CN106752338B - A kind of water-soluble ink for screen printing and preparation method thereof - Google Patents
A kind of water-soluble ink for screen printing and preparation method thereof Download PDFInfo
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- CN106752338B CN106752338B CN201611104798.XA CN201611104798A CN106752338B CN 106752338 B CN106752338 B CN 106752338B CN 201611104798 A CN201611104798 A CN 201611104798A CN 106752338 B CN106752338 B CN 106752338B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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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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- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention belongs to chemical coating field, and in particular to a kind of water-soluble ink for screen printing and preparation method thereof.Water-soluble ink for screen printing provided by the invention is mainly made up of waterborne polyurethane resin, water-based acrylic resin, white slurry, crosslinking agent, levelling agent, tripropylene glycol ether and thickener；The white slurry is mainly made up of titanium dioxide, dispersant, wetting agent, defoamer and deionized water, and the particle diameter starched in vain is 3 4um.Water-soluble ink for screen printing provided by the invention formula collocation rationally, science, each component collaboration strengthens adhesive force, tinctorial yield, pliability, absorption of perspiration and the corrosion resistance of water-soluble ink for screen printing coating, the print product of printing above-mentioned coating has the transparent light in surface, it is glossy, the effect that long-term use is not faded, do not fallen off, and the VOC (VOC) and content of beary metal of the water-soluble ink for screen printing are low, it is a kind of health, environmental protection, meets the water-soluble ink for screen printing of modern's requirement.
Description
Technical field
The invention belongs to chemical coating field, and in particular to a kind of water-soluble ink for screen printing and preparation method thereof.
Background technology
Printing-ink is that transmission information and the fine chemical product for decorating cultural world, ink for screen printing refer to using silk-screen printing
All ink during mode.With the development of the prosperity of national economy, culture and education and printing industry, ink industry and printer
The rapid development that industry also obtains.In recent years, in order to which environmental protection, many countries add many in terms of packages printing and defended
Raw, environmental protection aspect requirement and restriction condition, especially in terms of packaging for foodstuff printing.Largely may be used because solvent-based ink contains
Volatility toxic solvent, water-based ink start the use for gradually substituting it in terms of packing business.
Binder is the key component of water-based ink, influences the tinting strength, tinting power and tack of ink, and the tinting strength, tinting power of ink with
Quality good or not and the cost height of printing have close relationship.The binder of early stage water-based ink is concentrated mainly on rosin and horse
Carry out acid modified resin, but the water resistance of the resin, heat resistance, tinting strength, tinting power and glossiness are very poor, it is impossible to meet the needs of production.
Then, people start the copolymer of acrylate monomer and styrene being applied in water-based ink.
The A of patent document CN 104559463 disclosed a kind of water-soluble silk screen ink and its manufacture on October 16th, 2013
Technique, the water-soluble silk screen ink mainly by water-based styrene acrylic resin, levelling agent, coupling agent, emulsifying agent, defoamer,
Nertralizer and water composition, the water-based styrene acrylic resin is water-based acrylic resin liquid.The water-soluble silk screen being prepared
Ink has a good tack on printing cigarette, the stock such as Wine packaging, picture and text clearly, the advantages that not after-tacking, not getting damp.Though
The water resistance of the right water-based styrene acrylic resin is greatly improved, but still reaches to the requirement less than application.
Wang Haiqiao etc. has delivered the paper of one entitled " silane coupler modified acrylic emulsion used for water color ink ", should
Paper, which discloses, is copolymerized the silane coupling A -174 containing double bond and acrylate monomer, and having synthesized one kind can apply and modeling
Expect film substrate on acrylic emulsion used for water color ink, and its can also improve improve polymer water resistance, obtain compared with
Good effect.But the tinctorial property of the acrylic emulsion used for water color ink is poor, the matter of water-based ink greatly have impact on
Amount.
