CN106057069A - Anti-counterfeiting structure capable of changing colors by aid of chemical reaction - Google Patents
Anti-counterfeiting structure capable of changing colors by aid of chemical reaction Download PDFInfo
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- CN106057069A CN106057069A CN201610651315.1A CN201610651315A CN106057069A CN 106057069 A CN106057069 A CN 106057069A CN 201610651315 A CN201610651315 A CN 201610651315A CN 106057069 A CN106057069 A CN 106057069A
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- chemical reaction
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- 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
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
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Abstract
The invention discloses an anti-counterfeiting structure capable of changing colors by the aid of chemical reaction, and belongs to the field of anti-counterfeiting technologies. According to the technical scheme, the anti-counterfeiting structure has the advantages that the anti-counterfeiting structure comprises reaction medium sub-compositions B, liquid water is fixed into gel, accordingly, the anti-counterfeiting label structure is free of flowable aqueous solution media by the aid of chemical reaction color change principles when the temperatures are lower than a melting point of the reaction medium sub-compositions B, chemical reaction can be carried out on melt of the reaction medium sub-compositions B and chemical reaction color change substances A in identification coatings when the anti-counterfeiting structure is heated and the temperature of the anti-counterfeiting structure reaches the melting point of the reaction medium sub-compositions B or is higher than the melting point of the reaction medium sub-compositions B, characters, numerical codes or patterns of the identification coatings coated on coating substrates can be displayed, or the colors can be changed; procedures for displaying the characters, the numerical codes or the patterns in the identification coatings or changing the colors owing to the chemical reaction are irreversible, and accordingly anti-counterfeiting labels can be prevented from being reused.
Description
Technical field
The invention belongs to field of anti-counterfeit technology, a kind of anti-counterfeit structure by chemical reaction variable color.
Background technology
Fake and inferior commodities cause huge harm and loss to business and consumer, and anti-counterfeiting technology is take precautions against personation one
The means of kind.Develop anti-counterfeiting technology can be Cleaning market provide make unique, be difficult to forge, authenticity of products can be accurately identified
Mark, protection genuine piece production and marketing business and the legitimate rights and interests of consumer, it is ensured that market economy develops in a healthy way.
The development of anti-counterfeiting technology is closely coupled with the development of the subjects such as physics, chemistry, biology and electronics and technology.Greatly
Most anti-fake products have employed physics's anti-counterfeiting technology, and the anti-counterfeiting technology product accounting of the most optically-based principle is maximum, such as
Ultraviolet or infrared ray excited under luminescence phenomenon and laser holography etc., this kind of anti-counterfeiting mark has the longest service life,
Can not lose efficacy the most voluntarily when being used alone, this is it is possible to be recycled for fake and inferior commodities.Chemistry anti-counterfeiting technology depends on
According to chemical reaction, after once the startup of thermodynamics spontaneous process is pressed in reaction, under the reaction condition not changing the external world, until balance
Can not spontaneously reverse, this is the advantage of chemistry anti-counterfeiting technology.The research of the known chemical reaction producing color change is
Have accumulated great mass of data, these data and anti-counterfeiting technology are combined, there is much room in interdisciplinary development chemistry anti-counterfeiting technology.
The patent number of packages delivered it may be said that the development and application of bright chemistry anti-counterfeiting technology can not show a candle to physical security or Techniques of Optical Security,
We, retrieve from " patent at home and abroad " column of Wanfang Database as key word with " optical anti-counterfeiting " and " chemistry is false proof " the most respectively
The patent number (by February 8th, 2015) arrived, the former is 66, and the latter is only 6, and its ratio is more than 10.According to estimates, skill
The physics luminescent material that art is ripe, likely apply is much smaller than 1/10 with the ratio of the color-changing composition false proof for chemistry.Cause
, there is huge research and development space in chemistry anti-counterfeit field in this.
