CN110193976A - A kind of magnetic pigment flakes - Google Patents
A kind of magnetic pigment flakes Download PDFInfo
- Publication number
- CN110193976A CN110193976A CN201910464862.2A CN201910464862A CN110193976A CN 110193976 A CN110193976 A CN 110193976A CN 201910464862 A CN201910464862 A CN 201910464862A CN 110193976 A CN110193976 A CN 110193976A
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- Prior art keywords
- layer
- pigment flakes
- magnetic pigment
- dielectric layer
- magnetic
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
Abstract
This application provides a kind of magnetic pigment flakes, which includes magnetosphere and the first medium layer being cascadingly set in magnetospheric first main surface, reflecting layer, second dielectric layer and the first absorbed layer；Wherein, which uses the material of no biotoxicity.Therefore, the second dielectric layer of the magnetic pigment flakes of the application can be improved the monochromaticjty of the magnetic pigment flakes, magnetic pigment flakes are made to have good colour rendering, simultaneously, the magnetosphere of the magnetic pigment flakes uses the material of no biotoxicity, reduce the pollution to environment and the injury to human body, more health environment-friendly.
Description
Technical field
This application involves magnetic pigment flakes fields, more particularly to a kind of magnetic pigment flakes.
Background technique
Optically variable pigments piece refers to using the principle of optical interference between plural layers, can when observer observes from different perspectives
Different colors is presented.Magnetic optically pigment is that common optically variable pigments have and magnetic material is added in self structure
Magnetic pigment.
Currently used magnetic optically pigment is widely used in high-end tobacco and wine packaging, the packaging such as food packaging, Key works Drug packing
On anti-fake, but the material of magnetic optically pigment generallys use metallic nickel, chromium etc., be easy to cause pollution, unhealthful.
Summary of the invention
The application provides a kind of magnetic pigment flakes, is unfavorable for environmental protection and state to solve magnetic pigment flakes in the prior art
The problem of people's health.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of magnetic pigment flakes, the magnetic
Property pigment flakes include magnetosphere and the first medium layer being cascadingly set in magnetospheric first main surface, reflecting layer,
Second dielectric layer and the first absorbed layer, wherein the magnetosphere uses the material of no biotoxicity.
According to one specific embodiment of the application, magnetospheric second main surface opposite with the first main surface is further successively
It has been stacked third dielectric layer and the second absorbed layer.
According to one specific embodiment of the application, magnetospheric physical thickness range is 10nm to 500nm.
According to one specific embodiment of the application, magnetospheric material is Fe, Fe-Ti alloy, Al-Fe alloy and Fe3O4In
It is at least one.
According to one specific embodiment of the application, the material in reflecting layer is Ag, at least one of Al and Al-Ti alloy.
According to one specific embodiment of the application, first medium layer, second dielectric layer and third dielectric layer are small using refractive index
In or equal to 1.65 material.
According to one specific embodiment of the application, the physical thickness of first medium layer and third dielectric layer is the λ of a quarter
Integral multiple, wherein λ be present monochromatic wavelength.
According to one specific embodiment of the application, the physical thickness range of second dielectric layer is 10nm to 500nm.
According to one specific embodiment of the application, the physical thickness of the first absorbed layer and the second absorbed layer is identical, and physics is thick
Degree range is 2nm to 20nm.
According to one specific embodiment of the application, the first absorbed layer and the second absorbed layer use identical material, wherein first
The material of absorbed layer and the second absorbed layer is Ti, at least one of TiN and TiNx.
The beneficial effect of the application is: be different from related technology, the magnetic pigment flakes of the application include magnetosphere and according to
It is secondary that first medium layer, reflecting layer, second dielectric layer and the first absorbed layer being set in magnetospheric first main surface is laminated；Its
In, which uses the material of no biotoxicity.Therefore, the second dielectric layer of the magnetic pigment flakes of the application can be improved this
The monochromaticjty of magnetic pigment flakes makes magnetic pigment flakes have good colour rendering, meanwhile, magnetosphere uses in the magnetic pigment flakes
The material of no biotoxicity can reduce the pollution to environment and the injury to human body, more health environment-friendly.
