CN114633572A - Optically variable anti-counterfeiting scraping ink, scraping ink product and preparation method thereof - Google Patents
Optically variable anti-counterfeiting scraping ink, scraping ink product and preparation method thereof Download PDFInfo
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- CN114633572A CN114633572A CN202210200750.8A CN202210200750A CN114633572A CN 114633572 A CN114633572 A CN 114633572A CN 202210200750 A CN202210200750 A CN 202210200750A CN 114633572 A CN114633572 A CN 114633572A
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- 238000007790 scraping Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 62
- 229920005989 resin Polymers 0.000 claims abstract description 62
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 275
- 239000011248 coating agent Substances 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 26
- 229910052782 aluminium Inorganic materials 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 16
- 238000007747 plating Methods 0.000 claims description 15
- 238000001704 evaporation Methods 0.000 claims description 11
- 239000004925 Acrylic resin Substances 0.000 claims description 8
- 229920000178 Acrylic resin Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 21
- 239000010408 film Substances 0.000 description 21
- 239000010409 thin film Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007774 anilox coating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Laminated Bodies (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The invention provides optically variable anti-counterfeiting scraping ink, a scraping ink product and a preparation method thereof. The anti-fake ink of scraping of light variability includes the light variability layer, can scrape the gum layer, the light variability layer is including the semi-transparent reflection stratum, at least two-layer light variability unit layer that from top to bottom superpose the setting in proper order, and every layer of light variability unit layer is including the resin layer and the reflection stratum that set up from top to bottom, and every layer of reflection stratum of the light variability unit layer top of lower floor all comprises the reflection zone that the interval set up, be the fretwork region between the reflection zone, every layer of reflection stratum at least partial reflection zone all can see through all resin layers and the projection of its top on semi-transparent reflection stratum. The scraping product comprises optically variable anti-counterfeiting scraping ink, an isolation oil layer and a base material, wherein the base material is provided with an image-text area to be hidden. The ink scraping product provided by the invention can be partially scraped, and can realize different forms of light variation effects in different areas, so that the product has stronger aesthetic property and higher anti-counterfeiting performance.
Description
Technical Field
The invention belongs to the technical field of anti-counterfeiting films, and particularly relates to optically variable anti-counterfeiting scraping ink, a scraping ink product and a preparation method thereof.
Background
The scraping ink product is usually black or silver and not beautiful enough, and a layer of optically variable anti-counterfeiting film is arranged on the surface of the scraping ink product, so that the visual attractiveness can be improved, and the anti-counterfeiting effect can be achieved.
The traditional optically variable anti-counterfeiting film usually comprises three layers, namely a semi-transparent metal layer, a transparent dielectric layer and a reflecting layer, different colors are realized according to the thickness regulation and control of the transparent dielectric layer, the color is visually changed into another color, the effect is single, and the decorative effect and the anti-counterfeiting effect which meet higher requirements cannot be met.
Disclosure of Invention
The invention aims to provide an optically variable anti-counterfeiting scraping ink, an optically variable scraping ink product and a preparation method thereof, which can realize locally scraping and present optically variable effects in different forms in different areas, and improve visual aesthetics and anti-counterfeiting performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides an optically variable anti-counterfeiting scraping ink, which comprises an optically variable layer and a scrapable back glue layer, wherein the optically variable layer comprises a semitransparent reflecting layer and at least two optically variable unit layers which are sequentially overlapped from top to bottom, each optically variable unit layer comprises a resin layer and a reflecting layer which are arranged from top to bottom, each reflecting layer above the lowermost optically variable unit layer consists of reflecting areas which are arranged at intervals, hollow areas are arranged between the reflecting areas, and at least part of the reflecting area of each reflecting layer can penetrate through all the resin layers above the reflecting layer and is projected on the semitransparent reflecting layer.
In the implementation process, at least part of the reflection area of each reflection layer can penetrate through all the resin layers above the reflection layer and project on the semitransparent reflection layer, so that each reflection layer can form a thin film interference structure together with all the resin layers above the reflection layer and the semitransparent reflection layer; because the total thickness of the resin layers of the film interference structure above different reflection areas is different, when the light is observed from the outer side of the semitransparent reflection layer, different positions on the whole film surface can present light variation effects with different color changes.