Chemistry anti-counterfeiting technology related data is not only measured few, and it is the narrowest to relate to face, and the overwhelming majority is the reaction of iodine and starch,
Other kinds of chemical reaction is paid close attention to not by this explanation research worker.Such as: 1. Authorization Notice No. CN2213691Y, practical new
Type, title: iodine salt anti-forge bag；2. Authorization Notice No. CN 2408059, utility model, title: a kind of iodized salt Anti-counterfeit packing bag；
3. Authorization Notice No. CN 2552854Y, utility model, title: antifalse packing bag for edible iodine-adding salt；4. application for a patent for invention CN
200810016065X, a kind of color-changing anti-counterfeit material and making thereof.Front 3 patents are little with solution reagent in product packaging bags
Bag, the possibility that solution reagent container in storage and transport process has a breakage and lost efficacy.Last part patent utilization saliva makes iodine-starch network
Compound is become " colourless " from " blue ", the inadequate health of the program, and need to be modified starch.Even if starch not being changed
Property can also use alkaline solution (such as soda or saleratus solution etc.) promote iodine dismutation reaction, it is easy to make iodine-starch complexation
Thing becomes " colourless " from " blue ".Owing to above-mentioned chemical reaction all need to be carried out, the most at room temperature by water in aqueous medium
This reaction medium non-currentization is a key issue.
By this reaction medium non-currentization of water can also by room temperature by the hydropexis of liquid at gel
Solve.For understanding forefathers' research work in terms of gel, we were once the theme with " gel ", " molten respectively in connection with containing in full text
Select ", " reversible ", " food " or " false proof ", search at " periodical ", " academic dissertation " in " incomparably " data base, " can discuss
Literary composition ", " foreign language periodicals ", paper sum in the range of " foreign language meeting " and " patent at home and abroad " five be correspondingly: > 900, > 2700,
> 11000 and 60.Visible forefathers are in addition to working especially less at " false proof " aspect of gel, and other everyways were carried out
The most research work.In the data of these 60 " false proof " aspects, gel is also intended only as film former or bonding agent makes
With, non-currentization not touching the medium-water to chemical reaction processes.Gel is melted by forefathers at electrolyte and non-electrolyte
The achievement acquired by work in terms of the performance impacts such as the gelling of point, glue, gelatin viscosity and gel strength, has one to this technology
Fixed reference value.
Summary of the invention
The most for simplicity's sake, the symbol used in file, term are defined as follows:
Electrochromic substance in material (A) the variable color chemical reaction of chemical reaction variable color；
Reaction subgroup compound (B) is made up of other components except A in addition in variable color chemical reaction: it is chemical that it comprises variable color
Pharmacy response (E) and gel (H), gel (H) is made up of with reaction medium water gel (G)；
E is in WATER AS FLOW MEDIUM, E and A reaction occurs metachromasia；
Gel (G) can be dissolved in water and generate the gel of gel, and G can be single gel, it is also possible to be two
Or two or more gel mixture.In variable color chemical reaction, G is not involved in reaction；
Gel (H) G is dissolved in the gel that water generates；
Reversible gel this gel melt when temperature is increased to certain value becomes flow regime, when temperature is reduced to certain value
The glue of fusing congeals into first valve state；Generally, gel melt becomes the temperature of glue of flow regime to be gelled into non-higher than glue
The temperature of flow regime gel；
The H of the fusing point definite composition of B has certain melting range；When, after the E adding different content, its fusing point and melting range are all
Can change, table 2 be listed E as follows on the impact of H fusing point: the first fusing point difference of the first fusing point of B-1～B-6 and H < 3 DEG C, eventually
Fusing point differs < 4 DEG C；< 4 DEG C, whole fusing point differs < 10 DEG C for the first fusing point of B-7 and B-8 and the first fusing point difference of H；Melting range≤15 of B
℃；
Film former (D) identifies the word of coating, number or pattern in order to A bonding to be formed on the base layer.
For Shortcomings in prior art, the invention provides a kind of anti-counterfeit structure by chemical reaction variable color, this
Invention introduces B, using being combined into the technical scheme of gel H under room temperature as the aqueous water of variable color chemical reaction medium and G, proposes
The substance A of chemical reaction variable color and reaction medium moisture during a kind of fusing point by chemical reaction metachromatic principle, temperature less than B
From anti-counterfeiting mark structure, when heat this structure make the fusing point that its temperature reaches at or above B time, the E in the melt of B with identify
There is chemical reaction in the A in coating in the presence of reaction medium water, makes the word of identification coating, the number being coated in coated substrate
Code or pattern displaying or variable color.
The present invention realizes above-mentioned technical purpose by techniques below means.
