CN109291674A - A kind of not reproducible antifalsification label and preparation method thereof based on inkjet printing - Google Patents
A kind of not reproducible antifalsification label and preparation method thereof based on inkjet printing Download PDFInfo
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- CN109291674A CN109291674A CN201811175235.9A CN201811175235A CN109291674A CN 109291674 A CN109291674 A CN 109291674A CN 201811175235 A CN201811175235 A CN 201811175235A CN 109291674 A CN109291674 A CN 109291674A
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- antifalsification label
- reproducible
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- 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
-
- 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
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
The invention belongs to antifalsification label field of material technology, and in particular to a kind of not reproducible antifalsification label based on inkjet printing, ink formulation and processing substrate including antifalsification label.Specifically: step S1: prepare the ink containing anti-fake material；Step S2: antifalsification label substrate is surface modified；Step S3: by prepared anti-fake material ink print on demand on the substrate of modified, drying and forming-film.The strategy that the present invention prepares antifalsification label has simple and reliable process, it is low in cost, stock utilization is high, it is environmentally protective, not reproducible, anti-fake rank capacity is adjustable, to anti-fake material and substrate good compatibility, it can be conducive to the universal and industrialization of not reproducible antifalsification label simultaneously with colorization, patterning.
Description
Technical field
The invention belongs to antifalsification label technical fields, and in particular to a kind of not reproducible anti-counterfeiting label based on inkjet printing
Label.
Background technique
Fake and forged commodity is a global problem, to personal, enterprise and composition of society's security threat and causes great economy
Loss.In in the past few decades, fake products spreads to drug and high-tech product from common consumer product.Although mostly
Number product has the protection of anti-counterfeiting technology, but the global economy loss of fake products is increasing every year, it is contemplated that reaches within 2015
1.7 trillion dollars.Spread unchecked a major reason for fake products is: the security level of antifalsification label and production label expend at
This contradiction.That is, high level irreproducible label is safer, but cost is too high-leveled and difficult a large amount of to spread to
Above product；And common label is although at low cost, but be easy to be replicated.
Summary of the invention
It is an object of the invention to develop a kind of compatible antifalsification label non-reproduction and low-cost novel strategy.This
Invention is prepared for having using the characteristic of micro Nano material ink random pinning film forming on the substrate for being modified with random pinning point
Simple and reliable process, low in cost, stock utilization is high, and environmentally protective, not reproducible, anti-fake rank capacity is adjustable, to anti-fake
Material and substrate good compatibility, while not reproducible anti-counterfeiting label can be greatly promoted with colorization, patterned antifalsification label
The universal and industrialization of label.
The present invention is realized using following scheme: a kind of preparation method of the not reproducible antifalsification label based on inkjet printing,
Include the following steps:
Step S1: the ink containing anti-fake material is prepared；
Step S2: antifalsification label substrate is surface modified；
Step S3: by prepared anti-fake material ink print on demand on the substrate of modified, drying and forming-film.
A kind of not reproducible antifalsification label based on inkjet printing, anti-fake material are the micro-nano with optical characteristics
Rice material, including spherical, rodlike, plate-like, one kind or mixing of ellipsoid and other special-shaped micro-nano granules；Micro-nano granules
Having a size of 2-5000 nm.
Wherein have the micro Nano material of optical characteristics for up-conversion, fluorescent material, the one of plasmon material
Kind or mixing.
It is 0.1 wt% -80 wt% that wherein micro Nano material, which accounts for the mass number range of the micro Nano material ink,；Ink
Solvent is single solvent or mixed solvent, and wherein at least one boiling point is higher than 80 DEG C；Ink viscosity is less than 100 cp.
Described be surface modified to antifalsification label substrate specially modifies one layer of micro nano structure for having random scatter；
The micro nano structure is the random film forming of polymer or micro-nano granules random scatter surface or sputters the irregular of formation
Surface.Antifalsification label finishing coat is 50 with a thickness of 5-500000 nm, the micro nano structure scale of surface random scatter
- 500000 nm。
The micro nano structure of the surface random scatter is scratched by sputtering, spin coating, is sprayed, printing, in silk-screen printing
Any one method is realized；The micro nano structure of surface random scatter is crackle, micro-nano granules, convex-concave surface, heterogeneous phase
Any one of separated structure kind.
