CN111876015A - Gravure printing water-based ink for PVC plastic film and preparation method thereof - Google Patents
Gravure printing water-based ink for PVC plastic film and preparation method thereof Download PDFInfo
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- CN111876015A CN111876015A CN202010841259.4A CN202010841259A CN111876015A CN 111876015 A CN111876015 A CN 111876015A CN 202010841259 A CN202010841259 A CN 202010841259A CN 111876015 A CN111876015 A CN 111876015A
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- water
- based ink
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- pvc plastic
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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
-
- 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
-
- 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
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- 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
Abstract
The invention relates to gravure water-based ink for a PVC plastic film and a preparation method thereof, belonging to the technical field of water-based ink; comprises the following components in percentage by weight: 12-17 parts of resin, 9-36 parts of pigment, 1-18 parts of dispersing agent, 0-1 part of defoaming agent, 10-30 parts of cosolvent, 0-1 part of wetting agent and the balance of water; the ink is prepared by passing the resin-free color paste through a high-speed grinding device, or directly prepared. According to the invention, through a multi-formula experiment, other physical properties such as the adhesion fastness of the water-based ink on PVC are obviously improved.
Description
Technical Field
The invention belongs to the technical field of water-based ink, and particularly relates to gravure water-based ink for a PVC plastic film and a preparation method thereof.
Background
The VOC of the traditional solvent type gravure ink is more than 60 percent, while the water-based ink is a uniform slurry-like substance which is mainly formed by grinding and dispersing water-soluble resin, organic pigment, water, alcohol and an auxiliary agent, and can remarkably reduce the organic volatile matters (VOC is less than 30 percent) in the ink. When the water-based ink is prepared and printed for use, the volatilization of organic volatile matters can be greatly reduced, the working environment is relatively safe, and petroleum resources can be saved. However, the plasticizer on the current polyvinyl chloride (PVC) causes poor adhesion of the printing ink to a printing stock, so that the development and research of the high-quality water-based PVC plastic gravure printing ink have good market prospect and social benefit.
Disclosure of Invention
The invention aims to provide gravure printing water-based ink for a PVC plastic film and a preparation method thereof, and aims to solve the technical problem that the traditional solvent-based ink can volatilize a large amount of VOCs with low concentration, and the adhesive force of the ink to a printing stock is poor due to the action of a plasticizer on polyvinyl chloride (PVC).
In order to achieve the purpose, the specific technical scheme of the gravure water-based ink for the PVC plastic film and the preparation method thereof is as follows:
the traditional solvent-based ink can volatilize a large amount of VOCs (more than 60%) with low concentration, especially gravure ink with large consumption, and the water-based ink is used as environment-friendly ink, so that the content of organic volatile matters in the ink can be obviously reduced (the VOCs is less than 30%), and various safety factors are high.
Polyvinyl chloride (PVC) is a non-absorbent printing material, and the problem of plasticizer migration exists, the defects of poor adhesion, slow drying, poor glossiness, easy occurrence of small white points and the like still exist in the existing printing of water-based ink on the surface of PVC plastic, and the adhesion fastness of the water-based ink on PVC is improved through a multi-formula experiment.
The gravure printing water-based ink for the PVC plastic film comprises the following components in percentage by weight:
12 to 17 percent of resin;
9 to 36 percent of pigment;
1 to 18 percent of dispersant;
0 to 1 percent of defoaming agent;
10 to 30 percent of cosolvent;
0 to 1 percent of wetting agent;
the balance being water.
Further, the resin is one of water-based polyurethane or acrylic resin with different types, and the proportion is a solid content proportion.
Further, the pigment is alkali-resistant inorganic pigment titanium dioxide or carbon black or organic pigment.
Further, the dispersant is an active agent having a small surface property and a molecular weight of several thousands.
Further, the dispersant is a mixture of maleic anhydride and a single polymer or at least two polymers;
the polymer is olefin copolymer or polyacrylate or polyoxyethylene (aryl) ether.
Further, the defoaming agent is acetylene glycol or organic silicon or mineral oil single polymer or a mixture of at least two polymers.
Further, the cosolvent is ethanol, and the wetting agent is propylene glycol methyl ether.
