CN108624125A - A kind of environment-friendly water-based bi-component nylon ink for screen printing and its application method - Google Patents
A kind of environment-friendly water-based bi-component nylon ink for screen printing and its application method Download PDFInfo
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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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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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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Abstract
The invention discloses a kind of environment-friendly water-based bi-component nylon ink for screen printing, the ink for screen printing is made of two kinds of components of A, B, and wherein the raw material of component A is modified aqueous acrylic acid lotion, modified aqueous polyurethane emulsion, aqueous titanium dioxide, talcum powder, dispersant, thickening thixotropic agent, ethyl alcohol, deionized water, colorant, auxiliary agent.Component B is disperseed to be made by aziridine hardener and deionized water through high-speed stirred.The present invention also provides a kind of application method of the ink for screen printing, after mixing by component A and component B, silk-screen printing, baking-curing or from solidization.Ink strong adhesive force, water and wear resistance on leather, cloth is good, fugitive color does not change colour；With good recoatability, printing can be recoated after dry solidification repeatedly；There is good intermiscibility with water, can directly wash with water printing screen plate.Ink for screen printing Environmental Safety in the present invention, nontoxic, non-ignitable not quick-fried, simple production process is easy to operate, at low cost.
Description
Technical field
The invention belongs to technical field of ink, and in particular to a kind of environment-friendly water-based bi-component nylon ink for screen printing and its use
Method.
Background technology
Traditional solvent-based ink would generally select the organic solvents such as toluene, dimethylbenzene, ether as decentralized medium, although molten
Based ink has a good adaptability to construction environment in use, but solvent-based ink VOC in use
Discharge capacity is higher, has larger harm to environment and construction personnel.With the raising of environmental requirement, traditional solvent-based ink
It is greatly limited in use.Water-based ink is by aqueous high molecular lotion, organic pigment, resin, surfactant
And associated additives through chemical process and prepared by physical mixed water-based print ink, since it is to replace traditional oils with water
The toxic organic solvents that 30%-70% is accounted in ink make no longer to contain volatile organic solvent in ink, therefore right in printing process
The health of worker has no adverse effects, also pollution-free to atmospheric environment, also eliminates the inflammable and explosive hidden danger in workplace, improves
Safety.Meanwhile in contrast, the use cost of water-based ink about saves 30% left side than the use cost of solvent-based ink
It is right.This particular advantages of water-based ink meet increasingly strict environmental regulation, are increasingly printed in the world by packaging
The favor on boundary is brushed, and is gradually extended rapidly to the other field of printing industry.
There are the abrasivenesses poor, poor adhesive force of water-based ink used in production at present is upper, ink store that unstable, shrinkage cavity is easy
It wrinkles, the defect of water-fast, scratch resistance, color fastness are poor etc., it is entitled that application No. is 201710426068.X《A kind of low temperature is quick
Curable water-borne ink and preparation method thereof》Chinese invention patent, with water-base resin, pigment, auxiliary agent, filler, water, dispersant,
Metallic-ion crosslinking agent is raw material, is stirred at 50-70 DEG C and obtains required water-based ink, which has preparation process letter
Single, easy for construction, the advantages of hardening time is short, environment friendly and pollution-free, no color differnece, but the ink abrasion resistance can be poor.Application number
It is entitled for 201610748885.2《A kind of preparation method of water-based ink》Chinese invention patent, it is multiple with diatomite/antibacterial
Close object, styrene-acrylic emulsion, ethylene-vinyl acetate copolymer emulsion, diatomite/porous carbohydrate, deionized water, alcohol ester-12,
PE water-borne wax, varnish, aqueous levelling agent, aqueous defoamer, nonionic surfactant are raw material, and the ink prepared has
Excellent antibacterial, the effect for purifying air, have widened the application range of ink, but the ink is asked there are covering power is not good enough
