CN113388285B - Water-based ink with good initial drying property, strong adhesion fastness and adhesion resistance and preparation method thereof - Google Patents

Water-based ink with good initial drying property, strong adhesion fastness and adhesion resistance and preparation method thereof Download PDF

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CN113388285B
CN113388285B CN202110827389.7A CN202110827389A CN113388285B CN 113388285 B CN113388285 B CN 113388285B CN 202110827389 A CN202110827389 A CN 202110827389A CN 113388285 B CN113388285 B CN 113388285B
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water
acrylic resin
modified acrylic
based ink
initial drying
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CN113388285A (en
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张梅
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Shanghai Qingfeng Digital Technology Co ltd
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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
    • 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
    • C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent

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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 application relates to the field of printing materials, in particular to water-based ink with good initial drying property, strong adhesion fastness and blocking resistance and a preparation method thereof. The water-based ink with good initial drying property, strong adhesion fastness and blocking resistance comprises raw materials of water-based modified acrylic resin, isopropanol, sodium acetate, water-based color paste and a dispersing agent. The preparation method of the water-based ink comprises the step S1 of uniformly mixing a dispersant and water-based color paste according to the weight part to obtain a mixture A; s2, uniformly mixing the waterborne modified acrylic resin, isopropanol and sodium acetate in parts by weight to obtain a mixture B; and S3, uniformly mixing the mixture A and the mixture B to obtain the water-based ink with good initial drying property, strong adhesion and blocking resistance. The water-based ink prepared by the method has good initial drying performance, good adhesion fastness and good anti-blocking performance, and is beneficial to improving the printing quality of the water-based ink.

