CN111574886A - Low-viscosity quick-drying flexible printing composite ink and preparation method thereof - Google Patents
Low-viscosity quick-drying flexible printing composite ink and preparation method thereof Download PDFInfo
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- CN111574886A CN111574886A CN202010377580.1A CN202010377580A CN111574886A CN 111574886 A CN111574886 A CN 111574886A CN 202010377580 A CN202010377580 A CN 202010377580A CN 111574886 A CN111574886 A CN 111574886A
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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
- C09D11/108—Hydrocarbon resins
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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
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
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- 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 low-viscosity quick-drying flexible printing composite ink and a preparation method thereof, belonging to the field of ink, and comprising the following components in percentage by mass: 30-45% of composite matrix resin, 5-10% of pigment, 10-15% of viscosity reducer, 1-5% of surfactant, 20-25% of solvent and 10-15% of filler; wherein the composite matrix resin comprises a film-forming resin and a quick-drying resin. The invention relates to a low-viscosity quick-drying flexible printing composite ink and a preparation method thereof.
Description
Technical Field
The invention relates to the field of printing ink, in particular to low-viscosity quick-drying flexible printing composite printing ink and a preparation method thereof.
Background
Flexographic printing refers to a printing process in which a flexographic plate is used to transfer ink through an anilox roller. Because the flexographic printing belongs to light pressure printing, the energy consumption of equipment is low, the harm of a plate making process to the environment is small, the printing endurance of over one million printing times reduces the material loss caused by the halt and plate change of long plate orders, and the like, the flexographic printing becomes one of the accepted green printing modes in the industry, and the rapid development is achieved in recent years.
In recent years, with the acceleration of production pace of various industries, the contradiction of product period shortening gradually and delivery period shortening gradually becomes more and more prominent, and the traditional low-speed printing cannot adapt to the market change more and more. In order to alleviate the contradiction, the industry gradually starts to develop towards the direction of the ink suitable for high-speed printing, and the ink has the advantages of high production speed, high production efficiency, stable product quality and high yield, and has become a necessary trend for the development of the printing industry.
However, the existing flexo printing ink has low drying rate, is not suitable for high-speed printing, or has the drying rate meeting the requirements, but after the flexo printing ink is dried, the defects that the adhesion between a resin layer and a substrate is not firm, the ink layer is easy to fall off or crack and the like easily occur, and the printing quality is influenced.
Disclosure of Invention
The invention mainly solves the technical problem of providing the low-viscosity quick-drying type flexographic printing composite ink and the preparation method thereof, and can solve the problems and the defects of the existing flexographic printing ink in the field of high-speed printing.
In order to solve the technical problems, the invention adopts a technical scheme that: the low-viscosity quick-drying flexible printing composite ink comprises the following components in percentage by mass:
30-45% of composite matrix resin, 5-10% of pigment, 10-15% of viscosity reducer, 1-5% of surfactant, 20-25% of solvent and 10-15% of filler; wherein the composite matrix resin comprises a film-forming resin and a quick-drying resin.
In a preferred embodiment of the invention, the mass ratio of the film-forming resin to the quick-drying resin is 1: 1-1: 3.
In a preferred embodiment of the present invention, the film-forming resin comprises a styrene- α -methylstyrene-acrylic acid copolymer; the quick-drying resin comprises at least one of water-dispersible acrylic resin, ketone-aldehyde resin and alcohol-aldehyde resin.
In a preferred embodiment of the invention, the ink further comprises a drier with a mass percentage of 5-10%, and the drier comprises dibutyltin dilaurate.
In a preferred embodiment of the invention, the viscosity-reducing agent comprises, by mass, 5:2: 1: 2-7: 2:1:3 of refined bleached linseed oil, synthetic resin, aluminum stearate and polyethylene wax.
In a preferred embodiment of the present invention, the surfactant comprises, by mass, 2: 1-3: 1 and sodium lauryl sulfate.
In a preferred embodiment of the present invention, the filler comprises, by mass, 1: 1-2: 1 and calcium carbonate whiskers.
In a preferred embodiment of the present invention, the solvent comprises a mixture of solvents in a mass ratio of 5:2: 3-5: 3: 4 deionized water, glycerol and ethanol.
In a preferred embodiment of the present invention, the ink further includes 1 to 3% by mass of a defoaming agent and 1 to 3% by mass of a leveling agent.
