CN110964376A - Water-based foaming ink and preparation method and application thereof - Google Patents
Water-based foaming ink and preparation method and application thereof Download PDFInfo
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- CN110964376A CN110964376A CN201911215177.2A CN201911215177A CN110964376A CN 110964376 A CN110964376 A CN 110964376A CN 201911215177 A CN201911215177 A CN 201911215177A CN 110964376 A CN110964376 A CN 110964376A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/02—Letterpress printing, e.g. book printing
- B41M1/04—Flexographic printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
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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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- 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 a water-based foaming ink and a preparation method and application thereof, wherein the water-based foaming ink is prepared from the following raw materials in parts by weight: 100 parts of water-based acrylic emulsion, 20-40 parts of water-based polyurethane emulsion, 3-10 parts of foaming agent, 5-10 parts of pigment, 1-5 parts of thickening agent, 5-20 parts of water and 3-20 parts of alcohol; the foaming agent is unexpanded microspheres. The invention also discloses a preparation method of the water-based foaming ink and application of the water-based foaming ink in printing paper cups. The water-based foaming ink disclosed by the invention is simple in formula, environment-friendly and non-toxic; the unexpanded microspheres are used as a foaming agent, and the expanded microspheres formed after heat absorption have good heat preservation and insulation effects. The water-based foaming ink is used for printing paper cups, has smooth surface, good three-dimensional forming effect and low cost, and does not fall off powder; the expanded microspheres also have good heat preservation and insulation effects, so that the paper cup with the water-based foaming ink coating can not be scalded when being held by a hand, and also has the heat preservation effect, and the taste of hot drinks is ensured.
Description
Technical Field
The invention relates to the field of printing ink, in particular to water-based foaming ink and a preparation method and application thereof.
Background
At present, the surface heat preservation and heat insulation of the paper container are mainly completed by adopting a mode of additionally arranging a cup sleeve or a mode of additionally arranging a layer of paper board to prepare a composite paper board and the like, but only partial heat preservation effect is achieved, and the heat preservation effect is not achieved. Most of the printed patterns of the paper container are printed on a common plane, and the three-dimensional effect cannot be presented. At present, the technology for enabling the surface of a paper material to have a three-dimensional effect mainly comprises foaming ink printing, ink marks printed by the foaming ink can initiate dot matrix-shaped bubbles after heating and curing treatment, so that pattern marks generate convex bodies, and the pattern marks have certain thickness and show the three-dimensional effect. There are two main types of foaming inks: the first is microsphere foaming ink and the second is groove bottom foaming ink. The groove bottom foaming ink mainly takes polyvinyl chloride resin as a main material, and a foaming agent is dissolved in a polymer. The printing ink is gasified by the heated foaming agent, and a large number of foaming micropores are formed in the printing ink layer, so that the pattern presents a three-dimensional sense; the microsphere foaming ink mainly depends on the foaming mechanism of the microspheres, and the microsphere volume is increased under the heating condition, so that the ink coating presents a three-dimensional effect.
Patent CN103319951A discloses an environment-friendly three-dimensional ink, which is prepared by mixing, stirring and grinding the following raw materials in parts by mass: 30-60 parts of adhesive, 10-20 parts of pigment, 5-10 parts of thickening agent, 1-5 parts of curing agent, 1-3 parts of dispersing agent and 1-3 parts of defoaming agent; the environment-friendly ink is simple in production process, low in cost, environment-friendly and efficient, has good adhesion, can obtain a certain three-dimensional forming effect in the printing process, but is not obvious in three-dimensional effect, and the printed product is poor in three-dimensional effect. Patent CN104017433A discloses a thermal foaming water-based ink coating, a preparation method and application thereof, wherein the water-based ink is prepared by mixing, stirring and filtering the following raw materials in parts by mass: 80-85 parts of waterborne polyurethane acrylic emulsion, 8-20 parts of foaming agent, 0.1-0.2 part of defoaming agent, 0.1-0.5 part of thickening agent and 0.1-0.3 part of wetting agent; the water-based ink is simple in process formula, convenient to operate, environment-friendly and non-toxic, has certain heat preservation and heat insulation performance, but is not suitable for daily paper containers due to the fact that the foaming temperature is higher than the normal hot drinking temperature of boiled water, the foaming effect is poor, the smoothness of the coating surface is poor, and the powder falling is serious.
