CN105885524A - UV (ultraviolet)-LED curing ink and preparation method and application thereof - Google Patents
UV (ultraviolet)-LED curing ink and preparation method and application thereof Download PDFInfo
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- CN105885524A CN105885524A CN201610443714.9A CN201610443714A CN105885524A CN 105885524 A CN105885524 A CN 105885524A CN 201610443714 A CN201610443714 A CN 201610443714A CN 105885524 A CN105885524 A CN 105885524A
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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
- C09D11/03—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
- C09D11/106—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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- 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
- C09D11/30—Inkjet printing inks
Abstract
The invention discloses UV (ultraviolet)-LED curing ink and a preparation method and application thereof and belongs to the field of photocuring. The UV-LED curing ink comprises, by weight, 30%-80% of acrylate oligomer, 10%-40% of acrylic monomers, 1%-10% of photoinitiator and 0.1%-20% of auxiliaries. The UV-LED curing ink can be suitable for obtaining a coating with curing degree greater than 80% by the UV-LED curing technology under the wavelength of 300-400 nm, and the coating is bright and fast in color.
Description
Technical field
The present invention relates to curing field, particularly to a kind of UV-LED solidification ink and preparation method thereof
And application.
Background technology
UV-LED solidification refers to the light utilizing LED (light-emitting diode, light emitting diode) to send
The fluids such as ink, paint, cold coating, slurry, adhesive are made to be changed into solid, relative to traditional UV
(Ultra Violet, ultraviolet light) solidifies, and the ultraviolet width spectral light that it is sent by mercury lamp, UV-LED solidifies tool
Have the advantage that (1) UV-LED solidification is compared with UV solidification, it is only necessary to its power consumption of 1/4；(2)
UV solidification easily makes product surface generate heat, and the emittance of UV-LED solidification can control, and heating is few, produces
Product surface temperature, not over 50 DEG C, can be avoided the location of product to be subjected to displacement, cause bad；(3)UV-LED
Solidification can make reach the service life of uv cure system 20000-30000 hour, is equivalent to UV solidification
30-40 times；(4) UV-LED solidification can accomplish that moment is turned on and off, it is not necessary to UV solidification is necessary
Preheating and temperature fall time, and each irradiation head is independent luminous, and irradiation energy is not increased by passage to be affected,
Remain at maximum, be effectively improved production efficiency and reduce energy consumption simultaneously；(5) UV-LED solidifies ozone free
Produce, will not be to environment.Visible, use UV-LED solidification to replace traditional UV solidification right
Have great importance in the energy-conserving and environment-protective realizing photocuring.
At ink area, UV curable ink refers to, under ultraviolet irradiation, utilize different wave length and energy
The ultraviolet light of amount makes ink film forming and the ink being dried, and its major advantage is as follows: 1) without solvent and water；2)
Rate of drying is fast, and power consumption is few；3) aberration is bright-coloured, good luster；4) water-fast, solvent resistant, wearability are good.
But, during preparing UV curable ink, inventor studies discovery, is affected by ink composition,
Prior art generally uses traditional UV curing mode to carry out ink solidification.If using UV-LED solidification
Technology carries out ink solidification, the electric energy consumed during can being substantially reduced ink solidification, reduces smelly simultaneously
The discharge of oxygen, and the performance of ink solidification layer will not be had any impact.
Understand based on above-mentioned, it is provided that a kind of UV-LED solidification ink and preparation method thereof, for energy-saving ring
Protect ground acquisition light-curable ink to have great importance.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that a kind of UV-LED solidification ink
And its preparation method and application.Concrete technical scheme is as follows:
First aspect, the embodiment of the present invention provides a kind of UV-LED solidification ink, and described UV-LED is solid
Change ink includes following components in percentage by weight:
Acrylate oligomer 10%-80%, acrylic monomer 10%-70%, light trigger 1%-10%,
Toner 0.1%-20%, auxiliary agent 0.1%-10%；
Described light trigger includes first kind light trigger and/or the ultraviolet that uv absorption wavelength is 350-400nm
The absorbing wavelength Equations of The Second Kind light trigger less than 350nm.
Specifically, as preferably, described UV-LED solidification ink includes following components in percentage by weight:
Acrylate oligomer 40%-70%, acrylic monomer 20%-40%, light trigger 1%-10%,
Toner 0.1%-10%, auxiliary agent 0.1%-10%.
