CN215251984U - Anti-counterfeiting aluminum-sprayed paper with semitransparent patterns - Google Patents
Anti-counterfeiting aluminum-sprayed paper with semitransparent patterns Download PDFInfo
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- CN215251984U CN215251984U CN202120585695.XU CN202120585695U CN215251984U CN 215251984 U CN215251984 U CN 215251984U CN 202120585695 U CN202120585695 U CN 202120585695U CN 215251984 U CN215251984 U CN 215251984U
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Abstract
The utility model discloses an anti-fake aluminium paper that spouts with translucent pattern, including superpose in proper order from type layer, information layer, protective layer, aluminize layer, glue film and paper, the protective layer forms for local coating. The utility model discloses utilize the poor characteristic of adhesive force of aluminizing layer on silicone oil, at information layer with accurate coating mode location coating silicone oil protective layer, the aluminium lamination of aluminizing back silicone oil protection presents translucent pattern, under the visible light source back irradiation, the translucent pattern of accurate positioning has novel anti-fake effect.
Description
Technical Field
The utility model belongs to the technical field of the transfer paper technique and specifically relates to an anti-fake aluminium paper that spouts with translucent pattern is related to.
Background
The existing aluminum washing transfer membrane is generally produced by a method of coating a protective layer, alkali liquor or washing aluminum, the cost of the aluminum washing process is high, the fluctuation of positioning precision caused by a heating and drying process of the membrane after aluminum washing is large (the membrane is shrunk and deformed due to heating and drying), a large amount of aluminum-containing alkali liquor is discharged by an alkali washing method, aluminum-containing slag waste water is discharged by a water washing method, the environment-friendly requirement is not met, and the aluminum washing transfer membrane belongs to an obsolete production process which needs technology upgrading urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an anti-fake aluminium paper that spouts with translucent pattern, utilize the loose characteristic that is translucent form of aluminizing layer deposit on silicone oil, at the information layer with accurate coating mode location coating silicone oil protective layer, the aluminium lamination of aluminizing back silicone oil protection presents translucent pattern, under visible light source back irradiation, the translucent pattern of accurate positioning has novel anti-fake effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the anti-counterfeiting aluminum-sprayed paper with the semitransparent patterns comprises a release layer, an information layer, a protective layer, an aluminum-plated layer, an adhesive layer and paper which are sequentially overlapped, wherein the protective layer is formed by local coating.
The protective layer is an organic silicone oil protective layer.
The coating moisture content of the protective layer is 5-5.5g/m2。
The coating temperature of the protective layer is 60 ℃, 100 ℃, 115 ℃, 110 ℃, 90 ℃ and 60 ℃, and the speed is 100 ℃ and 110 m/min.
The thickness of the aluminum plating layer is 0.03-0.04 μm.
And forming a semitransparent pattern at the coating position of the protective layer.
The adhesive layer is double-component dry-type composite polyurethane transfer adhesive.
The utility model has the advantages that:
1. the semitransparent pattern is accurately positioned by directly plating aluminum after the protective layer is coated, subsequent aluminum washing is not needed, and the discharge of waste water and waste liquid is reduced;
2. screening organic silicon oil as a light transmission agent of the aluminum coating by utilizing the characteristic of loose adhesion of the aluminum coating on the organic silicon oil protective layer;
3. the phenomenon of false edges caused by precise coating of low-viscosity materials is avoided by adopting a thickening method;
4. the semitransparent area after aluminizing is an aluminum layer doped with organic silicone oil, and is matched with double-component dry-type composite polyurethane transfer glue, so that the problem of the composite fastness of the transfer paper produced by the method is solved.
Drawings
FIG. 1 is a schematic view of the present invention in its manufacture;
fig. 2 is a schematic diagram of the structure of the finished product of the present invention.
In the figure: base film 1, release layer 2, information layer 3, protective layer 4, aluminized layer 5, glue film 6, paper 7.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, the anti-counterfeiting aluminum-sprayed paper with the semitransparent pattern comprises a release layer 2, an information layer 3, a protective layer 4, an aluminum-plated layer 5, an adhesive layer 6 and paper 7 which are sequentially stacked, wherein the protective layer 4 is formed by local coating.
The protective layer 4 is a silicone oil protective layer.
The coating moisture content of the protective layer 4 is 5-5.5g/m2。
The coating temperature of the protective layer 4 is 60 ℃, 100 ℃, 115 ℃, 110 ℃, 90 ℃ and 60 ℃, and the coating speed is 100 ℃ and 110 m/min.
The thickness of the aluminum-plated layer 5 is 0.03-0.04 μm.
The coating position of the protective layer 4 forms a semitransparent pattern.
The adhesive layer 6 is double-component dry-type composite polyurethane transfer adhesive.