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, in which:
Fig. 1 is the structural schematic diagram of one embodiment of the application magnetic pigment flakes；
Fig. 2 is the structural schematic diagram of the another embodiment of the application magnetic pigment flakes；
Fig. 3 is the structural schematic diagram of the experimental group 1 of magnetic pigment flakes shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the control group 1 of magnetic pigment flakes shown in Fig. 3；
Fig. 5 is the experimental group 1 of the embodiment of the present application magnetic pigment flakes and the theoretical reflectance rate contrast schematic diagram of control group 1；
Fig. 6 is the experimental group 1 of the embodiment of the present application magnetic pigment flakes and the actual reflectance contrast schematic diagram of control group 1.
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 the described embodiments are only a part but not all of the embodiments of the present application.Based on this
Embodiment in application, those of ordinary skill in the art's all other reality obtained when not making creative work
Example is applied, the range of the application protection is belonged to.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present application,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present application
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not this application claims protection scope within.
For magnetic pigment flakes in traditional technology mostly using the heavy metal chromium and nickel with bio-toxicity, crome metal and nickel can be right
Human body and environment cause serious injury, and are difficult to decompose in nature.In daily life, if directly connect with skin
Touching, it is understood that there may be some potential safety problems, which results in magnetic pigment flakes to be limited in application range.To solve above-mentioned ask
Topic, the embodiment of the present application provide a kind of magnetic pigment flakes, which uses environment-friendly materials, strong to environmental protection and its people
It is ensured in terms of health.
Refering to fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of the application magnetic pigment flakes.The magnetic pigment flakes include magnetic
Property layer 110 and be cascadingly set in the first main surface (not shown) of magnetosphere 110 first medium layer 120, reflection
Layer 130, second dielectric layer 140 and the first absorbed layer 150, wherein the magnetosphere 110 uses the material of no biotoxicity.
Optionally, magnetosphere 110, first medium layer 120, reflecting layer 130, second dielectric layer 140 and the first absorbed layer
150 all use the material of no biotoxicity, generate injury and pollution environment to avoid to human body.
Wherein, in the present embodiment, which is provided with second dielectric layer 140, and the second dielectric layer 140 is in light
It makes moderate progress on spectral property to half-wave width, increases to the injection of the magnetic paint；Its specific reason has: 1, second is situated between
The system that the defects of matter layer 140 or impurity are constituted is to the selective absorbing of the light of wave band or scattering near mass-tone optical band
And lose, cause the monochromaticjty of the light of wavelength constant color to be improved；2, second dielectric layer 140 and magnetosphere 110 and reflecting layer
130 reconstruct a Fabry-Perot-type cavity, are filtered to the light other than mass-tone wave band, monochromaticjty colour rendering is more preferable；3,
140 pairs of magnetosphere 110 of second medium layer and reflecting layer 130 form infra-red radiation, and the half-wave for influencing echo area is wide, optimize interference peaks.
It is different from related technology, the magnetic pigment flakes of the application include magnetosphere 110 and are cascadingly set on magnetism
First medium layer 120, reflecting layer 130, second dielectric layer 140 and first in first main surface (not shown) of layer 110 absorb
Layer 150；Wherein, which uses the material of no biotoxicity.Therefore, the magnetic pigment flakes of the application are by introducing the
Second medium layer 140 can be improved the monochromaticjty of the magnetic pigment flakes, have good colour rendering, meanwhile, in the magnetic pigment flakes
Each film layer uses the material of no biotoxicity, reduces the pollution to environment and the injury to human body, more health environment-friendly.
Optionally, which passes through traditional PVD (Physical Vapor Deposition, physical vapor
Deposition technique) production technology realizes that process conditions comparative maturity is not needed to increase other process equipments and be realized.
Referring to Fig.2, Fig. 2 is the structural schematic diagram of the another embodiment of the application magnetic pigment flakes.Magnetic pigment flakes include magnetic
Property layer 110 and the first medium layer 120 being cascadingly set in the first main surface of magnetosphere 110, reflecting layer 130,
Second medium layer 140 and the first absorbed layer 150；Second main surface opposite with the first main surface (not shown) of the magnetosphere 110
(not shown), which is further cascading, third dielectric layer 160 and the second absorbed layer 170.