A kind of anti-counterfeit structure by chemical reaction variable color, ties including transparent airtight shell and multilamellar on its interior
Structure, described multiple structure includes identifying coating, basal layer and matting layer；
Described identification coating is made up of chemical reaction electrochromic substance A and film former D, after the solution mixing of described A and described D
It is coated on described substrate surface and drying obtains the mark of required form；
The mass ratio of wherein said A and described D is 1:100～2:1, the concentration of described solution D be 0.01g/mL～
0.30g/mL。
In such scheme, described A be C.I. 13020., methyl orange, thymol blue, bromocresol green, bromthymol blue, phenol red,
Phenolphthalein, thymolphthalein or chlorophenol red；
Or PVPI；
Or the mixture of iodine and soluble starch, or iodine salt, iodate and the mixture of soluble starch (or starch)；
Or cupric salt, nickel salt, cadmium salt or lead salt.
The solvent of wherein said A is the mixed solvent of water or water-ethanol, consisting of 10: 90～30:70 (volume ratios),
Its concentration is 0.1～100g A: 100g solvent.
Wherein said D is polyvinyl alcohol or polyvinylpyrrolidone, and described solution D is that its aqueous solution or alcohol-water mixing is molten
Liquid.
Described matting layer includes that B, described B include metachromasia medicament E and gel H, gel H by gel G (by n Gi
Composition, 3 >=n >=1) (GiFor single gel) and water composition, the mass ratio of metachromasia medicament E and water is 0.56～7.2:
10000, the mass ratio of gel G and water is 2.5～16.4:100) pH value of the melt of described B is 3.3～11.5, described B's
Fusing point is 35～53 DEG C, and the water in described B is in first valve state when temperature is less than described fusing point；
Gel G can be single gel, it is also possible to be the mixture of 2-3 gel；
Gel H is the gel that G is dissolved in that water generates.
The preparation of B, is carried out as steps described below:
Weighing a certain amount of G and E by proportioning and put in beaker, adding temperature is the deionized water of 60 DEG C, in 80 DEG C with glass
The stirring of glass rod is all dissolved to solid, measures its pH value if desired；Being cooled to 5 DEG C, 30min makes into gel；Measure fusing point.
In such scheme, described matting layer be lamellar, thickness be 30～80 μm.
In such scheme, described matting layer is the gel film of B.
In such scheme, described matting layer also include backing material F, described F for having inert porous thin slice, described
The melt of B waters after casting from described F cooling, the thin slice being gelled.
In such scheme, described basal layer is paper or cloth, and described identification coating is whole after being coated on described substrate surface
Body thickness is 10～23 μm.
Wherein, F can be screen cloth, porose cloth etc.；The effect of matting layer oozed after being B fusing after basal layer with identification
Coating reaction, demonstrates the shape mark identifying coating coating；For the basal layer containing two-layer and identification coating, the most just, carrying on the back
Face shows that shape identifies simultaneously.
In such scheme, described H is the reversible gel that G is dissolved in that water generates；Described G be can be dissolved in water after generate reversible
The gel of gel；Described G is not involved in reaction in variable color chemical reaction, and water is the medium of variable color chemical reaction.
In such scheme, described E is citric acid, Na2CO3、Na3PO4·12H2O、Na2HPO4·12H2O、NaH2PO4·
2H2O、Na2S2O3·5H2O、K4Fe(CN)6·3H2O or Na2S·9H2O。
In such scheme, the described shell 0.03MPa of resistance to inside and outside differential pressure, described enclosure material is polypropylene, polyethylene, gathers
Ester or polrvinyl chloride, described shell is divided into upper cover and going to the bottom, described upper cover and going to the bottom by glue bond or melted join.
When less than described melting temperature, described A is to described B invariant color.
Multiple structure in this programme is followed successively by identification coating, basal layer and matting layer from top to bottom, it is possible at matting layer
Lower section sets gradually one layer of basal layer again and identifies coating, by required form, identification coating is coated on substrate surface, identifies
The coating shape of coating can be word, number or pattern etc..
As long as below the melting temperature of B, can ensure that water is that first valve state is maintained in gel in B.Can lead to
Crossing and choose different G composition gels and solid water ratio, the melting range of regulation B is 35 DEG C～53 DEG C, its melting range≤15 DEG C, B's
The pH value range of melt can be adjusted to 3.3-11.5 by variable color medicament E.The above-mentioned character of B can ensure when temperature is less than fusing point
System does not occur variable color chemical reaction, and when temperature reaches at or above the fusing point of B, the melt contacts of A and B reacts.
This process being caused word, number or the pattern displaying in identification figure layer or variable color by chemical reaction is irreversible, because of
This this anti-counterfeiting mark can not reuse.
The chemical reaction variable color of this programme can be anti-by acid-base neutralization reaction, complex reaction, precipitation, oxidoreduction
Should or the metachromasia that causes of other chemical reactions.
