CN114203017A - Hidden hollow aluminum-plated pattern holographic anti-counterfeiting film and manufacturing method thereof - Google Patents
Hidden hollow aluminum-plated pattern holographic anti-counterfeiting film and manufacturing method thereof Download PDFInfo
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- CN114203017A CN114203017A CN202111514681.XA CN202111514681A CN114203017A CN 114203017 A CN114203017 A CN 114203017A CN 202111514681 A CN202111514681 A CN 202111514681A CN 114203017 A CN114203017 A CN 114203017A
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- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 10
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- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
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- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
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- 238000002360 preparation method Methods 0.000 claims description 3
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- 239000000020 Nitrocellulose Substances 0.000 claims description 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
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- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims 1
- 239000010408 film Substances 0.000 description 29
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
Abstract
The invention particularly relates to a hidden hollow aluminized pattern holographic anti-counterfeiting film and a manufacturing method thereof. The anti-counterfeiting film is characterized by comprising the following components from top to bottom in sequence: the holographic printing ink comprises a base film layer, an imprinting coating, a holographic information layer, a first aluminum plating layer, an aluminum layer connection coating and a second aluminum plating layer, wherein the first aluminum plating layer is a hollowed aluminum plating anti-counterfeiting pattern layer, and a shielding layer is arranged at the hollowed part of the first aluminum plating layer. The manufacturing method comprises the following steps: coating an impression coating on the base film layer, and drying; imprinting a holographic information pattern on the imprinting coating to form a holographic information layer; printing a shielding layer on the holographic information layer, drying and then aluminizing to form a first aluminized layer; coating an aluminum layer connection coating on the first aluminum layer in a full-page manner, and drying; and fully aluminizing the aluminum layer connection coating to form a second aluminized layer. The invention has the advantages of good anti-counterfeiting performance, stable quality and convenient identification.
Description
Technical Field
The invention belongs to the field of anti-counterfeiting packaging products, and particularly relates to a hidden hollow aluminum-plated pattern holographic anti-counterfeiting film and a manufacturing method thereof.
Background
Due to the exquisite appearance and good performance, the aluminum plating technology is widely applied to the packaging of products in various fields, along with the development of the packaging technology and the anti-counterfeiting requirement of the products, the concept of 'anti-counterfeiting and packaging integration' is provided and rapidly developed, and the research of combining the aluminum plating technology and the anti-counterfeiting technology becomes the research and development focus direction of the applicant in recent years. After the recent efforts of the applicant, the applicant finally developed a fine hollowed-out aluminum-plated anti-counterfeiting technology with anti-counterfeiting characteristics, and around the technology, the applicant applied for a plurality of patents, such as "production process of aluminum-plated packaging material and its products", patent numbers: zl201410318469.x, utility model patent "fretwork pattern aluminizer", patent no: ZL 201521027749.1; utility model patent "fretwork pattern aluminized paper", patent number: ZL 201521035576.8; utility model patent "fretwork pattern sticky tape of aluminizing", patent number: ZL 201521035272.1; utility model patent "fretwork direct plating radium-shine interior slip sheet", patent number: ZL 201620825081.3; utility model patent "fretwork pattern packing carton of aluminizing", patent number: zl201521035653. x.
The refined aluminizing hollowed-out anti-counterfeiting technology is subversive expansion of products of the traditional aluminizing technology in the field of packaging, and completely solves the defects of high cost, large environmental pollution and few hollowed-out pattern styles of the traditional aluminizing hollowed-out technology. Meanwhile, the technology can adopt reel connection line high-speed production, and is very suitable for the characteristics of large-scale industrial production. The method mainly has the following technical process advantages: firstly, the application of the mesh point ultra-fine hollow technology has high process requirements and equipment requirements, high imitation cost and irreplaceability in a short period; secondly, the fine hollow aluminum plating pattern is fine and full, the transition and gradual change effects of various mesh points can be reflected, and the aluminum plating effect can achieve the effects reflected by printing modes such as offset printing, gravure printing and the like; energy conservation, consumption reduction and resource conservation, the brand-new process technology abandons the defects of the original multi-process flow, large consumption of water resources and the like, the whole new flow is shortened to 40 percent of the original flow, and almost no natural resources are consumed; the new technology meets the requirement of environmental protection, the whole production process is finished in a vacuum state, waste discharge and exhaust do not exist in the process, the production process does not involve the use of chemical raw materials, and the production process is very environment-friendly.
