CN106752378A - A kind of fluorescent ink and preparation method thereof - Google Patents
A kind of fluorescent ink and preparation method thereof Download PDFInfo
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- CN106752378A CN106752378A CN201510666781.2A CN201510666781A CN106752378A CN 106752378 A CN106752378 A CN 106752378A CN 201510666781 A CN201510666781 A CN 201510666781A CN 106752378 A CN106752378 A CN 106752378A
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Abstract
The present invention relates to a kind of fluorescent ink and preparation method thereof, the ink includes following component by weight ratio：Fluorescent material 2~4, solvent I 28~32, polyamide 28~32, solvent II 35~37, auxiliary agent 1, wherein the fluorescent material is obtained by following methods：Rare earth terbium salt, alkali and part 2,6-DHBA are reacted in solvent II I and is obtained.Present invention also offers a kind of preparation method of fluorescent ink, specially a certain amount of fluorescent material of precise, solvent I, solvent II, polyamide and auxiliary agent and appropriate bead are in iron flask, sealing, puts iron flask and disperses 25~35min in oscillator, and filtering is obtained.Fluorescent ink of the invention is formulated benzene-free ketone-free using the fluorescent material that a kind of oil-soluble is good, brightness is high, and invention bright green fluorescence, has the advantages that good versatility, good stability, fluorescence intensity are high and environmentally friendly under ultraviolet light；And fluorescent ink simple production process of the invention, production efficiency are high, are conducive to industrial mass production.
Description
Technical field
The present invention relates to anti-forgery ink field, more particularly to a kind of good stability, fluorescence intensity fluorescent ink high and preparation method thereof.
Background technology
In recent years, as economic continues to develop, fake and forged phenomenon remains incessant after repeated prohibition, and the meaning of anti-counterfeiting technology is more and more important.Presently used anti-counterfeiting technology mainly has anti-forge paper technology, anti-forgery ink technology, anti-counterfeiting printing process and packing technique etc., wherein anti-forgery ink technology is an extremely important field of anti-counterfeit technology, application surface is extremely wide, main to excite color shifting ink, temperature-sensitive anti-forgery ink, chemical reaction color shifting ink, the machine-readable anti-forgery ink of intelligence etc. including ultraviolet excited fluorescence ink, daylight.
Fluorescent Falsification-resistant Ink (hereinafter referred to as fluorescent ink) is disguised strong, it is difficult to copy, it is mainly used in the packages printing of printing and senior tobacco, wine, medicine, the cosmetics of important official document, marketable securities, certificate, currency, ticket, label, trade mark etc. etc., tax chapter on national uniform invoice is mostly printed using fluoresent printing ink, and 100 yuans of China's nineteen ninety version are false proof with regard to being carried out using fluoresent printing ink.
So far, the research of fluorescent ink and report it is more concentrate on offset ink, for example, Yang Yin of Beijing Printing Institute et al. is using inorganic fluorescent material BaCaBO3F:Eu3+, Li+As pigment, it was recently reported that a kind of fluorescence falsification preventing offset ink, red fluorescence is sent under uviol lamp；Xu Baocai of Beijing Institute of Light Industry et al. is using self-control organic fluorescent powder, it was recently reported that show red, yellow, blue, green offset printing fluorescent ink respectively under uviol lamp；Meng Jie of University Of Science and Technology Of Tianjin et al. is using europium complex as fluorescent material, it was recently reported that the offset printing Antiforge fluorescent ink of obvious red fluorescence is presented under uviol lamp, the Pu Donghua of Xi'an University of Technology has carried out the research of offset printing Antiforge fluorescent ink printability.In terms of ink-jet research, more work has been done by the Wei Xian good fortune seminar of Beijing Printing Institute, has probed into influence of the different auxiliary agents to Ultraluminescence jetted ink luminescent properties, Wu Xujie et al. and has probed into blue fluorescent inkjet ink stability.