The invention has the beneficial effects as follows: 1) the present invention is to provide a kind of anti-counterfeit structure by chemical reaction variable color, by
Irreversible in the chemical reaction of variable color, the most this anti-counterfeiting mark can only single use, prevent fake producer from reclaiming and repeat to make
With；2) utilizable variable color chemical reaction is a lot, including acid-base neutralization reaction, complex reaction, precipitation and oxidoreduction
Reaction etc.；3) anti-counterfeit structure can design different patterns at tow sides；4) water needed for chemical reaction is by " non-currentization ",
It is easy to storage and transport.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
The present invention is not own react, and is chemical reaction variable color system known in aqueous solution is grouped into A, B two
Individual sub-compositions；B turns to H by non-current for the aqueous water under room temperature.Because this kind of reaction is too many, below with regard in acid-base reaction system
The exemplary of A be listed in table 1, the exemplary of B is listed in table 2, and the exemplary of A and B in other reactions listed by table 3.This
Invention further relate to other A listed the most in Table 1, other B listed the most in table 2 and other list the most in table 3 other
A and B of reaction.
The exemplary of A in table 1 acid-base reaction system
The exemplary of table 2 B
The exemplary of other reactions of table 3
Embodiment 1
Use the color-changing anti-counterfeit structure of acid-base neutralization reaction.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change and combine.
Inside is five-layer structure, is from top to bottom followed successively by: identify that coating I, basal layer, matting layer, basal layer and identification are coated with
Layer II.
Prepared by identification figure layer:
Identify coating I: A1=C.I. 13020.；D=PVP；Solvent=water-ethanol mixed liquor (volume ratio 10:90)；D/ solvent=
1g/100mL；A1/ solvent=0.5g/100mL；A1With D mass ratio=1/2；Layer thickness=0 μm.
Identify coating II: A2=bromocresol green+chlorophenol red (mass ratio is 1:1)；D=PVP；Solvent=water-ethanol mixing
Liquid (volume ratio 20:80)；D/ solvent=1g/100mL；A2/ solvent=1g/100mL；A2With D mass ratio=1/1；Layer thickness=0 μ
m。
Basal layer: filter paper, thickness=10 μm.
Matting layer: B takes B-8；Mp=39-53 DEG C；PH=8；Fusion-cast shapes, thickness=50 μm.
The variable color when temperature is higher than 48 DEG C of the pattern of the anti-counterfeiting mark of this acid-base reaction variable color.
Identify the initial pattern color of coating I: A1Red；Pattern color after acid-base reaction: A1Yellow.
Identify the initial pattern color of coating II: A2Yellowish green；Pattern color after acid-base reaction: A2Royal purple.
Embodiment 2
Use the color-changing anti-counterfeit structure of redox reaction.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change and combine.
Inside is three-decker, is from top to bottom followed successively by: identify coating, basal layer and matting layer.
Prepared by identification coating: A=PVPI；D=PVP；Solvent=water；D/ solvent=30g/100mL；A/ solvent=1g/
100mL；A Yu D mass ratio=1/30；Layer thickness=2 μm.
Matting layer: B takes B-4；；Mp=36-45 DEG C；PH=10；Thickness=50 μm.
Basal layer: filter paper, thickness=20 μm.
The variable color when temperature is higher than 45 DEG C of the pattern of the anti-counterfeiting mark of this redox reaction variable color.
Identify that the initial pattern color of coating: A is brown.
Pattern color after redox reaction: A without.
Embodiment 3
Use the color-changing anti-counterfeit structure of redox reaction.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change and combine.
Inside is three-decker, is from top to bottom followed successively by: identify coating, basal layer and matting layer.
Identification coating: A=sodium iodide+sodium iodate+soluble starch (mass ratio is 40:5:1000)；D=PVP；Solvent=
Water；D/ solvent=10g/100mL；A/ solvent=1/1；A Yu D mass ratio=1/1；Thickness=20 μm.
Matting layer: B takes B-7；Mp=38-50 DEG C；PH=5.5；Thickness=50 μm.
Basal layer: filter paper, thickness=15 μm.
The variable color when temperature is higher than 48 DEG C of the pattern of the anti-counterfeiting mark of this oxidoreduction and complex reaction variable color.
Identify the initial pattern color of coating: A is colourless.
Pattern color after oxidoreduction and complex reaction: A palm fibre.
Embodiment 4
Use the color-changing anti-counterfeit structure of precipitation.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change and combine.