Cai Dongyu etc. has delivered entitled " the plastic rotogravure water using polyurethane-polyacrylate emulsion as binder
The paper of the development of property ink ", the paper prepare polyurethane-polyacrylate composite emulsion using emulsion copolymerization method, and with phthalein
Cyanines are blue to be configured with plastic gravure waterborne ink for pigment, not only has excellent attachment fastness to PET film, same to OPP film
Sample is with good attachment fastness and with good water resistance.But should be using polyurethane-polyacrylate emulsion as connection
The tinctorial property of the plastic gravure waterborne ink of material is poor, greatly have impact on the quality of water-based ink.
Therefore, research and develop that a kind of coloring is good, adhesive force is strong, water resistance and wearability are good, volatile organic compound
Thing (VOC) and the low ink for screen printing of content of beary metal are still the problem for being currently needed for solving.
The content of the invention
In order to overcome low coloring existing for ink for screen printing in the prior art, poor adhesive force, water resistance and wearability poor
The defects of.It is an object of the invention to provide a kind of water-soluble ink for screen printing and preparation method thereof, to solve drawbacks described above.
The invention provides a kind of water-soluble ink for screen printing, including following component and its parts by weight：
Aqueous polyurethane resin 45-65 parts, water-based acrylic resin 14.1-35.6 parts, white slurry 12-18 parts, crosslinking agent
0.5-2 parts, levelling agent 0.3-0.6 parts, tripropylene glycol ether 1-3 parts and thickener 0.2-0.8 parts；
The white slurry includes following components and its parts by weight：
Titanium dioxide 70-80 parts, dispersant 1-4 parts, wetting agent 0.2-0.8 parts, defoamer 1-4 parts and deionized water 15-20
Part, the particle diameter starched in vain is 3-4um.
Further, the water-soluble ink for screen printing includes following component and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of water-based acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, levelling agent
0.5 part of 0.4 part, 2 parts of film forming agent and thickener.
Further, the white slurry includes following components and its parts by weight：
18 parts of 77.4 parts of titanium dioxide, 2 parts of dispersant, 0.6 part of wetting agent, 2 parts of defoamer and deionized water, it is described to starch in vain
Particle diameter is 3-4um.
Further, the crosslinking agent by carbodiimides and trimethylolpropane trimethacrylate by weight (4~
6):(1~3) form.
Further, the crosslinking agent is by carbodiimides and trimethylolpropane trimethacrylate by weight 5:2 groups
Into.
Further, the levelling agent is dimethyl silicone polymer；The thickener is Coapur XS71.
Further, the dispersant is acrylic acid maleic acid.
Further, the wetting agent is the etherate of poly glycol monomethyl ether.
Further, the defoamer is the ether of polyethylene glycol 18.
In addition, present invention also offers a kind of preparation method of water-soluble ink for screen printing, comprise the following steps：
The preparation that S1 is starched in vain：Dispersant, wetting agent, defoamer and titanium dioxide are added into deionized water, stirs, obtains
Mixed liquor, mixed liquor is added into three-roll grinder, the particle diameter for being ground to mixed liquor is 3-4um, obtains white slurry；
S2 mixes aqueous polyurethane resin, water-based acrylic resin, crosslinking agent, levelling agent, tripropylene glycol ether and thickener
Close, stirred under conditions of being heated to 40-45 DEG C, obtain mixed liquor I；
The white slurry that step S1 is obtained is well mixed by S3 with the obtained mixed liquor Is of step S2, is produced.
Aqueous polyurethane resin in water-soluble ink for screen printing provided by the invention is that a kind of have wet film ability to cure
Resin, its molecular formula are (C9H6N2O2.C6H14O3) x, No. CAS is 9017-09-8；Water-based acrylic resin is purchased from Lubrzol public affairs
Department, article No. CR726；No. CAS of carbodiimides is 25952-53-8；No. CAS of acrylic acid maleic acid be
29132-58-9；No. CAS of the etherate of poly glycol monomethyl ether is 117272-76-1；No. CAS of dimethyl silicone polymer be
9006-65-9；No. CAS of the ether of polyethylene glycol 18 is 9005-00-09.Coapur XS71 thickeners are purchased from Guangzhou Gao Taihua
Work Science and Technology Ltd., brand are French Gao Tai.