The anti-fake mark of the best brands of product such as all kinds of senior cigarettes of current in the market, wine, medicine, foods and cosmetics is imprinted in plastic film packaging, it is necessary to largely use gravure Antiforge fluorescent ink, but correlative study and report are few mostly.Yang Jiang once reported a class gravure Antiforge fluorescent ink, use the aromatic hydrocarbon solvents such as toluene, by heating for dissolving fluorescein GG tetrabromofluorescein the organic fluorescence materials mass fraction such as fluorescein YG51 up to 4.5%, and pass through the use time of the addition extension fluorescent material of antioxidant.But today of ink greenization, benzene kind solvent is limited in ink and used, especially forbid being used in closely related gravure ink is packed with food and medicine:Require that dissolvent residual total amount must be less than 5.0mg/m according to GB/T 10004-2008 (be packed for composite plastic film, bag dry laminating, extrusion and be combined-National Standard of the People's Republic of China)2, and benzene kind solvent do not detect；And GB9685-2008 (food containers, packaging material additive use sanitary standard-National Standard of the People's Republic of China) then clear stipulaties benzene, toluene and dimethylbenzene must not be used for food packaging ink.At present, the environmentally friendly class gravure ink solvent used by plastic flexible package is mainly alkoxide, and the organic fluorescence materials solubility to gripping body altogether greatly is limited, significantly impacts the fluorescence intensity and photostability of its made fluorescent ink.
The content of the invention
It is an object of the invention to provide a kind of environmental protection, good stability, fluorescence intensity fluorescent ink high.
In order to solve the problems, such as above-mentioned technology, the technical solution adopted by the present invention is：A kind of fluorescent ink, by weight ratio including following component：Fluorescent material 2~4, solvent I 28~32, solvent II 35~37, polyamide 28~32, auxiliary agent 1；Wherein, the fluorescent material is obtained by following methods：Rare earth terbium salt, alkali and part 2,6-DHBA are reacted the powder that a kind of white is obtained in solvent II I, the powder invents bright green glow under ultraviolet light.
Preferably, fluorescent material 2, solvent I 30, solvent II 37, polyamide 30, auxiliary agent 1.
Preferably, the rare earth terbium salt is nitrate or villaumite, and the alkali is NaOH or potassium hydroxide.
Preferably, the solvent is made up of isopropanol and hexahydrotoluene, and ratio is 1：1.
Preferably, the auxiliary agent is made up of slipping agent and antiwear agents, and the ratio of the slipping agent and antiwear agents is 1：1.
Preferably, the solvent II I is the mixture of water or ethanol or water and ethanol.
Preferably, the slipping agent is cured powder.
Preferably, the antiwear agents are erucyl amide resin.
Present invention also offers a kind of method for preparing above-mentioned fluorescent ink, including：In iron flask, sealing is put iron flask and disperses 25~35min in oscillator, and filtering is obtained for a certain amount of fluorescent material of precise, solvent, n-butanol, polyamide and auxiliary agent and appropriate bead.
Preferably, the jitter time is 30min.
The self-control fluorescent material brightness that fluorescent ink of the invention is used is high, and in content only 2%, the fluorescence intensity of its made most strong emission peak of fluorescent ink print sample can meet market demands already close to the fluorescence intensity of the commercially available most strong emission peak of certain fluorescent ink print sample；The fluorescent material oil-soluble is good, good dispersion, it is not easy to precipitate, and fineness can be less than 15 microns after only dispersion half an hour, and distribution of particles, than more uniform (Fig. 1), this brings production efficiency higher.
Fluorescent ink of the invention improves the feature of environmental protection of ink using the formula of benzene-free ketone-free.
Fluorescent ink of the invention can print in Plastic film surfaces such as PE, OPP, PET and NY, form the print sample of water white transparency, good concealment, brilliant green fluorescence is sent under ultraviolet medium wave (302nm), special spectral fingerprint can differentiate it from other fluorescent inks, measure 5 grades of light resistance.
Fluorescent ink of the invention uses isopropanol and hexahydrotoluene is solvent II, can significantly improve the frost resistance of fluorescent ink, even if as little as 4 degrees Celsius of temperature still will not freeze.
Because self-control fluorescent material oil-soluble is good, good dispersion need not be heated in fluorescent ink production process of the invention, and a step is completed, and process is simple, production efficiency is high, and preparation method energy-conserving and environment-protective are conducive to industrial mass production.