Therefore, the development of the water-based foaming ink which is simple in formula, environment-friendly, non-toxic, good in heat preservation and heat insulation performance, and capable of being used for daily hot drinks enables the surface of a coating obtained by printing to be flat and free of powder falling, good in heat preservation and heat insulation performance and obvious in three-dimensional forming effect, and is a problem which needs to be solved by technicians in the field urgently.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the water-based foaming ink and the preparation method thereof, the water-based foaming ink has a simple formula, is environment-friendly and nontoxic, and has better heat preservation and heat insulation performance, and a coating printed by the water-based foaming ink has a smooth surface, no powder falling, good heat preservation and heat insulation performance and good three-dimensional forming effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a water-based foaming ink which comprises the following components in parts by weight:
the foaming agent is unexpanded microspheres, and the alcohol is low-carbon chain alcohol with carbon atoms not more than eight.
Further, the water-based foaming ink comprises the following components in parts by weight:
further preferably, the aqueous foaming ink comprises the following components in parts by weight:
further, the thickening agent is any one or more of a polyurethane thickening agent, a cellulose thickening agent, a modified product thickening agent of the cellulose thickening agent and a polyacrylamide thickening agent.
Further, the water-based foaming ink also comprises the following components in parts by weight: 0.1-0.3 part of defoaming agent, 1-3 parts of flatting agent, 0.1-0.5 part of dispersing agent, 0.1-0.5 part of pH value stabilizing agent and 0.1-0.5 part of wear-resisting agent.
Further preferably, the defoaming agent is an organic silicon defoaming agent, the leveling agent is a polyether modified organic silicon leveling agent, the dispersing agent is polyurethane or polyacrylic acid, the pH value stabilizer is an amine pH value stabilizer, and the wear-resisting agent is low molecular weight polyethylene wax.
Further preferably, the amine pH stabilizer is used for controlling the pH value of the aqueous foaming ink and maintaining the pH value to be 8-9.5.
The second aspect of the invention provides a preparation method of water-based foaming ink, which comprises the following steps:
(1) weighing the water-based acrylic emulsion and the water-based polyurethane emulsion according to the formula ratio, and stirring at a high speed for 8-15min for mixing;
(2) adding pigment, a defoaming agent, a flatting agent, a dispersing agent and a pH value stabilizing agent in a formula ratio into the mixed solution obtained in the step (1), and stirring at a high speed for 10-25min to mix;
(3) adding water, alcohols and a wear-resistant agent according to the formula ratio into the mixed solution in the step (2), and stirring at a high speed for 10-25 min;
(4) and (4) adding a foaming agent and a thickening agent into the mixed solution obtained in the step (3) according to the formula ratio, stirring at a high speed for 20-50min, and grinding to obtain the water-based foaming ink.
The third aspect of the invention provides the application of the water-based foaming ink in printing paper cups.
Further, the application of the water-based foaming ink in a printing paper cup comprises the following steps:
(1) printing the water-based foaming ink on the surface layer of the paper cup base paper by adopting a silk screen, gravure or flexible plate printing mode, and drying and shaping at 60 ℃ for 1-2min to obtain the water-based foaming ink outer layer;
(2) and (3) coating a layer of food-grade silicone oil on the outer layer of the water-based foaming ink prepared in the step (1) or performing film covering treatment to obtain the paper cup printed with the water-based foaming ink.
Compared with the prior art, the invention has the following advantages:
the water-based foaming ink disclosed by the invention is simple in formula, environment-friendly and non-toxic, and the expanded microspheres formed after heat absorption have good heat preservation and insulation effects by adopting the unexpanded microspheres as a foaming agent.
The water-based foaming ink is used for printing paper cups, the surface is flat and does not fall off powder, and printed patterns can be raised along with ink marks through absorbing heat to form floating three-dimensional patterns, so that the patterns on the surface of the paper cups form concave-convex three-dimensional effects, the patterns are endowed with three-dimensional effects on the outer walls of the paper cups, the value of products is improved, and different three-dimensional effects can be presented by adjusting the using amount of microspheres; in addition, the expanded microspheres in the paper cup water-based foaming ink printing layer have good heat preservation and heat insulation effects, so that the paper cup with the water-based foaming ink coating layer can not be scalded when being held by a hand, and also has the heat preservation effect, and the taste of hot drinks is ensured.
Drawings
FIG. 1 is a graph of the graphic effect of the surface of the paper cup of the present invention;
FIG. 2 is a graph of the graphic effect of the surface of the paper cup.