The friendship provided by the invention being made up of carbodiimides and trimethylolpropane trimethacrylate by certain weight ratio
Join agent, can effectively solve aqueous polyurethane resin and water-based acrylic resin poor compatibility and tinting strength, tinting power it is low lack
Fall into, can effectively improve the stability and tinting strength, tinting power of water-based ink, while can also effectively improve water-based ink
Performance.Found through experiment, water-soluble ink for screen printing provided by the invention is more than according to the glossiness of paint film made of spraying process
65GS, adhesive force 5B, tinctorial yield 100%, pliability (diameter) are less than 0.93mm, illustrate provided by the invention by carbonization two
The crosslinking agent that imines and trimethylolpropane trimethacrylate are formed by certain weight ratio can effectively improve water-based ink
Adhesive force, tinting strength, tinting power, glossiness and the pliability of paint film, it is a kind of ideal water-soluble ink for screen printing.
Further, levelling agent provided by the invention, tripropylene glycol ether and thickener can make water-soluble ink for screen printing
Surface tension tends to balance, and promotes the flowing of solution.Meanwhile inventor has found that it is 3- that titanium dioxide first is made into particle diameter through experiment
4um white slurry is added in printing ink paint, will not be destroyed the structure of resin in printing ink paint, not influenceed each of water-soluble ink for screen printing
Item performance, the wearability and exterior quality of water-soluble ink for screen printing can also be increased, improve the quality of water-soluble ink for screen printing, and
Titanium dioxide is made into white slurry of the particle diameter more than 4um or less than 3um to add in printing ink paint, or titanium dioxide is directly added into ink
In coating, the wearability, glossiness and richness of ink can be influenceed, has a strong impact on the performance of water-soluble ink for screen printing.
Water-soluble ink for screen printing provided by the invention formula collocation rationally, science, each component collaboration enhancing water-based ink
Adhesive force, water resistance, tinting strength, tinting power, good pliability and pick resistance the advantages of, print above-mentioned water-soluble ink for screen printing cigarette,
The sanitary conditions such as wine, food, beverage, medicine, toy for children require there is the transparent light in surface on strict Packaging Printing Product,
Glossy, coloring is good, the effect that long-term use is not faded, do not fallen off, and paint film made from the water-soluble ink for screen printing is resistance to
Corrosivity is strong, toxic volatile content of organics and content of beary metal are low, is a kind of health, environmental protection, meets modern's requirement
Water-soluble ink for screen printing.
Compared with prior art, water-soluble ink for screen printing provided by the invention has the advantage that：
(1) water-soluble ink for screen printing provided by the invention has adhesive force height, strong coloring force, VOC
(VOC) content and content of beary metal are low, are a kind of health, the water-soluble ink for screen printing of environmental protection；
(2) paint film that water-soluble ink for screen printing provided by the invention is prepared has good pliability, water resistance and anti-corruption
The advantages of corrosion can be strong；
(3) water-soluble ink for screen printing provided by the invention is applied to have the transparent light in surface, richness on print product
Effect high, glossy, that long-term use is not faded, do not fallen off, can improve the aesthetic property of Packaging Printing Product, be that one kind meets
The water-soluble ink for screen printing that modern requires.
Embodiment：
Below by way of the description of embodiment, the invention will be further described, but this is not the limit to the present invention
System, those skilled in the art according to the present invention basic thought, various modifications may be made or improve, but without departing from this
The basic thought of invention, within the scope of the present invention.
