CN106752338A - 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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- CN106752338A CN106752338A CN201611104798.XA CN201611104798A CN106752338A CN 106752338 A CN106752338 A CN 106752338A CN 201611104798 A CN201611104798 A CN 201611104798A CN 106752338 A CN106752338 A CN 106752338A
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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.The water-soluble ink for screen printing that the present invention is provided mainly is made up of waterborne polyurethane resin, aqueous 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 of the white slurry is 3 4um.The present invention provide water-soluble ink for screen printing 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 for 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 the fine chemical product of transmission information and decoration cultural world, and ink for screen printing refers to and uses silk-screen printing
All of ink during mode.With the development of the flourishing of national economy, culture and education and printing industry, ink industry and printer
The rapid development that industry is also obtained.In recent years, for environmental protection, many countries increased many in terms of packages printing and defend
Requirement and restriction condition in terms of raw, environmental protection, especially to packaging for foodstuff printing aspect.Largely may be used because solvent-based ink contains
Volatility toxic solvent, water-based ink starts the use for gradually replacing it in terms of packing business.
Binder is the key component of water-based ink, influence ink tinting strength, tinting power and tack, 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 demand of production.
Then, people start to be applied to the copolymer of acrylate monomer and styrene 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 it is main by aqueous styrene acrylic resin, levelling agent, coupling agent, emulsifying agent, defoamer,
Nertralizer and water are constituted, and the aqueous styrene acrylic resin is water-based acrylic resin liquid.The water-soluble silk screen for preparing
Ink has good tack on printing cigarette, the stock such as Wine packaging, and picture and text are clear, the advantages of do not after-tack, do not get damp.Though
The water resistance of the right aqueous styrene acrylic resin is greatly improved, but still reaches to the requirement less than application.
Wang Haiqiao etc. has delivered the paper of entitled " silane coupler modified acrylic emulsion used for water color ink ", should
Paper is disclosed the silane coupling A -174 containing double bond and acrylate monomer copolymerization, and having synthesized one kind can apply and modeling
Acrylic emulsion used for water color ink on material film substrate, and it can also improve the water resistance of polymer, acquirement compared with
Good effect.But, the tinctorial property of the acrylic emulsion used for water color ink is poor, greatly have impact on the matter of water-based ink
Amount.
Cai Dongyu etc. has delivered entitled " the plastic rotogravure water with polyurethane-polyacrylate emulsion as binder
The paper of the development of property ink ", the paper prepares polyurethane-polyacrylate composite emulsion using emulsion copolymerization method, and with phthalein
Cyanines are blue not only to have excellent attachment fastness for pigment is configured with plastic gravure waterborne ink to PET film, same to OPP film
Sample has good attachment fastness and has good water resistance.But, should be connection with polyurethane-polyacrylate emulsion
The tinctorial property of the plastic gravure waterborne ink of material is poor, greatly have impact on the quality of water-based ink.
Therefore, a kind of coloring of research and development 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 the low coloring that ink for screen printing is present in the prior art, poor adhesive force, water resistance and wearability poor
Defect.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：
45-65 parts of aqueous polyurethane resin, aqueous 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, 1-3 parts and thickener 0.2-0.8 parts of tripropylene glycol ether；
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 of the white slurry 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 aqueous acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, levelling agent 0.4
0.5 part of 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, the white slurry
Particle diameter is 3-4um.
Further, the crosslinking agent by carbodiimides and trimethylolpropane trimethacrylate by weight (4~
6):(1~3) constitute.
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, comprising the following steps：
The preparation that S1 is starched in vain：Dispersant, wetting agent, defoamer and titanium dioxide are added into deionized water, is stirred, obtain mixed
Liquid is closed, mixed liquor is added into three-roll grinder, be ground to the particle diameter of mixed liquor for 3-4um, obtain white slurry；
S2 mixes aqueous polyurethane resin, aqueous acrylic resin, crosslinking agent, levelling agent, tripropylene glycol ether and thickener,
Stirred under conditions of being heated to 40-45 DEG C, obtain mixed liquor I；
Be well mixed for the mixed liquor I that the white slurry that step S1 is obtained is obtained with step S2 by S3, obtains final product.
