CN104830148A - Environment-friendly UV curing silk screen ink and production method thereof - Google Patents
Environment-friendly UV curing silk screen ink and production method thereof Download PDFInfo
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- CN104830148A CN104830148A CN201510298434.9A CN201510298434A CN104830148A CN 104830148 A CN104830148 A CN 104830148A CN 201510298434 A CN201510298434 A CN 201510298434A CN 104830148 A CN104830148 A CN 104830148A
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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
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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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
- C09D11/023—Emulsion inks
- C09D11/0235—Duplicating inks, e.g. for stencil printing
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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
- C09D11/10—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
- C09D11/10—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
- C09D11/104—Polyesters
- C09D11/105—Alkyd resins
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Abstract
The invention relates to technical field of ink, in particular to environment-friendly UV curing silk screen ink and a production method thereof. The environment-friendly UV curing silk screen ink comprises, by weight, 35-75 parts of UV resin, 15-30 parts of acrylate ester monomer, 8-12 parts of adhesive force promoting resin, 1-5 parts of polymer dispersant, 6-10 parts of photoinitiator, 1-2 parts of thixotropic agent, 1-2 parts of defoaming agent, 10-20 parts of pigment and 1-5 parts of hollow glass beads. The environment-friendly UV curing silk screen ink is fast in curing, good in weather resistance and good in chemical resistance.
Description
Technical field
The present invention relates to technical field of ink, be specifically related to a kind of environment-friendly type UV and solidify ink for screen printing and preparation method thereof.
Background technology
In prior art, UV ink for screen printing is the one of screen printing ink, and general reference adopts the ink of ultraviolet curing, is different from seasoning, heating, drying solidification, has quick solidifying, feature that color change is little.A large amount of solvent type ink used in the printing process such as China's silk screen printing flexographic printing intaglio printing at present, the volatile constituent containing 50%-60%; If add the thinner raised needed for ink viscosity, so when printing is dry, the total content of the volatile constituent that ink comes out is 70%-80%, the gas that these organic solvents volatilize enters in workman's body to cause damage to the liver of human body and neural system by breathing and causes very large harm to environment, brings high risks to the health of pressman.The shortcomings such as in addition, existing UV ink for screen printing has solvent resistance poor, and chemical resistance is poor, weather resistance difference.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of environment-friendly type UV to solidify ink for screen printing, this environment-friendly type UV solidification ink for screen printing is environmentally friendly, curing speed is fast, weather resistance good and chemical resistance is good.
Another object of the present invention is to provide a kind of environment-friendly type UV to solidify the preparation method of ink for screen printing, this preparation method's technique is simple, and convenient operation and control, steady quality, production efficiency is high, can large-scale industrial production.
Object of the present invention is achieved through the following technical solutions.
A kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 35-75 part
Acrylic ester monomer 15-30 part
Sticking power promotes resin 8-12 part
Macromolecule dispersing agent 1-5 part
Light trigger 6-10 part
Thixotropic agent 1-2 part
Defoamer 1-2 part
Pigment 10-20 part
Hollow glass micropearl 1-5 part.
Preferably, a kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 50-60 part
Acrylic ester monomer 20-25 part
Sticking power promotes resin 8-12 part
Macromolecule dispersing agent 1-5 part
Light trigger 6-10 part
Thixotropic agent 1-2 part
Defoamer 1-2 part
Pigment 12-18 part
Hollow glass micropearl 1-5 part.
Environment-friendly type UV of the present invention solidifies ink for screen printing by adopting above-mentioned raw materials, and the strict weight proportion controlling each raw material, curing speed is fast, weather resistance good and chemical resistance is good.
Preferably, the mixture that is made up of with weight ratio 1:1.5-2.5 epoxy acrylic resin and polyester acrylate resin of described UV resin.
UV resin of the present invention is by adopting epoxy acrylic resin and the composite use of polyester acrylate resin, and to control its weight ratio be 1:1.5-2.5, and obtained ink solidification speed is fast, weather resistance good and chemical resistance good.
