CN107118611A - Light infrared absorption UV-LED ink-jet inks and preparation method thereof - Google Patents

Light infrared absorption UV-LED ink-jet inks and preparation method thereof Download PDF

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Publication number
CN107118611A
CN107118611A CN201610331518.2A CN201610331518A CN107118611A CN 107118611 A CN107118611 A CN 107118611A CN 201610331518 A CN201610331518 A CN 201610331518A CN 107118611 A CN107118611 A CN 107118611A
Authority
CN
China
Prior art keywords
infrared absorption
jet inks
ink
led ink
light infrared
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610331518.2A
Other languages
Chinese (zh)
Inventor
陈夏萌
孟庆飞
马永胜
袁国林
黄维维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHONGCHAO INK CO Ltd
China Banknote Printing and Minting Corp
Original Assignee
ZHONGCHAO INK CO Ltd
China Banknote Printing and Minting Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHONGCHAO INK CO Ltd, China Banknote Printing and Minting Corp filed Critical ZHONGCHAO INK CO Ltd
Priority to CN201610331518.2A priority Critical patent/CN107118611A/en
Publication of CN107118611A publication Critical patent/CN107118611A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/101Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/32Inkjet printing inks characterised by colouring agents
    • C09D11/328Inkjet printing inks characterised by colouring agents characterised by dyes

Abstract

The invention discloses a kind of light infrared absorption UV LED ink-jet inks and preparation method thereof, it is made up of the component of following percentage by weight:Infrared absorbing dye 1% 10%, prepolymer 15% 35%, initiator 4% 10%, reactive diluent 52% 70%, surfactant 0.1% 2%, auxiliary agent 0.1% 2%;The present invention can be used in industrial production, one pass ink jet printings, and print speed printing speed is 80m/min~100m/min, keeps printing smooth, and with ink is not flown, quick solidifying, energy is low, the features such as sun-proof performance is good.