Detailed Description
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
The reagents used in the examples are as follows:
foaming agent, Xineng chemical ultra-low temperature microsphere WU120 product; aqueous acrylic emulsion, environmental new materials for Calf. Guangzhou Jun Ye, EFPLASTIC616E (918) or basf JONCRYL 805; aqueous polyurethane emulsion, Mi ren accounts for MR-117 or FW-358 of starlight of the chemical industry; thickener, N-1107 from chemical technology, Inc. in Foshan De or CN-402 from Jiano, Germany; the leveling agent is polyether modified organic silicon leveling agent, and is Dow Corning DC-57 or Wuhanxin Corning chemical X-1002; the dispersant is polyurethane or polyacrylic acid, Dongguan journal Co.Ltd D-128; the defoaming agent is an organic silicon defoaming agent, XPJ-E1100 of Hezhou chemical engineering or AT930 of field chemical engineering; an anti-wear agent, D816 or D808 from Unickel.
Example 1
Preparation of the water-based foaming ink: weighing 100g of waterborne acrylic emulsion, adding 30g of waterborne polyurethane emulsion, and stirring for 8min under a high-speed dispersion machine for mixing; adding 8g of pigment, 0.10g of defoaming agent, 1.0g of flatting agent, 0.1g of dispersing agent and 0.10g of pH value stabilizing agent, and dispersing and stirring at high speed for 10 min; and then adding 14g of water, 8g of ethanol and 0.2g of wear-resisting agent, dispersing and stirring at a high speed for 15min, finally adding 8g of unfoamed microspheres and 5g of thickening agent, dispersing and stirring at a high speed for 20min, and grinding to obtain the composite material.
Example 2
Preparation of the water-based foaming ink: weighing 100g of waterborne acrylic emulsion, adding 20g of waterborne polyurethane emulsion, and stirring for 12min under a high-speed dispersion machine for mixing; then adding 5g of pigment, 0.15g of defoaming agent, 1.5g of flatting agent, 0.2g of dispersing agent and 0.15g of pH value stabilizing agent, and dispersing and stirring at high speed for 20 min; and then adding 5g of water, 3g of ethanol and 0.1g of wear-resisting agent, dispersing and stirring at a high speed for 20min, finally adding 8g of unfoamed microspheres and 5g of thickening agent, dispersing and stirring at a high speed for 30min, and grinding to obtain the composite material.
Example 3
Preparation of the water-based foaming ink: weighing 100g of waterborne acrylic emulsion, adding 25g of waterborne polyurethane emulsion, and stirring for 10min under a high-speed dispersion machine for mixing; then 6g of pigment, 0.20g of defoaming agent, 2.0g of flatting agent, 0.3g of dispersing agent and 0.20g of pH value stabilizing agent are added for high-speed dispersion and stirring for 15 min; then 10g of water, 13g of ethanol and 0.3g of wear-resistant agent are added, dispersed and stirred at high speed for 20min, finally 5g of unfoamed microspheres and 2g of thickening agent are added, dispersed and stirred at high speed for 35min, and the mixture is ground to obtain the composite material.
Example 4
Preparation of the water-based foaming ink: weighing 100g of waterborne acrylic emulsion, adding 35g of waterborne polyurethane emulsion, and stirring for 15min under a high-speed dispersion machine for mixing; then adding 9g of pigment, 0.25g of defoaming agent, 2.5g of flatting agent, 0.4g of dispersing agent and 0.25g of pH value stabilizing agent, and dispersing and stirring at high speed for 20 min; and then adding 17g of water, 18g of ethanol and 0.4g of wear-resisting agent, dispersing and stirring at a high speed for 20min, finally adding 9g of unfoamed microspheres and 3g of thickening agent, dispersing and stirring at a high speed for 40min, and grinding to obtain the composite material.
Example 5
Preparation of the water-based foaming ink: weighing 100g of waterborne acrylic emulsion, adding 40g of waterborne polyurethane emulsion, and stirring for 15min under a high-speed dispersion machine for mixing; then 10g of pigment, 0.30g of defoaming agent, 3.0g of flatting agent, 0.5g of dispersing agent and 0.30g of pH value stabilizing agent are added to be dispersed and stirred at high speed for 25 min; and then adding 20g of water, 20g of ethanol and 0.5g of wear-resisting agent, dispersing and stirring at a high speed for 25min, finally adding 10g of unfoamed microspheres and 4g of thickening agent, dispersing and stirring at a high speed for 50min, and grinding to obtain the composite material.
Application example
The aqueous foaming ink described in examples 1-5 was used for printing paper cups, and the specific steps were as follows:
(1) printing the water-based foaming ink on the surface layer of the paper cup base paper by adopting a silk screen, gravure or flexible plate printing mode, and drying and shaping at 60 ℃ for 1-2min to obtain the water-based foaming ink outer layer; (2) and (2) coating a layer of food-grade silicone oil on the outer layer of the water-based foaming ink prepared in the step (1) or performing film covering treatment to obtain the paper cup 1-5 printed with the water-based foaming ink.