Aqueous polyurethane resin in the water-soluble ink for screen printing that the present invention is provided is a kind of with wet film ability to cure
Resin, its molecular formula is (C9H6N2O2.C6H14O3) x, No. CAS is 9017-09-8；Aqueous acrylic resin is purchased from Lubrzol companies,
Article No. is CR726；No. CAS of carbodiimides is 25952-53-8；No. CAS of acrylic acid maleic acid is 29132-
58-9；No. CAS of the etherate of poly glycol monomethyl ether is 117272-76-1；No. CAS of dimethyl silicone polymer is 9006-
65-9；No. CAS of the ether of polyethylene glycol 18 is 9005-00-09.Coapur XS71 thickeners are purchased from Guangzhou Gao Tai chemical industry section
Skill Co., Ltd, brand is France Gao Tai.
The friendship being made up of by certain weight ratio carbodiimides and trimethylolpropane trimethacrylate that the present invention is provided
Connection agent, can effectively solve the low defect of the poor compatibility and tinting strength, tinting power of aqueous polyurethane resin and aqueous acrylic resin,
The stability and tinting strength, tinting power of water-based ink can be effectively improved, while the property of water-based ink can also be improved effectively
Energy.Found through experiment, the glossiness of the paint film that the water-soluble ink for screen printing that the present invention is provided is made according to spraying process is more than 65GS,
Adhesive force is 5B, and tinctorial yield is 100%, pliability (diameter) be less than 0.93mm, illustrate the present invention provide by carbodiimides
With trimethylolpropane trimethacrylate water-based ink paint film can be effectively improved by the crosslinking agent that certain weight ratio is constituted
Adhesive force, tinting strength, tinting power, glossiness and pliability, be a kind of ideal water-soluble ink for screen printing.
Further, levelling agent, tripropylene glycol ether and the thickener that the present invention is provided can make water-soluble ink for screen printing
Surface tension tends to balance, and promotes the flowing of solution.Meanwhile, inventor is had found through experiment, and titanium dioxide first is made into particle diameter for 3-
The white slurry of 4um is added in printing ink paint, will not destroy the structure of resin in printing ink paint, and each of water-soluble ink for screen printing is not influenceed
Item performance, can also increase the wearability and exterior quality of water-soluble ink for screen printing, improve the quality of water-soluble ink for screen printing, and
Titanium dioxide is made in white slurry addition printing ink paint of the particle diameter more than 4um or less than 3um, or titanium dioxide is directly added into ink
In coating, wearability, glossiness and the richness of ink can be influenceed, have a strong impact on the performance of water-soluble ink for screen printing.
The present invention provide water-soluble ink for screen printing formula collocation rationally, science, each component collaboration enhancing water-based ink
Adhesive force, water resistance, tinting strength, tinting power, pliability and the good advantage of pick resistance, print above-mentioned water-soluble ink for screen printing cigarette,
There is the transparent light in surface on the strict Packaging Printing Product of the sanitary conditions such as wine, food, beverage, medicine, toy for children requirement,
Glossy, coloring is good, the effect that long-term use is not faded, do not fallen off, and the paint film obtained in 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, the water-soluble ink for screen printing that the present invention is provided has the advantage that：
(1) the water-soluble ink for screen printing that the present invention is provided has adhesive force high, 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 the water-soluble ink for screen printing that the present invention is provided is prepared has good pliability, water resistance and anti-corruption
The strong advantage of corrosion energy；
(3) the water-soluble ink for screen printing that the present invention is provided is applied to have the transparent light in surface, richness on print product
High, glossy, the effect 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.
Specific embodiment：
Below by way of the description of specific embodiment, the invention will be further described, but this is not to limit of the invention
System, those skilled in the art's basic thought of the invention, various modifications may be made or improves, 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 aqueous acrylic resin, white 12 parts of slurry, 0.5 part of crosslinking agent, poly dimethyl silicon
0.3 part of oxygen alkane, 1 part and Coapur XS710.2 parts of tripropylene glycol ether；The crosslinking agent is by carbodiimides and trihydroxy methyl third
Alkane 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 the etherate of poly glycol monomethyl ether, polyethylene glycol
15 parts of 18 1 part of ethers and deionized water, the particle diameter of the white slurry is 3um.
