CN109608940A - One kind having a variety of anti-fraud functional pigment flakes and preparation method thereof - Google Patents
One kind having a variety of anti-fraud functional pigment flakes and preparation method thereof Download PDFInfo
- Publication number
- CN109608940A CN109608940A CN201811545324.8A CN201811545324A CN109608940A CN 109608940 A CN109608940 A CN 109608940A CN 201811545324 A CN201811545324 A CN 201811545324A CN 109608940 A CN109608940 A CN 109608940A
- Authority
- CN
- China
- Prior art keywords
- layer
- magnetic resonance
- pigment flakes
- counterfeiting
- absorbed
- 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
Links
Classifications
-
- 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
- C09D11/50—Sympathetic, colour changing or similar inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
-
- 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
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/23—Magnetisable or magnetic paints or lacquers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Credit Cards Or The Like (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
This application discloses one kind to have a variety of anti-fraud functional pigment flakes and preparation method thereof, which includes: at least one layer of reflecting layer, has first surface and the second surface opposite with first surface；First medium layer, is set to the outside of first surface, and first medium layer has the first outer surface；Second dielectric layer, is set to the outside of second surface, and second dielectric layer has the second outer surface；First absorbed layer is set to the outside of the first outer surface；And second absorbed layer, it is set to the outside of the second outer surface；Wherein, at least one layer in reflecting layer, first medium layer, second dielectric layer, the first absorbed layer or the second absorbed layer is the material layer comprising the electromagnetic response function of presetting the magnetic resonance anti-counterfeiting material of content.By the above-mentioned means, while the application realizes pigment flakes changeable colors along with angle function and magnetic function, it may have machine readable two wires antiforge function.
Description
Technical field
This application involves security pigment technical field, more particularly to one kind have a variety of anti-fraud functional pigment flakes and its
Preparation method.
Background technique
In recent years, the optical color variable pigment and magnetic optically pigment of the principle of interference preparation based on plural layers are widely answered
For high-end anti-counterfeit field.It in the prior art, is mostly 5 layers of symmetrical structure used by optically variable pigments: absorbed layer/dielectric layer/anti-
Layer/dielectric layer/absorbed layer is penetrated, related patents have CN1202429C.About magnetic paint, Phillips et al. is all
US4838648 patent describes a kind of thin film magnetic color changing structure, and wherein magnetic material is used as reflecting layer or absorbed layer.
And referred magnetic material is a kind of cobalt-nickel alloy.Structure is absorbed layer/dielectric layer/magnetosphere/dielectric layer/absorbed layer.Together
When the material with electromagnetic response effect, also gradually be applied to anti-counterfeit field.
Present inventor has found the antiforge function list of security pigment in the prior art in long-term R&D process
One, it is easily imitated.Such as patent CN103036034B.Still further aspect, existing security pigment are single antiforge function, a line
It is anti-fake less with the security pigment of the anti-pseudocaustics method in two wires.
Summary of the invention
The application is mainly solving the technical problems that provide a kind of with a variety of anti-fraud functional pigment flakes and its preparation side
Method, the identifying system based on pigment flakes can increase the imitation difficulty of the anti-forgery ink, and then improve the reliability of anti-forgery ink
And safety.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of with a variety of anti-fake function
The pigment flakes of energy, pigment flakes include: at least one layer of reflecting layer, have first surface and the second surface opposite with first surface；
First medium layer, is set to the outside of first surface, and first medium layer has the first outer surface；Second dielectric layer is set to
The outside on two surfaces, second dielectric layer have the second outer surface；First absorbed layer is set to the outside of the first outer surface；And
Second absorbed layer is set to the outside of the second outer surface；Wherein, reflecting layer, first medium layer, second dielectric layer, first absorb
At least one layer in layer or the second absorbed layer is the material comprising the electromagnetic response function of presetting the magnetic resonance anti-counterfeiting material of content
The bed of material.
Wherein, magnetic resonance anti-counterfeiting material include ceramics, high molecular polymer, ferroelectric material, ferrite material, ferromagnetic material or
At least one of metal material.
Wherein, magnetic resonance anti-counterfeiting material is the material with magnetic resonant wave spectral property, wherein pigment flakes receive specific frequency
When the electromagnetic field signal of rate, the atom response electromagnetic field signal of magnetic resonance anti-counterfeiting material simultaneously reflects corresponding magnetic resonance signal.
Wherein, magnetic resonance anti-counterfeiting material is similarly magnetic material, for forming anti-fake figure after carrying out magnetic orientation processing
Case.
Wherein, by mass percentage, the magnetic resonance in the material layer of electromagnetic response function comprising 80%-99% is anti-fake
The optical material of material and 1%-20%；Wherein, optical material includes at least one in aluminium, silver, copper, platinum, tin, titanium, niobium or chromium
Kind and its alloy constituted.
Wherein, by mass percentage, the light of the magnetic resonance anti-counterfeiting material in reflecting layer comprising 90-99% and 1%-10%
Learn material.
