CN111117345A - Environment-friendly laminating ink for PVC (polyvinyl chloride) film and preparation method thereof - Google Patents
Environment-friendly laminating ink for PVC (polyvinyl chloride) film and preparation method thereof Download PDFInfo
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- CN111117345A CN111117345A CN202010122366.1A CN202010122366A CN111117345A CN 111117345 A CN111117345 A CN 111117345A CN 202010122366 A CN202010122366 A CN 202010122366A CN 111117345 A CN111117345 A CN 111117345A
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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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- 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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses an environment-friendly laminating ink for a PVC (polyvinyl chloride) film, which consists of the following substances in percentage by mass: 40-70% of waterborne polyurethane, 10-20% of acrylic resin, 1-4% of defoaming agent, 2-10% of auxiliary agent, 1-3% of stabilizing agent, 5-11% of deionized water and 2-8% of organic pigment; the prepared ink material has good adhesive property and strong tinting strength by adding the waterborne polyurethane and the acrylic resin; in the preparation process, no solvent is added, and in the use process, no organic solvent is volatilized, so that the environment-friendly and harmless to human bodies are realized.
Description
Technical Field
The invention belongs to the technical field of chemical materials, and particularly relates to an environment-friendly laminating ink for a PVC film and a preparation method thereof.
Background
PVC is an important printing substrate, and because the PVC has the advantages of flame retardance, low price, easy processing and the like, the PVC can be used as a film, various patterns can be printed on the surface of the PVC, the PVC can be applied to wallpaper and floors, and can also be processed into shapes of various containers, and the PVC can be used as household appliances, devices and the like, and in order to achieve the decorative effect, various beautiful patterns need to be printed on the PVC to improve the competitiveness of products, beautify life and increase the attraction to customers. Ink is an important decorative material for these products and materials, and directly influences the aesthetic degree and competitiveness of the products, especially the quality of the ink, and directly influences the reputation of the products.
Most of the currently used inks are solvent-based and contain a large amount of solvents, and the solvents are used as basic materials in the printing process and mainly have the functions of dissolving resin in ink components, adjusting the viscosity of the ink, improving the printing quality and controlling the drying speed of printed patterns so as to influence the production efficiency of products.
Patent CN 103540190B discloses PVC wood grain film printing ink, which comprises the following raw materials in percentage by weight: 20-40% of 30% of modified polyurethane-acrylic emulsion, 20-40% of 20% of carboxyl modified ternary composite vinyl chloride-vinyl acetate resin liquid, 8-25% of pigment, 1-5% of filler, 1-6% of functional resin, 1-3% of polyethylene wax, 1-5% of special auxiliary agent, 10-15% of ethyl acetate and 10-15% of butanone, the technical scheme can improve and avoid adverse reaction of ink and an adhesive base material when a printed product is adhered without adhesive to the maximum extent, the problems that the composite product has large color decay and low adhesion firmness when meeting high temperature are solved, and the product quality is ensured; however, the solvents used in the method are ethyl acetate and butanone, and the solvents are easy to volatilize into workshops and air in the printing and drying processes along with the progress of the printing process, are harmful to human bodies, have extremely high taste, stimulate human sense organs, and bring great harm to personnel and environment in production workshops especially in high-temperature summer.
Disclosure of Invention
In order to solve the technical problems, the invention provides the environment-friendly laminating ink for the PVC film and the preparation method thereof, and the prepared ink material has good adhesive property and strong tinting strength by adding the waterborne polyurethane and the acrylic resin; in the preparation process, no solvent is added, and in the use process, no organic solvent is volatilized, so that the environment-friendly and harmless to human bodies are realized.
The technical scheme provided by the invention is as follows:
an environment-friendly laminating ink for a PVC film is composed of the following substances in parts by mass: 40-70% of waterborne polyurethane, 10-20% of acrylic resin, 1-4% of defoaming agent, 2-10% of auxiliary agent, 1-3% of stabilizing agent, 5-11% of deionized water and 2-8% of organic pigment.
Preferably, the defoaming agent is one or more of emulsified silicone oil, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane.
Preferably, the stabilizer is a metal complex.
Preferably, the organic pigment is one or more of lithol, benzidine and phthalocyanine.
Preferably, the auxiliary agent is one or more of a thickening agent, a lubricant, a heat stabilizer and an antioxidant.
The invention also discloses a method for preparing the environment-friendly laminating ink for the PVC film, which comprises the following steps:
(1) putting the waterborne polyurethane, the acrylic resin and the auxiliary agent into a dispersion pulling cylinder, and uniformly stirring;
(2) and (2) sequentially adding a defoaming agent and a stabilizing agent into the mixture obtained in the step (1), stirring, uniformly dispersing, slowly adding an organic pigment, uniformly mixing, conveying to a grinding machine, grinding to obtain powder, and adding deionized water when the powder is required to be used, so as to obtain the environment-friendly laminating ink.