In an alternative embodiment, the semi-transparent reflective layer has an OD (Optical Density) value of 0.1 to 0.9. The OD value is 0, indicating that the layer is completely transparent; an OD of 1 indicates that the layer is completely opaque. The control of the OD value of the semi-transparent reflecting layer is realized by adjusting the thickness of the semi-transparent reflecting layer, and the larger the thickness is, the larger the OD value is, and the more opaque the reflecting layer is.
In the implementation process, the semitransparent reflecting layer can reflect light and has certain transmittance, so that the light variation effect can be observed.
In an alternative embodiment, the refractive index of the resin layer is 1.3 to 1.7; the thickness of the resin layer is 100-800 nm.
In an optional embodiment, the reflective layer is a metal reflective layer, the material includes one or more of aluminum, silver, gold, copper, zinc, chromium, iron, nickel and chrome-nickel blend, and the thickness of the reflective layer is 10-50 nm.
In a second aspect, the invention provides a scraping ink product, which comprises the optically variable anti-counterfeiting scraping ink provided in the first aspect, an isolation oil layer and a substrate, wherein the substrate is provided with a hidden image-text area, the isolation oil layer covers the image-text area to be hidden of the substrate, and the optically variable anti-counterfeiting scraping ink is adhered to the isolation oil layer to cover the image-text area to be hidden.
In the implementation process, when scraping and scraping ink, only the coating covering the image-text to be hidden can be scraped, and the rest part is combined with the base material to present the effect of local scraping.
In an optional embodiment, the display device further comprises a base film, a release layer and an information recording layer which are sequentially stacked from top to bottom, wherein the information recording layer is positioned above the semitransparent reflective layer.
In an alternative embodiment, the base film is made of thermoplastic resin, such as one of PVC, PET, PS, PP, and PC films, and has a thickness of 12 to 75 μm.
In an alternative embodiment, the material of the information recording layer is a thermoplastic resin, such as an acrylic resin, a polyurethane resin, etc., and the thickness of the information recording layer is 0.5 to 2 μm.
In an alternative embodiment, the lower surface of the information recording layer is provided with a holographic groove.
In a third aspect, the present invention provides a method of making a doctoring product comprising the steps of:
s1, sequentially coating a base film to form a release layer and an information recording layer;
s2, evaporating and plating a layer of semitransparent metal aluminum on the information recording layer to form a semitransparent reflecting layer;
s3, coating acrylic resin on the semitransparent reflecting layer to form a resin layer;
s4, coating water washing ink on the resin layer, and evaporating a layer of metal to form a reflecting layer; then washing the metal to form reflecting areas distributed at intervals;
s5, repeating the steps S3 and S4 on the reflecting layer for multiple times to form a plurality of layers of optical variable unit layers;
s6, coating scraping ink on the reflecting layer to form a back-scraping adhesive layer; obtaining optically variable anti-counterfeiting scraping ink;
s7, coating an isolation oil layer on the graphics and text area needing to be hidden on the base material;
s8, transferring the optically variable anti-counterfeiting scraping ink obtained in the step S6 to a substrate and covering an isolation oil layer on the substrate to obtain a scraping ink product;
the last step S4 may not include applying water-washing ink, and washing off metal to form reflective regions at intervals.
In an alternative embodiment, step S1 further includes hot-pressing the holographic groove on the information recording layer.
Compared with the prior art, the invention has the beneficial effects that:
the ink scraping product provided by the invention can be partially scraped, and can realize different forms of light variation effects in different areas, so that the product has stronger aesthetic property and higher anti-counterfeiting performance.
