CN113481760A - Manufacturing process of laser packaging material - Google Patents
Manufacturing process of laser packaging material Download PDFInfo
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- CN113481760A CN113481760A CN202110590688.3A CN202110590688A CN113481760A CN 113481760 A CN113481760 A CN 113481760A CN 202110590688 A CN202110590688 A CN 202110590688A CN 113481760 A CN113481760 A CN 113481760A
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- coating
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- film
- base film
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 239000005022 packaging material Substances 0.000 title claims abstract description 21
- 238000007639 printing Methods 0.000 claims abstract description 108
- 238000000576 coating method Methods 0.000 claims abstract description 104
- 239000011248 coating agent Substances 0.000 claims abstract description 101
- 239000000463 material Substances 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 123
- 238000001035 drying Methods 0.000 claims description 29
- 239000012528 membrane Substances 0.000 claims description 26
- 238000007723 die pressing method Methods 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 8
- 239000010931 gold Substances 0.000 abstract description 8
- 229910052737 gold Inorganic materials 0.000 abstract description 8
- 239000003086 colorant Substances 0.000 abstract description 5
- 238000013329 compounding Methods 0.000 abstract description 3
- 238000007747 plating Methods 0.000 abstract description 2
- 238000004049 embossing Methods 0.000 description 13
- 238000004806 packaging method and process Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/24—Pressing or stamping ornamental designs on surfaces
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
Landscapes
- Making Paper Articles (AREA)
Abstract
The invention relates to a manufacturing process of a laser packaging material, which can form required printing pictures and texts and laser pictures and texts at one time by continuously printing, coating and molding on a base film, and the laser packaging material with local laser effect is obtained after film plating and compounding with paper, so that the traditional mode of gold stamping after printing is replaced; because the film materials are not conveyed and transferred among the working procedures, the relative position of the film materials can be kept from shifting in the processes of printing, coating and mould pressing, each independent working procedure of printing, coating and mould pressing can be aligned to the corresponding working position, partial laser patterns can be printed according to characteristic areas or different colors, the diversity of product effects is improved, the continuity and consistency of the whole production process can be ensured, and the production efficiency is improved.
Description
Technical Field
The invention relates to a manufacturing process of a packaging material, in particular to a manufacturing process of a laser packaging material.
Background
The packages of wine, tobacco or high-grade gifts and the like often use laser gold stamping materials to improve the package decoration effect and the anti-counterfeiting grade of products. Most of the existing laser gold stamping materials adopt a gold stamping method of a gold stamping machine to stamp laser patterns on the printed packaging paper. Based on the existing equipment and technology, the following two printing effects are generally included:
the packaging adopts a comprehensive laser effect, and laser patterns are printed on the whole piece of colored packaging paper comprehensively, and the printing has the defect of single gold stamping decoration effect;
and (II) packaging adopts a partial laser effect, a manufacturer needs to respectively produce packaging paper and laser electrochemical aluminum, and patterns on the laser electrochemical aluminum are hot-stamped on the surface of the packaging paper through a hot stamping machine.
If the printing effect is to be enriched, printing of part of laser patterns is carried out according to a specific area or different colors, packaging paper needs to be accurately positioned from a coating machine to a stamping machine, otherwise, the problem of printing dislocation of the laser patterns can occur, and the working procedures of the whole production flow are complicated and the production cost is increased; on the other hand, after the packaging paper and the laser alumite are required to be produced respectively for the local laser effect, hot stamping is carried out, and the packaging paper and the laser alumite are conveyed respectively and need to be accurately positioned during hot stamping, so that the continuity and consistency of the production process are poor, and the production efficiency is also influenced.
Disclosure of Invention
The invention aims to solve the problem of providing a manufacturing process of a laser packaging material, which can greatly simplify the production process and the production flow of the existing laser packaging material, improve the continuity of the production of the whole product, improve the production efficiency and ensure the position accuracy of laser pictures and texts. The technical scheme is as follows:
a manufacturing process of a laser packaging material is characterized by comprising the following steps:
step 1: continuously printing, coating and molding on the base film to form a decorative film, and forming printing pictures and texts and laser pictures and texts on the decorative film;
step 2: coating the area of the laser graph of the decorative film by a vacuum coating machine to form a reflecting medium layer on the area of the laser graph;
and step 3: and coating an adhesive on the decorative film to form an adhesive layer, and adhering the decorative film to the composite substrate to form the laser packaging material.
In the step 1, the continuous printing, coating and embossing of the base film means that the printing, coating and embossing processes of the base film are controlled by the same control system, and the film material is not conveyed and transferred between the processes, so that the relative position of the film can be kept from shifting in the printing, coating and embossing processes of the base film, and each independent printing, coating and embossing process can be aligned to the corresponding operation position.
The composite base material in the step 3 may be paper or other film material.