Beneficial effects of the present invention：The invention provides the fluorescent material that a kind of oil-soluble is good, brightness is high, the ink formulations for using it for benzene-free ketone-free are obtained a kind of gravure ink of the bright green fluorescence of invention under ultraviolet light, solve the problems, such as that existing non-warning fault solvent type photogravure fluorescent ink is low with fluorescence intensity using the photostability difference that organic fluorescence materials are caused；The present invention is solvent II by using isopropanol and hexahydrotoluene, relative to the patent (application number 201410086997.7) to China, improves the frost resistance of ink；The fluorescent ink that the present invention is provided has the advantages that antifalse effect is good, versatility is good, stability is strong, fluorescence intensity is high and environmentally friendly.A kind of preparation method the invention provides energy-conserving and environment-protective obtains fluorescent ink, and without heating, simple production process, production efficiency are high.
Brief description of the drawings
Fig. 1 is 240 times of photos of amplification under ink print sample ultraviolet light of the present invention.
Specific embodiment
Embodiment 1
A kind of fluorescent ink, including following components：Fluorescent material (2%), solvent II (37%) and polyamide (30%), n-butanol (30%), cured powder 0.5% and erucyl amide resin 0.5%.
Wherein, prepared by fluorescent material：By rare earth terbium salt (nitrate or villaumite), alkali (NaOH or hydrogen
Potassium oxide) and the reaction in solvent (mixed solvent of water or ethanol or water and ethanol) of part 2,6-DHBA, a kind of powder of white is obtained, the powder invents bright green glow under ultraviolet light.
Preparation method：The self-control fluorescent material of 2.4 grams of precise, 22.2 grams of isopropanols, 22.2 grams of hexahydrotoluenes, 36 grams of n-butanols, 36 grams of polyamides, 0.6 gram of cured powder and 0.6 gram of erucyl amide resin and 30 grams of beades are in iron flask, sealing, put iron flask to disperse 30 minutes in oscillator, filter to obtain a kind of fluorescent ink.
Embodiment 2
A kind of fluorescent ink, including following components：Fluorescent material (4%), solvent II (35%) and polyamide (30%), n-butanol (30%), cured powder 0.5% and erucyl amide resin 0.5%.
Wherein, prepared by fluorescent material：By rare earth terbium salt (nitrate or villaumite), alkali (NaOH or potassium hydroxide) and part 2, the reaction in solvent (mixed solvent of water or ethanol or water and ethanol) of 6- dihydroxy-benzoic acids, a kind of powder of white is obtained, the powder invents bright green glow under ultraviolet light.
Preparation method is same as Example 1
Embodiment 3
A kind of fluorescent ink, including following components：Fluorescent material (3%), solvent II (36%) and polyamide (28%), n-butanol (32%), cured powder 0.5% and erucyl amide resin 0.5%.
Wherein, prepared by fluorescent material：By rare earth terbium salt (nitrate or villaumite), alkali (NaOH or potassium hydroxide) and part 2, the reaction in solvent (mixed solvent of water or ethanol or water and ethanol) of 6- dihydroxy-benzoic acids, a kind of powder of white is obtained, the powder invents bright green glow under ultraviolet light.
Preparation method is same as Example 1.
The technical scheme for being provided the embodiment of the present invention above is described in detail, specific case used herein is set forth to the principle and implementation method of the embodiment of the present invention, and the explanation of above example is only applicable to help the principle for understanding the embodiment of the present invention；Simultaneously for those of ordinary skill in the art, according to the embodiment of the present invention, be will change in specific embodiment and range of application, in sum, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of fluorescent ink, it is characterised in that by weight ratio including following component：Fluorescent material 2~4, gathers
Amide resin 28~32, solvent I 28~32, solvent II 35~37, auxiliary agent 1；
The fluorescent material is obtained by following methods：By rare earth terbium salt, alkali and part 2,6-DHBA
Reacted in solvent II I and be obtained.
2. according to power require 1 described in a kind of fluorescent ink, it is characterised in that by weight ratio including such as the following group
Point：Fluorescent material 2, polyamide 30, solvent I 30, solvent II 37, auxiliary agent 1.
