CN114133787A - Water-based metal ink and preparation method thereof - Google Patents

Water-based metal ink and preparation method thereof Download PDF

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Publication number
CN114133787A
CN114133787A CN202111540467.1A CN202111540467A CN114133787A CN 114133787 A CN114133787 A CN 114133787A CN 202111540467 A CN202111540467 A CN 202111540467A CN 114133787 A CN114133787 A CN 114133787A
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China
Prior art keywords
parts
water
aqueous
metallic ink
ink according
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CN202111540467.1A
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Chinese (zh)
Inventor
柳小玉
包勇
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ZHONGSHAN ZHONGYI INK PAINT CO Ltd
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ZHONGSHAN ZHONGYI INK PAINT CO Ltd
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Priority to CN202111540467.1A priority Critical patent/CN114133787A/en
Publication of CN114133787A publication Critical patent/CN114133787A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/106Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09D11/107Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/033Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/037Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds

Abstract

The application provides a water-based metal ink and a preparation method thereof, wherein the water-based metal ink comprises the following components in parts by weight: 25-40 parts of aqueous acrylic acid dispersoid, 10-15 parts of modified epoxy acrylate, 2.5-5 parts of non-ionic emulsifier, 5-10 parts of aqueous film-forming assistant, 1.5-3 parts of assistant, 20-25 parts of metallic pigment, 5-8 parts of filler and 20-30 parts of non-ionic water.