Wherein, magnetic resonance anti-counterfeiting material is set in reflecting layer；It by mass percentage, include 80-99% in reflecting layer
Magnetic resonance anti-counterfeiting material and 1%-20% optical material.
Wherein, reflecting layer is the multilayer optical film layer with reflection characteristic, and pigment flakes have first in the first viewing angle
Color has the second color in the second viewing angle, and the second viewing angle is different from the first viewing angle, and the second color is different from
First color.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of based on pigment flakes
Identifying system, identifying system include: to have a variety of anti-fraud functional pigment flakes and magnetic resonance anti-counterfeit recognition equipment as the aforementioned,
In, magnetic resonance anti-counterfeit recognition equipment is used for the electromagnetic field signal to pigment flakes transmitting specific frequency, and electromagnetic field signal is for activating
The atom of magnetic resonance anti-counterfeiting material in pigment flakes, the atom of magnetic resonance anti-counterfeiting material is for responding electromagnetic field signal and reflecting corresponding
Magnetic resonance signal.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of with a variety of anti-fake
The preparation method of the pigment flakes of function, preparation method include: to provide a basal layer；It is sequentially depositing the first absorption on the base layer
Layer, first medium layer, at least one layer of reflecting layer, second dielectric layer and the second absorbed layer；Wherein, reflecting layer, first medium layer,
At least one layer in second dielectric layer, the first absorbed layer or the second absorbed layer is the magnetic resonance anti-counterfeiting material comprising preset ratio
The material layer of electromagnetic response function.
Wherein, it is sequentially depositing the first absorbed layer, first medium layer, at least one layer of reflecting layer, second medium on the base layer
Layer and the second absorbed layer, comprising: form separation layer on the base layer；The first absorbed layer, first Jie are sequentially depositing in separation layer
Matter layer, at least one layer of reflecting layer, second dielectric layer and the second absorbed layer.
The beneficial effect of the application is: being in contrast to the prior art, the application is by by reflecting layer, first medium
It is anti-that at least one layer in layer, second dielectric layer, the first absorbed layer or the second absorbed layer is set as the magnetic resonance comprising default content
Magnetic resonance anti-counterfeiting material is added to the material of electromagnetic response function by the material layer of the electromagnetic response function of pseudo- material, the application
In the material of the bed of material, the material layer of the electromagnetic response function of pigment flakes is made, the imitation difficulty of pigment flakes can be improved.Into
One step, when preparing anti-forgery ink, the pigment flakes that the application can be contained to magnetic resonance anti-counterfeiting material are crushed, then pigment flakes are broken
Piece is mixed with ink to prepare anti-forgery ink, compared to the prior art, can increase the imitation difficulty of the anti-forgery ink, Jin Erti
The reliability and safety of high anti-forgery ink.Simultaneously as the pigment flakes have magnetic resonance security feature and optically variable anti-counterfeiting characteristic,
Therefore, which not only has magnetic resonance security feature, is also equipped with optically variable anti-counterfeiting characteristic, the anti-counterfeiting performance of anti-forgery ink
It greatlys improve.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram that the application has a variety of anti-fraud functional one embodiments of pigment flakes；
Fig. 2 is the structural schematic diagram of identifying system one embodiment of the application based on pigment flakes；
Fig. 3 is the flow diagram for one embodiment of preparation method that the application has a variety of anti-fraud functional pigment flakes；
Fig. 4 is the flow diagram for another embodiment of preparation method that the application has a variety of anti-fraud functional pigment flakes.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
The application provides a kind of pigment flakes, and refering to fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of the application pigment flakes.
The pigment flakes 10 include: the first absorbed layer 11, first medium layer 12, at least one layer of reflecting layer 13, second dielectric layer
14 and second absorbed layer 15.At least one layer of reflecting layer 13 has first surface 13A and the second surface opposite with first surface
13B.First medium layer 12 is set to the outside of first surface 13A, and first medium layer 12 has the first outer surface 12A.Second is situated between
Matter layer 14 is set to the outside of second surface 12B, and second dielectric layer 14 has the second outer surface 14A.The setting of first absorbed layer 11
In the outside of the first outer surface 12A.And second absorbed layer 15 be set to the outside of the second outer surface 14A.Wherein, reflecting layer
13, at least one layer in first medium layer 12, second dielectric layer 14, the first absorbed layer 11 or the second absorbed layer 15 is comprising default
The material layer of the electromagnetic response function of the magnetic resonance anti-counterfeiting material of content.
Specifically, the first absorbed layer 11 and the composition having the same of the second absorbed layer 15, composition be selected from nickel, chromium, copper, cobalt,
Titanium, vanadium, tungsten, tin, silicon, germanium and its alloy；And its physical thickness range in 3nm between 20nm.In a preferred embodiment,
The physical thickness range of one absorbed layer 11 and the second absorbed layer 15 is in 5nm between 8nm.In an additional preferred embodiment,
One absorbed layer 11 and the physical thickness having the same of the second absorbed layer 15.