Specifically, as preferably, described acrylate oligomer is selected from epoxy acrylate, polyurethane propylene
At least one in acid esters, polyester acrylate, polyether acrylate.
Specifically, as preferably, described acrylic monomer is selected from 1,6-hexanediyl ester, three hydroxyl first
The different ice of base propane triacrylate, pentaerythritol triacrylate, tetramethylol methane tetraacrylate, acrylic acid
At least one in sheet ester.
Specifically, as preferably, described first kind light trigger is selected from 2,4,6-trimethyl benzoyl diphenyl bases
Phosphine oxide, phenyl double (2,4,6-trimethylbenzoyl) phosphine oxide, 2-isopropyl thioxanthone, 2,4-diethyl
At least one in base thiazolone, 2-methyl isophthalic acid-[4-(methyl thio) phenyl]-2-(4-morpholinyl)-1-acetone；
Described Equations of The Second Kind light trigger selected from 2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone,
At least one in 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzophenone.
Specifically, as preferably, described toner is that titanium dioxide, white carbon black, phthalocyanine blue, the phthalein mountain valley with clumps of trees and bamboo be green, biphenyl
Amine Huang, permanent violet or permanent bordeaux.
Specifically, as preferably, described auxiliary agent helps draw selected from defoamer, levelling agent, dispersant, reactive amines
Send out at least one in agent.
Second aspect, embodiments provides the preparation method of above-mentioned UV-LED solidification ink, bag
Include:
Step a, according to percentage by weight, the acrylic monomer of toner, 1/4-1/3 content is mixed and grinds
Become mill base；
Step b, by described mill base, acrylate oligomer, remaining acrylic monomer, light trigger and
Auxiliary agent puts in reactor, stirs 1.5-3 hour, filter product subsequently under conditions of 50 DEG C-80 DEG C,
Obtain UV-LED solidification ink.
The third aspect, embodiments provides above-mentioned UV-LED solidification ink and is utilizing UV-LED
Curing technology is prepared in curing optical fiber ink, cured offset printing ink, solidification ink for screen printing, curing spray printing ink
Application.
Specifically, under the LED light source of 300nm-400nm wavelength, carry out UV-LED solidification, with preparation
Obtain described curing optical fiber ink, described cured offset printing ink, described solidification ink for screen printing or described solidification
Inkjet inks.
The technical scheme that the embodiment of the present invention provides has the benefit that
The UV-LED solidification ink that the embodiment of the present invention provides, between each component based on said ratio
Collaborative complex role, it is solid that it may be adapted to utilize UV-LED curing technology to obtain under 300nm-400nm wavelength
The change degree cured printing ink more than 80%, and there is higher curing rate, it is seen that it is solid that it can meet ultraviolet
The fast setting requirement of carburetion ink, has again the energy-conserving and environment-protective of UV-LED curing technology concurrently, has higher work
Industry application prospect.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below will be to embodiment of the present invention
It is described in further detail.
First aspect, embodiments provides a kind of UV-LED solidification ink, and this UV-LED is solid
Change ink includes following components in percentage by weight: acrylate oligomer 10%-80%, acrylic compounds list
Body 10%-70%, light trigger 1%-10%, toner 0.1%-20%, auxiliary agent 0.1%-10%；Wherein, light
Initiator includes that first kind light trigger that uv absorption wavelength is 350-400nm and/or uv absorption wavelength are low
Equations of The Second Kind light trigger in 350nm.
The UV-LED solidification ink that the embodiment of the present invention provides, between each component based on said ratio
Collaborative complex role, it is solid that it may be adapted to utilize UV-LED curing technology to obtain under 300nm-400nm wavelength
The change degree cured printing ink more than 80%, and there is higher curing rate, it is seen that it is solid that it can meet ultraviolet
The fast setting requirement of carburetion ink, has again the energy-conserving and environment-protective of UV-LED curing technology concurrently, has higher work
Industry application prospect.
It is understood that the solidification ink described in the embodiment of the present invention refers to the fluid oil before solidifying
Ink raw material, described cured printing ink refers to the ink solidification after utilizing UV-LED curing technology to solidify
Layer.