A preparation method of gravure water-based ink for PVC plastic films comprises the following steps in sequence: this patent is through adopting high-speed grinding equipment to prepare no resin mill base, and the waterborne intaglio ink that is applicable to on polyvinyl chloride (PVC) plastic film is prepared to polyurethane or polyacrylate of chooseing the different grade type respectively again, specifically as follows:
step S1, preparing resin-free water-based color paste: weighing 15-18% of dispersing agent, 32-36% of pigment, 0.1-0.5% of defoaming agent and the balance of water according to the formula ratio, sequentially adding the dispersing agent, the pigment, the defoaming agent and the balance of water into a grinding tank, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing for more than 4 hours by a high-speed grinder, and grinding until the fineness of the color paste is below 15 mu m to obtain the water-based color paste by filtering;
step S2, preparing ink from resin-free water-based color paste: weighing 10-15% of cosolvent, 0-1% of wetting agent and 15-17% of resin according to the formula proportion, adding 33-35% of self-made resin-free color paste prepared in the step S1 and the balance of water into a grinding tank in sequence, stirring uniformly, adjusting the pH to 7.5-8.5, adding a proper amount of glass beads, grinding and dispersing for more than 4 hours by a high-speed grinder, grinding until the fineness of the color paste is less than 15 mu m, and filtering to obtain the water-based ink.
A preparation method of gravure printing water-based ink for PVC plastic films comprises the following steps of weighing 12% -17% of resin, 10% -15% of cosolvent, 9% -36% of pigment, 0% -1% of wetting agent, 1% -5% of dispersing agent, 0% -1% of defoaming agent and water according to a formula proportion, sequentially adding the weighed materials into a grinding tank, adjusting the pH value to 7.5-8.5, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing for more than 4 hours by using a grinder, grinding until the fineness of the water-based ink is below 15 mu m, and filtering to obtain the water-based ink.
The gravure printing water-based ink for the PVC plastic film and the preparation method thereof have the following advantages: according to the preparation method, other physical properties such as adhesion fastness of the water-based ink on PVC are improved through a multi-formula experiment; by screening raw materials of the printing ink, optimizing the formula proportion and the like, the high-quality PVC water-based gravure printing ink is developed, and the other properties of the printing ink, such as adhesion fastness, fineness, temperature resistance, adhesion resistance and the like, all meet the national standard.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following will describe in detail a gravure printing water-based ink for PVC plastic film and a method for preparing the same in connection with the following examples.
The invention reduces the emission of organic volatile matters to a great extent when the water-based ink is prepared, stored, printed and used, and the like, has relatively safe working environment, can reduce the residual solvent of printed matters, and saves petroleum resources.
The board and wood combined furniture decorated by PVC veneering paper occupies the main furniture market with the advantages of low price and the like. The water-based ink is applied to the PVC overlay paper, so that the decorative paper can present different pattern types, and various taste requirements are widely met. Gravure printing is also widely used for flexible plastic packaging because of its advantages such as clear layers, rich colors, thick ink colors, etc.
Example 1:
the formula is as follows: BYK190 dispersant 18%
254% red pigment 36%
0.5 percent of defoaming agent
The balance being water
The preparation method comprises the following steps: the dispersing agent, the auxiliary agent, the pigment, the water and the like are weighed according to the formula proportion and are sequentially added into a glass grinding tank, the mixture is uniformly stirred, then a proper amount of glass beads are added, the mixture is ground and dispersed for more than 4 hours by a high-speed grinding machine, and the mixture is ground until the fineness of the color paste is less than 15 mu m, so that the water-based color paste can be obtained through filtration.
After the color paste is obtained, the ink is prepared according to the following formula:
33 percent of resin-free color paste
Cosolvent (ethanol) 10%
0.2 percent of wetting agent
16 percent of polyurethane resin
Balance of water
The ink preparation method comprises the following steps: and weighing the resin-free color paste, the resin, the ethanol, the base material wetting agent, the water and the like according to the formula proportion, sequentially adding the resin-free color paste, the resin, the ethanol, the base material wetting agent, the water and the like into a beaker, and quickly and uniformly stirring the mixture by using a stirrer to obtain the water-based ink. The performance test results of the aqueous color ink prepared by the resin-free color paste are shown in the table 1:
table 1.
As can be seen from Table 1, in the aqueous red ink prepared from the resin-free color paste prepared from the polyurethane resin and BYK190, the resins with the types of 8155, 233, 1502, 2330, 1246 and 135 all have 100 percent of adhesion fastness on transparent PVC and white PVC; the water-based inks prepared from 233 and 1502 resins have the best combination of properties.