Wherein the carrier substrate of antifalsification label is stretchable or flexible extensible the fiber of rigidity.
Remarkable advantage of the invention is:
The strategy that the present invention prepares antifalsification label has simple and reliable process, low in cost, and stock utilization is high, environmentally protective,
Not reproducible, anti-fake rank capacity is adjustable, to anti-fake material and substrate good compatibility, while can be with colorization, patterning, favorably
In the universal and industrialization of not reproducible antifalsification label.
Detailed description of the invention
Fig. 1 is antifalsification label preparation flow figure of the invention；
Fig. 2 is the structural schematic diagram after antifalsification label substrate modification of the invention；
Fig. 3 is the printing schematic diagram of anti-fake material ink of the invention on modification metacoxal plate；
Fig. 4 is the fluorescence photo after anti-fake material ink of the invention is dry on modification metacoxal plate.
Specific embodiment
A kind of not reproducible antifalsification label based on inkjet printing of the present invention is illustrated with reference to the accompanying drawings and embodiments.
The present invention provides preferred embodiment, but should not be considered limited to embodiment set forth herein.In the figure for clear amplification
The thickness of layer and region, but should not be considered as schematic diagram the proportionate relationship for strictly reflecting geometric dimension.
Fig. 2 is the structural schematic diagram after antifalsification label substrate modification of the invention.Wherein, 100 be antifalsification label base
Plate, 110 be decorative layer.The substrate of antifalsification label after modification is for the inkjet printing in Fig. 3.Prepared anti-fake material ink
It is sprayed from nozzle 130, forms 120 single ink droplets, and deposited on the substrate after modification, drying and forming-film.Film forming after drying
As shown in figure 4, the anti-fake material drop pattern 140 after each drying is different, show based on this tactful antifalsification label not
Reproducibility.
It is the schematic diagram of idealized embodiments of the invention with reference to figure herein, embodiment shown in the present invention should not be recognized
For the specific shape for being only limitted to region shown in figure, but including obtained shape, such as deviation caused by manufacturing.
Anti-fake material is the micro Nano material with optical characteristics, including spherical, rodlike, plate-like, ellipsoid and other
One kind or mixing of special-shaped micro-nano granules；The material system of micro Nano material, size, shape, if doping, surface ligand with
And the viscosity of ink, surface tension, mixed proportion form a film environment according to printer apparatus, printing technology to adjust.
One layer of antifalsification label substrate modification with random scatter micro nano structure can be crackle, micro-nano granules,
Convex-concave surface, heterogeneous phase separation structure；Its thickness, scale, pattern, wetability, anti-fake material-substrate interaction force and its
Preparation process is unlimited described in text, and those skilled in the art can be according to the anti-fake material type in practical preparation process, ink
System, aftertreatment technology select suitable substrate modification.
It hereinafter, will be according to the following examples more detailed description present invention.But these embodiments are to say
It is provided for the sake of bright, should not regard as and limit the scope of the present invention.
Embodiment 1
A kind of quantum dot ink based on inkjet printing, specific steps are as follows:
Decane (174 DEG C of boiling point), toluene water removal purification are stand-by.
The rodlike ZnSe/ZnS core-shell structure of red with oleyl amine oleic acid ligand is added into decane with mass fraction 2wt%
Quantum dot, 5 nm of diameter, length are 8 nm, and to being uniformly dispersed, filtering is stand-by for concussion.
A kind of preparation of the not reproducible antifalsification label based on inkjet printing, specifically:
Polymetylmethacrylate powder is dissolved in (8mg/ml), 60 DEG C of stirring 2h in the toluene after water removal, and is spin-coated on
On glass substrate, revolving speed is 2000 revolutions per minute, and then 120 DEG C of annealing are stand-by.
By configured quantum dot ink with 90 pl, the speed of 2 m/s is ejected on the glass substrate after modification, natural
It is dry.