It is different from related technology, the magnetic pigment flakes of the application include magnetosphere 110 and are cascadingly set on magnetism
First medium layer 120, reflecting layer 130, second dielectric layer 140 and the first absorbed layer 150 in first main surface of layer 110, with
And second main surface opposite with the first main surface is further cascading third dielectric layer 160 and the second absorbed layer
170；Wherein, magnetosphere 110 uses the material of no biotoxicity.Therefore, the magnetic pigment flakes of the application are situated between by introducing second
Matter layer 140 can be improved the monochromaticjty of the magnetic pigment flakes, have good colour rendering, meanwhile, each film in the magnetic pigment flakes
Layer uses the material of no biotoxicity, reduces the pollution to environment and the injury to human body, more health environment-friendly；First medium layer
120 and third dielectric layer 160 can play a protective role to magnetosphere 110, the entirety for improving the high chroma magnetic pigment flakes is resistance to
By performance.
Optionally, which can be asymmetrical 7 layers of magnetic pigment flakes with environment protecting.
Specifically, the physical thickness range of magnetosphere 110 can be 10nm to 500nm；For example, the physics of magnetosphere 110 is thick
Degree can be 10nm, 11nm, 40nm, 100nm, 199nm, 300nm, 450nm, 499nm or 500nm etc..
Further, the material of magnetosphere 110 can be Fe, Fe-Ti alloy, Al-Fe alloy and Fe3O4At least one of.
I.e. the material of magnetosphere 110 can be above-mentioned a certain material composition, or the mixture being made of above-mentioned at least two material.
With the nickel used most in traditional material, cobalt or other heavy metals or alloy with bio-toxicity or multiple
Object is closed as ferromagnetic layer material, which is the environment-friendly materials of no biotoxicity, Fe, Ti and its alloy or its change
Object is closed, is becoming environment-friendly type magnetic membrane material after modification.
Specifically, the physical thickness range in reflecting layer 130 can be 5nm~500nm.For example, the physical thickness in reflecting layer 130
It can be 5nm, 6nm, 15nm, 30nm, 100nm, 250nm, 499nm or 500nm etc..
Further, the material in reflecting layer 130 is at least one of Ag, Al and Al-Ti alloy.That is reflecting layer 130
Material can be above-mentioned a certain material composition, or the mixture being made of above-mentioned at least two material.
Optionally, first medium layer 120, second dielectric layer 140 and third dielectric layer 160 are less than or are waited using refractive index
In 1.65 material.
Preferably, in the present embodiment, first medium layer 120, second dielectric layer 140 and third dielectric layer 160 can be adopted
Use silica as material.
Optionally, the physical thickness of first medium layer 120 and third dielectric layer 160 is the integral multiple of a quarter λ,
In, λ is the monochromatic wavelength presented.
Specifically, a part of light is reflected back when illumination is mapped on film surface, remaining part penetrates film shape
At refraction, such case will all occur repeatedly inside each tunic layer, when the thickness of each film is all in lambda1-wavelength model
When enclosing interior, the reflection light of different film layers will be brought together and interact.The upper surface of film layer reflects one
Partial incident light, and other light is not reflected, enters film layer until being mapped to lower surface, then some meeting again
It is reflected, these are reflected by lower surface and using unirefringence, and the light at this moment just directly reflected with upper surface has
Same direction, and finally bringing together, when two parts light is brought together, due to by lower surface by reflection and
The process of refraction has walked a certain distance more than initial light, then forms optical path difference, i.e. Δ=2ndcos θ (n is refractive index,
D is physical thickness, and θ is incidence angle).It is found that optical path difference is the function of the thickness of film layer, incident angle.When this optical path difference just
When being the integral multiple of certain monochromatic wavelength well, then this two column light wave is just mutually growed superposition.
Therefore, incidence angle is different, and optical path difference is different, and the monochromatic light for having further resulted in different wave length is mutually grown superposition,
To reflect the light of particular color, so as to form the inconsistent phenomenon of color is observed under different angle.Pass through control first
160 thickness of dielectric layer 120 and third dielectric layer, i.e., optionally the monochromatic light of mutually long specific wavelength obtains the light of particular color
Variable pigments piece；Multi-layered magnetic pigments piece is namely controlled by the thickness of control first medium layer 120 and third dielectric layer 160
Color.