However, the refined hollow patterns of the aluminized hollow technical product are floating on the surface of the packaging material, and although the product packaging material has a certain decorative effect, the product packaging material has several obvious problems: firstly, the anti-counterfeiting characteristic of the fine hollow aluminum plating technology is weakened, and counterfeiters can easily find the existence of anti-counterfeiting information, so that measures are taken for imitation; and secondly, the information of the refined hollow-out aluminum-plated pattern emerges on the surface of the packing object, so that great troubles and unnecessary cost loss are caused to the design and production of secondary processing such as printing, gold stamping, forming and the like of the packing object.
Disclosure of Invention
The invention aims to provide a hidden hollow aluminized pattern holographic anti-counterfeiting film and a manufacturing method thereof.
The invention is realized by the following technical scheme:
the hidden hollow aluminized pattern holographic anti-counterfeiting film is characterized by comprising the following components in sequence from top to bottom: the holographic printing ink comprises a base film layer, an imprinting coating, a holographic information layer, a first aluminum plating layer, an aluminum layer connection coating and a second aluminum plating layer, wherein the first aluminum plating layer is a hollowed aluminum plating anti-counterfeiting pattern layer, and a shielding layer is arranged at the hollowed part of the first aluminum plating layer.
The aluminum layer connection coating is used for improving the binding force between the first aluminum plating layer and the second aluminum plating layer, and the binding force between the second aluminum plating layer and the first aluminum plating layer after being processed is seriously influenced because the shielding layer and the aluminum oxide layer formed by oxidizing the aluminum layer are arranged on the surface after the first aluminum plating layer is processed. Meanwhile, the coating improves the problem of uneven surface caused by the first aluminum plating layer aluminum plating pattern and the shielding layer, and enhances the mirror effect of the second aluminum plating layer.
The second aluminum-plated layer is used for shielding the first aluminum-plated layer (the hollowed aluminum-plated anti-counterfeiting pattern layer), the hollowed aluminum-plated pattern is hidden between the thin film layer structures, pattern information cannot be observed at ordinary times, and the anti-counterfeiting pattern information can be found only through light transmission observation of a strong light source (more than 25 lumens).
The arrangement of the strong light source adopted when the internal hollowed-out aluminized pattern is observed is preferably but not limited to a flashlight and a flashlight of a camera of a mobile phone which are common in life.
Further, the aluminum layer connection coating comprises the following raw materials in percentage by weight:
further, the film-forming resin of the present invention is any one of nitrocellulose, cellulose acetate butyrate, perchloroethylene resin, polystyrene resin, and rosin resin.
The aluminum layer connection coating has the following functions:
acrylic acid modified alkyd resin: the adhesive force between the main agent resin and the aluminum layer is strong;
film-forming resin: promoting the film forming property of the coating and improving the leveling property of the coating;
phosphate ester-modified acrylic resin: the leveling agent is used for keeping the leveling of the coating, assisting the uniformity of the coating and improving the wetting property of the substrate;
dioctyl phthalate: a plasticizer;
methyl isobutyl ketone: the auxiliary solvent prevents the occurrence of coating shrinkage cavity;
propylene glycol monomethyl ether: the auxiliary solvent improves the leveling property of the coating;
butyl acetate: the main solvent is dried slightly and slowly, so that the coating is prevented from drying too fast to influence the leveling;
ethyl acetate: a main solvent.