Embodiment 2
Cyclodecane (201 DEG C of boiling point), toluene water removal purification are stand-by.
The rodlike ZnSe/ZnS core-shell structure of red with oleyl amine oleic acid ligand is added into decane with mass fraction 2wt%
Quantum dot, 5 nm of diameter, length are 8 nm, and to being uniformly dispersed, filtering is stand-by for concussion.
PMMA powder is dissolved in (8mg/ml), 60 DEG C of stirring 2h in the toluene after water removal, and spin coating is on the glass substrate, turns
Speed is 2000 revolutions per minute, and then 120 DEG C of annealing are stand-by.
By configured quantum dot ink with 90 pl, the speed of 2 m/s is ejected on the glass substrate after modification, natural
It is dry.
Embodiment 3
Decane (174 DEG C of boiling point), toluene water removal purification are stand-by.
The rodlike ZnSe/ZnS core-shell structure of red with oleyl amine oleic acid ligand is added into decane with mass fraction 2wt%
Quantum dot, 5 nm of diameter, length are 8 nm, and to being uniformly dispersed, filtering is stand-by for concussion.
A kind of preparation of the not reproducible antifalsification label based on inkjet printing, specifically:
Polystyrene PS powder is dissolved in (8mg/ml), 60 DEG C of stirring 2h in the toluene after water removal, and is spin-coated on glass substrate
On, revolving speed is 2000 revolutions per minute, and then 120 DEG C of annealing are stand-by.
By configured quantum dot ink with 90 pl, the speed of 2 m/s is ejected on the glass substrate after modification, natural
It is dry.
Embodiment 4
A kind of quantum dot ink based on inkjet printing, specific steps are as follows:
Decane (174 DEG C of boiling point), toluene water removal purification are stand-by.
The rodlike ZnSe/ZnS core-shell structure of red with oleyl amine oleic acid ligand is added into decane with mass fraction 2wt%
Quantum dot, 5 nm of diameter, length are 8 nm, and to being uniformly dispersed, filtering is stand-by for concussion.
A kind of preparation of the not reproducible antifalsification label based on inkjet printing, specifically:
PMMA powder is dissolved in (8mg/ml), 60 DEG C of stirring 2h in the toluene after water removal, and spin coating is on flexible substrates, revolving speed is
2000 revolutions per minute, then 120 DEG C of annealing are stand-by.
By configured quantum dot ink with 90 pl, the speed of 2 m/s is ejected on the glass substrate after modification, natural
It is dry.
Embodiment 5
Decane (174 DEG C of boiling point), toluene water removal purification are stand-by.
The green CsPbBr with oleyl amine oleic acid ligand is added into decane with mass fraction 2wt%3Nano particle, partial size
12 nm, to being uniformly dispersed, filtering is stand-by for concussion.
A kind of preparation of the not reproducible antifalsification label based on inkjet printing, specifically:
PMMA powder is dissolved in (8mg/ml), 60 DEG C of stirring 2h in the toluene after water removal, and spin coating is on the glass substrate, revolving speed is
2000 revolutions per minute, then 120 DEG C of annealing are stand-by.
By configured quantum dot ink with 90 pl, the speed of 2 m/s is ejected on the glass substrate after modification, natural
It is dry.
Embodiment 6
Decane (174 DEG C of boiling point), chlorobenzene purification are stand-by.
The green CsPbBr with oleyl amine oleic acid ligand is added into decane with mass fraction 2wt%3Nano particle, partial size
12 nm, to being uniformly dispersed, filtering is stand-by for concussion.
A kind of preparation of the not reproducible antifalsification label based on inkjet printing, specifically:
PMMA powder is dissolved in chlorobenzene (8mg/ml), 60 DEG C of stirring 2h, and spin coating is on the glass substrate, revolving speed is 2000 turns
Every point, then 120 DEG C of annealing；The gold nano grain that partial size is 100 nanometers is spin-coated on PMMA surface, drying of annealing.
By configured quantum dot ink with 90 pl, the speed of 2 m/s is ejected on the glass substrate after modification, natural
It is dry.