Preferably, the stirring speed in the step (1) is 200-400 r/min; the stirring time is 10-15 min.
Preferably, the stirring speed in the step (2) is 800-1000 r/min; the stirring time is 10-15 min, and the fineness of the powder obtained by grinding is less than 10 um.
Compared with the prior art, the invention has the following technical advantages:
(1) according to the invention, the water-soluble polyurethane is adopted as the water-soluble resin, the solubility in water and the wettability to pigment are good, and deionized water is adopted as the solvent, so that no organic solvent is used, the pollution to the atmospheric environment is reduced, only deionized water is used for dilution in printing, and shallow plate printing is used, so that the cost is reduced, the printing is safe and environment-friendly, the VOC detection of safety indexes conforms to the national standard GB/T26395-2011, and the heavy metal detection conforms to EN 71-3;
(2) according to the invention, hydrogen bonds are generated between carboxyl and hydroxyl in the waterborne polyurethane and a material to be bonded so as to bond the carboxyl and the hydroxyl with the material to be bonded, but the glass transition temperature is relatively low, and the mechanical property is poor, so that the waterborne polyurethane is prepared by matching acrylic resin with high hardness, the relative molecular mass is about 200 ten thousand, the waterborne polyurethane is a long-chain high polymer, a formed molecular chain is very soft, the strength is high, the tensile and impact resistance capability is 7-18 times higher than that of common glass, and the mechanical strength and the toughness of the product can be integrally increased.
(3) The waterborne polyurethane and the acrylic resin are selected, and in the molecular arrangement structure, the tail ends of the waterborne polyurethane and the acrylic resin are in a staggered position relation, so that crosslinking is avoided, a net structure is not formed, crystallization and white fog phenomena are avoided, the whole pigment is in a transparent state, the original color of the pigment can be better maintained after the waterborne polyurethane and the acrylic resin are mixed with the pigment, and the pigment has good tinting strength.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be further described with reference to the following examples.
Example 1
An environment-friendly laminating ink for a PVC film is composed of the following substances in parts by mass: 50% of waterborne polyurethane, 20% of acrylic resin, 1% of emulsified silicone oil, 10% of a thermal stabilizer, 3% of a metal complex, 9% of deionized water and 7% of lithol.
The invention also discloses a method for preparing the environment-friendly laminating ink for the PVC film, which comprises the following steps:
(1) putting the waterborne polyurethane, the acrylic resin and the thermal stabilizer into a dispersion pulling cylinder, and stirring for 15min at 200r/min until the mixture is uniformly stirred;
(2) and (2) sequentially adding emulsified silicone oil and the metal complex into the mixture obtained in the step (1), stirring for 15min at 800r/min, slowly adding risel after uniform dispersion, sending the mixture to a grinding machine after uniform mixing, grinding until the fineness of the powder is 9 microns, and adding deionized water when the powder is required to be used, so as to obtain the environment-friendly laminating ink.
Example 2
An environment-friendly laminating ink for a PVC film is composed of the following substances in parts by mass: 60% of waterborne polyurethane, 15% of acrylic resin, 3% of polyoxyethylene polyoxypropylene pentaerythritol ether, 5% of lubricant, 2% of metal complex, 10% of deionized water and 5% of benzidine.
The invention also discloses a method for preparing the environment-friendly laminating ink for the PVC film, which comprises the following steps:
(1) putting the waterborne polyurethane, the acrylic resin and the lubricant into a dispersion pulling cylinder, and stirring for 12min at 300r/min until the mixture is uniformly stirred;
(2) and (2) sequentially adding polyoxyethylene polyoxypropylene pentaerythritol ether and a metal complex into the mixture obtained in the step (1), stirring for 10min at 900r/min, uniformly dispersing, slowly adding benzidine, uniformly mixing, grinding into a grinder until the fineness of the powder is 8 microns, and adding deionized water when the environment-friendly laminating ink is required to be used, so that the environment-friendly laminating ink is obtained.
Example 3
An environment-friendly laminating ink for a PVC film is composed of the following substances in parts by mass: 70% of waterborne polyurethane, 10% of acrylic resin, 2% of polydimethylsiloxane, 2% of antioxidant, 3% of metal complex, 5% of deionized water and 8% of phthalocyanine.
The invention also discloses a method for preparing the environment-friendly laminating ink for the PVC film, which comprises the following steps:
(1) putting the waterborne polyurethane, the acrylic resin and the antioxidant into a dispersion pulling cylinder, and stirring for 10min at 400r/min until the mixture is uniformly stirred;
(2) and (2) sequentially adding polydimethylsiloxane and the metal complex into the mixture obtained in the step (1), stirring for 11min at 1000r/min, dispersing uniformly, slowly adding risel, mixing uniformly, grinding into powder with the fineness of 7um in a grinding machine, and adding deionized water when the powder is required to be used, so as to obtain the environment-friendly laminating ink.