First medium layer 12 and the composition having the same of second dielectric layer 14 and physical thickness having the same, composition are excellent
Dielectric material of the refractive index less than 2.0 is first selected, such as silica (SiO2) or magnesium fluoride (MgF2).12 He of first medium layer
2 times of quarter-wave of the optical thickness range of second dielectric layer 14 in 400nm design wavelength is to 700nm design wavelength
When 9 times of quarter-wave between.
Wherein, in reflecting layer 13, first medium layer 12, second dielectric layer 14, the first absorbed layer 11 or the second absorbed layer 15
At least one layer be comprising preset content magnetic resonance anti-counterfeiting material electromagnetic response function material layer, by mass percentage
It counts, includes the magnetic resonance anti-counterfeiting material of 1%-10% in the material layer of electromagnetic response function.The magnetic resonance anti-counterfeiting material, passes through
Change material macrostructure and makes the electromagnetic response effect that there is natural material not have.The material is by ceramics, macromolecule
Polymer, ferroelectric material, ferrite material, ferromagnetic material or metal material are made；Preferably by a) ferromagnetic ordering structural material, packet
Iron group element is included, gadolinium, dysprosium in rare earth element；B) antiferromagnetic order structural material includes, including NiO, FeS, MnO,
Mg0.27Fe2.49O4；C) Ferrimagnetic ordered structural material, including RFeO3(DyFeO3、GdFeO3、HoFeO3), YFeO3；D) spiral magnetic
Property has structural material, including rare earth metal such as dysprosium, erbium, thulium, holmium etc.；E) sine wave ordered structural material includes chromium metal and its conjunction
Gold is made.And the material is at room temperature, using the nmr spin echo of the variable frequency to work by incoherent reception mode
Spectrometer device measures within the scope of 20-100MHz, and the material granule can be observed with very strong magnetic resonance signal.
This includes the physical thickness range of the material layer of the electromagnetic response function of the magnetic resonance anti-counterfeiting material of default content
In 10nm between 500nm, such as 10nm, 20nm, 50nm, 100nm, 250nm or 500nm.The material of the electromagnetic response function
The bed of material has reflection characteristic, so that incident ray is absorbed in the material layer of electromagnetic response function with the first absorbed layer 11 or second
It is reflected between layer 15, and then generates optical interference effects.
Since the characteristic of magnetic resonance anti-counterfeiting material is: can be in nuclear magnetic resonance nmr/nuclear quadrupole resonance NQR/ spin echo
The object identified under nuclear magnetic resonance/electron paramagnetic resonance EPR or electron spin resonance ESR/ sequence magnetic resonance/magnetic double resonance effect
Matter.
Wherein: NMR is nuclear magnetic resonance: being the atomic nucleus that magnetic moment is not zero, Cai occurs for the energy level that spins under external magnetic field
Graceful division, the physical process of the radio-frequency radiation of RESONANCE ABSORPTION certain frequency.Nuclear magnetic resonance spectroscopy is one point of spectroscopy
Branch, for resonant frequency in radio-frequency range, corresponding transition is transition of the nuclear spin on core Cai Man energy level.In the narration of the application
In " NMR " represent NMR spectrum (magnetic resonance spectroscopy instrument), " MRI " represents Magnetic resonance imaging (nuclear magnetic scanning instrument).NMR is common
Nmr frequency, chemical shift and the detailed NMR spectrum of sample are obtained in chemistry, physics and pharmaceutical test room；
MRI is usually used in hospital facility and biology laboratory to obtain the nuclear spin number density ρ of human body or biological tissue, SPIN LATTICE relaxation
1-D (one-dimensional), the 2-D (two dimension) or 3-D (three-dimensional) image of Henan time T1 and spin spin relaxation time T2.
The atomic nucleus that NQR is spin quantum number greater than 1/2 by excitation of electromagnetic wave, wave frequency with it is uneven at atomic nucleus
The covibration that the transition between energy level frequency of electric field interaction generates when close.
ESR electron spin resonance is a kind of mr techniques to be risen by unpaired electronic magnetic moment, is research compound
Or in mineral unpaired electron state important tool, be unworthy of with contained in qualitative and quantitative detection material atom or molecule
To electronics, and explore the architectural characteristic of its ambient enviroment.
Sequence magnetic resonance, including ferromagnetic resonance, ferrimagnetic resonance, antiferromagnetic resonance are the one kind for detecting non-zero nuclear-magnetism element
Method.Such as:
Magnetic double resonance, be in solid there are two types of or more be mutually coupled group or magnetic resonance system when, a kind of group or
The magnetic resonance of system can influence the magnetic resonance of another group or system, thus can use one such magnetic resonance to visit
Survey another magnetic resonance.
Using the above magnetic resonance combined effect, the magnetic resonance that magnetic resonance anti-counterfeiting material generates on article is read by identifier
Signal, to identify article genuine-fake.Such as invoice, magnetic resonance anti-counterfeiting material is mixed with ink, is printed in mark, is read with identifier
The resonance digital signal of mark specific position is taken, identifier shows the information such as true from false of bills, type and area.