Topic.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of environment-friendly water-based bi-component nylon yarn stamp-pad ink
Ink, the ink for screen printing are made of two kinds of components of A, B, and wherein the raw material of component A is modified aqueous acrylic acid lotion, modified water-soluble gathers
Urethane lotion, aqueous titanium dioxide, talcum powder, dispersant, thickening thixotropic agent, ethyl alcohol, deionized water, colorant, auxiliary agent, each raw material
It is ground after high-speed stirred is disperseed, component A is made.It is with modified aqueous acrylic acid lotion, modified aqueous polyurethane emulsion
Component A processing performances prepared by primary raw material are good, and preparation process is environment-protecting and non-poisonous and preparation method is simple, by adding colorant,
It can prepare the ink for screen printing of different colours, colour stable, not fugitive color, not easy to change.Component B by aziridine hardener and
Deionized water disperses to be made through high-speed stirred.Aziridine hardener can be miscible with deionized water, and curing performance is good, can heat
Baking-curing at normal temperatures from solidization, can also can significantly improve the water resistance of ink for screen printing coating, chemical resistance, resistance to
Mill property, color fastness improve the adhesive force of ink for screen printing coating and substrate surface.The present invention also provides a kind of ink for screen printing
Application method, be in mass ratio by the component A and the component B (8-15):1 after mixing, stands 10-15min, so
500-700 mesh silk-screen printings are used afterwards, after silk-screen printing, 15-20min curing moldings are toasted at 50-100 DEG C, or normal
Temperature is lower to stand 20-26h natural drying curing moldings.The ink silk screen printing is strong adhesive force after solidification, water-fast on leather, cloth
Property good, excellent wear-resisting property, can according to design requirement select different colorant proportioning, print out color it is various appearance effect
Fruit, and good color fastness, not fugitive color, not easy to change.Ink for screen printing has good recoatability in the present invention, can after dry solidification
Recoating printing repeatedly, and the ink has good intermiscibility with water, can directly wash with water printing screen plate.Silk in the present invention
Printing ink Environmental Safety, nontoxic, non-ignitable not quick-fried, VOC free component generates, and simple production process is easy to operate, at low cost.
Institute of the invention technique effect to be achieved is realized by following scheme：
The present invention provides a kind of environment-friendly water-based bi-component nylon ink for screen printing, including component A and component B；
Wherein the raw material of component A is with mass percent：Modified aqueous acrylic acid lotion 10%-20%, modified aqueous polyurethane breast
Liquid 30%-40%, aqueous titanium dioxide 25%-35%, talcum powder 5%-15%, dispersant 1%-8% thicken thixotropic agent 0.5%-5%, ethyl alcohol
3%-12%, deionized water 10%-20%, colorant 0%-10%, auxiliary agent 2%-6%；
The raw material of component B is with mass percent：Aziridine hardener 45%-60%, deionized water 40%-55%；
The auxiliary agent includes amine neutralizer, wetting agent, drier, levelling agent, antifoaming agent；
The preparation method of the modified aqueous acrylic acid lotion：By mass percent be respectively 50%-65% acrylic resin,
The gloss oil of 20%-30%, the fluororesin of 8%-18%, 3%-10% dibasic ester be added blender in, control mixing speed be 400-
Mixing speed after stirring 1-1.5h at 25-35 DEG C, is adjusted to 1200-1500r/min, deionized water is added by 500r/min,
It stirs evenly, the modified aqueous acrylic acid lotion is made, the deionized water is (5-10) with acrylic resin mass ratio:1；
The preparation method of the modified aqueous polyurethane emulsion：It is respectively polyurethane, the 20%- of 50%-60% by mass percent
Microwave radiation reaction of the coupling agent addition of 30% organic siliconresin, the hydrophilic agent of 10%-20%, 5%-15% equipped with agitating device
In device, control mixing speed is 200-350r/min, and 60-100min is reacted at 80-90 DEG C, and mass percent is then added and is
The acid regulator of 3%-8%, continues after being stirred to react 30-50min, is cooled to 25-35 DEG C, and mixing speed is adjusted to 1200-
1500r/min is added deionized water, stirs evenly, and the modified aqueous polyurethane emulsion, the deionized water and poly- ammonia is made
The mass ratio of ester is (5-10):1；