Description

Water-based ink with good initial drying property, strong adhesion fastness and adhesion resistance and preparation method thereof
Technical Field
The application relates to the field of printing materials, in particular to water-based ink with good initial drying property, strong adhesion fastness and blocking resistance and a preparation method thereof.
Background
Ink is an important material for printing, and is used for expressing patterns and characters on a printing material through printing or inkjet. At present, the ink generally comprises a vehicle, a pigment, a filler, an auxiliary agent, a solvent and the like. Among them, inks can be classified into organic solvent type inks and water-based inks according to different properties of binders used for the inks.
The water-based ink generally adopts water-soluble resin or water-dispersible resin as a bonding material, so that water can be used for replacing an organic solvent in the traditional organic solvent type ink, and the ink does not contain a volatile toxic organic solvent any more, so that the adverse effect on the health of workers in the printing process is avoided, and the air pollution is reduced.
However, since the volatilization speed of water is much lower than that of an organic solvent, the prior water-based ink generally has the problems of poor initial drying property, low adhesion fastness and easy blocking, and the quality of printed matters is easily influenced.
Disclosure of Invention
The application provides the water-based ink which has good initial drying property, strong adhesion fastness and blocking resistance and the preparation method thereof in order to improve the printing quality of the water-based ink.
In a first aspect, the present application provides a water-based ink with good initial drying property, strong adhesion fastness and blocking resistance, which adopts the following technical scheme:
the water-based ink with good initial drying property, strong adhesion fastness and adhesion resistance is prepared from the following raw materials in parts by weight:
aqueous modified acrylic resin: 60 to 70 portions of
Isopropyl alcohol: 10-20 parts of
Sodium acetate: 1-2 parts of
Water-based color paste: 25-35 parts of
Dispersing agent: 3-4 parts of
The viscosity of the waterborne modified acrylic resin is 2000-6000mPa & s, and the waterborne modified acrylic resin is a composition of one or two of waterborne epoxy modified acrylic resin and waterborne organic silicon modified acrylic resin.
By adopting the technical scheme, the waterborne epoxy modified acrylic resin with the viscosity of 2000-6000 mPa.s or the waterborne organic silicon modified acrylic resin with the viscosity of 2000-6000 mPa.s has synergistic effect with isopropanol and sodium acetate, and when the waterborne epoxy modified acrylic resin, the waterborne organic silicon modified acrylic resin with the viscosity of 2000-6000 mPa.s, the isopropanol and the sodium acetate are added into the waterborne color paste and the dispersing agent according to the proportion, the waterborne ink with better initial drying performance and better adhesion fastness and blocking resistance can be obtained, and the printing quality of the waterborne ink is improved.
Optionally, the waterborne modified acrylic resin comprises a waterborne epoxy modified acrylic resin with the viscosity of 4000-6000mPa · s and a waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000mPa · s, and the weight ratio of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000mPa · s to the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000mPa · s is (0.52-0.78): 1.
by adopting the technical scheme, when the waterborne modified acrylic resin is a mixture of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s and the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s, and the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s and the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s are in the above mixture ratio range, the prepared waterborne ink not only has better initial drying performance, adhesion fastness and anti-blocking performance, but also can keep an unsteakable state after being soaked in boiling water for 30 min.
Optionally, the weight ratio of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa-s to the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa-s is 0.65: 1.
by adopting the technical scheme, when the weight ratio of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000mPa & s to the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000mPa & s is 0.65: 1, the prepared water-based ink not only has better initial drying performance, adhesion fastness and anti-blocking performance, but also can keep a non-falling and non-fading state after being soaked in boiling water for 30 min.
Optionally, the water-based color paste is any one of a basf 1780 color paste and a basf 8730 color paste.
Optionally, the dispersant is a water-soluble anionic surfactant.
By adopting the technical scheme, the water-soluble anionic surfactant can effectively promote the uniform dispersion of the water-based color paste into the water-based modified acrylic resin, so that the quality and the printing quality of the water-based ink are improved.
Optionally, the water-soluble anionic surfactant is any one or a combination of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, polyacrylic acid or polyacrylate.
By adopting the technical scheme, the sodium dodecyl benzene sulfonate, the sodium dodecyl sulfate, the polyacrylic acid, the polyacrylate and the water-based modified acrylic resin have good compatibility, and the uniform dispersion of the water-based color paste into the water-based modified acrylic resin can be further effectively promoted, so that the quality and the printing quality of the water-based ink are improved.
Optionally, the water-based ink further comprises 1-3 parts by weight of a defoaming agent.
By adopting the technical scheme, the addition of the defoaming agent is favorable for eliminating bubbles, and the adhesion fastness of the water-based ink can be further improved.
In a second aspect, the present application provides a method for preparing an anti-blocking water-based ink with good initial drying property, strong adhesion, which adopts the following technical scheme:
a preparation method of water-based ink with good initial drying, strong adhesion fastness and blocking resistance comprises the following steps
The method comprises the following steps:
s1, uniformly mixing the dispersing agent and the water-based color paste according to the parts by weight to obtain a mixture A;
s2, uniformly mixing the waterborne modified acrylic resin, isopropanol and sodium acetate in parts by weight to obtain a mixture B;
and S3, uniformly mixing the mixture A and the mixture B to obtain the water-based ink with good initial drying property, strong adhesion and blocking resistance.
By adopting the technical scheme, the dispersing agent and the water-based color paste are uniformly mixed, so that the dispersing performance of the water-based color paste in the water-based modified acrylic resin is improved, the water-based ink with good fluidity and high uniformity is obtained, and the printing quality of the water-based ink is further improved.
In summary, the beneficial effects of the present application are at least as follows:
(1) in the application, the waterborne epoxy modified acrylic resin with the viscosity of 2000-6000 mPa.s or the waterborne organic silicon modified acrylic resin with the viscosity of 2000-6000 mPa.s has a synergistic effect with isopropanol and sodium acetate, and when the waterborne color paste and the dispersant are added according to the proportion, the waterborne ink with good initial drying performance and good adhesion fastness and blocking resistance can be obtained, so that the printing quality of the waterborne ink can be improved;
(2) when the weight ratio of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000mPa & s to the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000mPa & s is 0.65: 1, the prepared water-based ink has good initial drying performance, adhesion fastness and anti-blocking performance, and can keep a non-dropping and non-fading state after being soaked in boiling water for 30 min.
Detailed Description
The present application will be further described with reference to examples and comparative examples.
Examples
The raw materials and proportions of the aqueous inks of examples 1-3 are shown in Table 1 below:
TABLE 1 raw materials and compounding ratios (unit: kg) of the aqueous inks of examples 1 to 3
Raw materials Example 1 Example 2 Example 3
Water-based modified acrylic resin 60 65 70
Isopropanol (I-propanol) 10 15 20
Sodium acetate 1 1.5 2
Water-based color paste 25 30 35
Dispersing agent 3 3.5 4
Examples 1 to 3
The preparation method of the water-based ink with good initial drying property, strong adhesion fastness and blocking resistance comprises the following steps:
s1, stirring the dispersing agent and the aqueous color paste for 30min at a stirring speed of 1000rad/min according to the mixture ratio in the table 1, so that the dispersing agent is uniformly dispersed into the aqueous color paste to obtain a mixture A;
s2, mixing the water-based modified acrylic resin, the isopropanol and the sodium acetate according to the mixture ratio in the table 1, and stirring for 45min at a stirring speed of 600rad/min to obtain a mixture B;
and S3, adding the mixture A into the mixture B, and stirring for 15min at a stirring speed of 1200rad/min to fully mix the mixture A and the mixture B to obtain the water-based ink with good initial drying property, strong adhesion and blocking resistance.
In the embodiment 1-3, sodium polyacrylate is adopted as the dispersing agent, and the water-based color paste is Basf 1780 color paste; the waterborne modified acrylic resin adopts waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s, and the waterborne epoxy modified acrylic resin is purchased from Kepler Biotech, Inc. in Shandong.
Example 4
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 3 in that:
the waterborne modified acrylic resin adopts waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s, and the waterborne organic silicon modified acrylic resin is purchased from Qing Yuan Qingrun New Material science and technology company Limited in Qing Yuan.
Example 5
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 3 in that:
the waterborne modified acrylic resin is a mixture of a waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s and a waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s, wherein the dosage of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s is 46.67kg, and the dosage of the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s is 23.33 kg.
Example 6
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 3 in that:
the waterborne modified acrylic resin is a mixture of a waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s and a waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s, wherein the dosage of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s is 23.95kg, and the dosage of the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s is 46.05 kg.
Example 7
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 3 in that:
the waterborne modified acrylic resin is a mixture of a waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas and a waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPas, wherein the dosage of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas is 27.58kg, and the dosage of the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPas is 42.42 kg.
Example 8
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 3 in that:
the waterborne modified acrylic resin is a mixture of a waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas and a waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPas, wherein the dosage of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas is 30.68kg, and the dosage of the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPas is 39.32 kg.
Example 9
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 3 in that:
the waterborne modified acrylic resin is a mixture of a waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas and a waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPas, wherein the dosage of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas is 11.67kg, and the dosage of the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPas is 58.33 kg.
Example 10
The water-based ink which has good initial drying property, strong adhesion and blocking resistance is different from the water-based ink in example 7 in that:
the dispersant is sodium dodecyl benzene sulfonate.
Comparative example
Comparative example 1
An aqueous ink differing from example 3 in that:
the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPas is replaced by the same amount of waterborne epoxy modified acrylic resin with the viscosity of 50000-60000-mPas, and the waterborne epoxy modified acrylic resin with the viscosity of 50000-60000-s is purchased from New materials of Beijing Gai Union, Ltd.
Comparative example 2
An aqueous ink differing from example 3 in that:
isopropanol was replaced with an equal amount of sodium acetate.
Comparative example 3
An aqueous ink differing from example 3 in that:
the sodium acetate was replaced with an equal amount of isopropanol.
Performance data detection
Initial drying: the determination is carried out according to the national standard GB/T13217.5-2008 'method for testing initial drying of liquid ink'.
And (3) fastness to adhesion: the measurement is carried out according to the national standard GB/T13217.7-2009 'test method for liquid ink adhesion fastness'.
Blocking resistance: the determination is carried out according to the national standard GB/T13217.8-2009 anti-blocking test method for liquid ink.
Boiling resistance: the inks prepared in the examples and the comparative examples are respectively printed on a steel plate by the same process, after the ink on the steel plate is dried, the steel plate is put into boiling water to be boiled for 30min, and then taken out to observe whether the ink has the phenomenon of fading or falling off.
TABLE 2 Performance testing of aqueous inks in examples 1-10 and comparative examples 1-3
Item Example 1 Example 2 Example 3 Example 4
Initial drying/mm 31 27 30 29
Attachment fastness/%) 95 99 98 98
Anti-blocking property/%) 92 96 94 95
Boiling resistance Partially fall off and discolor Partially fall off and lose color Partially fall off and lose color Partially peeled off and discolored
Item Example 5 Example 6 Example 7 Example 8
Initial drying/mm 26 28 27 26
Fastness to adhesion/%) 99 98 99 99
Anti-blocking property/%) 96 94 96 95
Resistance to boiling Partially fall off and lose color No drop but no color loss No peeling and no fading No drop but no color loss
Item Example 9 Example 10 Comparative example 1 Comparative example 2
Initial drying/mm 28 29 16 42
Fastness to adhesion/%) 98 97 82 84
Anti-blocking property/%) 95 95 96 92
Boiling resistance Partially fall off and lose color No peeling and no fading Partially fall off and discolor Partially fall off and discolor
Item Comparative example 3
Initial drying/mm 38
Fastness to adhesion/%) 86
Anti-blocking property/%) 88
Boiling resistance Partially fall off and discolor
According to the data in the table 2 and the data in the examples 3-4 and the comparative examples 1-3, it can be seen that when the aqueous modified acrylic resin with the viscosity of 2000-6000mPa · s, the isopropyl alcohol and the sodium acetate are added into the aqueous color paste and the dispersant at the same time according to a certain proportion, the aqueous ink with good initial drying performance, good adhesion and blocking resistance can be obtained.
From examples 3 to 9 in combination with the data in Table 2, it can be seen that when the aqueous modified acrylic resin is a mixture of an aqueous epoxy-modified acrylic resin having a viscosity of 4000-6000 mPas and an aqueous silicone-modified acrylic resin having a viscosity of 2000-4000 mPas, and the weight ratio of the aqueous epoxy-modified acrylic resin having a viscosity of 4000-6000 mPas to the aqueous silicone-modified acrylic resin having a viscosity of 2000-4000 mPas is (0.52-0.78): within the range of 1, the prepared water-based ink has good initial drying performance, adhesion fastness and anti-blocking performance, and can keep a non-shedding state but has a fading phenomenon after being soaked in boiling water for 30 min. When the weight ratio of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s to the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s is 0.65: 1, the prepared water-based ink has good initial drying performance, adhesion fastness and anti-blocking performance, and can keep a non-dropping and non-fading state after being soaked in boiling water for 30 min.