Preparation method：
The preparation that S1 is starched in vain：By the acrylic acid maleic acid in above-mentioned formula, the etherate of poly glycol monomethyl ether,
The ether of polyethylene glycol 18 and titanium dioxide add deionized water, stir, and obtain mixed liquor, and mixed liquor is added into three-roll grinder,
The particle diameter of mixed liquor is ground to for 3um, white slurry is obtained；
S2 is by the aqueous polyurethane resin in above-mentioned formula, aqueous acrylic resin, by carbodiimides and trihydroxy methyl third
Alkane triacrylate is by weight 6:1 crosslinking agent for constituting, dimethyl silicone polymer levelling agent, tripropylene glycol ether and Coapur
XS71 mixes, and is stirred under conditions of being heated to 42 DEG C, obtains mixed liquor I；
Be well mixed for the mixed liquor I that the white slurry that step S1 is obtained is obtained with step S2 by S3, obtains final product.
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 aqueous acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, poly dimethyl silicon
0.4 part of oxygen alkane, 3 parts and Coapur XS710.5 parts of tripropylene glycol ether；The crosslinking agent is by carbodiimides and trihydroxy methyl third
Alkane 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 of the white slurry 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 aqueous acrylic resin, white 18 parts of slurry, 2 parts of crosslinking agent, dimethyl silicone polymer
0.6 part, 3 parts and Coapur XS710.8 parts of tripropylene glycol ether；The crosslinking agent is by carbodiimides and trimethylolpropane tris
Acrylate 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 the etherate of poly glycol monomethyl ether, polyethylene glycol
20 parts of 18 4 parts of ethers and deionized water, the particle diameter of the white slurry 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 aqueous acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, poly dimethyl
0.4 part of siloxanes, 3 parts and Coapur XS710.5 parts of tripropylene glycol ether；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 of the white slurry 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 aqueous acrylic resin, white 15 parts of slurry, 0.8 part of carbodiimides, poly- diformazan
0.4 part of radical siloxane, 3 parts and Coapur XS710.5 parts of tripropylene glycol ether；
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 of the white slurry 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 aqueous acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, poly dimethyl silicon
0.4 part of oxygen alkane, 3 parts and Coapur XS710.5 parts of tripropylene glycol ether；The crosslinking agent is by carbodiimides and trihydroxy methyl third
Alkane 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 of the white slurry 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 compares 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 aqueous acrylic resin, 11.61 parts of titanium dioxide, acrylic acid are maleic acid copolymerized
0.3 part of thing, 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 agent
0.8 part, 0.4 part of dimethyl silicone polymer, 3 parts and Coapur XS710.5 parts of tripropylene glycol ether；The crosslinking agent is by carbonization two
Imines and trimethylolpropane trimethacrylate are by weight 5:2 compositions.
Preparation method is similar to Example 1.
Difference with embodiment 2 is that titanium dioxide is not made into white slurry, is directly added into.