Drawings
FIG. 1 is a schematic view of the structure of a wiping product of example 1;
FIG. 2 is a schematic representation of the structure presented by the membrane face of example 1;
FIG. 3 is a schematic structural view of a wiping product of example 2;
FIG. 4 is a schematic view of the structure exhibited by the film surface in example 2;
reference numerals: 100-doctoring of the ink product; 110-a base film; 120-a release layer; 130-information recording layer; 140-a light-variable layer; 141-semi-transparent reflective layer; 142-a first resin layer; 143-a first reflective layer; 144-a second resin layer; 145-a second reflective layer; 150-scrapable back glue layer; 160-isolation oil layer; 170-a substrate; 200-scraping a wiping product; 210-a base film; 220-a release layer; 230-information recording layer; 240-holographic optical variable layer; 241-a semi-transparent reflective layer; 242 — a first resin layer; 243-first reflective layer; 244 — a second resin layer; 245-a second reflective layer; 246-third resin layer; 247-a third reflective layer; 250-scrapable back glue layer; 260-isolating the oil layer; 270-a substrate.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the embodiments are only for explaining the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 and fig. 2, the scratch ink product 100 provided in this embodiment includes a base film 110, a release layer 120, an information recording layer 130, an optically variable layer 140, a scratch-off back adhesive layer 150, a spacer oil layer 160, and a substrate 170, which are sequentially stacked from top to bottom. The optical variation layer 140 includes a semitransparent reflective layer 141 and two layers of optical variation unit layers stacked in sequence from top to bottom, and each layer of optical variation unit layer includes a resin layer and a reflective layer arranged up and down. The first layer of optical variation unit layer includes a first resin layer 142 and a first reflective layer 143, the first reflective layer 143 is divided into a plurality of first reflective regions arranged at intervals, and first hollow regions are formed between the first reflective regions. The second layer of optical variation unit layer includes a second resin layer 144 and second reflective layers 145, the second resin layer 144 fills the hollow areas of the first reflective layer 143, the second reflective layers 145 are divided into a plurality of second reflective areas arranged at intervals, the second reflective areas are located under the first hollow areas, and the second hollow areas are located between the second reflective areas. The substrate 170 is provided with a graphic region to be hidden, and the isolation oil layer 160 covers the graphic region to be hidden.
The first reflective region of the first reflective layer 143 can transmit through the first resin layer 142 and project on the semitransparent reflective layer 141, and the first reflective layer 143, the first resin layer 142 and the semitransparent reflective layer 141 combine to form a first thin film interference structure, which together generate a light variation effect. The second reflective region of the second reflective layer 145 can penetrate through the second resin layer 144 and the first resin layer 142 of the first hollow region and project on the semitransparent reflective layer 141, and the second reflective layer 145, the second resin layer 144, the first resin layer 142 and the semitransparent reflective layer 141 are combined to form a second thin film interference structure, which jointly generates a light variation effect. When the film is observed at the outermost side by changing the light variation angle, the light variation effect of changing the colors from A to B can be observed in the first reflection area of the first reflection layer 143, and the light variation effect of changing the colors from C to D can be observed in the second reflection area of the second reflection layer 145, so that the light variation effect of showing different types of color variations in different areas is realized.
When the film surface is observed, the first reflection area displays green, the second reflection area displays red, when the light variation angle is changed, the first reflection area changes from green to purple, the second reflection area displays red to green, and the light variation effect that different areas present different forms is achieved.
The method for preparing the scraping product 100 provided by the embodiment comprises the following steps:
s1, using a 19-micron-thick PET film as a base film 110, and sequentially coating a release layer 120 and a 1.0-micron-thick information recording layer 130 on the base film 110;
s2, evaporating and plating a semitransparent metal aluminum layer on the information recording layer 130 by using a vacuum aluminum plating machine, wherein the OD value is 0.6, and forming a semitransparent reflecting layer 141;
s3, coating acrylic resin on the semitransparent reflecting layer 141 to form a first resin layer 142 with the thickness of 500 nm;
s4, coating water washing ink, evaporating and plating a metal aluminum layer with the thickness of 10nm on the first resin layer 142 by using a vacuum aluminum plating machine, and washing aluminum according to requirements to obtain metal aluminum areas distributed at intervals to form a first reflecting layer 143;
s5, coating acrylic resin on the first reflecting layer 143 to form a second resin layer 144 with the thickness of 200 nm;
s6, coating water washing ink, evaporating and plating a metal aluminum layer with the thickness of 20nm on the second resin layer 144 by using a vacuum aluminum plating machine, and washing aluminum according to requirements to obtain metal aluminum areas distributed at intervals to form a second reflecting layer 145;
s7, coating scraping ink on the second reflecting layer 145 by using an anilox roller to form a scraped back adhesive layer 150, namely obtaining the optically variable anti-counterfeiting scraping ink;
s8, coating an isolation oil layer 160 on a picture and text area to be hidden on the substrate 170;
and S9, transferring the optically variable anti-counterfeiting scraping ink obtained in the step S7 to a base material 170 and covering an isolation oil layer 160 on the base material to obtain the scraping ink product 100.