Specifically, first medium layer 120, second dielectric layer 140 and third dielectric physical thickness range can be for 10nm extremely
500nm.For example, 10nm, 19nm, 50nm, 100nm, 109nm, 250nm, 499nm or 500nm etc..
Optionally, the first absorbed layer 150 is identical with the physical thickness of the second absorbed layer 170, and physical thickness range is
2nm to 20nm.For example, 2nm, 3nm, 5nm, 10nm, 15nm, 19nm, 19.5nm or 20nm etc..
Specifically, the first absorbed layer 150 and the second absorbed layer 170 use identical material, wherein the first absorbed layer 150
Material with the second absorbed layer 170 is Ti, at least one of TiN and TiNx.That is the first absorbed layer 150 and the second absorbed layer
170 material can be above-mentioned a certain material composition, or the mixture being made of above-mentioned at least two material.
Experimental group 1
It is the structural schematic diagram of the experimental group 1 of magnetic pigment flakes shown in Fig. 2 refering to Fig. 3, Fig. 3.The magnetic pigment flakes
Film structure successively includes first medium layer 120, reflecting layer 130, second dielectric layer 140, the first absorbed layer 150, magnetosphere
110, third dielectric layer 160 and the second absorbed layer 170.
Specifically, the material selection Al-Fe alloy of the magnetosphere 110, mass ratio 1:4, physical thickness 50nm；
Material selection high reflection the materials A l, physical thickness 20nm in reflecting layer 130；The material selection dioxy of second dielectric layer 140
SiClx, physical thickness 240nm；The material selection silica of first medium layer 120 and third dielectric layer 160, physics
With a thickness of 240nm；The material selection Ti of first absorbed layer 150 and the second absorbed layer 170, physical thickness 15nm.
Control group 1
It is the structural schematic diagram of the control group 1 of magnetic pigment flakes shown in Fig. 3 refering to Fig. 4, Fig. 4.The magnetic pigment flakes
Film structure successively includes first medium layer 120, reflecting layer 130, the first absorbed layer 150, magnetosphere 110, third dielectric layer 160
With the second absorbed layer 170.
Specifically, the material selection Al-Fe alloy of the magnetosphere 110, mass ratio 1:4, physical thickness 50nm；
Material selection high reflection the materials A l, physical thickness 20nm in reflecting layer 130；First medium layer 120 and third dielectric layer 160
Material selection silica, physical thickness 240nm；The material selection of first absorbed layer 150 and the second absorbed layer 170
Ti, physical thickness 15nm.
It is the experimental group 1 of the magnetic pigment flakes in the embodiment of the present application and the theoretical reflectance rate of contrast groups 1 refering to Fig. 5, Fig. 5
Contrast schematic diagram is theoretically analyzed, and after introduce second dielectric layer 140, half-peak breadth has the trend that narrows.
It is the experimental group 1 of the magnetic pigment flakes in the embodiment of the present application and the actual reflectance of contrast groups 1 refering to Fig. 6, Fig. 6
Contrast schematic diagram.Magnetic pigment flakes of the wave-length coverage of the magnetic pigment flakes of experimental group 1 in the embodiment of the present application than control group 1
Wave-length coverage it is narrower；Wave-length coverage is narrower, and the color saturation of magnetic film is more preferable, and color is more bright-coloured.Introducing second medium
After layer 140, half-peak breadth has the trend that narrows.
Therefore, comparison diagram 5 and Fig. 6, theoretically with actually demonstrate: introduce second dielectric layer 140 after multi-layered magnetic
The monochromaticjty of pigment flakes significantly improves.
In conclusion the magnetic pigment flakes pass through stacked multilayer film layer, and second dielectric layer 140 is introduced, ensure that good
Color changeable effect and metallic luster, and first medium layer 120 and third dielectric layer 160 can play a protective role to magnetosphere 110,
Improve the overall tolerability energy of the high chroma magnetic pigment flakes；Meanwhile each film layer of the magnetic pigment flakes uses inanimate object poison
Property material, suitable for food packaging, drink, Key works Drug packing, card roll up anti-fake and cosmetics furnishing fields.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content is applied directly or indirectly in other relevant
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of magnetic pigment flakes, which is characterized in that the magnetic pigment flakes include magnetosphere and are cascadingly set on institute
State first medium layer, reflecting layer, second dielectric layer and the first absorbed layer in magnetospheric first main surface；Wherein, the magnetic
Property layer use no biotoxicity material.