Description

Light infrared absorption UV-LED ink-jet inks and preparation method thereof
Technical field
The present invention relates to a kind of false proof UV-LED inks for ink jet printing.
Background technology
The infrared ink-jet ink of light color is that infrared absorbing material is dissolved or dispersed in ink-jet ink system, Make it have the feature of infrared absorption.With the fast development of anti-counterfeiting technology and ink-jet technology, common Anti-counterfeiting ink can not meet actual demand, such as fluorescent ink, and the research and development of infrared absorption ink-jet ink This vacancy can be filled up.The signs such as label, bar code, the point coding printed with infrared ink-jet ink, It can be read and follow the trail of under special recognition instrument, and with the naked eye None- identified, play certain false proof and anti- The effect of destruction.
At present, infrared absorbing dye is generally cyanine type dye, its sun-proof poor-performing, is printed on the packaging, Requirement of the printing to the resistance to physical and chemical performance of sun-proof can not be met, for the application field meeting of infrared ink-jet ink Have certain restricted, also can not preferably protect its security feature.
The content of the invention
It is an object of the invention to provide a kind of light infrared absorption UV-LED ink-jet inks and its preparation side Method, to overcome the shortcoming that prior art is present.
The ink-jet ink of the present invention, is made up of the component of following percentage by weight:
Described infrared absorbing dye is perylene kinds dyestuff, and such as BASF AG's trade mark is IR788 Product, molecular weight is about 200~1000, absorbing wavelength be 720~790nm.
It is preferred that, ink-jet ink of the invention is made up of the component of following percentage by weight:
Described reactive diluent is that viscosity is not high under the monomer of simple function group and/or difunctional, normal temperature In 10mpas.There is stronger dissolubility and stability to perylene kinds dyestuff, selected from tetrahydrofuran One or more in acrylate, DPG acrylate or tri (propylene glycol) diacrylate;
It is preferred that, described reactive diluent is tetrahydrofuran acrylate and DPG acrylate Mixture, weight ratio is:
Tetrahydrofuran acrylate: DPG acrylate=30: 36=1:0.9~1.2;
Described light trigger is LED light curing initiator, and the long-wave band for LED is excited, Absworption peak is 350nm~395nm, selected from alpha-alcohol ketone, α-amido ketone, monoacyl phosphine or diacyl One or more in phosphine;
It is preferred that, described light trigger is bisacyl phospine and the mixture of α-amido ketone, and weight ratio is:
3:2=1:0.6~0.7
Or:
The mixture of monoacyl phosphine and α-amido ketone, weight ratio is:
2.5:4=1:1.5~2
The prepolymer is difunctional and/or multi-functional polymer, and polymer polymerizing speed is fast, Reactivity is strong, and viscosity is relatively low, selected from polyether acrylate, polyethylene glycol acrylate or fat One or more in race's epoxy acrylate.
The surfactant is organic silicon modified by polyether class, and such as BYK companies trade mark is 333 product, Surface tension and anti-shrinkage cavity can effectively be reduced, it is ensured that the print quality of printing.
Described auxiliary agent is fluorine richness polysiloxanes, such as auxiliary agent company of China trade mark is HX-2030 production Product;
The preparation method of the light infrared absorption UV-LED ink-jet inks is as follows:
Each component is stirred and mixed, is stood, used membrane filtration, you can product is obtained;Ink glues It is 10~30mpas when spending 25 DEG C, surface tension is 20~40mN/m, tests its particle diameter and is less than 200nm。
The present invention is the false proof UV-LED ink-jet inks containing characteristic infrared absorption, and the ink contains closely Infrared absorbing dye, initiator, reactive diluent, prepolymer, surfactant, auxiliary agent.The ink The anti-counterfeiting characteristic of water is light infrared absorption, and stealth can not under visible spectrum for the good printing of ink printed See, can recognize that on specific infrared identification device.It is false proof suitable for stealth point coding, also it can be printed in On coloured media, do not influence to increase antiforge function on the basis of script color.The average grain diameter of ink is small In 200nm, particle diameter is smaller, is difficult plug.Viscosity is 10~30mpas, and viscosity is relatively low to be caused Fly ink, the too high influence printing fluency of viscosity.Ink dried mode is that LED solidifies drying, LED Light source is spot light, line source or area source, the emission band of light source be 375nm, 385nm, 390nm, One or more in 395nm.LED solidification energy low energy consumption expenses are less, and rate of drying is fast, subtracts Lack the discharge capacity of carbon dioxide, and LED heating is few, and stock deformation is not easily caused.In solidification Speed is can be completely dried under 50m/min~100m/min printing condition, printing sun-proof after solidification is resistance to Friction, chemical-resistance is preferable.The ink can be used in industrial production, one pass ink jet printings, Print speed printing speed is 80m/min~100m/min, keeps printing smooth, with not winged ink, quick solidifying, energy Measure low, the features such as sun-proof performance is good.
Embodiment
Below by embodiment, the invention will be further described.Technical scheme described in the embodiment of the present invention It is only used for further illustrating technical scheme, and cannot function as limitation of the present invention, in the structure of the present invention The simple modifications of technical solution of the present invention are belonged to the scope of protection of present invention under the premise of think of.
Embodiment 1
Light infrared absorption UV-LED ink-jet inks, its formula is as follows:
Preparation method:Each component is mixed, stands, is filtered with positive-pressure filter unit, fenestra is filtered Footpath is 0.45 μm, and light infrared absorption UV-LED ink-jet inks are obtained after filtering.
The every physical index of ink is surveyed, it is as follows:
Viscosity (25 DEG C):21mpa·s
Surface tension:22mN/m
Particle diameter:Z-Average 122nm, PDI 0.135
The ink is used for Ricoh's shower nozzle GEN4 spray printings, and print speed printing speed is 50m/min, prints fluency It is good, without direct LED after ink, spray printing is flown, it is fully cured, can be distinguished with infrared identification instrument, lines Figure line is clear.
Embodiment 2
Light infrared absorption UV-LED ink-jet inks, its formula is as follows:
Preparation method:By formula by perylene kinds infrared absorbing dye, tetrahydrofuran acrylate, DPG acrylate, polyethylene glycol acrylate, monoacyl phosphine, α-amido ketone, surface-active Agent, auxiliary agent are sequentially added in container by proportioning, stir 30min, rotating speed control is in 500r/min, mixing System is in transparent and homogeneous cyan afterwards.30min is stood after stirring, is filtered with positive-pressure filter unit, filter membrane Aperture is 0.45 μm, and light infrared absorption UV-LED ink-jet inks are obtained after filtering.
The every physical index of ink is surveyed, it is as follows:
Viscosity (25 DEG C):24mpa·s
Surface tension:21mN/m
Particle diameter:Z-Average 110nm, PDI 0.120
The ink is used for Ricoh's shower nozzle GEN4 spray printings, and print speed printing speed is 50m/min, prints fluency It is good, without flying directly to cross LED after ink, spray printing, it is fully cured, can be distinguished with infrared identification instrument, line Bar figure line is clear.