The bi-component nylon ink for screen printing is grouped as by two kinds of groups of A, B.Component A is by modified aqueous acrylic acid lotion, modified water
Property polyaminoester emulsion, aqueous titanium dioxide, talcum powder, dispersant, thickening thixotropic agent, ethyl alcohol, deionized water, colorant, auxiliary agent, respectively
Raw material is ground obtained after high-speed stirred is disperseed.Modified aqueous acrylic acid lotion, modified aqueous polyurethane emulsion are with water
Solvent, it is pollution-free, safe and reliable, have the characteristics that processing performance is excellent, compatibility is good, easily modified.Titanium white powder density is smaller,
Large specific surface area, heat resistance are good, can reduce the global density of ink, improve the uniformity and thermal stability of ink.It is sliding
Mountain flour is sprawled uniformly, and slip is good, has certain gloss, has the effect of soft smooth, can promote the phase of raw material components
Capacitive improves the appearance of ink coating.Dispersant can reduce the aggregation of solid or liquid particle in dispersion, intramolecular
There is the interfacial agents of two kinds of opposite natures of lipophile and hydrophily simultaneously, can uniform dispersion hardly possible be dissolved in organic solution
The solid particles such as toner form the solid-liquid dispersing system that particle is uniformly dispersed, property is stablized.Thickening thixotropic agent can prevent particle
Sedimentation and cohesion, improve the stability of the uniformity and property of the ingredient of solid-liquid dispersing system.According to design requirement or use need
It asks, selects suitable colorant, can prepare that color is various, bright ink for screen printing, the use of matching component B so that
Ink coating after solidification can keep excellent coloration, not fugitive color, not easy to change.A certain amount of ethyl alcohol, which is added, can improve liquid
The dissolubility of phase promotes being mutually dissolved for solid liquid phase, also can be being more uniformly distributed of merging between liquid component.The addition of auxiliary agent is then
Further improve the performance of ink for screen printing, wherein amine neutralizer is a kind of efficient neutralizer, the soda acid of energy regulation system
Degree, stability.Wetability can promote the wetting between organic phase and inorganic solid particles, reduce the surface of solid particles surface
Tension enhances the compatibility of the two, improves the stability of solid-liquid system.The addition of drier is conducive to improve the curability of ink
Can, make ink after screen printing, ink coating can spontaneously dry solidification at normal temperatures, or be toasted by lower temperature
It realizes the curing molding of coating, reduces the energy needed for solidification, shorten the time needed for solidification.Levelling agent can promote ink to exist
A smooth, smooth, uniform coating is formed during dry solidification, improves the levelability and uniformity of coating, improves ink
Permeability, reduce printing process in generate spot, pin hole, slight crack possibility, enhance covering power, make coating uniform, from
So.Prepared by ink and use is in the process because mixing will produce a certain amount of foam, if foam can not be eliminated in time,
Ink coating will appear the problems such as trachoma, pin hole after curing molding, influence the performance of ink, while foam presence is unfavorable for ink
Interior each component it is evenly dispersed, the addition of antifoaming agent solves the above problem so that ink is uniformly dispersed, and coating performance is stablized excellent
It is good.
In modified aqueous acrylic acid emulsion preparation process, gloss oil surface is transparent, can improve brightness and the glossiness of ink, separately
Outer gloss oil has protective action, is conducive to the water-fast and weather resistance for improving ink.C-F keys bond energy is higher in fluororesin molecule,
Stability is good, and in ink coating solidification process, fluoroalkyl can be migrated preferentially to coating surface, and coating is made to have excellent dredge
Water, oleophobic, polluting proofing property energy.Compared to common acrylic resin, the modified aqueous acrylic acid emulsion viscosity is relatively low, is easy to apply
Work can be obviously improved the appearance, adhesive force and weather resistance of ink for screen printing as raw material.Dibasic ester is a kind of low
Malicious, low taste, the biodegradable environment protection type high-boiling-point solvent of energy, can enhance compatible between acrylic resin, gloss oil, fluororesin
Property so that modified aqueous acrylic acid lotion is more uniform.