The packaging coating in the prior art mostly adopts an acrylic resin coating, the acrylic resin coating has the advantages of strong color and gloss retention, good weather resistance, transparent coating and excellent decorative performance, but the acrylic resin has the defects of prominent defects, mainly insufficient film-forming property, poor leveling property, weaker bonding force with a coated object, higher price and unfavorable cost control.
Although the alkyd resin has poor weather resistance, the alkyd resin shows an extra good film-forming property due to low molecular weight, so that a coating film has very high gloss, good coating leveling property, wide application range and very strong bonding force with a coated object, and the key is that the cost is greatly reduced.
The acrylic acid modified alkyd resin adopted by the aluminum layer connection coating is a coating resin combining alkyd and acrylic acid through a crosslinking reaction, the easy coating performance of alkyd and the gloss and color retention performance of acrylic acid are highlighted, the binding force requirement of the coating and a coated object is ensured, and the production cost is greatly reduced.
A method for manufacturing a hidden hollow-out aluminized pattern holographic anti-counterfeiting film is characterized by comprising the following steps:
1) selecting a biaxial stretching base film as a base film layer;
2) coating an impression coating on the base film layer, and drying;
3) imprinting a holographic information pattern on the imprinting coating to form a holographic information layer;
4) printing a perfluoropolyether layer on the holographic information layer by using a printing plate roller to serve as a shielding layer, wherein the shielding layer partially covers the holographic information layer, the shielding layer is subjected to aluminizing after being dried instantly, and the part of the holographic information layer, which is not printed with the shielding layer, is aluminized to form a first aluminized layer;
5) coating an aluminum layer connection coating on the first aluminum layer in a full-page manner, wherein the coating temperature is 90-150 ℃, the drying time is 5-10s, and the dry coating amount of the coating is 0.5-0.8g/m2；
6) Fully aluminizing the aluminum layer connection coating to form a second aluminized layer with the thickness of the second aluminized layer
In the step 5) of the manufacturing method, the aluminum layer connection coating is lower than the traditional coating in dry coating amount which is more than 1g/m2The increase affects the flexibility of the coating, reduces the plasticity of the product and increases the production cost.
In step 6) of the manufacturing method, the thickness parameter of the second aluminum plating layer is very critical to the finished product effect of the product, if the thickness of the second aluminum plating layer is too thick, the second aluminum plating layer forms very strong covering power on the pattern of the first aluminum plating layer, and the pattern of the first aluminum plating layer is not easy to observe; if the thickness of the second aluminum plating layer is too thin, the second aluminum plating layer does not have a shielding effect on the pattern of the first aluminum plating layer, and the pattern is easily observed under flat light, so that the anti-counterfeiting protection effect cannot be realized.
The base film layer of the present invention is preferably, but not limited to, a BOPET film, a BOPP film.
Furthermore, the embossing coating of the invention is a thermoplastic acrylic resin composite coating, and the dry coating weight is 1.0-1.2g/m2The drying temperature is 100-130 ℃, and the drying time is 5-10S.
Furthermore, the embossing coating of the invention is an acetate cellulose embossing transfer coating, and the coating dry weight is 0.9-1.2g/m2The drying temperature is 80-110 ℃, and the drying time is 5-10S.
Further, the preparation method of the aluminum layer connection coating comprises the following steps:
1) dividing butyl acetate into two parts according to the proportion of 3:1, putting the large part of butyl acetate into a container, slowly adding acrylic acid modified alkyd resin under the stirring state, and continuously stirring for about 30min to fully dissolve the acrylic acid modified alkyd resin to form a first solution;
2) putting a small part of butyl acetate into a container, slowly adding the phosphate modified acrylic resin under the stirring state, and continuously stirring for about 30min to fully dissolve the phosphate modified acrylic resin to form a second solution;
3) dividing ethyl acetate into two parts according to the proportion of 1:1, putting one part of ethyl acetate into a container, slowly adding the film-forming resin under stirring, and continuously stirring for about 30min to fully dissolve the film-forming resin to form a third solution;
4) slowly adding the second solution and the third solution into the first solution under stirring, continuously and slowly adding dioctyl phthalate, methyl isobutyl ketone and propylene glycol monomethyl ether, finally adding another part of ethyl acetate, and continuously stirring for 15 min.