Inside is three-decker, is from top to bottom followed successively by: identify coating, basal layer and matting layer.
Identification coating: A=copper sulphate pentahydrate；A/ water=5g/100mL；D=PVA；D/ water=5g/100mL；A Yu D mass
Ratio=1/1；Layer thickness=3 μm.
Matting layer: B takes B-3；Mp=36-45 DEG C；Thickness=50 μm.
Basal layer: filter paper；Thickness=20 μm.
The variable color when temperature is higher than 45 DEG C of the pattern of the anti-counterfeiting mark of this precipitation variable color.
Identify the initial pattern color of coating: A is light blue.
Pattern color after precipitation: A is black.
Embodiment 5
Use the color-changing anti-counterfeit structure of acid-base neutralization reaction.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change and combine.
Inside is five-layer structure, is from top to bottom followed successively by:
Identify coating I: A1=C.I. 13020.；D=PVP；Solvent=water-ethanol mixed liquor (volume ratio 10:90)；D/ solvent=
1g/100mL；A1/ solvent=0.5g/100mL；A1With D mass ratio=1/2；A2=bromthymol blue；D=PVP；Solvent=water-
Alcohol mixeding liquid (volume ratio 20:80)；D/ solvent=1g/100mL；A2/ solvent=1g/100mL；A2With D mass ratio=1/1；Layer
Thickness=0 μm.
Basal layer I: filter paper, thickness=10 μm.
Matting layer: B takes B-5；Mp=37-47 DEG C；PH=11.5；Thickness=50 μm.
Basal layer II: filter paper, thickness=10 μm.
Identify coating II: A3=cresol red+thymol blue (mass ratio is 1:3)；D=PVP；Solvent=water-ethanol mixing
Liquid (volume ratio 20:80)；D/ solvent=1g/100mL；A3/ solvent=1g/100mL；A3With D mass ratio=1/1；A4=bromine cresol
Green+chlorophenol red (mass ratio is 1:1)；D=PVP；Solvent=water-ethanol mixed liquor (volume ratio 20:80)；D/ solvent=1g/
100mL；A4/ solvent=1g/100mL；A4With D mass ratio=1/1；Layer thickness=0 μm.
The variable color when temperature is higher than 47 DEG C of the pattern of the anti-counterfeiting mark of this acid-base reaction variable color.
Identify the initial pattern color of coating I: A1Red, A2Yellow；Pattern color after acid-base reaction: A1Huang, A2—
Blue.
Identify the initial pattern color of coating II: A3Flos Rosae Rugosae, A4Yellowish green；Pattern color after acid-base reaction: A3Purple,
A4Royal purple.
Embodiment 6
Use the color-changing anti-counterfeit structure of redox reaction.
Sheathing material is polyester, shell upper cover water white transparency, and shell is gone to the bottom dark opaque, upper cover and going to the bottom in normal pressure power
Lower fusing bonding.
Inside is three-decker, is from top to bottom followed successively by:
Identify coating: A=PVPI；D=PVP；Solvent=water；D/ solvent=30g/100mL；A/ solvent=1g/100mL；A
With D mass ratio=1/30；Layer thickness=2 μm.
Basal layer: filter paper, thickness=20 μm.
Matting layer: B takes B-2；Mp=36-46 DEG C；Thickness=80 μm.
The variable color when temperature is higher than 46 DEG C of the pattern of the anti-counterfeiting mark of this redox reaction variable color.
Identify that the initial pattern color of coating: A is brown.
Pattern color after redox reaction: A without.
Embodiment 7
Use redox reaction and the color-changing anti-counterfeit structure of complex reaction.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom dark opaque, upper cover and going to the bottom at normal pressure
Fusing bonding under power.
Inside is three-decker, is from top to bottom followed successively by:
Identification coating: A=sodium iodide+sodium iodate+starch (mass ratio is 40:5:1000)；D=PVP；Solvent=water；D/
Solvent=10g/100mL；A/ solvent=1/1；A Yu D mass ratio=1/1；Thickness=20 μm.
Basal layer: filter paper, thickness=15 μm.
Matting layer: B takes B-1；Mp=37-48 DEG C；PH=3.3；Thickness=50 μm.
The variable color when temperature is higher than 48 DEG C of the pattern of the anti-counterfeiting mark of this oxidoreduction and complex reaction variable color.
Identify the initial pattern color of coating: A is colourless.
Pattern color after oxidoreduction and complex reaction: A palm fibre.