2. magnetic pigment flakes according to claim 1, which is characterized in that described magnetospheric with the first main surface phase
Pair the second main surface be further cascading and have third dielectric layer and the second absorbed layer.
3. magnetic pigment flakes according to claim 1, which is characterized in that the magnetospheric physical thickness range is 10nm
To 500nm.
4. magnetic pigment flakes according to claim 1, which is characterized in that the magnetospheric material is Fe, Fe-Ti conjunction
Gold, Al-Fe alloy and Fe3O4At least one of.
5. magnetic pigment flakes according to claim 1, which is characterized in that the material in the reflecting layer is Ag, Al and Al-Ti
At least one of alloy.
6. magnetic pigment flakes according to claim 2, which is characterized in that the first medium layer, the second dielectric layer
Material with the third dielectric layer using refractive index less than or equal to 1.65.
7. magnetic pigment flakes according to claim 2, which is characterized in that the first medium layer and the third dielectric layer
Physical thickness be a quarter λ integral multiple, wherein the λ be presentation monochromatic wavelength.
8. magnetic pigment flakes according to claim 1, which is characterized in that the physical thickness range of the second dielectric layer is
10nm to 500nm.
9. magnetic pigment flakes according to claim 1, which is characterized in that first absorbed layer and second absorbed layer
Physical thickness it is identical, and the range of the physical thickness be 2nm to 20nm.
10. magnetic pigment flakes according to claim 1, which is characterized in that first absorbed layer and described second absorbs
Layer uses identical material, wherein the material of first absorbed layer and second absorbed layer is in Ti, TiN and TiNx
It is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910464862.2A CN110193976A (en) | 2019-05-30 | 2019-05-30 | A kind of magnetic pigment flakes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910464862.2A CN110193976A (en) | 2019-05-30 | 2019-05-30 | A kind of magnetic pigment flakes |
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Family
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703377A (en) * | 2019-11-20 | 2020-01-17 | 张秋月 | Red optical color-changing sheet and preparation method thereof |
| CN110806613A (en) * | 2019-11-20 | 2020-02-18 | 张秋月 | Red optical color-changing sheet for enhancing color change and preparation method thereof |
| CN111574860A (en) * | 2020-06-17 | 2020-08-25 | 惠州市华阳光学技术有限公司 | Metallic pigment flakes and metallic inks |
| CN112708288A (en) * | 2020-05-21 | 2021-04-27 | 厦门大学 | Magnetic structure color film |
| CN114891368A (en) * | 2022-05-06 | 2022-08-12 | 惠州市华阳光学技术有限公司 | Magnetic optically variable pigment |
| CN114958077A (en) * | 2021-02-24 | 2022-08-30 | 惠州市华阳光学技术有限公司 | Magnetic pigment flake, optically variable ink and anti-counterfeiting product |
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| CN110703377A (en) * | 2019-11-20 | 2020-01-17 | 张秋月 | Red optical color-changing sheet and preparation method thereof |
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| CN110806613B (en) * | 2019-11-20 | 2024-02-02 | 张秋月 | Red optical color-changing sheet capable of enhancing color change and preparation method thereof |
| CN112708288A (en) * | 2020-05-21 | 2021-04-27 | 厦门大学 | Magnetic structure color film |
| CN111574860A (en) * | 2020-06-17 | 2020-08-25 | 惠州市华阳光学技术有限公司 | Metallic pigment flakes and metallic inks |
| CN114958077A (en) * | 2021-02-24 | 2022-08-30 | 惠州市华阳光学技术有限公司 | Magnetic pigment flake, optically variable ink and anti-counterfeiting product |
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| CN114891368A (en) * | 2022-05-06 | 2022-08-12 | 惠州市华阳光学技术有限公司 | Magnetic optically variable pigment |
| CN114891368B (en) * | 2022-05-06 | 2023-10-20 | 惠州市华阳光学技术有限公司 | Magnetic optically variable pigment |
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Application publication date: 20190903 |