Example 2: color ink
15 percent of polyurethane
Pigment 12%
2 percent of dispersant
1 percent of defoaming agent
30 percent of ethanol
The balance being water
The preparation method of the color ink comprises the following steps: weighing resin, an auxiliary agent, an organic pigment, ethanol and water according to a formula proportion of the color ink, sequentially adding the resin, the auxiliary agent, the organic pigment, the ethanol and the water into a grinding tank, adjusting the pH to 7.5-8.5, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing the glass beads for more than 4 hours by a grinder, grinding the glass beads until the fineness of the water ink is below 15 mu m, and filtering to obtain the water-based ink.
Example 3: white ink
15 percent of polyurethane
30 percent of titanium dioxide
2 percent of dispersant
1 percent of defoaming agent
30 percent of ethanol
The balance being water
The preparation method of the white ink comprises the following steps: weighing the resin, the auxiliary agent, the titanium dioxide, the ethanol and the water according to the proportion of the white ink formula, sequentially adding the mixture into a grinding tank, adjusting the pH to 7.5-8.5, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing for more than 3 hours by a grinder, grinding until the fineness of the water ink is below 15 mu m, and filtering to obtain the water-based ink.
The performance test of the red-blue black-and-white water-based gravure ink prepared by the waterborne polyurethane of the embodiment 2 and the embodiment 3 is shown in a table 2;
table 2.
As shown in Table 2, the aqueous polyurethane inks prepared in examples 2 and 3 and the aqueous ink prepared from 233 aqueous polyurethane can be applied to PVC well, the viscosity of the aqueous ink is 11 s-12 s/3 #, the glossiness is 23-26 °/(60 °), the initial drying is 0.7-0.8 cm/30s, the adhesion fastness on PVC is 100%, and the bonding fastness on PVC is 100%.
Example 4: color ink
Polyacrylate resin 15%
Pigment 12%
2 percent of dispersant
1 percent of defoaming agent
30 percent of ethanol
The balance being water
The preparation method of the color ink comprises the following steps: weighing resin, an auxiliary agent, an organic pigment, ethanol and water according to a formula proportion of the color ink, sequentially adding the resin, the auxiliary agent, the organic pigment, the ethanol and the water into a grinding tank, adjusting the pH to 7.5-8.5, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing the glass beads for more than 4 hours by a grinder, grinding the glass beads until the fineness of the water ink is below 15 mu m, and filtering to obtain the water-based ink.
Example 5: white ink
Polyacrylate resin 15%
30 percent of titanium dioxide
2 percent of dispersant
1 percent of defoaming agent
30 percent of ethanol
The balance being water
The preparation method of the white ink comprises the following steps: weighing the resin, the auxiliary agent, the titanium dioxide, the ethanol and the water according to the proportion of the white ink formula, sequentially adding the mixture into a grinding tank, adjusting the pH to 7.5-8.5, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing for more than 3 hours by a grinder, grinding until the fineness of the water ink is below 15 mu m, and filtering to obtain the water-based ink.
Ink performance tests on the aqueous polyacrylate resins of example 4 and example 5 are shown in Table 3;
table 3.
As shown in Table 3, the aqueous polyacrylate inks prepared in examples 4 and 5 and the aqueous ink prepared from 958 aqueous polyacrylate resin can be applied to PVC well, and the viscosity of the aqueous ink is 12.3 s/Chao 3#, the glossiness is 40.7 °/(60 °), the initial drying is 0.7cm/30s, the adhesion on PVC, BOPP and PET is 100%, and the adhesion on PVC is 90%.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The gravure printing water-based ink for the PVC plastic film is characterized by comprising the following components in percentage by weight:
12 to 17 percent of resin;
9 to 36 percent of pigment;
1 to 18 percent of dispersant;
0 to 1 percent of defoaming agent;
10 to 30 percent of cosolvent;
0 to 1 percent of wetting agent;
the balance being water.
2. The gravure water-based ink for PVC plastic films as claimed in claim 1, wherein the resin is one of water-based polyurethane or acrylic resin of different types in a solid content ratio.
3. The gravure water-based ink for PVC plastic films according to claim 1, wherein the pigment is alkali-resistant inorganic pigment titanium dioxide or carbon black or organic pigment.
4. The aqueous gravure ink for PVC plastic film according to claim 1, wherein the dispersant is an active agent having a small surface property and a molecular weight of several thousands.
5. The gravure water-based ink for PVC plastic films according to claim 1, wherein the dispersant is maleic anhydride and a single polymer or a mixture of at least two or more polymers;
the polymer is olefin copolymer or polyacrylate or polyoxyethylene (aryl) ether.