Containing gas, there is good cold-and-heat resistent shrinkability in hollow glass micropearl, thus strengthen the elasticity of coating, make ink have good tinting strength and sticking power.Hollow glass micropearl is under the prerequisite of high filler loading capacity, and the viscosity of ink increases not obvious, and therefore the usage quantity of solvent can reduce, and just can reduce the quantity discharged of ink in use toxic gas, effectively reduce VOC index, improve environmental-protecting performance of the present invention.
Preferably, the raw material of following weight part is also comprised: dextrin 1-5 part.Dextrin has good mobility, stronger adhesive capacity and adsorptive power, can permeate, act synergistically with other raw material, improve the physicals of ink in raw material, improves the stability of ink.
Preferably, the mixture that is made up of with weight ratio 1-2:1.5-2.5:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295 of described acrylic ester monomer.
Acrylic ester monomer of the present invention is by adopting propylene glycol diacrylate, dihydroxy methylpropane diacrylate and the composite use of Viscoat 295, and to control its weight ratio be 1-2:1.5-2.5:1, obtained ink solidification speed is fast, weather resistance good and chemical resistance good.
Preferably, described sticking power promotes the mixture that resin is made up of with weight ratio 1.8-2.6:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
Sticking power of the present invention promotes that resin is by adopting vinylformic acid-4-hydroxybutyl and the composite use of 2-hydroxypropyl acrylate, and to control its weight ratio be 1.8-2.6:1, effectively can improve the sticking power after ink film forming.
Preferably, the dicarboxylic ester solution of described macromolecule dispersing agent to be molecular weight at 5000-15000, pigment affinity group the be polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 25%-35%.
Macromolecule dispersing agent of the present invention is the dicarboxylic ester solution of the polymkeric substance of amine groups by adopting molecular weight at 5000-15000, pigment affinity group, and the mass percentage controlling polymkeric substance in macromolecule dispersing agent is 25%-35%, homogeneous dispersion can be difficult to be dissolved in inorganic, organic solid and the liquid particle of liquid, also can prevent sedimentation and the cohesion of particle simultaneously, form stable suspension.
Preferably; described light trigger is by 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2; the mixture that 4,6-trimethylbenzoy-dipheny phosphine oxide forms with weight ratio 0.8-1.2:1.4-2.2:1.
Light trigger of the present invention is by adopting 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2; 4; the composite use of 6-trimethylbenzoy-dipheny phosphine oxide; and to control its weight ratio be 0.8-1.2:1.4-2.2:1, obtained ink solidification speed is fast.
Preferably, the mixture that is made up of with weight ratio 2-4:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil of described thixotropic agent.
Thixotropic agent of the present invention is by adopting dimethyldichlorosilane(DMCS) modified gas aerosil and the composite use of conventional gas phase silicon-dioxide, and to control its weight ratio be 2-4:1, can make resin adhesive liquid when static, have higher denseness, become again the material of low denseness fluid under external force.
Preferably, the mixture that is made up of with weight ratio 0.5-1.5:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether of described defoamer.
Defoamer of the present invention is by adopting polydimethylsiloxane and the composite use of polyoxypropylene ethylene oxide glyceryl ether, and to control its weight ratio be 0.5-1.5:1, can reduce ink surface tension, suppress foam to produce or eliminate to produce foam.
Preferably, described pigment is particle diameter at the titanium dioxide of 1-5 μm, the mixture that titanium dioxide is made up of with weight ratio 1:1.5-2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
Pigment of the present invention is by adopting particle diameter at the titanium dioxide of 1-5 μm, and titanium dioxide adopts Rutile type Titanium Dioxide and the composite use of anatase thpe white powder, and to control its weight ratio be 1:1.5-2.5, its tinting strength and printing effect good.