Embodiment 1, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
45 parts of aqueous polyurethane resin, 14.1 parts of water-based acrylic resin, white 12 parts of slurry, 0.5 part of crosslinking agent, poly dimethyl
0.3 part of siloxanes, 1 part of tripropylene glycol ether and Coapur XS710.2 parts；The crosslinking agent is by carbodiimides and trihydroxy methyl
Propane triacrylate is by weight 6:1 composition；
The white slurry is made up of following components and its parts by weight：
70 parts of titanium dioxide, 1 part of acrylic acid maleic acid, 0.2 part of etherate, the polyethylene glycol of poly glycol monomethyl ether
15 parts of 18 1 part of ethers and deionized water, the particle diameter starched in vain is 3um.
Preparation method：
The preparation that S1 is starched in vain：By the acrylic acid maleic acid in above-mentioned formula, the etherificate of poly glycol monomethyl ether
Thing, the ether of polyethylene glycol 18 and titanium dioxide add deionized water, stir, obtain mixed liquor, and mixed liquor is added into the grinding of three rollers
Machine, the particle diameter for being ground to mixed liquor is 3um, obtains white slurry；
S2 by the aqueous polyurethane resin in above-mentioned formula, water-based acrylic resin, by carbodiimides and trihydroxy methyl
Propane triacrylate is by weight 6:Crosslinking agent, dimethyl silicone polymer levelling agent, tripropylene glycol ether and the Coapur of 1 composition
XS71 is mixed, and is stirred under conditions of being heated to 42 DEG C, is obtained mixed liquor I；
The white slurry that step S1 is obtained is well mixed by S3 with the obtained mixed liquor Is of step S2, is produced.
Embodiment 2, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of water-based acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, poly dimethyl
0.5 part of 0.4 part of siloxanes, 3 parts of tripropylene glycol ether and Coapur XS71；The crosslinking agent is by carbodiimides and trihydroxy methyl
Propane triacrylate is by weight 5:2 compositions；
The white slurry is made up of following components and its parts by weight：
77.4 parts of titanium dioxide, 2 parts of acrylic acid maleic acid, 0.6 part of the etherate of poly glycol monomethyl ether, poly- second two
18 parts of 2 parts of 18 ether of alcohol and deionized water, the particle diameter starched in vain is 4um.
Preparation method is similar to Example 1.
Embodiment 3, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
65 parts of aqueous polyurethane resin, 30 parts of water-based acrylic resin, white 18 parts of slurry, 2 parts of crosslinking agent, polydimethylsiloxanes
0.8 part of 0.6 part of alkane, 3 parts of tripropylene glycol ether and Coapur XS71；The crosslinking agent is by carbodiimides and trimethylolpropane
Triacrylate is by weight 4:3 compositions
The white slurry is made up of following components and its parts by weight：
80 parts of titanium dioxide, 4 parts of acrylic acid maleic acid, 0.8 part of etherate, the polyethylene glycol of poly glycol monomethyl ether
20 parts of 18 4 parts of ethers and deionized water, the particle diameter starched in vain is 3um.
Preparation method is similar to Example 1.
Comparative example 1, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
50 parts of urethane resin, 30.3 parts of water-based acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, poly- diformazan
0.5 part of 0.4 part of radical siloxane, 3 parts of tripropylene glycol ether and Coapur XS71；The crosslinking agent is by carbodiimides and three hydroxyl first
Base propane triacrylate is by weight 5:2 compositions；
The white slurry is made up of following components and its parts by weight：
77.4 parts of titanium dioxide, 2 parts of acrylic acid maleic acid, 0.6 part of the etherate of poly glycol monomethyl ether, poly- second two
18 parts of 2 parts of 18 ether of alcohol and deionized water, the particle diameter starched in vain is 4um.
Preparation method is similar to Example 1.
Difference with embodiment 2 is, is urethane resin by aqueous polyurethane resin replacement.
Comparative example 2, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of water-based acrylic resin, white 15 parts of slurry, 0.8 part of carbodiimides, poly- two
0.5 part of 0.4 part of methylsiloxane, 3 parts of tripropylene glycol ether and Coapur XS71；
The white slurry is made up of following components and its parts by weight：
77.4 parts of titanium dioxide, 2 parts of acrylic acid maleic acid, 0.6 part of the etherate of poly glycol monomethyl ether, poly- second two
18 parts of 2 parts of 18 ether of alcohol and deionized water, the particle diameter starched in vain is 4um.