Description

Water-based metal ink and preparation method thereof
Technical Field
The invention belongs to the technical field of high polymer ink, and particularly relates to water-based metal ink and a preparation method thereof.
Background
The traditional metal ink is solvent-based, has good metal feeling, but poor environmental protection, contains a large amount of solvents, has strong irritation, pollutes the environment and is not beneficial to environmental protection. The aqueous metal ink is environment-friendly, difficult to solve the problem of metallic feeling, easy to gel, and not beneficial to popularization of the aqueous metal ink.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an aqueous metallic ink which has good metallic luster and metallic feeling when applied to a metal substrate, and has excellent adhesion and good printing adaptability.
The invention also aims to provide a preparation method of the water-based metal ink.
The water-based metal ink comprises the following components in parts by weight: 25-40 parts of water-based acrylic acid dispersoid, 10-15 parts of modified epoxy acrylate, 2.5-5 parts of non-ionic emulsifier, 5-10 parts of water-based film-forming assistant, 1.5-3 parts of assistant, 20-25 parts of metal pigment, 5-8 parts of filler and 20-30 parts of non-ionic water.
Preferably, the viscosity of the aqueous acrylic acid dispersoid is 1010-5900MPa.s/(25 ℃), the acid value is 13-14mgKOH/g, the solid content is 40 +/-2%, the model of the preferred aqueous acrylic acid dispersoid is DB12619, the aqueous acrylic acid dispersoid consists of aqueous acrylic resin, propylene glycol methyl ether, n-butyl alcohol, water and neutralizer dimethyl Z alcohol amine, the aqueous single-component paint film can be prepared by matching with modified epoxy acrylate, compared with the traditional emulsion, the aqueous single-component paint film does not contain an emulsifier, has better paint film appearance and performance, has excellent adhesive force to various metals such as aluminum alloy, zinc alloy, stainless steel, cold rolled steel and the like, has good pigment dispersibility, and has strong adhesive force to metal substrates.
Preferably, the modified epoxy acrylate is 2-functionality modified bisphenol A epoxy acrylate with the model of B-151XD, the viscosity of 16000-22000cps/60 ℃, the halogen content is lower, the modified epoxy acrylate is added into metal ink to obviously improve the flexibility, the yellowing resistance, the boiling resistance and the salt mist resistance, has good adhesive force to a metal substrate, and simultaneously has low curing volume shrinkage, slow curing speed, low tensile strength, small elongation and high curing speed, so that an ideal flexible and tough paint film can be obtained, the metal feeling is improved, and the gelation is avoided.
Preferably, the filler is fumed silica, preferably M-5 from Degussa, for improving rheological properties, thixotropy reinforcement to improve fluid freedom anti-sagging, anti-settling thickening.
Preferably, the aqueous film-forming assistant comprises propylene glycol and diethylene glycol, and has the effect of promoting dissolution, so that the uniformity of the ink is improved, the printing smoothness of the ink is improved to a certain extent, and the ink is prevented from being gelled.
Preferably, the metal pigment is any one of bronze powder, red gold powder and bronze red powder, has bright color, proper tinting strength and covering power and higher dispersity, and can provide metal feeling.
Preferably, the auxiliary agent comprises 0.5-1 part of water-based adhesion promoter, 0.5-1 part of anti-settling agent and 0.5-1 part of wetting and leveling agent.
The aqueous adhesion promoter is an alkoxy nonionic compound, is specially used on various metal base materials, and has good dispersibility and excellent adhesion promoting effect.
The anti-settling agent is polyamide wax, and has excellent anti-sagging capacity and anti-settling capacity, and can prevent gelatinization.
The wetting and leveling agent is dioctyl sodium sulfosuccinate, so that the flatness and the glossiness of a paint film can be guaranteed.
The preparation method of the water-based metal ink comprises the following steps:
s1, putting the nonionic water, the aqueous film-forming aid, the aqueous acrylic acid dispersoid and the modified epoxy acrylate into a container, and stirring and mixing uniformly;
s2, adding the filler, the metal pigment and the nonionic emulsifier, uniformly mixing, and grinding by using a hydraulic three-roller machine until the fineness of the ink is below 10 micrometers;
and S3, adding the auxiliary agent, stirring and mixing uniformly to obtain the product.
Preferably, in step S1, the stirring time is 20-30 minutes, and the stirring speed is 800-;
in step S2, the stirring speed is 2500-;
in step S3, the mixture is stirred for 30-50 min at a stirring speed of 350-550 rpm.
Compared with the prior art, the invention has the following advantages:
the application provides a water-based metal ink, which comprises the following components in parts by weight: 25-40 parts of aqueous acrylic acid dispersoid, 10-15 parts of modified epoxy acrylate, 2.5-5 parts of non-ionic emulsifier, 5-10 parts of aqueous film-forming assistant, 1.5-3 parts of assistant, 20-25 parts of metallic pigment, 5-8 parts of filler and 20-30 parts of non-ionic water.
The preparation method of the water-based metal ink is simple to process, low in cost, capable of upgrading performance of the existing water-based metal ink, capable of solving the technical problems that the existing water-based metal ink is general in metal feeling and easy to gel, good in stability and strong in metal feeling when being coated on metal, and excellent in dispersity, yellowing resistance, adhesive force and printing performance.
Detailed Description
The following describes a specific embodiment of the present invention with reference to specific examples 1 to 3:
example 1:
a preparation method of water-based metal ink comprises the following steps:
s1, preparing the components according to the parts by weight in the table 1, putting the nonionic water, the aqueous film-forming aid, the aqueous acrylic acid dispersoid and the modified epoxy acrylate into a container, and uniformly stirring and mixing the components, wherein the stirring time is 25 minutes, and the stirring speed is 1000 revolutions per minute;
s2, adding the filler and the metal pigment, uniformly mixing, stirring at the speed of 3000 r/min for 50 minutes, grinding by using a hydraulic three-roller machine until the fineness of the ink is below 10 microns;
and S3, adding the auxiliary agent, stirring and mixing uniformly, and stirring for 30min at the rotation speed of 550 revolutions per minute to obtain the product.
Example 2:
a preparation method of water-based metal ink comprises the following steps:
s1, preparing the components according to the parts by weight in the table 1, putting the nonionic water, the aqueous film-forming aid, the aqueous acrylic acid dispersoid and the modified epoxy acrylate into a container, and uniformly stirring and mixing the components, wherein the stirring time is 30 minutes, and the stirring speed is 800 revolutions per minute;