Embodiment 8
Use the color-changing anti-counterfeit structure that precipitation causes.
Sheathing material is polyester, shell upper cover water white transparency, and shell is gone to the bottom dark opaque, upper cover and go to the bottom-
Melted join under 0.03MPa pressure.
Inside is three-decker, is from top to bottom followed successively by:
Identification coating: A=copper sulphate pentahydrate；A/ water=5g/100mL；D=PVA；D/ water=5g/100mL；A Yu D mass
Ratio=1/1；Layer thickness=3 μm.
Basal layer: filter paper, thickness=20 μm.
Matting layer: B takes B-6；Mp=35-43 DEG C；F=screen cloth, screen thickness=50 μm；Matting layer thickness=80 μm.
The variable color when temperature is higher than 43 DEG C of the pattern of the anti-counterfeiting mark of this precipitation variable color.
Identify the initial pattern color of coating: A is light blue.
Pattern color after precipitation: A is dark red.
Embodiment 9
Use the color-changing anti-counterfeit structure that precipitation causes.
Sheathing material is polrvinyl chloride, shell upper cover water white transparency, and shell is gone to the bottom dark opaque, upper cover and normal pressure of going to the bottom
Lower glue bond.
Inside is three-decker, is from top to bottom followed successively by:
Identification coating: A=copper sulphate pentahydrate；A/ water=5g/100mL；D=PVA；D/ water=5g/100mL；A Yu D mass
Ratio=1/1；Layer thickness=3 μm.
Basal layer: filter paper；Thickness=20 μm.
Matting layer: B takes B-3；Mp=36-45 DEG C, thickness=80 μm.
The variable color when temperature is higher than 45 DEG C of the pattern of the anti-counterfeiting mark of this precipitation variable color.
Identify the initial pattern color of coating: A is light blue.
Pattern color after precipitation: A is black.
Embodiment 10
Use the color-changing anti-counterfeit structure that precipitation causes.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom dark opaque, upper cover and going to the bottom under normal pressure
Glue bond.
Inside is three-decker, is from top to bottom followed successively by:
Identify coating: A1=copper sulphate pentahydrate；A1/ water=2g/100mL；D=PVA；D/ water=1g/100mL；A1With D matter
Amount ratio=2/1；
A2=seven water nickel sulfate；A2/ water=1g/100mL；D=PVA；D/ water=1g/100mL；A2With D mass ratio=1/1；
A3=eight water cadmium sulfates；A3/ water=1g/100mL；D=PVA；D/ water=1g/100mL；A3With D mass ratio=1/1；
A4=acetate trihydrate lead；A4/ water=2g/100mL；D=PVA；D/ water=1g/100mL；A4With D mass ratio=2/1；
Layer thickness=0 μm.
Basal layer: filter paper, thickness=10 μm.
Matting layer: B takes B-3；Mp=36-45 DEG C；Thickness=80 μm.
The variable color when temperature is higher than 45 DEG C of the pattern of the anti-counterfeiting mark of this precipitation variable color.
Identify the initial pattern color of coating: A1Light blue；A2Light green；A3Colourless；A4Colourless；
Pattern color after precipitation: A1Black；A2Black；A3Yellow；A4Black.
Embodiment 11
Use the color-changing anti-counterfeit structure that polytype chemical reaction causes.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change bonding.
Inside is five-layer structure, is from top to bottom followed successively by:
Identify coating I: A1=PVP I；Solvent=water；A1/ water=1g/100mL；D=PVP；D/ water=2g/100mL；A1
With D mass ratio=1/2；
A2=seven water nickel sulfate；Solvent=water；A2/ water=1g/100mL；D=PVA；D/ water=2g/100mL；A2With D matter
Amount ratio=1/2；
A3=eight water cadmium sulfates；Solvent=water；A3/ water=1g/100mL；D=PVA；D/ water=2g/100mL；A3With D matter
Amount ratio=1/2；
A4=methyl orange；Solvent=water；A4/ water=0.1g/100mL；D=PVP；D/ water=10g/100mL；A4With D mass
Ratio=1/100；
Layer thickness=0 μm.
Basal layer I: filter paper, thickness=10 μm.
Matting layer: B takes B-3；Mp=36-45 DEG C；PH=10；Thickness=80 μm.
Basal layer II: filter paper, thickness=10 μm.
Identify coating II: A5=acetate trihydrate lead；A5/ water=2g/100mL；D=PVA；D/ water=1g/100mL；A1With D
Mass ratio=2/1.