In order to solve the technical problem, the invention adopts another technical scheme that: the preparation method of the low-viscosity quick-drying flexible printing composite ink comprises the following steps:
(1) grinding and mixing: mixing the pigment, the surfactant, the solvent and the filler according to the formula ratio, then placing the mixture on a stirrer for high-speed grinding, and adding a grinding medium in the grinding process;
(2) resin treatment: stirring and mixing the composite matrix resin and the viscosity reducer according to the formula amount, and then carrying out ultrasonic dispersion;
(3) preparing ink: and (3) mixing and stirring the materials prepared in the step (1) and the step (2) with the defoaming agent and the flatting agent according to the formula ratio uniformly, and then performing ultrasonic dispersion to obtain the composite ink.
The invention has the beneficial effects that: the invention relates to a low-viscosity quick-drying flexible printing composite ink and a preparation method thereof.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
The embodiment of the invention comprises the following steps:
example 1
The invention discloses a low-viscosity quick-drying type flexo printing composite ink, which is calculated by the mass of 100kg and comprises the following components:
30kg of composite matrix resin, wherein the composite matrix resin comprises the following components in a mass ratio of 1: 1, film-forming resin and quick-drying resin; the film-forming resin comprises styrene-alpha-methylstyrene-acrylic acid copolymer, and has high film-forming speed, so that the surface of the printed ink can be quickly formed into a film, and the printing speed of the ink is improved; the quick-drying resin comprises the following components in percentage by mass: 1: the water-dispersible acrylic resin, the ketone-aldehyde resin and the alcohol-aldehyde resin of the 1 can improve the drying rate of a mixed resin matrix, thereby improving the drying rate of the composite ink and enabling the composite ink to adapt to a high-speed flexo printing process.
5kg of pigment, wherein the pigment is an inorganic pigment, and one or a mixture of more of yellow pigment, red pigment, black pigment, white pigment, blue pigment or green pigment is selected according to the requirement;
15kg of viscosity reducer, wherein the viscosity reducer comprises the following components in a mass ratio of 5:2: 1: 2 refined bleached linseed oil, synthetic resin, aluminium stearate and polyethylene wax. Through the use of the viscosity reducer, the viscosity of the composite ink can be effectively reduced, so that the drying speed can be improved when the high-speed printing, drying and curing are carried out, particularly, the ink close to the base part can be fully cured, the phenomena that the ink layer is easy to fall off, cracks or leaks characters and the like due to the fact that the viscosity of the ink is high, the drying near the base layer is incomplete and cannot be in place are prevented, and the printing quality is improved.
2kg of surfactant, wherein the surfactant comprises the following components in a mass ratio of 2:1 and sodium lauryl sulfate. The surfactant has low surface energy, and can promote the dispersion speed of the ink on a printed matter during printing, so that the ink is rapidly spread, and the printing speed is improved.
And 5kg of a drier comprising dibutyltin dilaurate can accelerate the drying speed of the ink, so that the printing speed is increased.
25kg of solvent, wherein the solvent comprises the following components in a mass ratio of 5:2: 3 deionized water, glycerol and ethanol. The composite solvent has the characteristics of no toxicity and environmental protection, and can improve the safety performance of the printing ink.
15kg of filler, wherein the filler comprises the following components in a mass ratio of 1: 1 and calcium carbonate whiskers. By the composite use of the nano silicon dioxide and the calcium carbonate crystal whisker, on one hand, the effect of strengthening and toughening can be achieved, and the toughness, strength and wear resistance of the ink after film forming are improved; on the other hand, the drying speed and the drying effect are improved.
1kg of defoaming agent, wherein the defoaming agent is an organic silicon defoaming agent.
And 2kg of a leveling agent, wherein the leveling agent is polyether modified polysiloxane.
The preparation method of the low-viscosity quick-drying type flexographic printing composite ink comprises the following steps:
(1) grinding and mixing: mixing the pigment, the surfactant, the solvent and the filler according to the formula ratio, then placing the mixture on a stirrer to grind at high speed for 20min, and adding grinding medium zirconium oxide beads in the grinding process; the process step utilizes the premixing of the surfactant, the pigment and the filler, which is beneficial to improving the dispersion performance of the pigment and the filler in the composite resin matrix;
(2) resin treatment: stirring and mixing the composite matrix resin and the viscosity reducer according to the formula amount, and then ultrasonically dispersing for 2 hours under the power of 330W;
(3) preparing ink: and (3) mixing and stirring the materials prepared in the step (1) and the step (2) with a defoaming agent and a leveling agent in a formula amount uniformly, and then performing ultrasonic dispersion for 2 hours under the power of 330W to obtain the composite ink.
The prepared ink is cured at 75 ℃ after high-speed flexo printing, has high curing speed, thorough curing, high bonding fastness between a resin layer and a base, no phenomena of cracking, ink drop and the like, good printing quality and can completely meet the printing requirements of high-speed printing. The test shows that the adhesion fastness after printing is 99 percent.