Another object of the present invention is achieved through the following technical solutions: a kind of environment-friendly type UV solidifies the preparation method of ink for screen printing, comprises the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 80-90 DEG C, stir 20-30min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 3-5h;
(3) be finally cooled to 60-70 DEG C, add surplus stock, stirring reaction 40-50min, after cooling, being ground to fineness is 20-40 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, can large-scale industrial production.
Beneficial effect of the present invention is: environment-friendly type UV solidification ink for screen printing of the present invention is environmentally friendly, curing speed is fast, weather resistance good and chemical resistance is good.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, can large-scale industrial production.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
A kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 35 parts
Acrylic ester monomer 30 parts
Sticking power promotes resin 8 parts
Macromolecule dispersing agent 5 parts
Light trigger 6 parts
Thixotropic agent 2 parts
Defoamer 1 part
Pigment 20 parts
Hollow glass micropearl 1 part.
The mixture that described UV resin is made up of with weight ratio 1:1.5 epoxy acrylic resin and polyester acrylate resin.
The mixture that described acrylic ester monomer is made up of with weight ratio 1:1.5:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295.
Described sticking power promotes the mixture that resin is made up of with weight ratio 1.8:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
The dicarboxylic ester solution that described macromolecule dispersing agent is molecular weight 5000, pigment affinity group is the polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 25%.
Described light trigger is the mixture be made up of with weight ratio 0.8:1.4:1 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2,4,6-trimethylbenzoy-dipheny phosphine oxide.
The mixture that described thixotropic agent is made up of with weight ratio 2:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil.
The mixture that described defoamer is made up of with weight ratio 0.5:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether.
Described pigment is particle diameter at the titanium dioxide of 1 μm, the mixture that titanium dioxide is made up of with weight ratio 1:1.5 Rutile type Titanium Dioxide and anatase thpe white powder.
Environment-friendly type UV solidifies a preparation method for ink for screen printing, comprises the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 80 DEG C, stir 20min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 3h;
(3) be finally cooled to 60 DEG C, add surplus stock, stirring reaction 40min, after cooling, being ground to fineness is 20 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
Embodiment 2
A kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 75 parts
Acrylic ester monomer 15 parts
Sticking power promotes resin 12 parts
Macromolecule dispersing agent 1 part
Light trigger 10 parts
Thixotropic agent 1 part
Defoamer 2 parts
Pigment 10 parts
Hollow glass micropearl 5 parts.
The mixture that described UV resin is made up of with weight ratio 1:1.7 epoxy acrylic resin and polyester acrylate resin.
The mixture that described acrylic ester monomer is made up of with weight ratio 1.2:1.7:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295.
Described sticking power promotes the mixture that resin is made up of with weight ratio 2:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
The dicarboxylic ester solution that described macromolecule dispersing agent is molecular weight 7000, pigment affinity group is the polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 27%.
Described light trigger is the mixture be made up of with weight ratio 0.9:1.6:1 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2,4,6-trimethylbenzoy-dipheny phosphine oxide.
The mixture that described thixotropic agent is made up of with weight ratio 2.5:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil.
The mixture that described defoamer is made up of with weight ratio 0.7:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether.
Described pigment is particle diameter at the titanium dioxide of 2 μm, the mixture that titanium dioxide is made up of with weight ratio 1:1.7 Rutile type Titanium Dioxide and anatase thpe white powder.
Environment-friendly type UV solidifies a preparation method for ink for screen printing, comprises the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 82 DEG C, stir 22min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 3.5h;
(3) be finally cooled to 62 DEG C, add surplus stock, stirring reaction 42min, after cooling, being ground to fineness is 25 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
Embodiment 3
A kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 50 parts
Acrylic ester monomer 25 parts
Sticking power promotes resin 8 parts
Macromolecule dispersing agent 5 parts
Light trigger 6 parts
Thixotropic agent 2 parts
Defoamer 1 part
Pigment 18 parts
Hollow glass micropearl 1 part.
The mixture that described UV resin is made up of with weight ratio 1:2 epoxy acrylic resin and polyester acrylate resin.