Magnetic resonance anti-counterfeiting material can also provide magnetic properties for the material layer of electromagnetic response function, i.e. magnetic resonance is anti-fake
Material is magnetic material, and magnetic material is to refer to rearrange under the magnetic orientation effect in magnetic field, and then form magnetic strength
The magnetic material of image is answered, they can keep or not keep permanent magnetism.Since pigment flakes 10 have magnetism, producing
It, can when bank note, valuable document, card, traffic ticket, passport, documentary evidence, current file, expenses of taxation file or Product labelling
To pass through paper or other bases that a shaped magnet is placed on to the magnetic pigment flakes 10 being printed in a liquid-carrier
Seat is below to generate a specific three-D pattern.
Further, magnetosphere combination first medium layer 12 and the first absorbed layer 11 or second dielectric layer 14 and the are combined
Two absorbed layers 15 provide color travel, so that pigment flakes 10 have the first color in the first incident light angle/viewing angle, and
There is the second color different from the first color in the second incident light angle/viewing angle.For example, perpendicular to 10 plane of pigment flakes
It goes observation pigment flakes 10 can be brighter, goes observation pigment flakes 10 can be darker along horizontal edge.For example, from lighting source
Light beam is reflected back observer by the pigment flakes 10 in first area.If pattern tilted to direction shown in arrow,
Pigment flakes 10 in one region will be observed in end face, and light will be reflected by the pigment flakes 10 in second area.In this way,
First viewing angle first area can seem brighter, and second area seems darker, and can invert in the second observation position, the firstth area
It can seem in domain darker, second area can seem brighter.Which provides a kind of obviously optical effects.
It is in contrast to the prior art, the present embodiment is by by reflecting layer 13, first medium layer 12, second dielectric layer
14, at least one layer in the first absorbed layer 11 or the second absorbed layer 15 is set as the magnetic resonance anti-counterfeiting material comprising default content
Magnetic resonance anti-counterfeiting material is added to the material layer of electromagnetic response function by the material layer of electromagnetic response function, the present embodiment
In material, the material layer of the electromagnetic response function of pigment flakes 10 is made, the imitation difficulty of pigment flakes 10 can be improved.Into one
Step ground, when preparing anti-forgery ink, the pigment flakes 10 that the present embodiment can be contained to magnetic resonance anti-counterfeiting material are crushed, then by pigment flakes
10 fragments are mixed with ink to prepare anti-forgery ink, compared to the prior art, can increase the imitation difficulty of the anti-forgery ink, into
And improve the reliability and safety of anti-forgery ink.Simultaneously as there is the pigment flakes 10 magnetic resonance security feature and light to become anti-
Pseudo- characteristic, therefore, the anti-forgery ink not only have magnetic resonance security feature, are also equipped with optically variable anti-counterfeiting characteristic, and anti-forgery ink is prevented
Pseudo- performance also greatlys improve.
In one embodiment, magnetic resonance anti-counterfeiting material includes ceramics, high molecular polymer, ferroelectric material, ferrite material, iron
At least one of magnetic material or metal material.
Preferentially, magnetic resonance anti-counterfeiting material is provided in reflecting layer.
In one embodiment, magnetic resonance anti-counterfeiting material is the material with magnetic resonant wave spectral property, wherein pigment flakes 10 connect
When receiving the electromagnetic field signal of specific frequency, the atom of magnetic resonance anti-counterfeiting material responds electromagnetic field signal and reflects corresponding magnetic and is total to
Shake signal.
Specifically, magnetic resonance anti-counterfeit recognition equipment emits 150M to the article comprising magnetic resonance anti-counterfeiting material by antenna 21
The electromagnetic field signal of Hz, 500M Hz or 900M Hz, electromagnetic field signal activate the atom of magnetic resonance anti-counterfeiting material in pigment flakes 10
To provide magnetic resonance signal response, the atom of magnetic resonance anti-counterfeiting material reflects corresponding magnetic resonance electromagnetic signal, and magnetic resonance is anti-fake
Whether identification equipment is corresponding exclusive magnetic resonance anti-counterfeiting material by receiving the magnetic resonance electromagnetic signal and being sent to identify.
In one embodiment, magnetic resonance anti-counterfeiting material is similarly magnetic material, and magnetic resonance anti-counterfeiting material is used to carry out magnetic
After directional process, security pattern is formed.
Specifically, the first magnetic paint in the first coating being swollen to second coating carries out magnetic orientation, so that the
One magnetic paint is rearranged in the swelling region between first coating and second coating, and then is had needed for formation
Pattern, text or the number of predetermined meanings.
It in one embodiment, by mass percentage, include the magnetic of 80%-99% in the material layer of electromagnetic response function
The optical material of resonance anti-fake material and 1%-20%.
Specifically, include the magnetic resonance anti-counterfeiting material of 80%-99% in the material layer of electromagnetic response function, such as
80%, 85%, 90%, 95% or 99%.Preferably, the magnetic resonance in the material layer of electromagnetic response function comprising 95% is anti-fake
Material.