Organic siliconresin has both that organic compatibility is good and the strong feature of inorganic weatherability, can improve modified aqueous polyurethane
Mobility and weather resistance, intramolecular silicon atom and oxygen atom alternately connect, Si-O key bond distances are longer, Si-O-Si key bond angles
It is larger so that organic siliconresin has that surface tension is low, compressibility is high, has high-low temperature resistant, resistance to oxidation, acid-alkali-corrosive-resisting, resistance to
The advantages that aqueous good.The weather resistance of prepared ink for screen printing can be obviously improved.
Component B by aziridine hardener with deionized water is miscible forms.Aziridine hardener can be miscible with deionized water, Gu
Change functional, can be cured with heated baking, can also can significantly improve ink for screen printing coating at normal temperatures from solidization
Water resistance, chemical resistance, wearability, color fastness improve the adhesive force of ink for screen printing coating and substrate surface.
Further, the dispersant is sodium lignin sulfonate, lauryl sodium sulfate, polyacrylamide, tripolyphosphate
One or more of sodium, sodium pyrophosphate, sodium metasilicate.
Further, the thickening thixotropic agent is organobentonite, aerosil, one kind in polyamide wax or several
Kind.
Further, the colorant is carbon black or iron oxide pigment.Carbon black, iron oxide pigment are widely used inorganic
Pigment, it is cheap, it is pollution-free.Carbon black is the most widely used black pigment, and iron oxide pigment includes iron oxide yellow, oxidation
Barba hispanica, iron oxide green, Brown Ferric Oxide etc., various colors, moreover it is possible to select different pigment to carry out mixing match according to design requirement
Prepare that color is various, bright pigment.
Further, amine neutralizer in the auxiliary agent, wetting agent, drier, levelling agent, antifoaming agent mass ratio be 1:
(0.8-1.2):(2.0-3.0):(0.8:1.2):(2.0-3.0)；The amine neutralizer is dimethylethanolamine, triethylamine, two
One or more of ehtylethanolamine；The wetting agent is one in sulfonated oil, soybean lecithin, polyethylene glycol oxide alkanisation ether
Kind is several；The drier is dibutyl tin laurate；The levelling agent is Lauxite or melamine resin
At least one of；The antifoaming agent is one or more of silicone emulsion, polypropylene glycerol aether, dimethyl silicone polymer.
Further, the aziridine hardener be trimethylolpropane-three [3- (2- methylaziridines base)] propionic ester,
One kind or several in trimethylolpropane-three (3- '-aziridinos) propionic ester, pentaerythrite-three (3- '-aziridinos) propionic ester
Kind.
Further, in the preparation method of the modified aqueous acrylic acid lotion, the dibasic ester is by succinic acid diformazan
Ester, dimethyl glutarate, dimethyl adipate are 1 according to mass percent:(0.8-1.2):(1.0-1.3) is mixed.This
It is matched by preferred raw material in invention, dibasic ester solubility property obtained is good, and water white transparency is non-toxic and tasteless.
Further, in the preparation method of the modified aqueous polyurethane emulsion, the hydrophilic agent be methyl diethanolamine,
Ethyldiethanolamine, N, one or more of N- dihydroxy ethyl piperazines；The coupling agent is silane coupling agent；The acid tune
Section agent is one or more of formic acid, glacial acetic acid, lactic acid, phosphoric acid.
Further, each raw material in the component A is added in blender, control mixing speed is 1200-1500r/
Min is transferred to grinding in three-roll grinder and twice, component A is made after stirring evenly；Each raw material in component B is added in blender,
Control mixing speed is 1200-1500r/min, is stirred evenly, and component B is made.
Further, it is (8-15) in mass ratio by the component A and the component B:1 after mixing, stands 10-
Then 15min uses 500-700 mesh silk-screen printings, after silk-screen printing, 15-20min curing moldings are toasted at 50-100 DEG C,
Or it stands 20-26h at normal temperatures and spontaneously dries curing molding.Solidification process is that low-temperature bake or normal temperature self-drying cure, solidification
Efficient, required energy is low, and the time is short.
The present invention has the following advantages：
1. can select different pigment ratios in the present invention according to design requirement, the nylon ink for screen printing color prepared is more
Sample, and good color fastness, not fugitive color, not easy to change.