A6=thymol blue；Solvent=water-ethanol mixed liquor (volume ratio 20:80)；A6/ solvent=1g/100mL；D=
PVA；D/ solvent=1g/100mL；A6With D mass ratio=1/1.
A7=cresol red+thymol blue (mass ratio is 1:3)；Solvent=water-ethanol mixed liquor (volume ratio 20:80)；A7/
Solvent=1g/100mL；D=PVA；D/ solvent=1g/100mL；A7With D mass ratio=1/1；
Layer thickness=0 μm.
Pattern variable color when temperature is higher than 45 DEG C of the anti-counterfeiting mark of this multiclass reaction variable color.
Identify the initial pattern color of coating I: A1Palm fibre；A2Light green；A3Colourless；A4Orange；Pattern face after reaction
Color: A1Colourless；A2Black；A3Yellow；A4Pale yellow.
Identify the initial pattern color of coating II: A5Colourless；A6Yellow；A7Flos Rosae Rugosae；Pattern color after reaction: A5—
Dark brown；A6Light blue；A7Grey violet.
Embodiment 12
Use the color-changing anti-counterfeit structure that polytype chemical reaction causes.
Sheathing material is polypropylene, shell upper cover water white transparency, and shell is gone to the bottom water white transparency, molten under upper cover and normal pressure of going to the bottom
Change bonding.
Inside is five-layer structure, is from top to bottom followed successively by:
Identify coating I: A1=bromocresol green+chlorophenol red (mass ratio 1:1)；Solvent=water-ethanol mixed liquor (volume ratio
20:80)；A1/ solvent=1g/100mL；D=PVA；D/ solvent=10g/100mL；A1With D mass ratio)=1/10；
A2=bromocresol green；Solvent=water-ethanol mixed liquor (volume ratio 10:90)；A2/ solvent=1g/100mL；D=
PVA；D/ solvent=10g/100mL；A2With D mass ratio=1/10；
A3=methyl orange；Solvent=water；A3/ solvent=0.1g/100mL；D=PVA；D/ water=10g/100mL；A3With D matter
Amount ratio=1/100；
Thickness=3 μm.
Basal layer I: filter paper, thickness=10 μm.
Matting layer: B takes B-1；Mp=37-48 DEG C；PH=3.3；Thickness=80 μm.
Basal layer II: filter paper, thickness=10 μm.
Identify coating II: A4=sodium iodide+sodium iodate+starch (mass ratio is 40:5:1000)；Solvent=water；A4/ solvent
=10g/100mL；D=PVP；D/ solvent=10g/100mL；A4With D mass ratio=1/1.
A5=sodium iodide+sodium iodate+soluble starch (mass ratio is 40:5:1000)；Solvent=water；A5/ solvent=10g/
100mL；D=PVP；D/ solvent=10g/100mL；A5With D mass ratio=2/1.
A6=copper sulphate pentahydrate；Solvent=water；A6/ solvent=5g/100mL；D=PVA；D/ solvent=5g/100mL；A6With
D mass ratio=1/1.
Thickness=3 μm.
Pattern variable color when temperature is higher than 48 DEG C of the anti-counterfeiting mark of this multiclass reaction variable color.
The initial pattern color of identification coating I: A1 royal purple；A2 is blue；A3 orange；Pattern color after reaction: A1Yellow
Green；A2Yellow；A3Red.
Identify the initial pattern color of coating II: A4Colourless；A5Colourless；A6Blue；Pattern color after reaction: A4—
Palm fibre；A5Blue；A6Blue.
Described embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of deviating from the flesh and blood of the present invention, any conspicuously improved, the replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (9)
1. the anti-counterfeit structure by chemical reaction variable color, it is characterised in that include transparent airtight shell and position in the inner
The multiple structure in portion, described multiple structure includes identifying coating, basal layer and matting layer；
Substance A and film former D that described identification coating is carried out chemical reaction variable color by one or more in WATER AS FLOW MEDIUM form, institute
It is coated on described substrate surface after stating the solution mixing of A and described D and drying obtains the mark of required form；
Described matting layer includes that reaction medium subgroup compound B, described B include metachromasia medicament E and gel H, and H is by gel G
(by n GiComposition, 3 >=n >=1) (GiFor single gel) and water composition, the pH value of the melt of described B is 3.3～11.5, institute
The fusing point stating B is 35～53 DEG C, and described H and water combination make water become first valve state when temperature is less than described fusing point；
When less than described melting temperature, described A is to described B invariant color.