Include the optical material of 1%-20%, such as 1%, 5%, 10%, 15% in the material layer of electromagnetic response function
Or 20%.Preferably, in the material layer of electromagnetic response function include 5% optical material.Optical material include aluminium, silver, copper,
At least one of platinum, tin, titanium, niobium or chromium and its alloy constituted.
Specifically, reflecting layer 13 can be made into many materials.Material best at present is one or more metals, a kind of
Or various metals alloy or their mixture, this is because their high reflectance and easy to use, but non-gold can also be used
Belong to reflecting material.The non-limiting example of metal material suitable for reflecting layer 13 include aluminium, silver, copper, gold, platinum, tin, titanium, palladium,
Nickel, cobalt, rhodium, niobium, chromium and their alloy.These can be selected according to required color effects.The conjunction in reflecting layer 13
Suitable physical thickness can be fromIt arrivesFor example,
Or
Preferably, reflecting layer 13 is that the material layer of electromagnetic response function includes by mass percentage in reflecting layer 13
The magnetic resonance anti-counterfeiting material of 90-99% and the optical material of 1%-10%.
Specifically, include the magnetic resonance anti-counterfeiting material of 90%-99% in the material layer of electromagnetic response function, such as
90%, 92%, 95%, 97% or 99%.It include the optical material of 1%-10% in the material layer of electromagnetic response function, such as
1%, 3%, 5%, 8% or 10%.
In one embodiment, reflecting layer 13 is the multilayer optical film layer with reflection characteristic, and pigment flakes 10 are in the first observation
Angle has the first color, has the second color in the second viewing angle, and the second viewing angle is different from the first viewing angle, the
Second colors are different from the first color.
Referring to Fig.2, the application provides a kind of identifying system based on pigment flakes 10, which includes: above-mentioned implementation
Pigment flakes 10 and magnetic resonance anti-counterfeit recognition equipment 20 in example.The associated description of pigment flakes 10 specifically refers to above-described embodiment,
This will not be repeated here.
Wherein, magnetic resonance anti-counterfeit recognition equipment 20 is used to emit to pigment flakes 10 electromagnetic field signal of specific frequency, electromagnetism
Field signal is used to activate the atom of magnetic resonance anti-counterfeiting material in pigment flakes 10, and the atom of magnetic resonance anti-counterfeiting material is for responding electromagnetism
Field signal simultaneously reflects corresponding magnetic resonance signal.
Specifically, magnetic resonance signal is electromagnetic wave radiofrequency signal.Magnetic resonance anti-counterfeit recognition equipment 20 may include having antenna
21, radio frequency transmitter circuitry 22, RF receiving circuit 23 and microprocessor unit 24, microprocessor unit 24 control radio-frequency transmissions electricity
Road 22 emits the electromagnetic field signal of specific frequency by antenna 21 to the article of magnetic resonance anti-counterfeiting material, and electromagnetic field signal activates magnetic
The atom of resonance anti-fake material is to provide magnetic resonance signal response；The atom of magnetic resonance anti-counterfeiting material reflects corresponding magnetic resonance electricity
Magnetic signal；RF receiving circuit 23 by antenna 21 receive magnetic resonance electromagnetic signal be sent to microprocessor unit 24 identify whether be
Corresponding exclusive label.Magnetic resonance anti-counterfeit recognition equipment is hand-held magnetic resonance anti-counterfeit recognition machine.
Be in contrast to the prior art, the present embodiment by by reflecting layer 13, first medium layer 12, second dielectric layer
14, at least one layer in the first absorbed layer 11 or the second absorbed layer 15 is set as the magnetic resonance anti-counterfeiting material comprising default content
Magnetic resonance anti-counterfeiting material is added to the material layer of electromagnetic response function by the material layer of electromagnetic response function, the present embodiment
In material, the material layer of the electromagnetic response function of pigment flakes 10 is made, the imitation difficulty of pigment flakes 10 can be improved.Into one
Step ground, when preparing anti-forgery ink, the pigment flakes 10 that the present embodiment can be contained to magnetic resonance anti-counterfeiting material are crushed, then by pigment flakes
10 fragments are mixed with ink to prepare anti-forgery ink, compared to the prior art, can increase the imitation difficulty of the anti-forgery ink, into
And improve the reliability and safety of anti-forgery ink.Simultaneously as there is the pigment flakes 10 magnetic resonance security feature and light to become anti-
Pseudo- characteristic, therefore, the anti-forgery ink not only have magnetic resonance security feature, are also equipped with optically variable anti-counterfeiting characteristic, and anti-forgery ink is prevented
Pseudo- performance also greatlys improve.
Refering to Fig. 3, this there is the preparation method of a variety of anti-fraud functional pigment flakes the following steps are included:
S101: a basal layer is provided.
Specifically, basal layer is rigid basement, for example, the material of basal layer is quartz glass.
S102: it is sequentially depositing the first absorbed layer, first medium layer, at least one layer of reflecting layer, second medium on the base layer
Layer and the second absorbed layer.
Wherein, at least one layer in reflecting layer, first medium layer, second dielectric layer, the first absorbed layer or the second absorbed layer
For the material layer of the electromagnetic response function of the magnetic resonance anti-counterfeiting material comprising preset ratio.