It is to be understood that in embodiments of the present invention, described curing degree refers to the acrylic acid reacted
Ester unsaturated group accounts for the percentage ratio of all acrylate unsaturated group in acrylate oligomer.Curing degree
The performance of size and prepared cured printing ink, such as mechanical strength, adhesive force, in situ modulus, fatigue
Intensity etc. are directly related, and in general, the curing degree of cured printing ink is the highest, and its combination property is the most excellent.
As preferably, the embodiment of the present invention provides a kind of UV-LED solidification ink with optimum ratio,
It includes following components in percentage by weight: acrylate oligomer 40%-70%, acrylic monomer
20%-40%, light trigger 1%-10%, toner 0.1%-10%, auxiliary agent 0.1%-10%.It is understood that
When cured printing ink prepared by the UV-LED solidification ink utilizing this proportioning, it is more conducive to obtain higher solid
Change degree.For example, in embodiments of the present invention, the percentage by weight of acrylate oligomer can be 40%,
42%, 44%, 46%, 48%, 50%, 52%, 54%, 56%, 58%, 60%, 65%, 70% etc.,
The percentage by weight of acrylic monomer can be 20%, 22%, 24%, 26%, 28%, 30%, 35%,
40% etc., the percentage by weight of light trigger can be 1%, 2%, 4%, 6%, 8%, 10% etc., auxiliary agent
Percentage by weight can be 0.1%, 0.5%, 1%, 3%, 5%, 8%, 10% etc., the weight hundred of toner
Proportion by subtraction can be 0.1%, 0.5%, 1%, 3%, 5%, 8%, 10% etc..
In embodiments of the present invention, acrylate oligomer is as the resin matrix of ink, after making solidification
Ink there is preferable mechanical performance, such as Young's modulus of elasticity, elongation at break, fracture strength etc.,
Preferably make acrylate oligomer be selected from epoxy acrylate, urethane acrylate, polyester acrylate,
At least one in polyether acrylate.It is understood that above-mentioned epoxy acrylate can include that it changes
Property product, such as modified epoxy acrylic ester (terminal carboxyl polyester modified epoxy acrylic ester).
In embodiments of the present invention, acrylic monomer, also known as acrylic monomer, it can be with propylene
Acid esters oligomer issues third contact of a total solar or lunar eclipse curing cross-linking reaction at ultraviolet lighting, to increase crosslink density, to realize quickly
Solidification, and obtain high curing degree.(solidification can be ensured to regulate the viscosity of UV-LED solidification ink
Time the uniformity) and as far as possible improve UV-LED solidification ink curing rate, preferably make acrylic acid
Class monomer is selected from 1,6-hexanediyl ester (1,6-hexanedioldiacrylate, be called for short HDDA), three
Hydroxymethyl-propane triacrylate (Trimethylol propane triacrylate is called for short TMPTA), Ji Wusi
Alcohol triacrylate (Pentaerythritol triacrylate is called for short PETA), tetramethylol methane tetraacrylate
At least one in (Pentaerythritol Tetraacrylate is called for short PET4A), isobornyl acrylate,
1,6 hexanediol diacrylate is preferably used.
The effect of light trigger is to absorb ultraviolet light, with initiating methacrylates oligomer and acrylic monomer
Polymerization crosslinking reacts.Inventor studies discovery, and light trigger is for the curing rate of ink and cured printing ink
Curing degree has important impact, in order to ensure that this UV-LED solidification ink can be at 300nm-400nm
Carrying out UV-LED solidification under the LED light source of wavelength, first kind light trigger is preferably limited by the embodiment of the present invention
It is set at least one in light trigger as described below: 2,4,6-trimethyl benzoyl diphenyl base phosphine oxide
(Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide is called for short TPO), phenyl double (2,4,6-
Trimethylbenzoyl) phosphine oxide (Chinese another name for light trigger 819), 2-isopropyl thioxanthone
(2-Isopropylthioxanthone, be called for short ITX), 2,4-diethyl thiazolone
(2,4-Diethyl-9H-thioxanthen-9-one, vehicle economy TX), 2-methyl isophthalic acid-[4-(methyl thio) benzene
Base] at least one in-2-(4-morpholinyl)-1-acetone (Chinese another name for light trigger 907), by this Equations of The Second Kind
Light trigger is defined to 2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone, and (Chinese another name is light
Initiator 369), 1-hydroxycyclohexyl phenyl ketone (Chinese another name for light trigger 184), 2-hydroxyl-2-first
Base-1-phenyl-1-acetone (Chinese another name is light trigger 1173), benzophenone (Benzophenone, letter
Claim BP), at least one.More preferably.This light trigger be light trigger 369, light trigger 1173,
In light trigger 907,2-isopropyl thioxanthone, 2-isopropyl thioxanthone, 2,4-diethyl thiazolone
At least one.