Example 2
As shown in fig. 3 and 4, the scratch ink product 200 provided in this embodiment includes a base film 210, a release layer 220, an information recording layer 230, a holographic optical change layer 240, a scratch-off back adhesive layer 250, a spacer oil layer 260, and a substrate 270, which are sequentially stacked from top to bottom. The holographic optical variable layer 240 comprises a semitransparent reflective layer 241 and three optical variable unit layers which are sequentially overlapped from top to bottom, and each optical variable unit layer comprises a resin layer and a reflective layer which are arranged from top to bottom. The first layer of optical variation unit layer includes a first resin layer 242 and a first reflective layer 243, the first reflective layer 243 is divided into a plurality of first reflective areas arranged at intervals, and first hollow areas are arranged between the first reflective areas. The second layer of optical variable unit layer comprises a second resin layer 244 and a second reflection layer 245, the first hollow area is filled by the second resin layer 244, the second reflection layer 245 is divided into a plurality of second reflection areas which are arranged at intervals, the second reflection areas are positioned below the first hollow areas, the second hollow areas are arranged between the second reflection areas, and the first hollow areas and the second hollow areas are partially overlapped. The third layer of optical variation unit layer comprises a third resin layer 246 and a third reflective layer 247, the third resin layer 246 fills the second hollow area, and the third reflective layer 247 is a complete layer structure. The lower surface of the information recording layer 230 is provided with a holographic groove. The substrate 270 is provided with a graphic region to be hidden, and the isolation oil layer 260 covers the substrate hidden graphic region.
The first reflective region of the first reflective layer 243 can transmit through the first resin layer 242 and project on the semi-transparent reflective layer 241, and the first reflective layer 243, the first resin layer 242 and the semi-transparent reflective layer 241 combine to form a first thin film interference structure, which together generate a holographic optical variable effect. The second reflection area of the second reflection layer 245 can penetrate through the second resin layer 244 and the first resin layer 242 of the first hollow area and project on the semi-transparent reflection layer 241, and the second reflection layer 245, the second resin layer 244, the first resin layer 242 and the semi-transparent reflection layer 241 are combined to form a second thin film interference structure, and the holographic light variation effect is generated under the combined action of the second reflection area, the second resin layer 244, the first resin layer 242 and the semi-transparent reflection layer 241. The third reflective layer 247 can penetrate through the third resin layer 246, the second resin layer 244 and the first resin layer 242 in the overlapped area of the first hollow area and the second hollow area and project on the semitransparent reflective layer 241, and the third reflective layer 247, the third resin layer 246, the second resin layer 244, the first resin layer 242 and the semitransparent reflective layer 241 are combined to form a third thin film interference structure, which jointly generates a holographic optical variable effect.
When the holographic light-variable effect is observed from the film surface, the first reflection area is displayed as blue, the second reflection area is displayed as green, the rest areas are displayed as red, when the light-variable angle is changed, the blue of the first reflection area is changed into purple red, the green of the second reflection area is changed into purple red, the red of the rest areas is changed into green, and the holographic light-variable effect with different forms presented by different areas is realized.
The method for preparing the scraping product 200 provided by the embodiment comprises the following steps:
s1, using a 19-micron-thick PET film as a base film 210, and sequentially coating a release layer 220 and a 1.0-micron-thick information recording layer 230 on the base film 210;
s2, hot-pressing the holographic grooves on the information recording layer 230 by thermal transfer printing using a molding press;
s3, evaporating and plating a semitransparent metal aluminum layer on the information recording layer 230 by using a vacuum aluminum plating machine, wherein the OD value is 0.6, and forming a semitransparent reflecting layer 241;
s4, coating acrylic resin on the semitransparent reflecting layer 241 to form a first resin layer 242 with the thickness of 200 nm;
s5, coating water washing ink, evaporating and plating a metal aluminum layer with the thickness of 10nm on the first resin layer 242 by using a vacuum aluminum plating machine, and washing aluminum according to requirements to obtain metal aluminum areas distributed at intervals to form a first reflecting layer 243;
s6, coating acrylic resin on the first reflecting layer 243 to form a second resin layer 244 with the thickness of 300 nm;
s7, coating water washing ink, evaporating and plating a metal aluminum layer with the thickness of 20nm on the second resin layer 244 by using a vacuum aluminum plating machine, and washing aluminum according to requirements to obtain metal aluminum areas distributed at intervals to form a second reflecting layer 245;
s8, coating acrylic resin on the second reflecting layer 245 to form a third resin layer 246 with the thickness of 200 nm;
s9, evaporating a metal aluminum layer with the thickness of 20nm on the third resin layer 246 by using a vacuum aluminum plating machine to form a third reflecting layer 247;
s10, coating hot melt adhesive on the third reflecting layer 247 by using a reticulate pattern roller to form a back adhesive layer 250 capable of being scraped, namely obtaining the holographic optical variable anti-counterfeiting scraping ink;
s11, coating an isolation oil layer 260 on a graph and text area to be hidden on a base material 270;
s12, transferring the holographic optical variable anti-counterfeiting scraping ink obtained in the step S10 to a base material 270, and covering an isolation oil layer 260 on the base material to obtain the scraping ink product 200.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an anti-fake scraping ink of scraping of light variability, its characterized in that includes the light change layer, can scrape the gum layer, the light change layer is including the semi-transparent reflection stratum, at least two-layer light change unit layer that from top to bottom superpose in proper order and sets up, every layer the light change unit layer includes resin layer and the reflection stratum that sets up from top to bottom, the lower floor every layer of light change unit layer top the reflection stratum all comprises the reflection area of interval setting, be the fretwork region between the reflection area, every layer the at least partial reflection area of reflection stratum all can see through all of its top the resin layer and projection in on the semi-transparent reflection stratum.