Example 2
The invention discloses a low-viscosity quick-drying type flexo printing composite ink, which is calculated by the mass of 100kg and comprises the following components:
35kg of composite matrix resin, wherein the composite matrix resin comprises the following components in a mass ratio of 1:3, film-forming resin and quick-drying resin; the film-forming resin comprises styrene-alpha-methylstyrene-acrylic acid copolymer, and has high film-forming speed, so that the surface of the printed ink can be quickly formed into a film, and the printing speed of the ink is improved; the quick-drying resin comprises the following components in percentage by mass of 3: 1: the water-dispersible acrylic resin, the ketone-aldehyde resin and the alcohol-aldehyde resin of the 1 can improve the drying rate of a mixed resin matrix, thereby improving the drying rate of the composite ink and enabling the composite ink to adapt to a high-speed flexo printing process.
7kg of pigment, wherein the pigment is an inorganic pigment, and one or a mixture of more of yellow pigment, red pigment, black pigment, white pigment, blue pigment or green pigment is selected according to the requirement;
10kg of viscosity reducer, wherein the viscosity reducer comprises the following components in a mass ratio of 7:2:1:3 refined bleached linseed oil, synthetic resin, aluminium stearate and polyethylene wax. Through the use of the viscosity reducer, the viscosity of the composite ink can be effectively reduced, so that the drying speed can be improved when the high-speed printing, drying and curing are carried out, particularly, the ink close to the base part can be fully cured, the phenomena that the ink layer is easy to fall off, cracks or leaks characters and the like due to the fact that the viscosity of the ink is high, the drying near the base layer is incomplete and cannot be in place are prevented, and the printing quality is improved.
3kg of surfactant, wherein the surfactant comprises the following components in a mass ratio of 1: 1 and sodium lauryl sulfate. The surfactant has low surface energy, and can promote the dispersion speed of the ink on a printed matter during printing, so that the ink is rapidly spread, and the printing speed is improved.
10kg of drier comprising dibutyltin dilaurate can accelerate the drying speed of the ink, so that the printing speed is increased.
20kg of solvent, wherein the solvent comprises the following components in a mass ratio of 5: 3: 4 deionized water, glycerol and ethanol. The composite solvent has the characteristics of no toxicity and environmental protection, and can improve the safety performance of the printing ink.
10kg of filler, wherein the filler comprises the following components in a mass ratio of 2:1 and calcium carbonate whiskers. By the composite use of the nano silicon dioxide and the calcium carbonate crystal whisker, on one hand, the effect of strengthening and toughening can be achieved, and the toughness, strength and wear resistance of the ink after film forming are improved; on the other hand, the drying speed and the drying effect are improved.
And 2kg of defoaming agent, wherein the defoaming agent is an organic silicon defoaming agent.
3kg of leveling agent, wherein the leveling agent is polyether modified polysiloxane.
The prepared ink is cured at 75 ℃ after high-speed flexo printing, has high curing speed, thorough curing, high bonding fastness between a resin layer and a base, no phenomena of cracking, ink drop and the like, good printing quality and can completely meet the printing requirements of high-speed printing. The test shows that the adhesion fastness after printing is 99.5%.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The low-viscosity quick-drying flexible printing composite ink is characterized by comprising the following components in percentage by mass:
30-45% of composite matrix resin, 5-10% of pigment, 10-15% of viscosity reducer, 1-5% of surfactant, 20-25% of solvent and 10-15% of filler; wherein the composite matrix resin comprises a film-forming resin and a quick-drying resin.
2. The low viscosity, quick-drying flexographic composite ink according to claim 1, characterized in that the mass ratio of said film-forming resin to quick-drying resin is 1: 1-1: 3.
3. The low viscosity, quick drying flexographic composite ink according to claim 2, wherein said film-forming resin comprises styrene-a-methylstyrene-acrylic acid copolymer; the quick-drying resin comprises at least one of water-dispersible acrylic resin, ketone-aldehyde resin and alcohol-aldehyde resin.
4. The low viscosity quick-drying flexographic printing composite ink according to claim 1, further comprising a drier comprising dibutyltin dilaurate in an amount of 5-10% by weight.
5. The low viscosity, quick drying, flexographic composite ink according to claim 1, characterized in that said viscosity-reducing agent comprises, in a mass ratio of 5:2: 1: 2-7: 2:1:3 of refined bleached linseed oil, synthetic resin, aluminum stearate and polyethylene wax.