The mixture that described acrylic ester monomer is made up of with weight ratio 1.5:2:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295.
Described sticking power promotes the mixture that resin is made up of with weight ratio 2.2:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
The dicarboxylic ester solution that described macromolecule dispersing agent is molecular weight 10000, pigment affinity group is the polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 30%.
Described light trigger is the mixture be made up of with weight ratio 1:1.8:1 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2,4,6-trimethylbenzoy-dipheny phosphine oxide.
The mixture that described thixotropic agent is made up of with weight ratio 3:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil.
The mixture that described defoamer is made up of with weight ratio 1:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether.
Described pigment is particle diameter at the titanium dioxide of 3 μm, the mixture that titanium dioxide is made up of with weight ratio 1:2 Rutile type Titanium Dioxide and anatase thpe white powder.
Environment-friendly type UV solidifies a preparation method for ink for screen printing, comprises the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 85 DEG C, stir 25min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 4h;
(3) be finally cooled to 65 DEG C, add surplus stock, stirring reaction 45min, after cooling, being ground to fineness is 30 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
Embodiment 4
A kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 60 parts
Acrylic ester monomer 20 parts
Sticking power promotes resin 12 parts
Macromolecule dispersing agent 1 part
Light trigger 10 parts
Thixotropic agent 1 part
Defoamer 2 parts
Pigment 12 parts
Hollow glass micropearl 5 parts.
The mixture that described UV resin is made up of with weight ratio 1:2.2 epoxy acrylic resin and polyester acrylate resin.
The mixture that described acrylic ester monomer is made up of with weight ratio 1.8:2.2:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295.
Described sticking power promotes the mixture that resin is made up of with weight ratio 2.4:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
The dicarboxylic ester solution that described macromolecule dispersing agent is molecular weight 12000, pigment affinity group is the polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 32%.
Described light trigger is the mixture be made up of with weight ratio 1.1:2:1 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2,4,6-trimethylbenzoy-dipheny phosphine oxide.
The mixture that described thixotropic agent is made up of with weight ratio 3.5:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil.
The mixture that described defoamer is made up of with weight ratio 1.2:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether.
Described pigment is particle diameter at the titanium dioxide of 4 μm, the mixture that titanium dioxide is made up of with weight ratio 1:2.2 Rutile type Titanium Dioxide and anatase thpe white powder.
Environment-friendly type UV solidifies a preparation method for ink for screen printing, comprises the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 88 DEG C, stir 28min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 4.5h;
(3) be finally cooled to 68 DEG C, add surplus stock, stirring reaction 48min, after cooling, being ground to fineness is 35 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
Embodiment 5
A kind of environment-friendly type UV solidifies ink for screen printing, comprises the raw material of following weight part:
UV resin 55 parts
Acrylic ester monomer 22 parts
Sticking power promotes resin 10 parts
Macromolecule dispersing agent 3 parts
Light trigger 8 parts
Thixotropic agent 1 part
Defoamer 2 parts
Pigment 15 parts
Hollow glass micropearl 3 parts
3 parts, dextrin.
The mixture that described UV resin is made up of with weight ratio 1:2.5 epoxy acrylic resin and polyester acrylate resin.
The mixture that described acrylic ester monomer is made up of with weight ratio 2:2.5:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295.
Described sticking power promotes the mixture that resin is made up of with weight ratio 2.6:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
The dicarboxylic ester solution that described macromolecule dispersing agent is molecular weight 15000, pigment affinity group is the polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 35%.
Described light trigger is the mixture be made up of with weight ratio 1.2:2.2:1 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2,4,6-trimethylbenzoy-dipheny phosphine oxide.
The mixture that described thixotropic agent is made up of with weight ratio 4:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil.
The mixture that described defoamer is made up of with weight ratio 1.5:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether.