2. nylon ink for screen printing using low-temperature bake or spontaneously dries curing molding in the present invention, curing efficiency is high, required
Energy is low, and the time is short.
3. nylon ink for screen printing adhesive force is high in the present invention, covering power is strong, water-fast, wear-resisting, solvent resistant, excellent weather resistance and hard
It is good.
4. nylon ink for screen printing has good recoatability in the present invention, printing can be recoated repeatedly after dry solidification.
5. nylon ink for screen printing has good intermiscibility with water in the present invention, printing screen plate can be directly washed with water.
6. nylon ink for screen printing Environmental Safety, nontoxic, non-ignitable not quick-fried, VOC free component generation, production in the present invention
It is simple for process easy to operate, it is at low cost.
Specific implementation mode
With reference to embodiment, the present invention will be described in detail.
1. the preparation of nylon ink for screen printing
Embodiment 1
The preparation of component A：By 13% modified aqueous acrylic acid lotion, 32% modified aqueous polyurethane emulsion, 25% aqueous titanium
White powder, 6% talcum powder, 2% lauryl sodium sulfate, 2% polyamide wax, 3% ethyl alcohol, 10% deionized water, 3% oxygen
Change iron oxide yellow, 4% auxiliary agent is added in blender, and control mixing speed is 1200r/min, and three-roll grinder is transferred to after stirring evenly
Twice, component A is made in interior grinding.
The preparation method of the modified aqueous acrylic acid lotion：By mass percent be respectively 52% acrylic resin,
28% gloss oil, 12% polytetrafluoroethylene (PTFE), 8% dibasic ester（By dimethyl succinate, dimethyl glutarate, adipic acid diformazan
Ester is 1 according to mass percent:0.8:1.1 mixing）It is added in blender, control mixing speed is 500r/min, 25
After stirring 1h at DEG C, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, the modified water-soluble is made
Acrylic emulsion, the deionized water are 8 with acrylic resin mass ratio:1.
The preparation method of the modified aqueous polyurethane emulsion：By mass percent be respectively 51% polyurethane, 25%
Organic siliconresin, 15% methyl diethanolamine, 6% KH560 are added in the microwave radiation reactor equipped with agitating device, control
Mixing speed is 200r/min, and 60min is reacted at 80 DEG C, and the glacial acetic acid that mass percent is 3% is then added, continues to stir
After reacting 30min, 25 DEG C are cooled to, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, institute is made
State modified aqueous polyurethane emulsion, the mass ratio of the deionized water and polyurethane is 10:1.
The auxiliary agent presses matter by dimethylethanolamine, sulfonated oil, dibutyl tin laurate, Lauxite, silicone emulsion
Amount is than being 1:0.8:2.5:1:3 mix.
The preparation of component B is by pentaerythrite-three (3- '-aziridinos) propionic ester and 45% that mass percent is respectively 55%
Deionized water be added in blender, control mixing speed is 1200r/min, is stirred evenly, obtained component B.
Embodiment 2
The preparation of component A：By 10% modified aqueous acrylic acid lotion, 30% modified aqueous polyurethane emulsion, 28% aqueous titanium
White powder, 5% talcum powder, 1% lauryl sodium sulfate, 2% polyamide wax, 4% ethyl alcohol, 12% deionized water, 5% charcoal
Black, 3% auxiliary agent is added in blender, and control mixing speed is 1200r/min, is transferred in three-roll grinder and grinds after stirring evenly
Twice, component A is made in mill.
The preparation method of the modified aqueous acrylic acid lotion：By mass percent be respectively 57% acrylic resin,
20% gloss oil, 15% polytetrafluoroethylene (PTFE), 8% dibasic ester（By dimethyl succinate, dimethyl glutarate, adipic acid diformazan
Ester is 1 according to mass percent:0.8:1.1 mixing）It is added in blender, control mixing speed is 500r/min, 25
After stirring 1h at DEG C, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, the modified water-soluble is made
Acrylic emulsion, the deionized water are 8 with acrylic resin mass ratio:1.