s2, adding the filler and the metal pigment, uniformly mixing, stirring at 2500 rpm for 60 minutes, grinding by using a hydraulic three-roller machine until the fineness of the ink is below 10 micrometers;
and S3, adding the auxiliary agent, stirring and mixing uniformly, and stirring for 40min at the stirring speed of 400 rpm to obtain the product.
Example 3:
a preparation method of water-based metal ink comprises the following steps:
s1, preparing the components according to the parts by weight in the table 1, putting the nonionic water, the aqueous film-forming aid, the aqueous acrylic acid dispersoid and the modified epoxy acrylate into a container, and uniformly stirring and mixing the components, wherein the stirring time is 20 minutes, and the stirring speed is 900 revolutions per minute;
s2, adding the filler and the metal pigment, uniformly mixing, stirring at 2800 revolutions per minute for 55 minutes, grinding by using a hydraulic three-roll machine until the fineness of the ink is below 10 micrometers;
and S3, adding the auxiliary agent, stirring and mixing uniformly, and stirring for 50min at the stirring speed of 350 revolutions per minute.
Table 1: the water-based metal ink of the embodiment 1-3 comprises the following components in parts by weight:
Figure BDA0003414119110000051
Figure BDA0003414119110000061
after printing an aqueous metallic ink prepared in examples 1 to 3 on an aluminum material, performance tests were performed, the performance test methods and results are shown in table 2:
table 2: results of Performance testing
Figure BDA0003414119110000062
According to the test data, the water-based metal ink prepared by the embodiment of the application has good stability and printing performance, good adhesive force, wear resistance and weather resistance, good metal luster when being applied to metal materials, strong metal feeling, excellent adhesive force, good printing adaptability and other performances, and has good application prospect in metal ink.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The water-based metal ink is characterized by comprising the following components in parts by weight: 25-40 parts of water-based acrylic acid dispersoid, 10-15 parts of modified epoxy acrylate, 5-10 parts of water-based film-forming additive, 1.5-3 parts of additive, 20-25 parts of metal pigment, 5-8 parts of filler and 20-30 parts of non-ionic water.
2. The aqueous metallic ink according to claim 1, characterized in that: the viscosity of the aqueous acrylic acid dispersoid is 1010-5900MPa.s/(25 ℃), the acid value is 13-14mgKOH/g, and the solid content is 40 +/-2%.
3. The aqueous metallic ink according to claim 1, characterized in that: the metal pigment is any one of bronze powder, red gold powder and bronze red gold powder.
4. The aqueous metallic ink according to claim 1, characterized in that: the modified epoxy acrylate is 2-functionality modified bisphenol A epoxy acrylate, and the viscosity is 16000-.
5. The aqueous metallic ink according to claim 1, characterized in that: the filler is fumed silica.
6. The aqueous metallic ink according to claim 1, characterized in that: the aqueous coalescent includes propylene glycol and diethylene glycol.
7. The aqueous metallic ink according to claim 1, characterized in that: the auxiliary agent comprises 0.5-1 part of aqueous adhesion promoter, 0.5-1 part of anti-settling agent and 0.5-1 part of wetting and leveling agent.
8. The aqueous metallic ink according to claim 7, characterized in that: the water-based adhesion promoter is an alkoxy nonionic compound, the anti-settling agent is polyamide wax, and the wetting and leveling agent is dioctyl sodium sulfosuccinate.
9. The method for preparing the aqueous metallic ink according to any one of claims 1 to 8, comprising the steps of:
s1, putting the nonionic water, the aqueous film-forming aid, the aqueous acrylic acid dispersoid and the modified epoxy acrylate into a container, and stirring and mixing uniformly;
s2, adding filler and metal pigment, uniformly mixing, and grinding by using a hydraulic three-roller machine until the fineness of the ink is below 10 micrometers;
and S3, adding the auxiliary agent, stirring and mixing uniformly to obtain the product.
10. The method for preparing the water-based metallic ink as recited in claim 9, wherein in the step S1, the stirring time is 20-30 minutes, and the stirring speed is 800-;
in step S2, the stirring speed is 2500-;
in step S3, the mixture is stirred for 30-50 min at a stirring speed of 350-550 rpm.
CN202111540467.1A 2021-12-16 2021-12-16 Water-based metal ink and preparation method thereof Pending CN114133787A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
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CN102382506A (en) * 2011-08-02 2012-03-21 周贤永 Water-soluble environmentally-friendly gravure ink and preparation method thereof
CN104845447A (en) * 2015-06-03 2015-08-19 王金海 Environment-friendly water-based metal printing ink and preparation method thereof
CN105176186A (en) * 2015-02-16 2015-12-23 上海荟百精细化工有限公司 Water-based metal ink for UV offset ink and preparation method thereof
CN111116812A (en) * 2019-12-23 2020-05-08 上海金力泰化工股份有限公司 Aqueous polyacrylate dispersoid containing hydroxyl and preparation method thereof
CN111269612A (en) * 2020-02-13 2020-06-12 广州亦盛环保科技有限公司 Water-based metal protection ink and preparation method thereof
CN111675780A (en) * 2020-07-06 2020-09-18 江苏巨珩新材料科技有限公司 Water-based acrylic acid dispersion applied to high-speed rail surface coating and preparation method
CN111848878A (en) * 2020-07-27 2020-10-30 中国科学院化学研究所 Aqueous acrylic acid dispersion and preparation method and application thereof
CN112852217A (en) * 2021-03-30 2021-05-28 中山市中益油墨涂料有限公司 UV-LED metal ink and preparation method thereof

Patent Citations (8)

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Publication number Priority date Publication date Assignee Title
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CN105176186A (en) * 2015-02-16 2015-12-23 上海荟百精细化工有限公司 Water-based metal ink for UV offset ink and preparation method thereof
CN104845447A (en) * 2015-06-03 2015-08-19 王金海 Environment-friendly water-based metal printing ink and preparation method thereof
CN111116812A (en) * 2019-12-23 2020-05-08 上海金力泰化工股份有限公司 Aqueous polyacrylate dispersoid containing hydroxyl and preparation method thereof
CN111269612A (en) * 2020-02-13 2020-06-12 广州亦盛环保科技有限公司 Water-based metal protection ink and preparation method thereof
CN111675780A (en) * 2020-07-06 2020-09-18 江苏巨珩新材料科技有限公司 Water-based acrylic acid dispersion applied to high-speed rail surface coating and preparation method
CN111848878A (en) * 2020-07-27 2020-10-30 中国科学院化学研究所 Aqueous acrylic acid dispersion and preparation method and application thereof
CN112852217A (en) * 2021-03-30 2021-05-28 中山市中益油墨涂料有限公司 UV-LED metal ink and preparation method thereof

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