The paper cup is foamed at 80-100 ℃, the surface of the paper cup presents an image-text three-dimensional effect (as shown in figures 1-2), and the principle is as follows: the water-based foaming ink is microsphere foaming ink, is water emulsion ink, and has the main components of microspheres, wherein the surface of the microspheres expands to form countless micro air holes under the condition of heating, the volume of the expanded microspheres is dozens to hundreds of times of the original volume, and the air holes enable pictures and texts to show a three-dimensional effect.
The heat insulating property and the heat insulating property of the obtained paper cup were measured, and the results are shown in table 1:
TABLE 1
As seen from table 1: the surface layer of the paper cup base paper is printed with a layer of water-based foaming ink, after the energy of hot drinks is absorbed and the coating is foamed, the temperature difference inside and outside the cup is obvious, the thickness of the foaming coating reaches 0.67mm or more, the temperature difference inside and outside the cup is obvious, the heat insulation effect is good, and the effect of not burning hands is achieved;
after the coating is foamed, along with the increase of the thickness of the coating, the better the heat preservation effect is: the water temperature of the blank sample in the cup is reduced by 26.4 ℃ after 10 min; when the thickness of the foaming coating is about 0.675mm, the temperature of water in the paper cup printed with the water-based foaming ink is reduced by 11.9 ℃ after 10min, and meanwhile, the heat preservation performance is better along with the increase of the coating thickness, so that the paper cup printed with the water-based foaming ink has a good heat preservation effect on hot drinks in the paper cup, can maintain a certain temperature in the paper cup within a certain time, ensures the taste of the hot drinks, and does not influence the use.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
4. the aqueous foaming ink according to claim 1, wherein the thickener is any one or more of a polyurethane thickener, a cellulose thickener and modified products thereof, and a polyacrylamide thickener.
5. The aqueous foaming ink according to claim 1, further comprising, in parts by weight: 0.1-0.3 part of defoaming agent, 1-3 parts of flatting agent, 0.1-0.5 part of dispersing agent, 0.1-0.5 part of pH value stabilizing agent and 0.1-0.5 part of wear-resisting agent.
6. The aqueous foaming ink according to claim 5, wherein the defoaming agent is a silicone defoaming agent, the leveling agent is a polyether-modified silicone leveling agent, the dispersing agent is polyurethane or polyacrylic acid, the pH stabilizer is an amine pH stabilizer, and the wear resistant agent is low molecular weight polyethylene wax.
7. The aqueous foaming ink according to claim 6, wherein the amine pH stabilizer is used to control the pH of the aqueous foaming ink and maintain the pH at 8-9.5.
8. A method for preparing the aqueous foaming ink according to any one of claims 1 to 7, comprising the steps of:
(1) weighing the water-based acrylic emulsion and the water-based polyurethane emulsion according to the formula ratio, and stirring at a high speed for 8-15min for mixing;
(2) adding pigment, a defoaming agent, a flatting agent, a dispersing agent and a pH value stabilizing agent in a formula ratio into the mixed solution obtained in the step (1), and stirring at a high speed for 10-25min to mix;
(3) adding water, alcohols and a wear-resistant agent according to the formula ratio into the mixed solution in the step (2), and stirring at a high speed for 10-25 min;
(4) and (4) adding a foaming agent and a thickening agent into the mixed solution obtained in the step (3) according to the formula ratio, stirring at a high speed for 20-50min, and grinding to obtain the water-based foaming ink.
9. Use of an aqueous foaming ink according to any of claims 1 to 7 in printing paper cups.
10. The application of the aqueous foaming ink according to claim 9 in printing paper cups is characterized by comprising the following steps:
(1) printing the water-based foaming ink on the surface layer of the paper cup base paper by adopting a silk screen, gravure or flexible plate printing mode, and drying and shaping at 60 ℃ for 1-2min to obtain the water-based foaming ink outer layer;
(2) and (3) coating a layer of food-grade silicone oil on the outer layer of the water-based foaming ink prepared in the step (1) or performing film covering treatment to obtain the paper cup printed with the water-based foaming ink.
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Cited By (1)
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CN112625492A (en) * | 2020-12-31 | 2021-04-09 | 扬州天诗新材料科技有限公司 | Use of low molecular weight distribution index polyethylene wax in printing ink |
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CN112625492A (en) * | 2020-12-31 | 2021-04-09 | 扬州天诗新材料科技有限公司 | Use of low molecular weight distribution index polyethylene wax in printing ink |
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