6. The low viscosity, quick drying flexographic composite ink according to claim 1, characterized in that said surfactant comprises, in a mass ratio of 2: 1-3: 1 and sodium lauryl sulfate.
7. The low viscosity, quick drying flexographic composite ink according to claim 1, characterized in that said filler comprises, in a mass ratio of 1: 1-2: 1 and calcium carbonate whiskers.
8. The low viscosity, quick drying flexographic composite ink according to claim 1, characterized in that said solvent comprises, in a mass ratio of 5:2: 3-5: 3: 4 deionized water, glycerol and ethanol.
9. The low viscosity quick-drying flexographic printing composite ink according to claim 1, characterized in that the ink further comprises 1-3% by mass of a defoaming agent and 1-3% by mass of a leveling agent.
10. A method for preparing a low viscosity, quick drying flexographic printing complex ink according to any of claims 1 to 9, comprising the steps of:
(1) grinding and mixing: mixing the pigment, the surfactant, the solvent and the filler according to the formula ratio, then placing the mixture on a stirrer for high-speed grinding, and adding a grinding medium in the grinding process;
(2) resin treatment: stirring and mixing the composite matrix resin and the viscosity reducer according to the formula amount, and then carrying out ultrasonic dispersion;
(3) preparing ink: and (3) mixing and stirring the materials prepared in the step (1) and the step (2) with the defoaming agent and the flatting agent according to the formula ratio uniformly, and then performing ultrasonic dispersion to obtain the composite ink.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377580.1A CN111574886A (en) | 2020-05-07 | 2020-05-07 | Low-viscosity quick-drying flexible printing composite ink and preparation method thereof |
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| CN202010377580.1A CN111574886A (en) | 2020-05-07 | 2020-05-07 | Low-viscosity quick-drying flexible printing composite ink and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1788050A1 (en) * | 2004-08-19 | 2007-05-23 | Dainippon Ink and Chemicals, Incorporated | Aqueous primer composition, surface treating method using same, and multilayer structure |
| CN103788762A (en) * | 2014-01-20 | 2014-05-14 | 成都普瑞斯特新材料有限公司 | Biaxially-oriented polypropylene (BOPP) pearlised film environment-friendly ink and preparation method thereof |
| CN104231731A (en) * | 2014-09-16 | 2014-12-24 | 洋紫荆油墨(中山)有限公司 | Alcohol-soluble high-speed printing ink for PVDC (polyvinyl dichloride) film and preparation method of alcohol-soluble high-speed printing ink |
| CN104893412A (en) * | 2015-03-30 | 2015-09-09 | 桐城市新丰彩印包装有限公司 | Thin-film printing water-based ink and preparation method thereof |
| CN108192411A (en) * | 2017-12-26 | 2018-06-22 | 湖州品创孵化器有限公司 | A kind of low viscosity ink |
| CN110628266A (en) * | 2019-08-31 | 2019-12-31 | 南雄市星辉化工新材料有限公司 | High-speed flexible printing PET (polyethylene terephthalate) inner printing film printing ink and preparation method thereof |
-
2020
- 2020-05-07 CN CN202010377580.1A patent/CN111574886A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| EP1788050A1 (en) * | 2004-08-19 | 2007-05-23 | Dainippon Ink and Chemicals, Incorporated | Aqueous primer composition, surface treating method using same, and multilayer structure |
| CN103788762A (en) * | 2014-01-20 | 2014-05-14 | 成都普瑞斯特新材料有限公司 | Biaxially-oriented polypropylene (BOPP) pearlised film environment-friendly ink and preparation method thereof |
| CN104231731A (en) * | 2014-09-16 | 2014-12-24 | 洋紫荆油墨(中山)有限公司 | Alcohol-soluble high-speed printing ink for PVDC (polyvinyl dichloride) film and preparation method of alcohol-soluble high-speed printing ink |
| CN104893412A (en) * | 2015-03-30 | 2015-09-09 | 桐城市新丰彩印包装有限公司 | Thin-film printing water-based ink and preparation method thereof |
| CN108192411A (en) * | 2017-12-26 | 2018-06-22 | 湖州品创孵化器有限公司 | A kind of low viscosity ink |
| CN110628266A (en) * | 2019-08-31 | 2019-12-31 | 南雄市星辉化工新材料有限公司 | High-speed flexible printing PET (polyethylene terephthalate) inner printing film printing ink and preparation method thereof |
Non-Patent Citations (2)
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| 赵长存: "《油墨生产配方优化设计与新材料的应用及质量检验实务全书 第1卷》", 31 October 2004, 安徽文化音像出版社 * |
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