Further, in order to obtain the cured printing ink with expected performance, the UV-LED of the embodiment of the present invention
Solidification ink also includes auxiliary agent, defoamer, levelling agent, dispersion can be selected from as preferably this auxiliary agent
At least one in agent, reactive amines aided initiating, wherein, defoamer can be that organic silicon modified by polyether class disappears
Infusion or non-silicon base polymer defoamer (such as polyether antifoam agent, acrylate defoamer etc.), levelling agent is permissible
For silicone levelling agent or acrylic compounds levelling agent.Specifically, by using above-mentioned defoamer to eliminate
Produced bubble in cured printing ink preparation process, it is ensured that the compactness of cured printing ink.By using above-mentioned stream
Flat agent can improve cured printing ink smoothness of the surface, improves the outward appearance of cured printing ink.It is understood that
Above-mentioned defoamer, levelling agent, that dispersant is this area is common, and it is not made by the embodiment of the present invention
More specifically limit.
The dry journey on cured printing ink surface is improved by using reactive amines aided initiating can suppress oxygen inhibition
Degree, and then improve its curing degree.To those skilled in the art, reactive amines aided initiating is this area
Common, it is also referred to as reactive amine aided initiating, reactive amines photoinitiator, reactive amines light
Quick sensitizer etc..For example, the progress of the amine light trigger write in HONGGUANG perhaps (remember by information
Record material, the 8th phase of volume 8 in 2007) in it is described, the reactive amines of various structures helps initiation
Agent all can realize the present invention, and it is not more specifically limited by the embodiment of the present invention at this.
Further, in embodiments of the present invention, in order to improve the versatility of this UV-LED solidification ink,
The most also including the toner of said ratio, specifically, this toner can be titanium dioxide, white carbon black, the phthalein mountain valley with clumps of trees and bamboo
Blue, the phthalein mountain valley with clumps of trees and bamboo is green, benzidine yellow, permanent violet or permanent bordeaux, thus gives the color that cured printing ink is different.
Second aspect, embodiments provides the preparation method of above-mentioned UV-LED solidification ink,
This preparation method comprises the following steps:
Step 101, according to percentage by weight, the acrylic monomer of toner, 1/4-1/3 content is mixed and grinds
Wear into mill base.
Step 102, by the mill base prepared in step 101, remaining acrylic monomer, acrylate
Oligomer, light trigger and auxiliary agent put in reactor, stir 1.5-3 hour under conditions of 50 DEG C-80 DEG C,
Filter product subsequently, it is thus achieved that UV-LED solidification ink.
In step 102, by by above-mentioned various components in a kettle. in 50 DEG C-80 DEG C, be preferable at 60 DEG C
Stir 1.5-3 hour, preferably 2 hours, to obtain homogeneous UV-LED solidification ink.Additionally, pass through
Product is filtered, to remove the particulate species impurity that may introduce in preparation process, and then after guarantee
The slickness of continuous cured printing ink.
Will also be appreciated that in the industrial production, in order to improve production efficiency, by acrylate is low
In polymers, acrylic monomer, light trigger, toner, auxiliary agent placing response still simultaneously, then at 50 DEG C
Stir 1.5-3 hour under conditions of-80 DEG C, filter product subsequently, it is thus achieved that UV-LED solidification ink.
The third aspect, embodiments provides above-mentioned UV-LED solidification ink and is utilizing UV-LED
Curing technology is prepared in curing optical fiber ink, cured offset printing ink, solidification ink for screen printing, curing spray printing ink
Application.UV-LED solidification ink that is visible, that formed based on said ratio and component, it is applicable
Prepare all kinds of cured printing ink in UV-LED curing technology, instead of traditional UV cured printing ink, more
Add energy-conserving and environment-protective.