The performance detection experiment of test example one, 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 solubility 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 the method for GB/T23986-2009；Glossiness is used
The angle type vancometers of MN268 tri- are detected that 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 that test condition temperature is 25 ± 1 DEG C, and relative humidity is 65 ± 5%, coloring
The computing formula of power percentage is S=B/A × 100%, wherein：S is tinting strength, tinting power percentage, and A waters down chalk consumption, B for standard specimen
For sample waters down chalk consumption；Pliability is detected with reference to the method for GB/T1731-93；Transparency and richness use expert
The mode of evaluation is detected that 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 the water-soluble ink for screen printing of table 1
As shown in Table 1, there be the volatility of paint film obtained in the water-soluble ink for screen printing for being prepared using embodiment of the present invention 1-3
Machine compound (VOC) content is less than 52g/L, and outward appearance is smoothed, without particle, bubble, grown dim and vestige of constructing, transparency, glossiness
It is good with richness, and its adhesive force be 5B, tinctorial yield be 100%, pliability (diameter) be less than 0.93, wherein using embodiment
Paint film property obtained in the 2 water-soluble ink for screen printing for preparing 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 obtained in dissolubility ink for screen printing are than this
Paint film prepared by inventive embodiments 1-3 is poor, illustrates that the formula collocation of the water-soluble ink for screen printing of present invention offer is reasonable, science,
Each component is mutually coordinated can effectively to improve the aspects such as glossiness, adhesive force, tinting strength, tinting power and the pliability of water-based ink
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 solubility 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 absorption of perspiration, resistance to saliva property, alcohol resistance and humidity resistance are carried out to paint film to be carried out
Determine, wherein sweat proof and resistance to saliva property are measured with reference to the method for DIN 64LFGB.B 82.10-1, 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 obtained in the water-soluble ink for screen printing paint film for being prepared using embodiment of the present invention 1-3 have compared with
Absorption of perspiration well, resistance to saliva property, alcohol resistance and humidity resistance, can effectively extend the service life of Packaging Printing Product,
And the absorption of perspiration of paint film obtained in 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 the water-soluble ink for screen printing of present invention offer is reasonable, science, respectively constitutes mutually coordinated
Play the absorption of perspiration and corrosion resistance of the water-soluble ink for screen printing coating of raising.
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 is represented and not detected.
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, the water-soluble ink for screen printing soluble heavy metal content that the present invention is provided is low, meets wanting for correlation
Ask, be a kind of health, the water-soluble ink for screen printing of environmental protection.
Claims (10)
1. a kind of water-soluble ink for screen printing, it is characterised in that including following component and its parts by weight：
45-65 parts of aqueous polyurethane resin, aqueous acrylic resin 14.1-35.6 parts, white 12-18 parts of slurry, crosslinking agent 0.5-2 parts,
Levelling agent 0.3-0.6 parts, 1-3 parts and thickener 0.2-0.8 parts of tripropylene glycol ether；
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.
2. water solubility ink for screen printing as claimed in claim 1, it is characterised in that including following component and its parts by weight：
50 parts of aqueous polyurethane resin, 30.3 parts of aqueous acrylic resin, white 15 parts of slurry, 0.8 part of crosslinking agent, 0.4 part of levelling agent, three
0.5 part of 2 parts of propylene glycol and thickener.
3. water solubility 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 grain of the white slurry
Footpath is 3-4um.
4. water solubility ink for screen printing as claimed in claim 1 or 2, it is characterised in that the crosslinking agent by carbodiimides and
Trimethylolpropane trimethacrylate is by weight (4~6):(1~3) constitute.
5. water solubility ink for screen printing as claimed in claim 4, it is characterised in that the crosslinking agent is by carbodiimides and three hydroxyls
Propane tri is by weight 5:2 compositions.
6. water solubility 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.
7. 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.
8. 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.
9. 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.
10. the preparation method of a kind of water-soluble ink for screen printing as described in claim 1-9 is any, it is characterised in that including with
Lower step：
The preparation that S1 is starched in vain：By in dispersant, wetting agent, defoamer and titanium dioxide addition deionized water, stir, must mix
Liquid, three-roll grinder is added by mixed liquor, is ground to the particle diameter of mixed liquor for 3-4um, obtains white slurry；
S2 mixes aqueous polyurethane resin, aqueous acrylic resin, crosslinking agent, levelling agent, tripropylene glycol ether and thickener, heating
Stirred under conditions of to 40-45 DEG C, obtain mixed liquor I；
Be well mixed for the mixed liquor I that the white slurry that step S1 is obtained is obtained with step S2 by S3, obtains final product.
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Cited By (4)
| 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 |
| CN110003715A (en) * | 2019-03-27 | 2019-07-12 | 临沂青松油墨厂 | A kind of Polywoven Bag printing alcohol-soluble ink and preparation method thereof |
| CN112852216A (en) * | 2019-11-27 | 2021-05-28 | 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 |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110003715A (en) * | 2019-03-27 | 2019-07-12 | 临沂青松油墨厂 | A kind of Polywoven Bag printing alcohol-soluble 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 |
| CN112852216A (en) * | 2019-11-27 | 2021-05-28 | 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 |
| 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 |
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|---|---|
| CN106752338B (en) | 2017-12-29 |
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