Specifically, in high vacuum conditions, specific light can be pressed on the base layer using physical vaporous deposition (PVD)
It learns film layer design and is sequentially depositing the first absorbed layer, first medium layer, at least one layer of reflecting layer, second dielectric layer and the second absorption
Layer.
Refering to Fig. 4, step S102 the following steps are included:
S201: separation layer is formed on the base layer.
S202: the first absorbed layer, first medium layer, at least one layer of reflecting layer, second dielectric layer are sequentially depositing in separation layer
And second absorbed layer.
Specifically, it is to need to expend for a long time that coating machine, which takes out a high vacuum, the present invention is once reaching high vacuum item
It, can be in rigid basement, with separation layer, the first metal layer, first medium layer, magnetosphere, second dielectric layer, the second metal after part
Layer is the period, repeats vapor deposition 20 to 30 times, even more, thus ensure that effective production time to the maximum extent, greatly improves
Equipment capacity reduces production cost, improves production efficiency.
After being according to said method repeated as many times, the week that multiple separation layers and multiple pigment flakes are stacked is formd in rigid basement
Phase property composite construction.It is to be deposited to finish, which is taken out from vacuum chamber, is placed in specific solvent and carries out organic stripper
Sequence.The periodical composite construction deposited can be stripped down from rigid basement under the action of specific solvent, while make the period
Pigment flakes in property composite construction are separated with separation layer, then collect the pigment flakes of separation.Finally, will be separated with the substrate
It is multiple pigment flakes fragments that the pigment flakes later, which crush,.So that magnetic light-variation film fragment is suitable for being added to ink or coating
In, to provide magnetic, magnetic resonance and changeable colors along with angle characteristic.
The application is described in further detail below in conjunction with embodiment:
Embodiment 1
Pigment flakes include the first absorbed layer being stacked, first medium layer, the first reflecting layer, second dielectric layer, second
Absorbed layer.
By mass percentage, 90-96% magnetic resonance anti-counterfeiting material is added in the first reflecting layer, wherein the first reflection
Layer is aluminium sheet, the magnetic resonance anti-counterfeiting material of addition 95% in aluminium.
Embodiment 2
Pigment flakes include the first absorbed layer being stacked, first medium layer, the first reflecting layer, the second reflecting layer, second
Dielectric layer, the second absorbed layer.
By mass percentage, 90-96% magnetic resonance anti-counterfeiting material is added in the second reflecting layer, wherein the first reflection
Layer is aluminium sheet, the magnetic resonance anti-counterfeiting material of addition 95% in aluminium.
Embodiment 3
Pigment flakes include the first absorbed layer being stacked, first medium layer, the first reflecting layer, the second reflecting layer, third
Reflecting layer, second dielectric layer, the second absorbed layer.
By mass percentage, 90-96% magnetic resonance anti-counterfeiting material is added in third reflecting layer, wherein the first reflection
Layer is aluminium sheet, the magnetic resonance anti-counterfeiting material of addition 95% in aluminium.
The above is only embodiments herein, are not intended to limit the scope of the patents of the application, all to be said using the application
Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain similarly includes in the scope of patent protection of the application.
Claims (11)
1. one kind has a variety of anti-fraud functional pigment flakes, which is characterized in that the pigment flakes include:
At least one layer of reflecting layer has first surface and the second surface opposite with the first surface；
First medium layer, is set to the outside of the first surface, and the first medium layer has the first outer surface；
Second dielectric layer, is set to the outside of the second surface, and the second dielectric layer has the second outer surface；
First absorbed layer is set to the outside of first outer surface；And
Second absorbed layer is set to the outside of second outer surface；
Wherein, the reflecting layer, the first medium layer, the second dielectric layer, first absorbed layer or described second inhale
Receiving at least one layer in layer is the material layer comprising the electromagnetic response function of presetting the magnetic resonance anti-counterfeiting material of content.
2. pigment flakes according to claim 1, which is characterized in that the magnetic resonance anti-counterfeiting material includes ceramics, macromolecule
At least one of polymer, ferroelectric material, ferrite material, ferromagnetic material or metal material.
3. pigment flakes according to claim 1, which is characterized in that
The magnetic resonance anti-counterfeiting material is the material with magnetic resonant wave spectral property, wherein the pigment flakes receive specific frequency
When the electromagnetic field signal of rate, the atom of the magnetic resonance anti-counterfeiting material responds the electromagnetic field signal and reflects corresponding magnetic resonance
Signal.
4. pigment flakes according to claim 3, which is characterized in that
The magnetic resonance anti-counterfeiting material is similarly magnetic material, for forming security pattern after carrying out magnetic orientation processing.
5. pigment flakes according to claim 1, which is characterized in that
By mass percentage, the magnetic resonance in the material layer of the electromagnetic response function comprising 80%-99% is anti-fake
The optical material of material and 1%-20%；
Wherein, the optical material includes the alloy of at least one of aluminium, silver, copper, platinum, tin, titanium, niobium or chromium and its composition.