Described pigment is particle diameter at the titanium dioxide of 5 μm, the mixture that titanium dioxide is made up of with weight ratio 1:2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
Environment-friendly type UV solidifies a preparation method for ink for screen printing, comprises the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 90 DEG C, stir 30min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 5h;
(3) be finally cooled to 70 DEG C, add surplus stock, stirring reaction 50min, after cooling, being ground to fineness is 40 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
The assay that the environment-friendly type UV that embodiment 1-5 obtains solidifies ink for screen printing is as shown in table 1.
Table 1
As can be seen from Table 1, the environment-friendly type UV that obtains of the present invention solidifies that ink for screen printing curing speed is fast, weather resistance good and chemical resistance good.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, can large-scale industrial production.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. environment-friendly type UV solidifies an ink for screen printing, it is characterized in that: the raw material comprising following weight part:
UV resin 35-75 part
Acrylic ester monomer 15-30 part
Sticking power promotes resin 8-12 part
Macromolecule dispersing agent 1-5 part
Light trigger 6-10 part
Thixotropic agent 1-2 part
Defoamer 1-2 part
Pigment 10-20 part
Hollow glass micropearl 1-5 part.
2. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: the raw material comprising following weight part:
UV resin 50-60 part
Acrylic ester monomer 20-25 part
Sticking power promotes resin 8-12 part
Macromolecule dispersing agent 1-5 part
Light trigger 6-10 part
Thixotropic agent 1-2 part
Defoamer 1-2 part
Pigment 12-18 part
Hollow glass micropearl 1-5 part.
3. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: the raw material also comprising following weight part: dextrin 1-5 part.
4. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: the mixture that described UV resin is made up of with weight ratio 1:1.5-2.5 epoxy acrylic resin and polyester acrylate resin.
5. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: the mixture that described acrylic ester monomer is made up of with weight ratio 1-2:1.5-2.5:1 propylene glycol diacrylate, dihydroxy methylpropane diacrylate and Viscoat 295.
6. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: described sticking power promotes the mixture that resin is made up of with weight ratio 1.8-2.6:1 vinylformic acid-4-hydroxybutyl and 2-hydroxypropyl acrylate.
7. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: the dicarboxylic ester solution of described macromolecule dispersing agent to be molecular weight at 5000-15000, pigment affinity group the be polymkeric substance of amine groups, in macromolecule dispersing agent, the mass percentage of polymkeric substance is 25%-35%.
8. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: described light trigger is by 2-hydroxy-2-methyl-1-phenyl-acetone, 2-methyl isophthalic acid-(4-methylthio group phenyl)-2-morpholinyl-1-acetone and 2, the mixture that 4,6-trimethylbenzoy-dipheny phosphine oxide forms with weight ratio 0.8-1.2:1.4-2.2:1; The mixture that described thixotropic agent is made up of with weight ratio 2-4:1 dimethyldichlorosilane(DMCS) modified gas aerosil and aerosil.
9. a kind of environment-friendly type UV according to claim 1 solidifies ink for screen printing, it is characterized in that: the mixture that described defoamer is made up of with weight ratio 0.5-1.5:1 polydimethylsiloxane and polyoxypropylene ethylene oxide glyceryl ether; Described pigment is particle diameter at the titanium dioxide of 1-5 μm, the mixture that titanium dioxide is made up of with weight ratio 1:1.5-2.5 Rutile type Titanium Dioxide and anatase thpe white powder.
10. a kind of environment-friendly type UV as described in any one of claim 1-9 solidifies the preparation method of ink for screen printing, it is characterized in that: comprise the steps:
(1) the UV resin of above-mentioned weight part, acrylic ester monomer, sticking power are promoted resin and pigment mixing, be heated to 80-90 DEG C, stir 20-30min;
(2) macromolecule dispersing agent of above-mentioned weight part, thixotropic agent and defoamer is then added, stirring reaction 3-5h;
(3) be finally cooled to 60-70 DEG C, add surplus stock, stirring reaction 40-50min, after cooling, being ground to fineness is 20-40 μm, obtains environment-friendly type UV and solidifies ink for screen printing.
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