3. a kind of fluorescent ink according to claims 1 to 2, it is characterised in that：The solvent I is positive fourth
Alcohol.
4. a kind of fluorescent ink according to claims 1 to 2, it is characterised in that：The solvent II is by isopropyl
Alcohol and hexahydrotoluene are constituted, and ratio is 1：1.
5. a kind of fluorescent ink according to claims 1 to 2, it is characterised in that：The solvent II I be water or
The mixture of ethanol or water and ethanol.
6. a kind of fluorescent ink according to Claims 1 to 5 any one, it is characterised in that：The rare earth
Terbium salt is nitrate or villaumite, and the alkali is NaOH or potassium hydroxide.
7. a kind of fluorescent ink according to claim 6, it is characterised in that：The auxiliary agent by slipping agent and
Antiwear agents are constituted, and the ratio of the slipping agent and antiwear agents is 1：1.
8. a kind of fluorescent ink according to claim 6, it is characterised in that：The slipping agent is cured powder.
9. a kind of fluorescent ink according to claim 7, it is characterised in that：The antiwear agents are erucic acid
Amide resin.
10. a kind of fluorescent ink preparation method prepared as described in claim 1~7 any one, its feature exists
In：A certain amount of fluorescent material of precise, solvent I, solvent II, polyamide and auxiliary agent and suitable
The bead of amount in iron flask, put iron flask and disperse 25~35min, filtering system in oscillator by sealing
.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353710A (en) * | 2017-08-21 | 2017-11-17 | 广东轻工职业技术学院 | A kind of Antiforge fluorescent ink composition |
| CN107880768A (en) * | 2017-11-29 | 2018-04-06 | 张家港宝视特影视器材有限公司 | A kind of coating material for plastics curtain and preparation method thereof |
| CN108912841A (en) * | 2018-07-17 | 2018-11-30 | 芜湖倍思科创园有限公司 | A kind of fluorescent ink and preparation method thereof |
| CN109777285A (en) * | 2018-03-09 | 2019-05-21 | 广东轻工职业技术学院 | The antibacterial coating of fluorescence, fluorescence Bactericidal paper and preparation method thereof |
| CN110218484A (en) * | 2019-06-06 | 2019-09-10 | 惠州市随和科技有限公司 | A kind of transparent fluorescent ink-jet and its preparation process |
| CN110591546A (en) * | 2019-09-12 | 2019-12-20 | 广东轻工职业技术学院 | Fluorescent bacteriostatic coated paper |
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| CN104087067A (en) * | 2014-03-11 | 2014-10-08 | 广东轻工职业技术学院 | Novel fluorescent material made gravure table printing fluorescent anti-counterfeit ink |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104087067A (en) * | 2014-03-11 | 2014-10-08 | 广东轻工职业技术学院 | Novel fluorescent material made gravure table printing fluorescent anti-counterfeit ink |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353710A (en) * | 2017-08-21 | 2017-11-17 | 广东轻工职业技术学院 | A kind of Antiforge fluorescent ink composition |
| CN107353710B (en) * | 2017-08-21 | 2020-11-06 | 广东轻工职业技术学院 | Fluorescent anti-counterfeiting ink composition |
| CN107880768A (en) * | 2017-11-29 | 2018-04-06 | 张家港宝视特影视器材有限公司 | A kind of coating material for plastics curtain and preparation method thereof |
| CN109777285A (en) * | 2018-03-09 | 2019-05-21 | 广东轻工职业技术学院 | The antibacterial coating of fluorescence, fluorescence Bactericidal paper and preparation method thereof |
| CN108912841A (en) * | 2018-07-17 | 2018-11-30 | 芜湖倍思科创园有限公司 | A kind of fluorescent ink and preparation method thereof |
| CN110218484A (en) * | 2019-06-06 | 2019-09-10 | 惠州市随和科技有限公司 | A kind of transparent fluorescent ink-jet and its preparation process |
| CN110591546A (en) * | 2019-09-12 | 2019-12-20 | 广东轻工职业技术学院 | Fluorescent bacteriostatic coated paper |
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| CN106752378B (en) | 2020-06-19 |
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