The preparation method of the modified aqueous polyurethane emulsion：By mass percent be respectively 53% polyurethane, 25%
Organic siliconresin, 12% methyl diethanolamine, 5% KH560 are added in the microwave radiation reactor equipped with agitating device, control
Mixing speed is 200r/min, and 60min is reacted at 80 DEG C, and the glacial acetic acid that mass percent is 5% is then added, continues to stir
After reacting 30min, 25 DEG C are cooled to, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, institute is made
State modified aqueous polyurethane emulsion, the mass ratio of the deionized water and polyurethane is 10:1.
The auxiliary agent presses matter by dimethylethanolamine, sulfonated oil, dibutyl tin laurate, Lauxite, silicone emulsion
Amount is than being 1:0.8:2.5:1:3 mix.
The preparation of component B is by pentaerythrite-three (3- '-aziridinos) propionic ester and 40% that mass percent is respectively 60%
Deionized water be added in blender, control mixing speed is 1200r/min, is stirred evenly, obtained component B.
Embodiment 3
The preparation of component A：By 11% modified aqueous acrylic acid lotion, 30% modified aqueous polyurethane emulsion, 25% aqueous titanium
White powder, 6% talcum powder, 2% lauryl sodium sulfate, 4% polyamide wax, 3% ethyl alcohol, 12% deionized water, 5% palm fibre
Iron oxide, 2% auxiliary agent are added in blender, and control mixing speed is 1200r/min, and three-roll grinder is transferred to after stirring evenly
Twice, component A is made in interior grinding.
The preparation method of the modified aqueous acrylic acid lotion：By mass percent be respectively 62% acrylic resin,
25% gloss oil, 8% polytetrafluoroethylene (PTFE), 5% dibasic ester（By dimethyl succinate, dimethyl glutarate, adipic acid diformazan
Ester is 1 according to mass percent:0.8:1.1 mixing）It is added in blender, control mixing speed is 500r/min, 25
After stirring 1h at DEG C, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, the modified water-soluble is made
Acrylic emulsion, the deionized water are 8 with acrylic resin mass ratio:1.
The preparation method of the modified aqueous polyurethane emulsion：By mass percent be respectively 54% polyurethane, 20%
Organic siliconresin, 15% methyl diethanolamine, 8% KH560 are added in the microwave radiation reactor equipped with agitating device, control
Mixing speed is 200r/min, and 60min is reacted at 80 DEG C, and the glacial acetic acid that mass percent is 3% is then added, continues to stir
After reacting 30min, 25 DEG C are cooled to, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, institute is made
State modified aqueous polyurethane emulsion, the mass ratio of the deionized water and polyurethane is 10:1.
The auxiliary agent presses matter by dimethylethanolamine, sulfonated oil, dibutyl tin laurate, Lauxite, silicone emulsion
Amount is than being 1:0.8:2.5:1:3 mix.
The preparation of component B is by pentaerythrite-three (3- '-aziridinos) propionic ester and 50% that mass percent is respectively 50%
Deionized water be added in blender, control mixing speed is 1200r/min, is stirred evenly, obtained component B.
Embodiment 4
The preparation of component A：By 10% modified aqueous acrylic acid lotion, 32% modified aqueous polyurethane emulsion, 28% aqueous titanium
White powder, 8% talcum powder, 1% lauryl sodium sulfate, 1% polyamide wax, 5% ethyl alcohol, 10% deionized water, 3% oxygen
Change iron is green, and 2% auxiliary agent is added in blender, and control mixing speed is 1200r/min, and three-roll grinder is transferred to after stirring evenly
Twice, component A is made in interior grinding.
The preparation method of the modified aqueous acrylic acid lotion：By mass percent be respectively 57% acrylic resin,
30% gloss oil, 8% polytetrafluoroethylene (PTFE), 5% dibasic ester（By dimethyl succinate, dimethyl glutarate, adipic acid diformazan
Ester is 1 according to mass percent:0.8:1.1 mixing）It is added in blender, control mixing speed is 500r/min, 25
After stirring 1h at DEG C, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, the modified water-soluble is made
Acrylic emulsion, the deionized water are 8 with acrylic resin mass ratio:1.