Preparation method is similar to Example 1.
Difference with embodiment 2 is that the crosslinking agent is carbodiimides.
Comparative example 3, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of water-based acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, poly dimethyl
0.5 part of 0.4 part of siloxanes, 3 parts of tripropylene glycol ether and Coapur XS71；The crosslinking agent is by carbodiimides and trihydroxy methyl
Propane triacrylate is by weight 1:1 composition；
The white slurry is made up of following components and its parts by weight：
77.4 parts of titanium dioxide, 2 parts of acrylic acid maleic acid, 0.6 part of the etherate of poly glycol monomethyl ether, poly- second two
18 parts of 2 parts of 18 ether of alcohol and deionized water, the particle diameter starched in vain is 4um.
Preparation method is similar to Example 1.
Difference with embodiment 2 is that the crosslinking agent is pressed by carbodiimides and trimethylolpropane trimethacrylate
Weight is than 1:1 composition.
Comparative example 4, a kind of water-soluble ink for screen printing
The water-soluble ink for screen printing is made up of following component and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of water-based acrylic resin, 11.61 parts of titanium dioxide, acrylic acid maleic acid are total to
0.3 part of polymers, 0.09 part of the etherate of poly glycol monomethyl ether, 0.3 part of 18 ether of polyethylene glycol, 2.7 parts of deionized water, crosslinking
0.5 part of 0.8 part of agent, 0.4 part of dimethyl silicone polymer, 3 parts of tripropylene glycol ether and Coapur XS71；The crosslinking agent is by being carbonized
Diimine and trimethylolpropane trimethacrylate are by weight 5:2 compositions.
Preparation method is similar to Example 1.
Difference with embodiment 2 is, titanium dioxide is not made into white slurry, is directly added into.
Test example one, the experiment of the performance detection of water-soluble ink for screen printing paint film
1st, test material：Embodiment 1, embodiment 2, embodiment 3, comparative example 1, comparative example 2, comparative example 3 and comparative example 4 are made
Standby water-soluble ink for screen printing.
2nd, test method：
Embodiment 1, embodiment 2, embodiment 3, comparative example 1, comparative example 2, comparative example 3 and comparative example 4 are prepared into water solubility
Ink for screen printing is prepared into paint film according to spraying process, outward appearance, VOC (VOC) to paint film, transparency, gloss
Degree, adhesive force, tinting strength, tinting power, pliability and richness are measured.
Wherein：VOC (VOC) is measured with reference to GB/T23986-2009 method；Glossiness uses
The angle type vancometers of MN268 tri- are detected, and crevice projection angle is 60 °；Adhesive force is detected using cross-hatching；Tinting strength, tinting power is joined
The method for examining GB/T14624.2-2008 is detected, and test condition temperature is 25 ± 1 DEG C, and relative humidity is 65 ± 5%, coloring
The calculation formula of power percentage is S=B/A × 100%, wherein：S is tinting strength, tinting power percentage, and A is that standard specimen waters down chalk dosage, B
Chalk dosage is watered down for sample；Pliability is detected with reference to GB/T1731-93 method；Transparency and richness use expert
The mode of evaluation is detected, and evaluation method is：5 is very good；4 is preferable；3 is good；2 is general；1 is poor；0 is very poor, if slightly above
4, it is masked as 4+；Slightly below 4, it is masked as 4-。
3rd, result of the test：
Result of the test is as shown in table 1.