Comparative example
The laminating printing ink for the PVC film is composed of the following substances in parts by mass: 20% of polyurethane, 5% of acrylic acid, 10% of pigment, 4% of functional resin, 2% of dispersing agent, 5% of filler, 4% of cyclohexanone, 10% of butyl acetate and 40% of butyl ester.
Measurement of Performance
The performance of the ink prepared in the examples 1-3 and the performance of the ink prepared in the comparative example such as tinting strength, viscosity and the like are measured, and the test results are shown in table 1;
| example 1 | Example 2 | Example 3 | Comparative example | |
| Coloring power | 99% | 98.5% | 98.9% | 98% |
| Viscosity of the oil | 48 | 46 | 47 | 49 |
| Fastness to adhesion | 99 | 98.5 | 98.7 | 98.9 |
| Incipient dryness (mm) | 40 | 41 | 40 | 40 |
| Surface tension (N/cm) | 43 | 45 | 42 | 44 |
| Residual amount of solvent (mg/m)2） | 3.6 | 3.0 | 3.2 | 8.5 |
| Heat resistance (. degree.C./10 min) | 180 | 185 | 181 | 189 |
| Weather resistance | Grade 6 | Grade 6 | Grade 6 | Grade 6 |
| Composite fastness (N/15 mm) | 18 | 18 | 18 | 18 |
As can be seen from table 1, the ink prepared in examples 1 to 3 has the same effects on the performances such as tinting strength, viscosity and the like as those of the ink prepared in the comparative example, and the residual amount of the solvent is much lower than that of the ink prepared in the comparative example.
Claims (8)
1. The environment-friendly laminating ink for the PVC film is characterized by comprising the following substances in percentage by mass: 40-70% of waterborne polyurethane, 10-20% of acrylic resin, 1-4% of defoaming agent, 2-10% of auxiliary agent, 1-3% of stabilizing agent, 5-11% of deionized water and 2-8% of organic pigment.
2. The environment-friendly laminating ink for PVC films according to claim 1, characterized in that: the defoaming agent is one or more of emulsified silicone oil, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane.
3. The environment-friendly laminating ink for PVC films according to claim 1, characterized in that: the stabilizer is an organometallic complex.
4. The environment-friendly laminating ink for PVC films according to claim 1, characterized in that: the organic pigment is one or more of lithol, benzidine and phthalocyanine.
5. The environment-friendly laminating ink for PVC films according to claim 1, characterized in that: the auxiliary agent is one or more of thickening agent, wetting agent, heat stabilizer and antioxidant.
6. A method for preparing 1-5 the environment-friendly laminating ink for the PVC film is characterized by comprising the following steps:
(1) putting the waterborne polyurethane, the acrylic resin and the auxiliary agent into a dispersion pulling cylinder, and uniformly stirring;
(2) and (2) sequentially adding a defoaming agent and an organic metal complex into the mixture obtained in the step (1), stirring, uniformly dispersing, slowly adding an organic pigment, uniformly mixing, conveying to a grinding machine, grinding to obtain powder, and adding deionized water when the powder is required to be used to obtain the environment-friendly laminating ink.
7. The preparation method of the environment-friendly laminating ink for the PVC film according to claim 6, wherein the preparation method comprises the following steps: the stirring speed in the step (1) is 200-400 r/min; the stirring time is 10-15 min.
8. The preparation method of the environment-friendly laminating ink for the PVC film according to claim 6, wherein the preparation method comprises the following steps: the stirring speed in the step (2) is 800-1000 r/min; the stirring time is 10-15 min, and the fineness of the powder obtained by grinding is less than 10 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122366.1A CN111117345A (en) | 2020-02-27 | 2020-02-27 | Environment-friendly laminating ink for PVC (polyvinyl chloride) film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122366.1A CN111117345A (en) | 2020-02-27 | 2020-02-27 | Environment-friendly laminating ink for PVC (polyvinyl chloride) film and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111117345A true CN111117345A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010122366.1A Pending CN111117345A (en) | 2020-02-27 | 2020-02-27 | Environment-friendly laminating ink for PVC (polyvinyl chloride) film and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219578A (en) * | 2018-03-28 | 2018-06-29 | 昆山大世界油墨涂料有限公司 | A kind of inflatable toy halftone aqueous ink |
| CN108546452A (en) * | 2018-04-17 | 2018-09-18 | 中山创美涂料有限公司 | A kind of aqueous gravure Yellow ink of flexible PVC decorating film and preparation method thereof |
-
2020
- 2020-02-27 CN CN202010122366.1A patent/CN111117345A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219578A (en) * | 2018-03-28 | 2018-06-29 | 昆山大世界油墨涂料有限公司 | A kind of inflatable toy halftone aqueous ink |
| CN108546452A (en) * | 2018-04-17 | 2018-09-18 | 中山创美涂料有限公司 | A kind of aqueous gravure Yellow ink of flexible PVC decorating film and preparation method thereof |
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Application publication date: 20200508 |