2. as claimed in claim 1 by the anti-counterfeit structure of chemical reaction variable color, it is characterised in that described A and the matter of described D
Amount ratio is 1:100～2:1, and the concentration of described solution D is 0.01 g/mL～0.30 g/mL.
3. as claimed in claim 2 by the anti-counterfeit structure of chemical reaction variable color, it is characterised in that described solution D is water-soluble
Liquid or alcohol-water mixed solution, described D is polyvinyl alcohol or polyvinylpyrrolidone.
4. as claimed in claim 1 by the anti-counterfeit structure of chemical reaction variable color, it is characterised in that described B includes that variable color is anti-
Answering medicament E and gel H, H is by gel G(3 >=n >=1) (GiFor single gel) and water composition；Described indivedual G and the matter of water
Amount ratio is 2.5～16.4: 100；The mass ratio of described E and water is 0.56～7.2: 10000；The fusing point of described B is 35～53
, its melting range is not more than 15 C.
5. as claimed in claim 1 by the anti-counterfeit structure of chemical reaction variable color, it is characterised in that described basal layer be paper or
Cloth；After described identification coating is coated on described substrate surface, integral thickness is 10 ~ 23 μm.
6. as claimed in claim 1 by the anti-counterfeit structure of chemical reaction variable color, it is characterised in that described matting layer is by B
The thin slice that thickness is 30 ~ 80 μm constituted.
7. as claimed in claim 6 by the anti-counterfeit structure of chemical reaction variable color, it is characterised in that described matting layer is all right
Including backing material, described backing material, for having inert porous thin slice, waters after described B fusing after casting from described backing material
The thin slice that cooled and solidified becomes.
8. the anti-counterfeit structure by chemical reaction variable color as described in any one in claim 1 ~ 7, it is characterised in that described
A is C.I. 13020., methyl orange, thymol blue, bromocresol green, bromthymol blue, phenol red, phenolphthalein, thymolphthalein or chlorophenol red；
Or PVPI；
Or the mixture of iodine and soluble starch, or iodine salt, iodate and the mixture of soluble starch (or starch)；
Or cupric salt, nickel salt, cadmium salt or lead salt.
9. the anti-counterfeit structure by chemical reaction variable color as described in any one in claim 1 ~ 7, it is characterised in that described
Shell resistance to inside and outside differential pressure 0.03 MPa, described enclosure material is polypropylene, polyethylene, polyester or polrvinyl chloride, and described shell divides
For upper cover and going to the bottom, described upper cover and going to the bottom is glued or melted join.
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| CN201610651315.1A CN106057069A (en) | 2016-08-10 | 2016-08-10 | Anti-counterfeiting structure capable of changing colors by aid of chemical reaction |
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|---|---|---|---|
| CN201610651315.1A CN106057069A (en) | 2016-08-10 | 2016-08-10 | Anti-counterfeiting structure capable of changing colors by aid of chemical reaction |
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| JP2001109867A (en) * | 1999-10-05 | 2001-04-20 | Nichias Corp | Manufacturing method of identification display body |
| CN101665677A (en) * | 2009-09-01 | 2010-03-10 | 苏州纳米技术与纳米仿生研究所 | Thermosensitive chromotropic material and manufacturing method and application thereof |
| CN102034399A (en) * | 2011-01-12 | 2011-04-27 | 四川省宜宾五粮液集团有限公司 | Anti-counterfeiting label |
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| CN105303961A (en) * | 2015-10-28 | 2016-02-03 | 常州大学 | Anti-counterfeiting structure based on chemical reaction color changing |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001109867A (en) * | 1999-10-05 | 2001-04-20 | Nichias Corp | Manufacturing method of identification display body |
| CN101665677A (en) * | 2009-09-01 | 2010-03-10 | 苏州纳米技术与纳米仿生研究所 | Thermosensitive chromotropic material and manufacturing method and application thereof |
| CN102034399A (en) * | 2011-01-12 | 2011-04-27 | 四川省宜宾五粮液集团有限公司 | Anti-counterfeiting label |
| CN102703429A (en) * | 2012-06-01 | 2012-10-03 | 中国水产科学研究院黄海水产研究所 | Nucleic acid isothermal amplification reaction reagent suitable for being stored and transported at normal temperature |
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| CN105303961A (en) * | 2015-10-28 | 2016-02-03 | 常州大学 | Anti-counterfeiting structure based on chemical reaction color changing |
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