Specifically, during utilizing UV-LED solidification to carry out above-mentioned application, above-mentioned UV-LED solidifies
Can absorb the ultraviolet light of 300nm-400nm wavelength with ink, be more conducive to actual cured printing ink production in due to
LED light source wave-length coverage is narrower thus causes this cured printing ink to solidify bad problem, it is ensured that its curing degree is big
In 80%, it is achieved high speed curable, meet industrialization Printing ink producing demand.Visible, utilize the embodiment of the present invention
The ink provided carries out UV-LED solidification, meets energy-conserving and environment-protective and high speed curable, for ink system simultaneously
For having great importance.
Hereinafter will be further described through the present invention by specific embodiment.
In specific examples below, the unreceipted condition person of involved operation, all according to normal condition or
The condition of manufacturer's suggestion is carried out.Raw materials used unreceipted production firm and specification person are can be by commercial
The conventional products obtained.
It should be noted that in the light trigger involved by specific examples below, be called for short respectively such as
Under:
TMDPO: TPO,
Double (2,4,6-trimethylbenzoyl) phosphine oxide of phenyl: light trigger 819,
2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone: light trigger 369,
1-hydroxycyclohexyl phenyl ketone: light trigger 184,
2-hydroxy-2-methyl-1-phenyl-1-acetone: light trigger 1173,
2-methyl isophthalic acid-[4-(methyl thio) phenyl]-2-(4-morpholinyl)-1-acetone: light trigger 907,
2-isopropyl thioxanthone: ITX,
Benzophenone: BP,
2,4-diethyl thiazolone: DETX.
Embodiment 1
Present embodiments provide a kind of UV-LED solidification optical fiber blue ink, the composition of this ink and preparation
Method is as follows:
Step 1, the blue mill base of preparation, in this blueness mill base, each weight percentages of components is as follows:
Above-mentioned each raw material components utilizes sitting posture sand mill be ground to particle diameter and < after 1um, and filtration, obtains this blueness
Mill base.
2) UV-LED solidification optical fiber blue ink is prepared, each composition weight percentage in this optical fiber blue ink
Ratio is as follows:
Each raw material of said ratio is put in reactor, stir 2 hours under the conditions of 60 DEG C, filter and prepare
Optical fiber blue ink is used in UV-LED solidification.
Utilize UV-LED curing technology that this UV-LED solidification optical fiber blue ink is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 300nm wavelength LED curing light source power: 500W |
| Drawing speed | V=1500m/min |
| Curing degree | 85% |
Embodiment 2
Present embodiments provide a kind of UV-LED solidification optical fiber white ink, the composition of this ink and preparation
Method is as follows:
Step 1, preparing white colorant, in this white colorant, each weight percentages of components is as follows:
Above-mentioned each raw material components utilizes sitting posture sand mill be ground to particle diameter and < after 1um, and filtration, obtains this white
Mill base.
2) UV-LED solidification optical fiber white ink is prepared, each composition weight percentage in this optical fiber white ink
Ratio is as follows:
Each raw material of said ratio is put in reactor, stir 2 hours under the conditions of 60 DEG C, filter and prepare
Optical fiber white ink is used in UV-LED solidification.
Utilize UV-LED curing technology that this UV-LED solidification optical fiber white ink is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 365nm wavelength LED curing light source power: 500W |
| Drawing speed | V=1200m/min |
| Curing degree | 88% |
Embodiment 3
Present embodiments provide a kind of UV-LED solidification optical fiber Yellow ink, the composition of this ink and preparation
Method is as follows:
Step 1, preparation yellow mill base, in this yellow mill base, each weight percentages of components is as follows:
Above-mentioned each raw material components utilizes sitting posture sand mill be ground to particle diameter and < after 1um, and filtration, obtains this yellow
Mill base.
2) UV-LED solidification optical fiber Yellow ink is prepared, each composition weight percentage in this optical fiber Yellow ink
Ratio is as follows:
Each raw material of said ratio is put in reactor, stir 2 hours under the conditions of 60 DEG C, filter and prepare
Optical fiber Yellow ink is used in UV-LED solidification.