2. The optically variable anti-counterfeiting scratch ink according to claim 1, wherein the OD value of the semi-transparent reflective layer is 0.1-0.9.
3. The optically variable anti-counterfeiting scratch ink according to claim 1, wherein the refractive index of the resin layer is 1.3-1.7; the thickness of the resin layer is 100-800 nm.
4. The optically variable anti-counterfeiting scratch ink according to claim 1, wherein the reflecting layer is a metal reflecting layer, and the thickness of the reflecting layer is 10-50 nm.
5. A scraping product is characterized by comprising the optically variable anti-counterfeiting scraping ink as claimed in any one of claims 1 to 4, an isolation oil layer and a substrate, wherein the substrate is provided with an image-text area to be hidden, the isolation oil layer covers the image-text area to be hidden of the substrate, and the optically variable anti-counterfeiting scraping ink is adhered to the isolation oil layer.
6. The doctor blade product of claim 4, further comprising a base film, a release layer, and an information recording layer stacked in this order from top to bottom, wherein the information recording layer is located above the semitransparent reflective layer.
7. The doctor blade product as claimed in claim 6, wherein the base film is a thermoplastic resin and has a thickness of 12-75 μm.
8. The wiper product according to claim 6, wherein the material of said information recording layer is a thermoplastic resin, and the thickness of said information recording layer is 0.5 to 2 μm.
9. The doctor blade product as claimed in claim 6, wherein the lower surface of the information recording layer is provided with holographic grooves.
10. A method of making a doctoring ink product as claimed in any one of claims 5 to 9, comprising the steps of:
s1, sequentially coating a base film to form a release layer and an information recording layer;
s2, evaporating and plating a layer of semitransparent metal aluminum on the information recording layer to form a semitransparent reflecting layer;
s3, coating acrylic resin on the semitransparent reflecting layer to form a resin layer;
s4, coating water washing ink on the resin layer, and evaporating a layer of metal to form a reflecting layer; then washing the metal to form reflecting areas distributed at intervals;
s5, repeating the steps S3 and S4 on the reflecting layer for multiple times to form a plurality of layers of optical variable unit layers;
s6, coating scraping ink on the reflecting layer to form a back-scraping adhesive layer; obtaining optically variable anti-counterfeiting scraping ink;
s7, coating an isolation oil layer on the graphics and text area needing to be hidden on the base material;
s8, transferring the optically variable anti-counterfeiting scraping ink obtained in the step S6 to a substrate and covering an isolation oil layer on the substrate to obtain a scraping ink product;
the last step S4 may not include applying water washing ink, and washing off the metal to form the reflective regions at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210200750.8A CN114633572B (en) | 2022-03-02 | 2022-03-02 | Optically variable anti-counterfeiting scraping ink, scraping ink product and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210200750.8A CN114633572B (en) | 2022-03-02 | 2022-03-02 | Optically variable anti-counterfeiting scraping ink, scraping ink product and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114633572A true CN114633572A (en) | 2022-06-17 |
| CN114633572B CN114633572B (en) | 2023-12-01 |
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| CN202210200750.8A Active CN114633572B (en) | 2022-03-02 | 2022-03-02 | Optically variable anti-counterfeiting scraping ink, scraping ink product and preparation method thereof |
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| CN (1) | CN114633572B (en) |
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