Claims (9)
1. a kind of preparation method of the not reproducible antifalsification label based on inkjet printing, characterized by the following steps:
Step S1: the ink containing anti-fake material is prepared；
Step S2: antifalsification label substrate is surface modified；
Step S3: by prepared anti-fake material ink print on demand on the substrate of modified, drying and forming-film.
2. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 1, feature
It is, the ink includes the micro Nano material and organic solvent with optical characteristics；Wherein micro Nano material is upper conversion
Material, fluorescent material, one kind or mixing of plasmon material.
3. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 2, feature
It is, the micro Nano material includes spherical, rodlike, plate-like, one kind or mixed of ellipsoid and other special-shaped micro-nano granules
It closes；Micro-nano granules are having a size of 2-5000 nm.
4. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 2, feature
It is, the mass number range that the micro Nano material accounts for the ink is 0.1 wt% -80 wt%.
5. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 2, feature
It is, the organic solvent is single solvent or mixed solvent, and wherein at least one boiling point is higher than 80 DEG C of solvent；Ink is viscous
Degree is less than 100 cp.
6. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 1, feature
It is, described be surface modified to antifalsification label substrate specially modifies one layer of micro nano structure for having random scatter；It is anti-
Pseudo label finishing coat is 50-500000 nm with a thickness of 5-500000 nm, the micro nano structure scale of surface random scatter.
7. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 1, feature
It is, by sputtering, spin coating scratches the micro nano structure of surface random scatter, sprays, printing, any one in silk-screen printing
Kind of method is realized；The micro nano structure of surface random scatter is crackle, micro-nano granules, convex-concave surface, heterogeneous phase separation knot
Any one form in structure.
8. a kind of preparation method of not reproducible antifalsification label based on inkjet printing according to claim 1, feature
It is, the antifalsification label substrate is stretchable or flexible extensible the fiber of rigidity.
9. a kind of a kind of not reproducible antifalsification label based on inkjet printing of method preparation as described in claim 1.
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| CN109291674B CN109291674B (en) | 2020-09-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113506508A (en) * | 2021-08-07 | 2021-10-15 | 河北师范大学 | Super-hydrophobic physical unclonable structural color anti-counterfeiting label and preparation method thereof |
| CN113956869A (en) * | 2021-10-13 | 2022-01-21 | 北京工业大学 | Manufacturing method of dielectric microsphere patterned array up-conversion luminescence flexible film applied to anti-counterfeiting mark |
| CN114107903A (en) * | 2021-11-12 | 2022-03-01 | 中国工程物理研究院电子工程研究所 | Optical PUF (physical unclonable function), and preparation method and application thereof |
| CN114507401A (en) * | 2022-03-17 | 2022-05-17 | 河北师范大学 | Physical unclonable anti-counterfeiting material with decoration function, preparation method thereof and verification method of microcracks |
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| CN113506508A (en) * | 2021-08-07 | 2021-10-15 | 河北师范大学 | Super-hydrophobic physical unclonable structural color anti-counterfeiting label and preparation method thereof |
| CN113956869A (en) * | 2021-10-13 | 2022-01-21 | 北京工业大学 | Manufacturing method of dielectric microsphere patterned array up-conversion luminescence flexible film applied to anti-counterfeiting mark |
| CN113956869B (en) * | 2021-10-13 | 2023-10-27 | 北京工业大学 | Manufacturing method of dielectric microsphere patterned array up-conversion luminescence flexible film applied to anti-counterfeiting mark |
| CN114107903A (en) * | 2021-11-12 | 2022-03-01 | 中国工程物理研究院电子工程研究所 | Optical PUF (physical unclonable function), and preparation method and application thereof |
| CN114507401A (en) * | 2022-03-17 | 2022-05-17 | 河北师范大学 | Physical unclonable anti-counterfeiting material with decoration function, preparation method thereof and verification method of microcracks |
| CN114507401B (en) * | 2022-03-17 | 2023-08-29 | 河北师范大学 | Physical unclonable anti-counterfeiting material with decoration function, preparation method thereof and verification method of microcracks |
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