Claims (10)

1. light infrared absorption UV-LED ink-jet inks, it is characterised in that by following percentage by weight Component composition:
The percentage sum of each component is 100%;
Described infrared absorbing dye is perylene kinds dyestuff, and molecular weight is about 200~1000, is absorbed Wavelength is 720~790nm.
2. light infrared absorption UV-LED ink-jet inks according to claim 1, its feature exists In being made up of the component of following percentage by weight:
The percentage sum of each component is 100%.
3. light infrared absorption UV-LED ink-jet inks according to claim 1 or 2, it is special Levy and be, described reactive diluent is tetrahydrofuran acrylate, DPG acrylate or two One or more in contracting tripropylene glycol diacrylate.
4. light infrared absorption UV-LED ink-jet inks according to claim 3, its feature exists In, described reactive diluent is the mixture of tetrahydrofuran acrylate and DPG acrylate, Weight ratio is:Tetrahydrofuran acrylate: DPG acrylate=30: 36=1:0.9~1.2.
5. light infrared absorption UV-LED ink-jet inks according to claim 1, its feature exists In, described light trigger be alpha-alcohol ketone, α-amido ketone, in monoacyl phosphine or bisacyl phospine It is one or more.
6. light infrared absorption UV-LED ink-jet inks according to claim 5, its feature exists In described light trigger is bisacyl phospine and the mixture of α-amido ketone, and weight ratio is:
6.3:2=1:0.6~0.7;
Or be:
The mixture of monoacyl phosphine and α-amido ketone, weight ratio is:2.5:4=1:1.5~2.
7. light infrared absorption UV-LED ink-jet inks according to claim 1 or 2, it is special Levy and be, the prepolymer is polyether acrylate, polyethylene glycol acrylate or aliphatic epoxy third One or more in olefin(e) acid ester.
8. light infrared absorption UV-LED ink-jet inks according to claim 1 or 2, it is special Levy and be, the surfactant is organic silicon modified by polyether.
9. light infrared absorption UV-LED ink-jet inks according to claim 1 or 2, it is special Levy and be, described auxiliary agent is fluorine richness polysiloxanes.
10. the light infrared absorption UV-LED ink-jet inks according to any one of claim 1~9 Preparation method, it is characterised in that comprise the following steps:Each component is stirred and mixed, is stood, Used membrane filtration, you can obtain product.
CN201610331518.2A 2016-05-18 2016-05-18 Light infrared absorption UV-LED ink-jet inks and preparation method thereof Pending CN107118611A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109517443A (en) * 2019-01-09 2019-03-26 上海连洋印刷科技发展有限公司 The infrared absorption UV of lower shrinkage containing microcapsules solidifies anti-fake jet ink and preparation method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101128551A (en) * 2005-03-01 2008-02-20 惠普开发有限公司 A system and a method for UV curable ink having infrared sensitivity
CN103525194A (en) * 2013-09-29 2014-01-22 山东德创喷墨科技有限公司 LED photocuring spraying ink and application thereof in pattern recorder
CN103627251A (en) * 2013-11-20 2014-03-12 张家港任发化工材料有限公司 Anti-forgery ink
CN104910680A (en) * 2015-05-26 2015-09-16 中钞油墨有限公司 UV-cured numbering ink with LED as light source
CN104974053A (en) * 2015-06-24 2015-10-14 天津久日化学股份有限公司 Novel aminoketones photoinitiator and application in UV-LED photocuring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101128551A (en) * 2005-03-01 2008-02-20 惠普开发有限公司 A system and a method for UV curable ink having infrared sensitivity
CN103525194A (en) * 2013-09-29 2014-01-22 山东德创喷墨科技有限公司 LED photocuring spraying ink and application thereof in pattern recorder
CN103627251A (en) * 2013-11-20 2014-03-12 张家港任发化工材料有限公司 Anti-forgery ink
CN104910680A (en) * 2015-05-26 2015-09-16 中钞油墨有限公司 UV-cured numbering ink with LED as light source
CN104974053A (en) * 2015-06-24 2015-10-14 天津久日化学股份有限公司 Novel aminoketones photoinitiator and application in UV-LED photocuring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109517443A (en) * 2019-01-09 2019-03-26 上海连洋印刷科技发展有限公司 The infrared absorption UV of lower shrinkage containing microcapsules solidifies anti-fake jet ink and preparation method

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CB02 Change of applicant information

Address after: 288 Xiuyan Road, Pudong New Area, Shanghai, 201315

Applicant after: CHINA BANKNOTE INK Co.,Ltd.

Applicant after: China Banknote Printing and Minting Group Co.,Ltd.

Address before: 288 Xiuyan Road, Pudong New Area, Shanghai, 201315

Applicant before: CHINA BANKNOTE INK Co.,Ltd.

Applicant before: CHINA BANKNOTE PRINTING AND MINTING Corp.

CB02 Change of applicant information
RJ01 Rejection of invention patent application after publication

Application publication date: 20170901

RJ01 Rejection of invention patent application after publication