When the aluminum layer connection coating is manufactured, three kinds of resins are respectively dissolved by using solvents and then mixed, so that the problem that the resins are mutually influenced by the solvents in the same system to form a molecular group which is difficult to dissolve is avoided.
The invention has the following advantages:
1) the hollowed-out aluminized pattern on the surface of the film is hidden between the film layer structures, so that the hollowed-out aluminized pattern information cannot be observed at ordinary times, and the anti-counterfeiting pattern information can be found only through the transparent observation of a strong light source, so that the film has exclusivity and the anti-counterfeiting performance is improved;
2) according to the invention, the aluminum layer connection coating is used between the first aluminum plating layer and the second aluminum plating layer to improve the adhesive force and the tightness, so that the layer structure is prevented from being separated, and the product quality is stable;
3) the hollowed-out aluminized anti-counterfeiting pattern is hidden, the display effect of the holographic information pattern on the surface of the anti-counterfeiting film is not influenced, and the design and production of secondary processing such as printing, gold stamping, molding and the like of a package are not disturbed and unnecessary cost loss is not caused;
4) the invention is a first-line anti-counterfeiting product, which can be distinguished by consumers when using the product without the need of identification tools or method training.
Drawings
FIG. 1 is a schematic view of the layer structure of the present invention.
As shown in the figure: 1. a base film layer; 2. embossing the coating; 3. a holographic information layer; 4. a first aluminum plating layer; 5. the aluminum layer is connected with the coating; 6. a second aluminum plating layer; 7. and a shielding layer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
1) Selecting a BOPET film as a base film layer 1;
2) coating an imprinting coating 2 on the base film layer, and drying;
the impression coating 2 is a thermoplastic acrylic resin composite coating with a dry coating weight of 1.0g/m2The drying temperature is 100 ℃ and 130 ℃ (the drying temperature is 5 groups, the temperature is 100 ℃, 110 ℃, 130 ℃, 120 ℃ and 100 ℃), and the drying time is 8 s.
3) Embossing a holographic information pattern on the embossed coating 2 to form a holographic information layer 3;
4) printing a perfluoropolyether layer on the holographic information layer 3 by using a printing plate roller to serve as a shielding layer 7, wherein the shielding layer 7 partially covers the holographic information layer 3, the shielding layer 7 is dried instantly and then aluminized, and the part of the holographic information layer 3 which is not printed with the shielding layer 7 is aluminized to form a first aluminized layer 4;
5) the first aluminum-plated layer 4 is full coated with an aluminum layer connection coating 5 at a coating temperature of 90-150 ℃ (the oven is 5 sets, the temperature is set as: drying at 90 deg.C, 120 deg.C, 150 deg.C, 130 deg.C, 100 deg.C for 6s, and coating dry weight of 0.5g/m2；
The aluminum layer connection coating 5 comprises the following raw materials in percentage by weight:
the preparation method of the aluminum layer connection coating 5 comprises the following steps:
5-1) dividing butyl acetate into two parts according to the proportion of 3:1, putting the large part of butyl acetate into a container, slowly adding acrylic acid modified alkyd resin under the stirring state, and continuously stirring for about 30min to fully dissolve the acrylic acid modified alkyd resin to form a first solution;
5-2) putting a small part of butyl acetate into a container, slowly adding the phosphate modified acrylic resin under the stirring state, and continuously stirring for about 30min to fully dissolve the phosphate modified acrylic resin to form a second solution;
5-3) dividing ethyl acetate into two parts according to the proportion of 1:1, putting one part of ethyl acetate into a container, slowly adding the film-forming resin under stirring, and continuously stirring for about 30min to fully dissolve the film-forming resin to form a third solution;
5-4) slowly adding the second solution and the third solution into the first solution under stirring, continuously and slowly adding dioctyl phthalate, methyl isobutyl ketone and propylene glycol monomethyl ether, finally adding another part of ethyl acetate, and continuously stirring for 15 min.
6) Fully aluminizing the aluminum layer connection coating 5 to form a second aluminized layer 6, wherein the thickness of the second aluminized layer 6 is
The anti-counterfeiting film product prepared by the embodiment can not observe the hollow aluminum-plated pattern information at ordinary times, and the hollow aluminum-plated pattern information can be found only through the light transmission observation of a camera flash lamp or a flashlight of a mobile phone.
Example 2
1) Selecting a BOPP film as a base film layer 1;
2) coating an imprinting coating 2 on the base film layer 1 and drying;
the impression coating 2 is a thermoplastic acrylic resin composite coating with a dry coating weight of 1.2g/m2The drying temperature is 100 ℃ to 130 ℃ (5 oven groups, the temperature is 100 ℃, 110 ℃, 130 ℃, 120 ℃ to 100 DEG C) The drying time is 10 s.
4) Embossing a holographic information pattern on the embossed coating 2 to form a holographic information layer 3;
4) printing a perfluoropolyether layer on the holographic information layer 3 by using a printing plate roller to serve as a shielding layer 7, wherein the shielding layer 7 partially covers the holographic information layer 3, the shielding layer 7 is dried instantly and then aluminized, and the part of the holographic information layer 3 which is not printed with the shielding layer 7 is aluminized to form a first aluminized layer 4;
5) the first aluminum-plated layer 4 is full coated with an aluminum layer connection coating 5 at a coating temperature of 90-150 ℃ (the oven is 5 sets, the temperature is set as: drying at 90 deg.C, 120 deg.C, 150 deg.C, 130 deg.C, 100 deg.C for 10s, and coating dry weight of 0.8g/m2；
The aluminum layer connection coating 5 comprises the following raw materials in percentage by weight:
the aluminum layer connection coat 5 was prepared in the same manner as in example 1.
6) Fully aluminizing the aluminum layer connection coating 5 to form a second aluminized layer 6 with the thickness of the second aluminized layer being
The product obtained in this example was used as in example 1.
Example 3
1) Selecting a BOPET film as a base film layer 1;
2) coating an imprinting coating 2 on the base film layer 1 and drying;
the impression coating 2 is an acetate cellulose impression transfer coating with a dry coating weight of 1.0g/m2The drying temperature is 80-110 deg.C (5 oven groups, temperature is set at 80 deg.C, 90 deg.C, 110 deg.C, 100 deg.C, 90 deg.C), and drying time is 8 s.
5) Embossing a holographic information pattern on the embossed coating 2 to form a holographic information layer 3;
4) printing a perfluoropolyether layer on the holographic information layer 3 by using a printing plate roller to serve as a shielding layer 7, wherein the shielding layer 7 partially covers the holographic information layer 3, the shielding layer 7 is dried instantly and then aluminized, and the part of the holographic information layer 3 which is not printed with the shielding layer 7 is aluminized to form a first aluminized layer 4;
5) the first aluminum-plated layer 4 is full coated with an aluminum layer connection coating 5 at a coating temperature of 90-150 ℃ (the oven is 5 sets, the temperature is set as: drying at 90 deg.C, 120 deg.C, 150 deg.C, 130 deg.C, 100 deg.C for 8s, and coating dry weight of 0.7g/m2；
The aluminum layer connection coating 5 comprises the following raw materials in percentage by weight:
the aluminum layer connection coat 5 was prepared in the same manner as in example 1.