6. pigment flakes according to claim 5, which is characterized in that
By mass percentage, the institute of the magnetic resonance anti-counterfeiting material in the reflecting layer comprising 90-99% and 1%-10%
State optical material.
7. pigment flakes according to claim 1, which is characterized in that the magnetic resonance anti-counterfeiting material is set to the reflecting layer
In；
By mass percentage, the institute of the magnetic resonance anti-counterfeiting material in the reflecting layer comprising 80-99% and 1%-20%
State optical material.
8. pigment flakes according to claim 1, which is characterized in that
The reflecting layer is the multilayer optical film layer with reflection characteristic, and the pigment flakes have the first face in the first viewing angle
Color, the second viewing angle have the second color, second viewing angle be different from first viewing angle, described second
Color is different from first color.
9. a kind of identifying system based on pigment flakes, which is characterized in that the identifying system includes: as claim 1-8 is any
There is a variety of anti-fraud functional pigment flakes and magnetic resonance anti-counterfeit recognition equipment described in, wherein the magnetic resonance anti-counterfeit recognition
Equipment is used for the electromagnetic field signal to pigment flakes transmitting specific frequency, and the electromagnetic field signal is for activating the pigment flakes
The atom of middle magnetic resonance anti-counterfeiting material, the atom of the magnetic resonance anti-counterfeiting material is for responding the electromagnetic field signal and reflecting phase
The magnetic resonance signal answered.
10. a kind of preparation method with a variety of anti-fraud functional pigment flakes, which is characterized in that the preparation method includes:
One basal layer is provided；
Be sequentially depositing on the basal layer the first absorbed layer, first medium layer, at least one layer of reflecting layer, second dielectric layer and
Second absorbed layer；
Wherein, the reflecting layer, the first medium layer, the second dielectric layer, first absorbed layer or described second inhale
Receive the material layer for the electromagnetic response function that at least one layer in layer is the magnetic resonance anti-counterfeiting material comprising preset ratio.
11. preparation method according to claim 10, which is characterized in that described to be sequentially depositing the first absorption on the basal layer
Layer, first medium layer, at least one layer of reflecting layer, second dielectric layer and the second absorbed layer, comprising:
Separation layer is formed on the basal layer；
The first absorbed layer, first medium layer, at least one layer of reflecting layer, second dielectric layer and the are sequentially depositing in the separation layer
Two absorbed layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545324.8A CN109608940A (en) | 2018-12-17 | 2018-12-17 | One kind having a variety of anti-fraud functional pigment flakes and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545324.8A CN109608940A (en) | 2018-12-17 | 2018-12-17 | One kind having a variety of anti-fraud functional pigment flakes and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109608940A true CN109608940A (en) | 2019-04-12 |
Family
ID=66010261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545324.8A Pending CN109608940A (en) | 2018-12-17 | 2018-12-17 | One kind having a variety of anti-fraud functional pigment flakes and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109608940A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193976A (en) * | 2019-05-30 | 2019-09-03 | 惠州市华阳光学技术有限公司 | A kind of magnetic pigment flakes |
| CN112442287A (en) * | 2020-11-20 | 2021-03-05 | 惠州市华阳光学技术有限公司 | Pigment flakes and inks |
| CN112867405A (en) * | 2019-09-26 | 2021-05-28 | 韩国烟草人参公社 | System and device for generating an aerosol using a plurality of aerosol-generating substrates |
| CN113088905A (en) * | 2021-03-22 | 2021-07-09 | 深圳力合防伪技术有限公司 | Spin echo variation spectrum coating film and preparation method thereof |
| WO2022179030A1 (en) * | 2021-02-24 | 2022-09-01 | 惠州市华阳光学技术有限公司 | Magnetic pigment flake, optically variable ink, and anti-counterfeiting article |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144300A (en) * | 1995-04-02 | 2000-11-07 | Flying Null Limited | Spatial magnetic interrogation |
| CN1459034A (en) * | 2001-03-09 | 2003-11-26 | 西柏控股有限公司 | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition containing said magnetic thin fim interference device |
| CN1748006A (en) * | 2003-02-13 | 2006-03-15 | Jds尤尼弗思公司 | Robust multilayer magnetic pigments and foils |
| CN101393794A (en) * | 2007-09-20 | 2009-03-25 | 中国印钞造币总公司 | Magnetically encoding thin-film material and fabrication method therefor |
| CN102306271A (en) * | 2011-08-05 | 2012-01-04 | 深圳清华大学研究院 | Recognition system based on magnetic resonance anti-counterfeiting material |
| CN104797351A (en) * | 2012-11-09 | 2015-07-22 | 锡克拜控股有限公司 | Irreversibly magnetically induced images or patterns |