Claims (6)

1. The water-based ink with good initial drying property, strong adhesion fastness and blocking resistance is characterized in that: the feed is prepared from the following raw materials in parts by weight:
aqueous modified acrylic resin: 60 to 70 portions of
Isopropyl alcohol: 10-20 parts of
Sodium acetate: 1-2 parts of
Water-based color paste: 25-35 parts of
Dispersing agent: 3-4 parts of
Wherein the waterborne modified acrylic resin comprises waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s and waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s, and the weight ratio of the waterborne epoxy modified acrylic resin with the viscosity of 4000-6000 mPa.s to the waterborne organic silicon modified acrylic resin with the viscosity of 2000-4000 mPa.s is 0.65: 1.
2. the water-based ink with good initial drying property, strong adhesion fastness and blocking resistance as claimed in claim 1, wherein the water-based color paste is any one of a Pasv 1780 color paste and a Pasv 8730 color paste.
3. The water-based ink having good initial drying property, high adhesion and blocking resistance according to claim 1, wherein the dispersant is a water-soluble anionic surfactant.
4. The water-based ink with good initial drying property, strong adhesion and blocking resistance of claim 3, wherein the water-soluble anionic surfactant is one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, polyacrylic acid or polyacrylate.
5. The water-based ink with good initial drying property, strong adhesion and blocking resistance as claimed in claim 1, wherein the water-based ink further comprises 1-3 parts by weight of a defoaming agent.
6. A method for preparing a water-based ink having good initial drying property, strong adhesion and blocking resistance according to any one of claims 1 to 5, comprising the steps of:
s1, uniformly mixing the dispersing agent and the water-based color paste according to the parts by weight to obtain a mixture A;
s2, uniformly mixing the waterborne modified acrylic resin, isopropanol and sodium acetate in parts by weight to obtain a mixture B;
and S3, uniformly mixing the mixture A and the mixture B to obtain the water-based ink with good initial drying property, strong adhesion and blocking resistance.
CN202110827389.7A 2021-07-21 2021-07-21 Water-based ink with good initial drying property, strong adhesion fastness and adhesion resistance and preparation method thereof Active CN113388285B (en)

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JP4314653B2 (en) * 1998-10-08 2009-08-19 Ｊｓｒ株式会社 Water-based ink composition
CN105273486A (en) * 2014-07-11 2016-01-27 五邑大学 Preparation method for water-based ink with fluorosilicone-modified acrylate core-shell emulsion as binder
CN109021688B (en) * 2018-07-27 2021-07-16 广东顺德艾司科科技股份有限公司 Environment-friendly water-based printing ink and preparation method thereof
CN110204957A (en) * 2019-05-13 2019-09-06 崔丽君 A kind of Environmental-protection water-based ink and its preparation process
CN112143282A (en) * 2020-09-24 2020-12-29 晋江市顺力纸箱有限公司 Environment-friendly water-based ink, environment-friendly high-strength compression-resistant color box and manufacturing method thereof

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