6) Fully aluminizing the aluminum layer connection coating 5 to form a second aluminized layer 6, wherein the thickness of the second aluminized layer 6 is
The product obtained in this example was used as in example 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. The hidden hollow aluminized pattern holographic anti-counterfeiting film is characterized by sequentially comprising the following components from top to bottom: the holographic printing ink comprises a base film layer, an imprinting coating, a holographic information layer, a first aluminum plating layer, an aluminum layer connection coating and a second aluminum plating layer, wherein the first aluminum plating layer is a hollowed aluminum plating anti-counterfeiting pattern layer, and a shielding layer is arranged at the hollowed part of the first aluminum plating layer.
2. The holographic anti-counterfeiting film with the hidden hollowed-out aluminum plating pattern according to claim 1, wherein the aluminum layer connection coating comprises the following raw materials in percentage by weight:
3. the hidden hollow-out aluminum-plated pattern holographic anti-counterfeiting film as claimed in claim 2, wherein the film-forming resin is any one of cellulose nitrate, cellulose acetate butyrate, perchloroethylene resin, polystyrene resin and rosin resin.
4. The manufacturing method of the hidden hollow-out aluminum-plated pattern holographic anti-counterfeiting film according to claim 1 is characterized by comprising the following steps:
1) selecting a biaxial stretching base film as a base film layer;
2) coating an impression coating on the base film layer, and drying;
3) imprinting a holographic information pattern on the imprinting coating to form a holographic information layer;
4) printing a perfluoropolyether layer on the holographic information layer by using a printing plate roller to serve as a shielding layer, wherein the shielding layer partially covers the holographic information layer, the shielding layer is subjected to aluminizing after being dried instantly, and the part of the holographic information layer, which is not printed with the shielding layer, is aluminized to form a first aluminized layer;
5) coating an aluminum layer connection coating on the first aluminum layer in a full-page manner, wherein the coating temperature is 90-150 ℃, the drying time is 5-10s, and the dry coating amount of the coating is 0.5-0.8g/m2；
6) Fully aluminizing the aluminum layer connection coating to form a second aluminized layer with the thickness of the second aluminized layer
5. The method for manufacturing the hidden type hollowed-out aluminum-plated pattern holographic anti-counterfeiting film according to claim 4, wherein the imprinting coating is a thermoplastic acrylic resin composite coating with a dry coating weight of 1.0-1.2g/m2The drying temperature is 100-130 ℃, and the drying time is 5-10S.
6. The method for making the hidden type hollowed-out aluminum-plated pattern holographic anti-counterfeiting film according to claim 4, wherein the imprinting coating is an acetate cellulose imprinting transfer coating, and the coating dry weight is 0.9-1.2g/m2The drying temperature is 80-110 ℃, and the drying time is 5-10S.
7. The method for manufacturing the hidden type hollowed-out aluminum-plated pattern holographic anti-counterfeiting film according to claim 4, wherein the preparation method of the aluminum layer connection coating comprises the following steps:
1) dividing butyl acetate into two parts according to the proportion of 3:1, putting the large part of butyl acetate into a container, slowly adding acrylic acid modified alkyd resin under the stirring state, and continuously stirring for about 30min to fully dissolve the acrylic acid modified alkyd resin to form a first solution;
2) putting a small part of butyl acetate into a container, slowly adding the phosphate modified acrylic resin under the stirring state, and continuously stirring for about 30min to fully dissolve the phosphate modified acrylic resin to form a second solution;
3) dividing ethyl acetate into two parts according to the proportion of 1:1, putting one part of ethyl acetate into a container, slowly adding the film-forming resin under stirring, and continuously stirring for about 30min to fully dissolve the film-forming resin to form a third solution;
4) slowly adding the second solution and the third solution into the first solution under stirring, continuously and slowly adding dioctyl phthalate, methyl isobutyl ketone and propylene glycol monomethyl ether, finally adding another part of ethyl acetate, and continuously stirring for 15 min.
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