Utilize UV-LED curing technology that this UV-LED solidification optical fiber Yellow ink is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 385nm wavelength LED curing light source power: 500W |
| Drawing speed | V=1300m/min |
| Curing degree | 82% |
Embodiment 4
Present embodiments provide the green offset ink of a kind of UV-LED solidification, the composition of this ink and preparation
Method is as follows:
Above-mentioned raw materials is put into agitator by its proportioning, after stirring, uses three-roller to be dispersed to particle diameter
< 5um can be prepared by the green offset ink of UV-LED solidification.
UV-LED curing technology offset ink green to this UV-LED solidification is utilized to carry out cured,
Its operating condition and test result are as shown in the table:
| Light source | 395nm wavelength LED curing light source power: 500W |
| Speed of production | V=20m/min |
| Curing degree | 86% |
Embodiment 5
Present embodiments provide a kind of UV-LED solidification black offset ink, the composition of this ink and preparation
Method is as follows:
By above-mentioned raw materials by its proportioning put into agitator, after stirring, use three-roller be dispersed to particle diameter < 5um,
Can be prepared by UV-LED solidification black offset ink.
Utilize UV-LED curing technology that this UV-LED solidification black offset ink is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 400nm wavelength LED curing light source power: 500W |
| Speed of production | V=20m/min |
| Curing degree | 90% |
Embodiment 6
Present embodiments provide the red offset ink of a kind of UV-LED solidification, the composition of this ink and preparation
Method is as follows:
After above-mentioned raw materials mix homogeneously, < 2um can be prepared by be ground to particle diameter in input sitting posture sand mill
UV-LED solidification redness ink for screen printing.
UV-LED curing technology offset ink red to this UV-LED solidification is utilized to carry out cured,
Its operating condition and test result are as shown in the table:
| Light source | 365nm wavelength LED curing light source power: 800W |
| Speed of production | V=30m/min |
| Curing degree | 92% |
Embodiment 7
Present embodiments provide a kind of UV-LED solidification purple ink for screen printing, the composition of this ink and preparation
Method is as follows:
After above-mentioned raw materials mix homogeneously, < 2um can be prepared by this to be ground to particle diameter in input sitting posture sand mill
Purple ink for screen printing is used in UV-LED solidification.
Utilize UV-LED curing technology that this UV-LED solidification purple ink for screen printing is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 395nm wavelength LED curing light source power: 800W |
| Speed of production | V=30m/min |
| Curing degree | 91% |
Embodiment 8
Present embodiments provide the blue inkjet inks of a kind of UV-LED solidification, the composition of this ink and preparation
Method is as follows:
After above-mentioned raw materials mix homogeneously, < 1um can be prepared by this to be ground to particle diameter in input sitting posture sand mill
UV-LED solidification blueness inkjet inks.
UV-LED curing technology inkjet inks blue to this UV-LED solidification is utilized to carry out cured,
Its operating condition and test result are as shown in the table:
| Light source | 385nm wavelength LED curing light source power: 800W |
| Speed of production | V=100m/min |
| Curing degree | 94% |
Embodiment 9
Present embodiments provide a kind of UV-LED solidification pink inkjet inks, the composition of this ink and system
Preparation Method is as follows:
After above-mentioned raw materials mix homogeneously, < 1um can be prepared by this to be ground to particle diameter in input sitting posture sand mill
UV-LED solidification pink inkjet inks.
Utilize UV-LED curing technology that this UV-LED solidification pink inkjet inks is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 395nm wavelength LED curing light source power: 800W |
| Speed of production | V=100m/min |
| Curing degree | 90% |
Embodiment 10
Present embodiments provide a kind of UV-LED solidification dark green inkjet inks, the composition of this ink and system
Preparation Method is as follows:
After above-mentioned raw materials mix homogeneously, < 1um can be prepared by this to be ground to particle diameter in input sitting posture sand mill
Dark green inkjet inks is used in UV-LED solidification.