The preparation method of the modified aqueous polyurethane emulsion：By mass percent be respectively 50% polyurethane, 30%
Organic siliconresin, 10% methyl diethanolamine, 5% KH560 are added in the microwave radiation reactor equipped with agitating device, control
Mixing speed is 200r/min, and 60min is reacted at 80 DEG C, and the glacial acetic acid that mass percent is 5% is then added, continues to stir
After reacting 30min, 25 DEG C are cooled to, mixing speed is adjusted to 1200r/min, deionized water is added, stirs evenly, institute is made
State modified aqueous polyurethane emulsion, the mass ratio of the deionized water and polyurethane is 10:1.
The auxiliary agent presses matter by dimethylethanolamine, sulfonated oil, dibutyl tin laurate, Lauxite, silicone emulsion
Amount is than being 1:0.8:2.5:1:3 mix.
The preparation of component B is by pentaerythrite-three (3- '-aziridinos) propionic ester and 55% that mass percent is respectively 45%
Deionized water be added in blender, control mixing speed is 1200r/min, is stirred evenly, obtained component B.
2. the preparation of nylon ink for screen printing
Respectively by embodiment 1-4 component A and component B in mass ratio be 10:1 after mixing, 10min is stood, in leather
Surface uses 500 mesh silk-screen printings, and after silk-screen printing, 15min curing moldings are toasted at 50 DEG C, and ink is formed in leather surface
Coating.
3. the test of ink coating
To in embodiment 1-4 printing gained ink coating carry out respectively color fastness test, dry friction test, wet friction test, it is resistance to
Aqueous test, solvent resistance test, wear-resisting test.Test method is respectively：
Color fastness：With 3M tape-strippings on the ink coating printed, then with 90 degree of pull-up direction moment pull-ups, in ink
The same position of coating is tested three times, observes the variation of ink coating.
Dry friction is tested：Both hands rubbing is printed with the same position 100 times of the leather of ink coating, observes ink coating
Variation.
Wet friction is tested：Ink coating is bedewed with water, both hands rubbing is printed with the same position 100 of the leather of ink coating
It is secondary, observe the variation of ink coating.
Water resistance test：By the leather for being printed with ink coating in 100 DEG C of boiling 1h, then it is soaked in water under room temperature for 24 hours,
Observe the variation of ink coating.
Solvent resistance is tested：It is wiped back and forth 100 times in ink coating surface same position with absolute ethyl alcohol, observation ink applies
The variation of layer.
Wearability test：It is wiped back and forth 100 times in ink coating surface same position with erasing rubber, observes ink coating
Variation.
Test result is as follows for the above items：
By test result it is found that bi-component nylon ink for screen printing coating good color fastness in the present invention, have excellent water-fast, resistance to molten
Agent, wear-resisting property.
Finally, it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (10)
1. a kind of environment-friendly water-based bi-component nylon ink for screen printing, it is characterised in that：Including component A and component B；
Wherein the raw material of component A is with mass percent：Modified aqueous acrylic acid lotion 10%-20%, modified aqueous polyurethane breast
Liquid 30%-40%, aqueous titanium dioxide 25%-35%, talcum powder 5%-15%, dispersant 1%-8% thicken thixotropic agent 0.5%-5%, ethyl alcohol
3%-12%, deionized water 10%-20%, colorant 0%-10%, auxiliary agent 2%-6%；
The raw material of component B is with mass percent：Aziridine hardener 45%-60%, deionized water 40%-55%；
The auxiliary agent includes amine neutralizer, wetting agent, drier, levelling agent, antifoaming agent；
The preparation method of the modified aqueous acrylic acid lotion：By mass percent be respectively 50%-65% acrylic resin,
The gloss oil of 20%-30%, the fluororesin of 8%-18%, 3%-10% dibasic ester be added blender in, control mixing speed be 400-
Mixing speed after stirring 1-1.5h at 25-35 DEG C, is adjusted to 1200-1500r/min, deionized water is added by 500r/min,
It stirs evenly, the modified aqueous acrylic acid lotion is made, the deionized water is (5-10) with acrylic resin mass ratio:1；
The preparation method of the modified aqueous polyurethane emulsion：It is respectively polyurethane, the 20%- of 50%-60% by mass percent
Microwave radiation reaction of the coupling agent addition of 30% organic siliconresin, the hydrophilic agent of 10%-20%, 5%-15% equipped with agitating device
In device, control mixing speed is 200-350r/min, and 60-100min is reacted at 80-90 DEG C, and mass percent is then added and is
The acid regulator of 3%-8%, continues after being stirred to react 30-50min, is cooled to 25-35 DEG C, and mixing speed is adjusted to 1200-
1500r/min is added deionized water, stirs evenly, and the modified aqueous polyurethane emulsion, the deionized water and poly- ammonia is made
The mass ratio of ester is (5-10):1.
2. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：The dispersant is lignin
One or more of sodium sulfonate, lauryl sodium sulfate, polyacrylamide, sodium tripolyphosphate, sodium pyrophosphate, sodium metasilicate.
3. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：The thickening thixotropic agent is to have
One or more of machine bentonite, aerosil, polyamide wax.
4. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：The colorant be carbon black or
Iron oxide pigment.
5. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：Amine neutralizes in the auxiliary agent
Agent, wetting agent, drier, levelling agent, antifoaming agent mass ratio be 1:(0.8-1.2):(2.0-3.0):(0.8:1.2):(2.0-
3.0)；The amine neutralizer is one or more of dimethylethanolamine, triethylamine, diethyl ethylene diamine；The wetting agent
For one or more of sulfonated oil, soybean lecithin, polyethylene glycol oxide alkanisation ether；The drier is di lauric dibutyl
Tin；The levelling agent is at least one of Lauxite or melamine resin；The antifoaming agent is silicone emulsion, polyoxy
One or more of propylene glycerin ether, dimethyl silicone polymer.
6. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：The aziridine hardener is
Trimethylolpropane-three [3- (2- methylaziridines base)] propionic ester, trimethylolpropane-three (3- '-aziridinos) propionic ester,
One or more of pentaerythrite-three (3- '-aziridinos) propionic ester.
7. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：The modified aqueous acrylic acid
In the preparation method of lotion, the dibasic ester is by dimethyl succinate, dimethyl glutarate, dimethyl adipate according to quality
Percentage is 1:(0.8-1.2):(1.0-1.3) is mixed.
8. environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：The modified aqueous polyurethane
In the preparation method of lotion, the hydrophilic agent is methyl diethanolamine, ethyldiethanolamine, N, one in N- dihydroxy ethyl piperazines
Kind is several；The coupling agent is silane coupling agent；The acid regulator is one kind in formic acid, glacial acetic acid, lactic acid, phosphoric acid
Or it is several.
9. a kind of preparation method of environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：By institute
It states each raw material in component A to be added in blender, control mixing speed is 1200-1500r/min, and three rollers are transferred to after stirring evenly and are ground
Twice, component A is made in grinding in grinding machine；Each raw material in component B is added in blender, control mixing speed is 1200-
1500r/min is stirred evenly, and component B is made.
10. a kind of application method of environment-friendly water-based bi-component nylon ink for screen printing as described in claim 1, it is characterised in that：It will
The component A and component B is (8-15) in mass ratio:1 after mixing, stands 10-15min, then uses 500-700
Mesh silk-screen printing after silk-screen printing, toasts 15-20min curing moldings, or stand 20-26h at normal temperatures at 50-100 DEG C
Spontaneously dry curing molding.
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| CN112647349A (en) * | 2020-12-18 | 2021-04-13 | 上海鱼圆文具有限公司 | Printing covering process and application thereof |
| CN114736556A (en) * | 2022-04-29 | 2022-07-12 | 北京金印联国际供应链管理有限公司 | High-glossiness UV offset printing ink and preparation method thereof |
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| CN116376356A (en) * | 2023-05-09 | 2023-07-04 | 张家港市黎明化工有限公司 | Gravure printing ink and preparation method thereof |
| CN117025024A (en) * | 2023-10-09 | 2023-11-10 | 山东概念印刷有限公司 | Water-based ink composition for flexographic printing and preparation method thereof |
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