The performance detection experiment of 1 water-soluble ink for screen printing of table
As shown in Table 1, there is the volatility of paint film made from the water-soluble ink for screen printing prepared using 1-3 of the embodiment of the present invention
Machine compound (VOC) content is less than 52g/L, and outward appearance is smooth, no particle, bubble, grows dim and vestige of constructing, transparency, glossiness
It is good with richness, and its adhesive force is 5B, tinctorial yield 100%, and pliability (diameter) is less than 0.93, wherein using embodiment
Paint film property made from the 2 water-soluble ink for screen printing prepared is optimal, is most preferred embodiment.And the water prepared using comparative example 1-4
The outward appearance of paint film, transparency, glossiness, adhesive force, tinctorial yield, pliability and richness made from dissolubility ink for screen printing are than this
Paint film prepared by inventive embodiments 1-3 is poor, illustrates that the formula collocation of water-soluble ink for screen printing provided by the invention is reasonable, science,
Each component is mutually coordinated can effectively to improve glossiness, adhesive force, tinting strength, tinting power and the pliability of water-based ink etc.
Performance.
The corrosion-resistant testing experiment of test example two, water-soluble ink for screen printing paint film
1st, test material：Embodiment 1, embodiment 2, embodiment 3, comparative example 1, comparative example 2, comparative example 3 and comparative example 4 are made
Standby water-soluble ink for screen printing.
2nd, test method：
Embodiment 1, embodiment 2, embodiment 3, comparative example 1, comparative example 2, comparative example 3 and comparative example 4 are prepared into water solubility
Ink for screen printing is prepared into paint film according to spraying process, and carrying out absorption of perspiration, resistance to saliva property, alcohol resistance and humidity resistance to paint film is carried out
Measure, wherein sweat proof and resistance to saliva property are measured with reference to DIN 64LFGB.B 82.10-1 method, alcohol resistance ginseng
The method for examining GB/T13217.7-2009 is measured, and is wiped using 50% alcohol, and humidity resistance refers to GB/T1740-
2007 method is measured.
3rd, result of the test：
Result of the test is as shown in table 2.
The corrosion-resistant testing experiment of the water-soluble ink for screen printing paint film of table 2
As shown in Table 2, paint film made from the water-soluble ink for screen printing paint film prepared using 1-3 of the embodiment of the present invention have compared with
Good absorption of perspiration, resistance to saliva property, alcohol resistance and humidity resistance, it can effectively extend the service life of Packaging Printing Product,
And the absorption of perspiration of paint film made from the water-soluble ink for screen printing paint film prepared using comparative example 1-4, resistance to saliva property, alcohol resistance and
Humidity resistance is poor, illustrates that the formula collocation of water-soluble ink for screen printing provided by the invention is reasonable, science, respectively forms mutually coordinated
Act to improve the absorption of perspiration and corrosion resistance of water-soluble ink for screen printing coating.
The soluble heavy metal experiment of test example three, water-soluble ink for screen printing paint film
1st, test material：Water-soluble ink for screen printing prepared by embodiment 1, embodiment 2 and embodiment 3.
2nd, test method：
Water-soluble ink for screen printing prepared by embodiment 1, embodiment 2 and embodiment 3 is prepared into paint film according to spraying process, it is right
Paint film carries out soluble heavy metal content and is measured, wherein, the measure of soluble heavy metal content refers to EN71-3 (2009/
48/EC toys new command) method be measured, result is represented with the grams of contained soluble metal in every kilogram of paint film,
Wherein ND represents not detect.
3rd, result of the test：
Result of the test is as shown in table 3.
The water-soluble ink for screen printing paint film soluble heavy metal test data of table 3
As shown in Table 3, water-soluble ink for screen printing soluble heavy metal content provided by the invention is low, meets wanting for correlation
Ask, be a kind of health, the water-soluble ink for screen printing of environmental protection.
Claims (9)
1. a kind of water-soluble ink for screen printing, it is characterised in that be made up of following components and its parts by weight：
Aqueous polyurethane resin 45-65 parts, water-based acrylic resin 14.1-35.6 parts, white slurry 12-18 parts, crosslinking agent 0.5-2
Part, levelling agent 0.3-0.6 parts, tripropylene glycol ether 1-3 parts and thickener 0.2-0.8 parts；
The white slurry includes following components and its parts by weight：
Titanium dioxide 70-80 parts, dispersant 1-4 parts, wetting agent 0.2-0.8 parts, defoamer 1-4 parts and deionized water 15-20 parts, institute
The particle diameter for stating white slurry is 3-4um；
The crosslinking agent is by carbodiimides and trimethylolpropane trimethacrylate by weight (4~6):(1~3) form.