Utilize UV-LED curing technology that this UV-LED solidification dark green inkjet inks is carried out cured,
Its operating condition and test result are as shown in the table:
| Light source | 395nm wavelength LED curing light source power: 1000W |
| Speed of production | V=100m/min |
| Curing degree | 92% |
Comparative example
This comparative example is surveyed with regard to traditional UV solidification ink solidification situation under the conditions of different operating
Examination, wherein in following table, each UV solidification ink is purchased from DSM company, Japan company of Japan:
By in the various embodiments described above and comparative example provide all kinds of ink and application effect it can be seen that compare
Traditional UV is utilized to solidify each ink processing in this comparative example, the UV-LED that the embodiment of the present invention provides
Solidification ink not only can solidify utilizing UV-LED curing technology under 300nm-400nm wavelength,
And its curing rate uses speed during UV solidification higher than tradition ink, and the power used is significantly simultaneously
Degree declines, and the curing degree of the cured printing ink obtained is more than 80%.Visible, the embodiment of the present invention provides
UV-LED solidification ink can meet the fast setting requirement of uv curing ink, has again UV-LED concurrently
The energy-conserving and environment-protective of curing technology, have higher prospects for commercial application.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the scope of the invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all should comprise
Within protection scope of the present invention.
Claims (10)
1. a UV-LED solidification ink, it is characterised in that described UV-LED solidification ink includes
Following components in percentage by weight:
Acrylate oligomer 10%-80%, acrylic monomer 10%-70%, light trigger 1%-10%,
Toner 0.1%-20%, auxiliary agent 0.1%-10%；
Described light trigger includes first kind light trigger and/or the ultraviolet that uv absorption wavelength is 350-400nm
The absorbing wavelength Equations of The Second Kind light trigger less than 350nm.
UV-LED solidification ink the most according to claim 1, it is characterised in that described UV-LED
Solidification ink includes following components in percentage by weight:
Described acrylate oligomer 40%-70%, described acrylic monomer 20%-40%, described light-initiated
Agent 1%-10%, described toner 0.1%-10%, described auxiliary agent 0.1%-10%.
UV-LED solidification ink the most according to claim 1 and 2, it is characterised in that described third
Olefin(e) acid ester oligomer is selected from epoxy acrylate, urethane acrylate, polyester acrylate, polyethers propylene
At least one in acid esters.
UV-LED solidification ink the most according to claim 1 and 2, it is characterised in that described third
Alkene acrylic monomer is selected from 1,6 hexanediol diacrylate, trimethylolpropane trimethacrylate, tetramethylolmethane three
At least one in acrylate, tetramethylol methane tetraacrylate, isobornyl acrylate.
UV-LED solidification ink the most according to claim 1 and 2, it is characterised in that described
One photoinitiator is selected from 2,4,6-trimethyl benzoyl diphenyl base phosphine oxide, double (the 2,4,6-trimethylbenzene of phenyl
Formoxyl) phosphine oxide, 2-isopropyl thioxanthone, 2,4-diethyl thiazolone, 2-methyl isophthalic acid-[4-(methyl thio)
Phenyl] at least one in-2-(4-morpholinyl)-1-acetone；
Described Equations of The Second Kind light trigger selected from 2-phenyl benzyl-2-dimethyl amine-1-(4-morpholine benzyl phenyl) butanone,
At least one in 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, benzophenone.
UV-LED solidification ink the most according to claim 1 and 2, it is characterised in that described color
Powder is that titanium dioxide, white carbon black, phthalocyanine blue, the phthalein mountain valley with clumps of trees and bamboo be green, benzidine yellow, permanent violet or permanent bordeaux.
UV-LED solidification ink the most according to claim 1 and 2, it is characterised in that described in help
At least one in defoamer, levelling agent, dispersant, reactive amines aided initiating of agent.
8. the preparation method of the UV-LED solidification ink described in claim 1-7, including:
Step a, according to percentage by weight, the acrylic monomer of toner, 1/4-1/3 content is mixed and grinds
Become mill base；
Step b, by described mill base, acrylate oligomer, remaining acrylic monomer, light trigger and
Auxiliary agent puts in reactor, stirs 1.5-3 hour, filter product subsequently under conditions of 50 DEG C-80 DEG C,
Obtain UV-LED solidification ink.
9. the UV-LED solidification ink described in claim 1-7 is utilizing UV-LED curing technology to prepare
Application in curing optical fiber ink, cured offset printing ink, solidification ink for screen printing, curing spray printing ink.
Application the most according to claim 9, it is characterised in that at the LED of 300nm-400nm wavelength
Carry out UV-LED solidification under light source, with prepare described curing optical fiber ink, described cured offset printing ink,
Described solidification ink for screen printing or described curing spray printing ink.
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Application publication date: 20160824 |