrylic resin liquid, 34 parts of organic pigment, 3 parts of wetting dispersant, 1.2 parts of organic silicon defoamer and 43 parts of deionized water.
3. The water-based ink for printing PVC decorative materials as claimed in claim 1 or 2, wherein the drier is nano yttrium oxide, butadiene-based triethoxysilane, polylactic acid-glycolic acid copolymer and deionized water in a mass ratio of 1: 0.2: 3: 7 in a liquid mixture.
4. The water-based ink for printing PVC decorative materials as claimed in claim 3, wherein the preparation method of the drier comprises the following steps: adding the polylactic acid-glycolic acid copolymer into deionized water, adding the nano yttrium oxide and the butadiene-based triethylsilane after dissolving, and performing ultrasonic dispersion for 15-20 min to obtain the drier.
5. The water-based ink for printing PVC decorative materials as claimed in claim 3, wherein the wetting dispersant is poloxamer and polyvinylpyrrolidone in a mass ratio of 1: 1.
6. The aqueous ink for printing PVC decorative material as claimed in claim 3, wherein the pH regulator is coconut oil fatty diethanol amide.
7. The PVC decorative material printing water-based ink as claimed in claim 3, wherein the leveling agent is polyether modified polysiloxane, and the defoaming agent is polydimethylsiloxane.
8. A preparation method of water-based ink for printing PVC decorative materials is characterized by comprising the following steps:
s1, weighing all components for later use according to the formula of the water-based ink for printing the PVC decorative material, which is disclosed by any one of claims 1 to 7;
s2, adding the aqueous acrylic resin liquid, the organic pigment, the wetting dispersant and the defoaming agent into deionized water, uniformly mixing, and grinding to obtain aqueous color paste;
and S3, mixing the water-based color paste, the water-based acrylate emulsion, the water-based acrylic modified polyurethane emulsion, the water-based wax slurry, the defoaming agent, the flatting agent, the drier and deionized water, stirring uniformly, and adding the pH stabilizer to obtain the water-based ink.
9. The method for preparing the water-based ink for printing the PVC decorative material as claimed in claim 8, wherein the grinding in step S2 is carried out at 20-30 ℃ until the fineness is 15-30 μm.
10. The method for preparing water-based ink for printing PVC decorative materials according to claim 8, wherein the stirring speed in step S3 is 300-500 r/min, and the stirring time is 90-150 min.
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| CN113563755A (en) * | 2021-08-23 | 2021-10-29 | 昆山大世界油墨涂料有限公司 | Quick-drying printing ink for soft PVC and preparation method thereof |
| CN114086431A (en) * | 2021-11-15 | 2022-02-25 | 杭州中润华源装饰材料有限公司 | High-stain-resistance decorative paper and preparation method thereof |
| CN114316715A (en) * | 2021-12-06 | 2022-04-12 | 深圳市深赛尔股份有限公司 | High-molecular fast-drying type tank-making water-based paint and preparation method thereof |
| CN115093743A (en) * | 2022-06-22 | 2022-09-23 | 深圳市凌普鑫科技有限公司 | Environment-friendly water-based ink and preparation method thereof |
| CN115584162A (en) * | 2022-11-23 | 2023-01-10 | 山东东宇鸿翔柜橱材料有限公司 | Water-based ink for gravure printing of PVC (polyvinyl chloride) seal strip and synthesis process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113563755A (en) * | 2021-08-23 | 2021-10-29 | 昆山大世界油墨涂料有限公司 | Quick-drying printing ink for soft PVC and preparation method thereof |
| CN114086431A (en) * | 2021-11-15 | 2022-02-25 | 杭州中润华源装饰材料有限公司 | High-stain-resistance decorative paper and preparation method thereof |
| CN114316715A (en) * | 2021-12-06 | 2022-04-12 | 深圳市深赛尔股份有限公司 | High-molecular fast-drying type tank-making water-based paint and preparation method thereof |
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| CN115584162A (en) * | 2022-11-23 | 2023-01-10 | 山东东宇鸿翔柜橱材料有限公司 | Water-based ink for gravure printing of PVC (polyvinyl chloride) seal strip and synthesis process thereof |
| CN115584162B (en) * | 2022-11-23 | 2023-10-03 | 山东东宇鸿翔柜橱材料有限公司 | Water-based ink for gravure printing of PVC edge banding strip and synthesis process thereof |
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