2. water-soluble ink for screen printing as claimed in claim 1, it is characterised in that be made up of following components and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of water-based acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, 0.4 part of levelling agent,
0.5 part of 2 parts of tripropylene glycol ether and thickener.
3. water-soluble ink for screen printing as claimed in claim 1, it is characterised in that the white slurry includes following components and its weight
Number：
18 parts of 77.4 parts of titanium dioxide, 2 parts of dispersant, 0.6 part of wetting agent, 2 parts of defoamer and deionized water, the particle diameter starched in vain
For 3-4um.
4. water-soluble ink for screen printing as claimed in claim 1, it is characterised in that the crosslinking agent is by carbodiimides and three hydroxyls
Propane tri is by weight 5:2 compositions.
5. water-soluble ink for screen printing as claimed in claim 1 or 2, it is characterised in that the levelling agent is polydimethylsiloxanes
Alkane；The thickener is Coapur XS71.
6. the water-soluble ink for screen printing as described in claim 1 or 3, it is characterised in that the dispersant is acrylic acid maleic acid
Copolymer.
7. the water-soluble ink for screen printing as described in claim 1 or 3, it is characterised in that the wetting agent is polyethyleneglycol first
The etherate of ether.
8. the water-soluble ink for screen printing as described in claim 1 or 3, it is characterised in that the defoamer is polyethylene glycol 18
Ether.
9. the preparation method of a kind of water-soluble ink for screen printing as described in claim 1-8 is any, it is characterised in that including following
Step：
The preparation that S1 is starched in vain：Dispersant, wetting agent, defoamer and titanium dioxide are added in deionized water, stirs, must mix
Liquid, mixed liquor is added into three-roll grinder, the particle diameter for being ground to mixed liquor is 3-4um, obtains white slurry；
S2 mixes aqueous polyurethane resin, water-based acrylic resin, crosslinking agent, levelling agent, tripropylene glycol ether and thickener, adds
Stirred under conditions of hot to 40-45 DEG C, obtain mixed liquor I；
The white slurry that step S1 is obtained is well mixed by S3 with the obtained mixed liquor Is of step S2, is produced.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108219578A (en) * | 2018-03-28 | 2018-06-29 | 昆山大世界油墨涂料有限公司 | A kind of inflatable toy halftone aqueous ink |
| CN108864810A (en) * | 2018-07-27 | 2018-11-23 | 中山市摩尔佳包装材料有限公司 | A kind of hidden magnetic card water-soluble silk screen ink and preparation method thereof |
| CN110003715B (en) * | 2019-03-27 | 2021-08-10 | 山东华诺日化有限公司 | Alcohol-soluble ink for printing plastic woven bags and preparation method thereof |
| CN112852216B (en) * | 2019-11-27 | 2022-09-02 | 中钞特种防伪科技有限公司 | Composition for preparing water-based anticorrosive ink, preparation method and application of water-based anticorrosive ink and demetalization method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177918A (en) * | 2014-08-07 | 2014-12-03 | 深圳市顾康力化工有限公司 | Antibacterial mildewproof ink and preparation method thereof |
| CN104327598A (en) * | 2014-10-17 | 2015-02-04 | 东莞市锐鹰陶瓷玻璃原料有限公司 | Baked-type water-based environmentally-friendly printing ink |
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2016
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177918A (en) * | 2014-08-07 | 2014-12-03 | 深圳市顾康力化工有限公司 | Antibacterial mildewproof ink and preparation method thereof |
| CN104327598A (en) * | 2014-10-17 | 2015-02-04 | 东莞市锐鹰陶瓷玻璃原料有限公司 | Baked-type water-based environmentally-friendly printing ink |
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