6. The water-based ink for gravure printing of PVC plastic film according to claim 1, wherein the defoaming agent is acetylene glycol-based or silicone-based or mineral oil-based single polymer or a mixture of at least two or more polymers.
7. The gravure water-based ink for PVC plastic films as claimed in claim 1, wherein the cosolvent is ethanol and the wetting agent is propylene glycol methyl ether.
8. The preparation method of the gravure water-based ink for the PVC plastic film is characterized by comprising the following steps in sequence:
step S1, preparing resin-free water-based color paste: weighing 15-18% of dispersing agent, 32-36% of pigment, 0.1-0.5% of defoaming agent and the balance of water according to the formula ratio, sequentially adding the dispersing agent, the pigment, the defoaming agent and the balance of water into a grinding tank, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing for more than 4 hours by a high-speed grinder, and grinding until the fineness of the color paste is below 15 mu m to obtain the water-based color paste by filtering;
step S2, preparing ink from resin-free water-based color paste: weighing 10-15% of cosolvent, 0-1% of wetting agent and 15-17% of resin according to the formula proportion, adding 33-35% of self-made resin-free color paste prepared in the step S1 and the balance of water into a grinding tank in sequence, stirring uniformly, adjusting the pH to 7.5-8.5, adding a proper amount of glass beads, grinding and dispersing for more than 4 hours by a high-speed grinder, grinding until the fineness of the color paste is less than 15 mu m, and filtering to obtain the water-based ink.
9. A preparation method of gravure printing water-based ink for PVC plastic films is characterized by comprising the following steps of weighing 12% -17% of resin, 10% -15% of cosolvent, 9% -36% of pigment, 0% -1% of wetting agent, 1% -5% of dispersing agent, 0% -1% of defoaming agent and water according to a formula proportion, sequentially adding the weighed materials into a grinding tank, adjusting the pH value to 7.5-8.5, uniformly stirring, adding a proper amount of glass beads, grinding and dispersing for more than 4 hours by a grinder, grinding until the fineness of the water-based ink is below 15 mu m, and filtering to obtain the water-based ink.
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| CN202010841259.4A CN111876015A (en) | 2020-08-20 | 2020-08-20 | Gravure printing water-based ink for PVC plastic film and preparation method thereof |
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| CN202010841259.4A CN111876015A (en) | 2020-08-20 | 2020-08-20 | Gravure printing water-based ink for PVC plastic film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196256A (en) * | 2021-12-30 | 2022-03-18 | 中山市中益油墨涂料有限公司 | Water-based gravure white ink for film printing and preparation method thereof |
| CN115386260A (en) * | 2022-08-30 | 2022-11-25 | 江门市盈江科技有限公司 | Water-based polyurethane plastic film gravure printing ink and preparation method thereof |
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| CN107266963A (en) * | 2017-07-14 | 2017-10-20 | 黄山万丽美油墨科技有限公司 | A kind of PVC decorative Film intaglio plate table print water-based ink and its tint reduction polishes |
| CN107384011A (en) * | 2017-09-11 | 2017-11-24 | 杭州海维特化工科技有限公司 | A kind of PVC floor film intaglio printing water-based ink and preparation method thereof |
| CN109439064A (en) * | 2018-11-08 | 2019-03-08 | 杭州海维特化工科技有限公司 | A kind of PVC edge band intaglio printing water-based ink and preparation method thereof |
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2020
- 2020-08-20 CN CN202010841259.4A patent/CN111876015A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266963A (en) * | 2017-07-14 | 2017-10-20 | 黄山万丽美油墨科技有限公司 | A kind of PVC decorative Film intaglio plate table print water-based ink and its tint reduction polishes |
| CN107384011A (en) * | 2017-09-11 | 2017-11-24 | 杭州海维特化工科技有限公司 | A kind of PVC floor film intaglio printing water-based ink and preparation method thereof |
| CN109439064A (en) * | 2018-11-08 | 2019-03-08 | 杭州海维特化工科技有限公司 | A kind of PVC edge band intaglio printing water-based ink and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196256A (en) * | 2021-12-30 | 2022-03-18 | 中山市中益油墨涂料有限公司 | Water-based gravure white ink for film printing and preparation method thereof |
| CN115386260A (en) * | 2022-08-30 | 2022-11-25 | 江门市盈江科技有限公司 | Water-based polyurethane plastic film gravure printing ink and preparation method thereof |
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