| CN106571101A (en) * | 2016-09-24 | 2017-04-19 | 德信嘉邦涂料（深圳）有限公司 | Anti-counterfeiting mark capable of being recognized through presentation of stereoscopic pattern, and manufacture method for same |
-
2018
- 2018-12-17 CN CN201811545324.8A patent/CN109608940A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144300A (en) * | 1995-04-02 | 2000-11-07 | Flying Null Limited | Spatial magnetic interrogation |
| CN1459034A (en) * | 2001-03-09 | 2003-11-26 | 西柏控股有限公司 | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition containing said magnetic thin fim interference device |
| CN1748006A (en) * | 2003-02-13 | 2006-03-15 | Jds尤尼弗思公司 | Robust multilayer magnetic pigments and foils |
| CN101393794A (en) * | 2007-09-20 | 2009-03-25 | 中国印钞造币总公司 | Magnetically encoding thin-film material and fabrication method therefor |
| CN102306271A (en) * | 2011-08-05 | 2012-01-04 | 深圳清华大学研究院 | Recognition system based on magnetic resonance anti-counterfeiting material |
| CN104797351A (en) * | 2012-11-09 | 2015-07-22 | 锡克拜控股有限公司 | Irreversibly magnetically induced images or patterns |
| CN106571101A (en) * | 2016-09-24 | 2017-04-19 | 德信嘉邦涂料（深圳）有限公司 | Anti-counterfeiting mark capable of being recognized through presentation of stereoscopic pattern, and manufacture method for same |
Non-Patent Citations (1)
| Title |
|---|
| 无: "全新概念的尖端防伪技术-核磁共振", 《中国防伪报道》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193976A (en) * | 2019-05-30 | 2019-09-03 | 惠州市华阳光学技术有限公司 | A kind of magnetic pigment flakes |
| CN112867405A (en) * | 2019-09-26 | 2021-05-28 | 韩国烟草人参公社 | System and device for generating an aerosol using a plurality of aerosol-generating substrates |
| CN112867405B (en) * | 2019-09-26 | 2024-04-16 | 韩国烟草人参公社 | Aerosol-generating system, cigarette and aerosol-generating device |
| CN112442287A (en) * | 2020-11-20 | 2021-03-05 | 惠州市华阳光学技术有限公司 | Pigment flakes and inks |
| WO2022179030A1 (en) * | 2021-02-24 | 2022-09-01 | 惠州市华阳光学技术有限公司 | Magnetic pigment flake, optically variable ink, and anti-counterfeiting article |
| EP4079815A4 (en) * | 2021-02-24 | 2023-07-26 | Huizhou Foryou Optical Technology Co., Ltd. | Magnetic pigment flake, optically variable ink, and anti-counterfeiting article |
| CN113088905A (en) * | 2021-03-22 | 2021-07-09 | 深圳力合防伪技术有限公司 | Spin echo variation spectrum coating film and preparation method thereof |
| CN113088905B (en) * | 2021-03-22 | 2022-06-10 | 深圳力合防伪技术有限公司 | Spin echo variation spectrum coating film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109608940A (en) | One kind having a variety of anti-fraud functional pigment flakes and preparation method thereof | |
| CN106999979B (en) | Device and method for orienting plate-shaped magnetic or magnetizable pigment particles | |
| AU2017329651B2 (en) | Apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles | |
| TWI773805B (en) | Assemblies and processes for producing optical effect layers comprising oriented non-spherical oblate magnetic or magnetizable pigment particles | |
| EP1366380B2 (en) | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device | |
| KR20180116244A (en) | Apparatus and method for producing an optical effect layer comprising oriented non-spherical magnetic or magnetizable pigment particles | |
| EP3849711B1 (en) | Processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles | |
| CN108348952A (en) | The manufacturing method of the optical effect layer of magnet assembly and the magnetic or magnetisable granules of pigments of non-spherical comprising orientation | |
| CN103087555B (en) | Microstructure metallic pigment with anti-fake function and preparation method of microstructure metallic pigment | |
| KR102670760B1 (en) | Assembly and process for producing an optical effect layer comprising oriented non-spherical oblate magnetic or magnetisable pigment particles | |
| CN101326434A (en) | Authenticating and identifying objects using nanoparticles | |
| AU2002250945A1 (en) | Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device | |
| KR102670810B1 (en) | Assembly and process for producing an optical effect layer comprising oriented non-spherical oblate magnetic or magnetisable pigment particles | |
| Gregory et al. | Giant magnetic modulation of a planar, hybrid metamolecule resonance | |
| Zhou et al. | Stripe domain and enhanced resonance frequency in ferrite doped FeNi films | |
| US20100090925A1 (en) | Method for adding rf powder and rf powder-added base sheet | |
| CN101393794B (en) | Magnetically encoding thin-film material and fabrication method therefor | |
| WO2010057986A1 (en) | Data storage medium with non-contact readable chip and antenna | |
| Battle et al. | Ca2. 5Sr0. 5GaMn2O8: diamagnetic Ga in control of the structural and electronic properties of a bilayered manganate | |
| Hui et al. | Self-assembled 1-3D Pb (ZrTi) O3-NiFe2O4 magnetoelectric nanocomposite films with narrow FMR linewidth | |
| Michalik et al. | 55Mn NMR observation of colossal magnetoresistance effect in Sm0. 55Sr0. 45MnO3 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |