CN112622466A - Holographic double-zero aluminum foil production process - Google Patents
Holographic double-zero aluminum foil production process Download PDFInfo
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- CN112622466A CN112622466A CN202011408982.XA CN202011408982A CN112622466A CN 112622466 A CN112622466 A CN 112622466A CN 202011408982 A CN202011408982 A CN 202011408982A CN 112622466 A CN112622466 A CN 112622466A
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- holographic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
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- 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
- B41M3/12—Transfer pictures or the like, e.g. decalcomanias
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- 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
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Abstract
The invention discloses a holographic double-zero aluminum foil production process, which utilizes a holographic pressing method to stamp a holographic image on a coating film to obtain a holographic layer; heating aluminum metal to evaporate under a set vacuum state so that aluminum molecules are condensed on the surface of the holographic layer to obtain an aluminum-plated layer; coating the aluminum-plated layer to obtain a transfer coating; carrying out reactive compounding on a holographic transfer film containing a holographic layer, an aluminum-plated layer and a transfer coating and a double-zero aluminum foil; and stripping the double-zero aluminum foil in a mode of stripping and rolling at the same time to obtain the holographic double-zero aluminum foil. The compounding process adopts solvent-free, electron beam and other compounding processes, and no VOCs is discharged in the whole process, so that the application of a green production mode is realized, and the environment is protected.
Description
Technical Field
The invention relates to the technical field of cigarette packets or food packaging, in particular to a holographic double-zero aluminum foil production process.
Background
The holographic aluminum foil is used as a packaging base material with good aesthetic property and anti-counterfeiting property, has wide application, and can be widely applied to the production field of packaging materials such as tobacco, food, medicines and the like; in the current production process, a solvent type dry compounding mode (compounding of a transfer film and aluminum foil paper) is often adopted, a large amount of VOCs are easily generated, and the environment is polluted.
Disclosure of Invention
The invention aims to provide a holographic double-zero aluminum foil production process which is more environment-friendly.
In order to realize the aim, the invention provides a holographic double-zero aluminum foil production process, which comprises the following steps:
utilizing a holographic pressing method to print a holographic image on the coating film to obtain a holographic layer;
heating aluminum metal to be evaporated in a set vacuum state, and condensing aluminum molecules on the surface of the holographic layer to obtain an aluminum-plated layer;
coating the aluminum-plated layer to obtain a transfer coating;
carrying out reactive compounding on the holographic transfer film containing the holographic layer, the aluminum-plated layer and the transfer coating and a double-zero aluminum foil;
and stripping the double-zero aluminum foil in a mode of stripping and rolling at the same time to obtain the holographic double-zero aluminum foil.
Wherein, utilize holographic pressing method, stamp the holographic image on the coating film, get the holographic layer, including:
imaging the holographic image on the photoetching glass coating plate by a photographing method or a photoetching method;
and copying the holographic image onto a metal nickel plate by an electroforming method, and heating and imprinting to obtain the holographic layer.
Wherein the coated film comprises a BOPP film or a coated PET film.
Wherein coating on the aluminized layer to obtain a transfer coating comprises:
coating the water-based paint on the surface of the aluminum-plated layer to obtain a transfer coating
Wherein the reactive compounding is dry compounding by adopting a solvent-based adhesive.
Wherein the reactive compounding is solvent-free compounding with 100% solid solvent-free adhesive.
Wherein the thickness of the double-zero aluminum foil is 0.006mm-0.007 mm.
Wherein, the holographic transfer film containing the holographic layer, the aluminum coating layer and the transfer coating layer is reacted with a double-zero aluminum foil for compounding, which comprises the following steps:
and drying the holographic transfer film and the double-zero aluminum foil after compounding by using an electron beam.
The invention relates to a holographic double-zero aluminum foil production process, which comprises the steps of utilizing a holographic pressing method to stamp a holographic image on a coating film to obtain a holographic layer; heating aluminum metal to evaporate under a set vacuum state so that aluminum molecules are condensed on the surface of the holographic layer to obtain an aluminum-plated layer; coating the aluminum-plated layer to obtain a transfer coating; carrying out reactive compounding on the holographic transfer film containing the holographic layer, the aluminum-plated layer and the transfer coating and a double-zero aluminum foil; through the mode of peeling off while rolling, will the double-zero aluminium foil is peeled off, obtains holographic double-zero aluminium foil, and the composite process adopts composite technology processes such as solvent-free, electron beam, and whole journey does not have VOCs and discharges, realizes the application of green production mode, more green.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the steps of a holographic double-zero aluminum foil production process provided by the invention.
Fig. 2 is a schematic structural diagram of a holographic double-zero aluminum foil provided by the invention.
1-holographic layer, 2-aluminum coating layer, 3-transfer coating layer, 4-composite glue layer and 5-double zero aluminum foil.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 and 2, the present invention provides a holographic double-zero aluminum foil production process, which comprises the following steps:
s101, utilizing a holographic pressing method to print a holographic image on the coating film to obtain the holographic layer 1.
Specifically, the image is formed on a photoetching glass coating plate by a photographing method or a photoetching method, and a holographic image on the image is copied to a metal nickel plate by an electroforming method, wherein a holographic mould pressing plate can be formed by the processes of patterns or characters, photoetching casting plate, plate splicing and the like by a photoetching machine; and then attaching a metal nickel plate with a holographic laser image on the circumferential surface of a metal steel roller as a die pressing plate, attaching the heated coating film to the die pressing plate, and impressing the holographic image on the die pressing plate onto the coating film to manufacture the holographic layer 1, wherein the coating film comprises a BOPP film or a PET film with a coating. A transfer-grade PET film or BOPP film is adopted, and holographic patterns and characters are pressed on the surface of the transfer-grade PET film or BOPP film by using mould pressing equipment and a holographic plate roller to form a holographic layer 1.
S102, heating aluminum metal to be evaporated in a set vacuum state, and condensing aluminum molecules on the surface of the holographic layer 1 to obtain an aluminum-plated layer 2.
Specifically, aluminum is plated on the surface of the pressed holographic layer 1 to form an aluminum plated layer 2, and the holographic aluminum plated layer is manufactured (vacuum evaporation process). The vacuum aluminum plating process is to heat and melt aluminum metal to be evaporated in a high vacuum state, so that aluminum molecules are condensed on the surface of a base material to form an extremely thin aluminum layer. The brightness of the holographic pattern or character can be improved by utilizing the vacuum aluminum plating process.
And S103, coating the aluminum-plated layer 2 to obtain a transfer coating 3.
Specifically, a water-based paint is coated on the surface of the film plated with aluminum to prepare the holographic transfer film with transfer capacity (water-based paint coating process). The coating process is a processing technology for uniformly coating various coatings on the surface of a base material, and is a process for uniformly coating the coatings on an anilox roller and then drying the coatings by hot air to roll the coatings.
S104, carrying out reactive compounding on the holographic transfer film containing the holographic layer 1, the aluminum-plated layer 2 and the transfer coating 3 and the double-zero aluminum foil 5.
Specifically, the holographic transfer film is solvent-free compounded or dry compounded with a double-zero aluminum foil 5. Wherein, the thickness of the aluminum foil is as follows: 0.006mm-0.007 mm; solvent-free compounding: the method is a method for compounding two base materials together on a solvent-free compounding machine by adopting a 100 percent solid solvent-free adhesive, and is also called reactive compounding. The solvent-free compounding and electron beam technology is applied, the special 100 percent solid solvent-free adhesive is adopted for compounding, and the compound adhesive layer 4 is obtained by rapidly drying the compound adhesive in an electron beam mode. An advanced automatic tension system, an accurate photoelectric deviation rectifying system and an automatic gluing system with strong controllability are applied, and the quality of the holographic double-zero aluminum foil is improved by a powerful guarantee. The coating process adopts water paint, which is beneficial to environmental protection. The compounding process adopts a solvent-free production mode and an advanced electron beam production process, no VOCs is discharged in the whole process, and the application of a green production mode is realized. The product produced by the process has various safety and sanitation performances far superior to those of the traditional solvent-based dry compounding process, the production efficiency is more than 2 times that of the old dry compounding process, the process is more energy-saving and efficient, and the total electric energy can be saved by more than 60%.
And S105, stripping the double-zero aluminum foil 5 in a mode of stripping and rolling at the same time to obtain the holographic double-zero aluminum foil.
Specifically, the strippable function of the holographic transfer film is utilized, and the film is stripped from the surface of the composite product in a mode of stripping and rolling simultaneously, so that holographic patterns and characters on the surface of the holographic transfer film are transferred to the surface of an aluminum foil, and finally the holographic double-zero aluminum foil product is formed. And (3) peeling the film and the double-zero aluminum foil and respectively rolling the film and the double-zero aluminum foil on equipment with high precision requirements by using a peeling technology to realize the holographic double-zero aluminum foil with holographic patterns or characters. Because the main material used by the process is the double-zero aluminum foil, the thickness of the double-zero aluminum foil is very thin, and the double-zero aluminum foil is easy to tear, bend and deform, so that the process has the following requirements:
1. the tension system and the deviation correcting system of the equipment for compounding, stripping and the like are advanced, so that the surface of the aluminum foil is smooth and the coiling end face is neat in the compounding, stripping and coiling processes, otherwise, the phenomena of inconsistent coiling tightness, frequent cockling, even fracture and the like of the aluminum foil can occur;
2. in order to ensure the uniformity of gluing, an automatic composite glue control system is needed, otherwise, wrinkles, tearing and the like are caused by uneven gluing thickness.
The holographic aluminum foil produced by the process has the surface which can not have the problems of poor color fastness, color loss, ink explosion and the like after being printed. Aiming at the characteristics of thin thickness, small pulling force, easy breakage and the like of 0.006mm-0.007mm aluminum foil for tobacco and food, in the production process, specific tension control and system control are adopted to meet the requirement of winding into a reel
The holographic double-zero aluminum foil manufactured by the process has the advantages that the uppermost holographic layer 1 is an aluminum-plated layer 2, a transfer coating layer 3 and a composite adhesive layer 4 which are arranged downwards in sequence, and the lowermost layer is a double-zero aluminum foil 5 (base material), as shown in figure 2, the problems of poor color fastness, color fading, ink explosion and the like cannot occur on the surface of the holographic aluminum foil manufactured by the process after printing. The whole process of the production process adopts a green and environment-friendly production process which is mainly shown in that: the holographic transfer film is coated with water paint, and the production of the holographic transfer film by combining with double-zero aluminum foil adopts an advanced electron beam and solvent-free combination mode. Therefore, the process mainly adopts an environment-friendly production mode, effectively solves the problems of discharge of VOCs and generation of hazardous wastes in the production process, accords with the environment-friendly concept of the current society, and has considerable social benefits.
A composite process with low energy consumption. The holographic transfer film is compounded with the double-zero aluminum foil in the production process, an electron beam and solvent-free production mode is adopted, an oven is not used for heating, the compounding production efficiency is more than 2 times of the traditional compounding production efficiency, and the electric energy is obviously saved.
The holographic aluminum foil produced by the process can be directly compounded with other materials (such as paper and films), and compared with the original solvent-based dry compounding mode, the holographic aluminum foil solves the problem of environmental protection of downstream production enterprises, simplifies the production process of downstream customers, shortens the production period of the customers, saves the production cost and labor cost, and has obvious economic benefit.
The invention relates to a holographic double-zero aluminum foil production process, which comprises the steps of utilizing a holographic pressing method to stamp a holographic image on a coating film to obtain a holographic layer 1; heating aluminum metal to evaporate under a set vacuum state to condense aluminum molecules on the surface of the holographic layer 1, so as to obtain an aluminum-plated layer 2; coating the aluminum-plated layer 2 to obtain a transfer coating 3, and performing reactive compounding on a holographic transfer film containing the holographic layer, the aluminum-plated layer and the transfer coating and a double-zero aluminum foil 5; through the mode of peeling off while rolling, will double-zero aluminium foil 5 peels off, obtains holographic double-zero aluminium foil, and the composite process adopts compound technology such as solvent-free, electron beam, and whole journey does not have VOCs and discharges, realizes the application of green production mode, more green.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A holographic double-zero aluminum foil production process is characterized by comprising the following steps:
utilizing a holographic pressing method to print a holographic image on the coating film to obtain a holographic layer;
heating aluminum metal to be evaporated in a set vacuum state, and condensing aluminum molecules on the surface of the holographic layer to obtain an aluminum-plated layer;
coating the aluminum-plated layer to obtain a transfer coating;
carrying out reactive compounding on the holographic transfer film containing the holographic layer, the aluminum-plated layer and the transfer coating and a double-zero aluminum foil;
and stripping the double-zero aluminum foil in a mode of stripping and rolling at the same time to obtain the holographic double-zero aluminum foil.
2. The production process of the holographic double-zero aluminum foil as claimed in claim 1, wherein the holographic layer is obtained by imprinting the holographic image on the coating film by a holographic pressing method, comprising:
imaging the holographic image on the photoetching glass coating plate by a photographing method or a photoetching method;
and copying the holographic image onto a metal nickel plate by an electroforming method, and heating and imprinting to obtain the holographic layer.
3. The production process of holographic double zero aluminum foil as claimed in claim 1, wherein the coating film comprises BOPP film or PET film with coating.
4. The production process of holographic double zero aluminum foil as claimed in claim 1, wherein coating on the aluminum plating layer to obtain a transfer coating comprises:
and coating the water-based paint on the surface of the aluminum-plated layer to obtain the transfer coating.
5. The production process of the holographic double-zero aluminum foil as claimed in claim 1, wherein the reactive compounding is dry compounding using a solvent-based adhesive.
6. The production process of the holographic double-zero aluminum foil as claimed in claim 1, wherein the reactive compounding is solvent-free compounding using 100% solids solvent-free adhesives.
7. The production process of the holographic double zero aluminum foil as claimed in claim 1, wherein the thickness of the double zero aluminum foil is 0.006mm-0.007 mm.
8. The production process of the holographic double-zero aluminum foil as claimed in claim 1, wherein the reaction type compounding of the holographic transfer film containing the holographic layer, the aluminum-plated layer and the transfer coating layer with the double-zero aluminum foil comprises:
and drying the holographic transfer film and the double-zero aluminum foil after compounding by using an electron beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408982.XA CN112622466A (en) | 2020-12-04 | 2020-12-04 | Holographic double-zero aluminum foil production process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011408982.XA CN112622466A (en) | 2020-12-04 | 2020-12-04 | Holographic double-zero aluminum foil production process |
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| CN112622466A true CN112622466A (en) | 2021-04-09 |
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| CN202011408982.XA Pending CN112622466A (en) | 2020-12-04 | 2020-12-04 | Holographic double-zero aluminum foil production process |
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Citations (8)
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|---|---|---|---|---|
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| CN101792650A (en) * | 2010-02-08 | 2010-08-04 | 广东国望精细化学品有限公司 | Solvent-free polyurethane adhesive for flexible package |
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| CN103481637A (en) * | 2013-09-26 | 2014-01-01 | 广东壮丽彩印股份有限公司 | Method for manufacturing holographic moulded plate |
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2020
- 2020-12-04 CN CN202011408982.XA patent/CN112622466A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN1276332A (en) * | 2000-04-14 | 2000-12-13 | 吴德明 | Holographic image located packing film, and its preparing process and usage |
| CN1748995A (en) * | 2005-10-13 | 2006-03-22 | 牛科 | Film coated aluminum foil for medicine and its producing method |
| CN101100144A (en) * | 2007-07-23 | 2008-01-09 | 深圳劲嘉彩印集团股份有限公司 | Moulded holographic graphics and text positioning transfer printing machine |
| CN101792650A (en) * | 2010-02-08 | 2010-08-04 | 广东国望精细化学品有限公司 | Solvent-free polyurethane adhesive for flexible package |
| CN102463757A (en) * | 2010-11-12 | 2012-05-23 | 武汉华工图像技术开发有限公司 | Preparation method of holographic transfer film for replacing holographic gold stamping |
| CN203567269U (en) * | 2013-06-07 | 2014-04-30 | 上海海顺新型药用包装材料股份有限公司 | Environment-friendly medical paper aluminum-plastic composite film |
| CN103481637A (en) * | 2013-09-26 | 2014-01-01 | 广东壮丽彩印股份有限公司 | Method for manufacturing holographic moulded plate |
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