The production process of the invention comprises the following steps:
a release layer 2 is coated on the base film 1, and the base film 1 is a PET film. The information layer 3 is impressed on the release layer 2, the information layer is coated with a protective layer 4 in the prior art, the protective layer 4 is non-full-page coated, the coating of the protective layer 4 is realized by an anilox roller, the local part of the anilox roller is provided with an anilox, the protective layer 4 can be coated at the position with the anilox, and the position without the anilox is not coated. The formula of the protective layer 4 is as follows: 98 percent of organic silicone oil and 2 percent of solvent, wherein the organic silicone oil is dimethyl silicone oil, and the solvent comprises 25 to 28 parts of gasoline, 43 to 55 parts of ethyl acetate, 30 to 35 parts of n-propyl ester and 0.2 to 0.25 part of thickening agent. Wherein the gasoline is 120# gasoline, and the thickener is C-27 thickener. Then, aluminum plating is performed on the protective layer 4 in vacuum to form an aluminum plated layer 5.
The viscosity of the thickened protective layer 4 tested by a Cheen 2# cup is 26-35S, and the phenomenon of the virtual edge of the low-viscosity protective layer 4 precisely coated is avoided by adopting a thickening method.
The aluminum-plated layer 5 has poor adhesion at the position coated with the protective layer 4 and is relatively loose (compared with the position not coated with the protective layer 4), the organic silicone oil protective layer is transparent, and the aluminum-plated layer 5 adhered at the position coated with the organic silicone oil is loose, so that the information layer 3 coated with the organic silicone oil has a semitransparent effect. The rest of the places without being coated with the organic silicone oil can improve the reflection effect and well present the information layer 3 because the aluminum coating layer 5 is compact and lightproof. The method specifically comprises the following steps: a translucent area of the transfer paper, with a light transmittance of 8-20% (visible light); other areas normally aluminized had a light transmission of 0.3-0.8% (visible light).
After aluminizing, the composite paper 7 is transferred after the glue coating layer 6, i.e. the base film 1 is peeled.
After the organic silicon oil is coated, because the surface tension of the organic silicon oil is small, although an aluminum layer exists after aluminum plating, the organic silicon oil has certain seepage, and if common glue is used, the organic silicon oil has certain fastness with the aluminum layer, but the seepage place of the organic silicon oil has no bonding fastness, so that local transfer cannot be caused, and the organic silicon oil is not well stripped, and therefore a double-component dry type composite polyurethane transfer adhesive (namely AB adhesive) with good fastness needs to be used, and the free radicals and molecules of the double-component dry type composite polyurethane transfer adhesive generate stronger bonding force.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An anti-counterfeiting aluminum-sprayed paper with a semitransparent pattern is characterized in that: including in proper order superpose from type layer (2), information layer (3), protective layer (4), aluminize layer (5), glue film (6) and japanese paper (7), protective layer (4) are formed for local coating.
2. An anti-counterfeit aluminum-sprayed paper with a translucent pattern as claimed in claim 1, wherein: the protective layer (4) is an organic silicone oil protective layer.
3. An anti-counterfeit aluminum-sprayed paper with a translucent pattern as claimed in claim 1, wherein: the moisture content of the protective layer (4) is 5-5.5g/m2。
4. An anti-counterfeit aluminum-sprayed paper with a translucent pattern as claimed in claim 1, wherein: the coating temperature of the protective layer (4) is 60 ℃, 100 ℃, 115 ℃, 110 ℃, 90 ℃, 60 ℃, and the vehicle speed is 100-.
5. An anti-counterfeit aluminum-sprayed paper with a translucent pattern as claimed in claim 1, wherein: the thickness of the aluminum plating layer (5) is 0.03-0.04 mu m.
6. An anti-counterfeit aluminum-sprayed paper with a translucent pattern as claimed in claim 1, wherein: the coating position of the protective layer (4) forms a semitransparent pattern.
7. An anti-counterfeit aluminum-sprayed paper with a translucent pattern as claimed in claim 1, wherein: the glue layer (6) is double-component dry-type composite polyurethane transfer glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120585695.XU CN215251984U (en) | 2021-03-23 | 2021-03-23 | Anti-counterfeiting aluminum-sprayed paper with semitransparent patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120585695.XU CN215251984U (en) | 2021-03-23 | 2021-03-23 | Anti-counterfeiting aluminum-sprayed paper with semitransparent patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215251984U true CN215251984U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120585695.XU Active CN215251984U (en) | 2021-03-23 | 2021-03-23 | Anti-counterfeiting aluminum-sprayed paper with semitransparent patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215251984U (en) |
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2021
- 2021-03-23 CN CN202120585695.XU patent/CN215251984U/en active Active
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