As a preferred embodiment of the present invention, the step 1 comprises the following steps:
step 1-1: printing the base film to form a printing image-text;
step 1-2: coating paint on the required position of the base film to form a coating;
step 1-3: and (3) carrying out die pressing on the coating by using a laser die pressing plate to form laser pictures and texts on the coating so as to form the decorative film.
Because adopt line printing, coating, mould pressing to carry out accurate operation many times to the base film, can carry out under the condition of operation to one of them color zone, can not be to the regional influence that causes of other colors, consequently, can carry out different functional coating or mould pressing to different color zones on the base film according to production needs, form different radium-shine effects on the base film, improve packaging material's style variety and market adaptability.
As a further preferable embodiment of the present invention, in the steps 1-1 and 1-2, after the base film is printed with one color and is coated with one functional coating, the base film is dried.
As a further preferable scheme of the invention, the base film in the step 1 is printed, coated and molded by a printing, coating and molding integrated machine to form the functional decorative film. In the step 1, the printing, coating and die pressing integrated machine is adopted to print, coat and die press the base film, so that the space cost occupied by corresponding printing equipment, coating equipment and die pressing equipment required in the original production is reduced, and the conveying distance for conveying the film material among the equipment in the original production can be shortened, thereby reducing the time cost required by conveying the film material.
As a further preferable scheme of the invention, the printing, coating and die pressing integrated machine comprises an unwinding mechanism, a film material guiding mechanism, a winding mechanism, a printing mechanism, a first drying mechanism, a coating mechanism and a die pressing mechanism, wherein the film material guiding mechanism is arranged between the unwinding mechanism and the winding mechanism, and the unwinding mechanism, the printing mechanism, the first drying mechanism, the coating mechanism, the die pressing mechanism and the winding mechanism are sequentially arranged according to the conveying direction of the film material.
In the printing, coating and die pressing integrated machine, the processes of conveying, printing, coating and die pressing of the film material are controlled by the same control system. Because the film material is not conveyed and transferred among the printing, coating, embossing and other processes, the relative position of the film can be kept from shifting in the printing, coating and embossing processes of the film material, and each independent printing, coating and embossing process can be aligned to the corresponding operation position. The printing mechanism, the coating mechanism and the mould pressing mechanism are sequentially arranged according to the conveying direction of the membrane material, three functions of printing, coating and mould pressing of one piece of equipment are achieved, printing, coating and mould pressing are achieved in the same membrane material conveying process, the continuity and consistency of the whole membrane material processing process are kept, the step of rolling and unreeling after one operation is not needed, the process of the whole production process is reduced, meanwhile, more importantly, the membrane material does not need to be positioned, accurate local printing, local coating and local mould pressing can be conducted on the membrane material, and other areas outside the operation range cannot be affected.
And the membrane material is after accomplishing the printing to begin the coating, accomplish the coating and begin the mould pressing, all carry through same membrane material guiding mechanism, can rationally optimize the setting position of each conveying roller in the membrane material guiding mechanism according to the actual setting of printing mechanism, coating mechanism and mould pressing mechanism, can reduce the occupation space of whole all-in-one.
The unwinding mechanism, the film material guiding mechanism and the winding mechanism are used for unwinding, guiding and winding the film material. The unwinding mechanism can drive the unwinding shaft to rotate by the servo motor to perform unwinding work. The winding mechanism can drive the winding shaft to rotate by the servo motor to perform winding work. The film material guiding mechanism generally comprises a plurality of guiding rollers, and is used for guiding the trend of the film material in the processes of printing, coating and die pressing of the film material; the film material guiding mechanism can also comprise a traction mechanism (consisting of two traction rollers which are pressed together and a servo motor which can drive the traction rollers to rotate), and the traction mechanism can assist in conveying the film material.
The printing mechanism is used for printing the membrane material to enable the membrane material to have corresponding pictures and texts. The printing mechanism comprises at least one or more printing units and is used for printing images and texts with single color or multiple colors on the film material.
The coating mechanism is used for coating the coating material on the required position of the membrane material to form a corresponding coating layer (generally forming the coating layer on the position requiring mould pressing). According to different production requirements (such as the requirement of heat resistance, wear resistance, high pressure resistance and the like of the film), different coatings are used for coating the film.
The embossing mechanism is used for embossing (generally embossing the coating) the film material at specific positions according to production requirements to form corresponding patterns (such as laser patterns).
According to the design requirements of products, the coating mechanism can coat the coating on different positions on the membrane material to form corresponding coatings; after the die pressing mechanism performs die pressing on the coating, laser patterns with different effects can be die-pressed at different positions of the film material.
The first drying mechanism is used for drying the printing ink layer after the printing of the film material is finished, and the influence of the undried ink layer on the subsequent process is avoided. The first drying mechanism may employ an oven.
In addition, can set up second stoving mechanism in coating mechanism rear, second stoving mechanism is dried the coating, reduces the solvent volume that the coating contains.
As still further preferable aspect of the present invention, the printing mechanism includes a plurality of printing units, the plurality of printing units are sequentially arranged in the film material conveying direction, and a sub-drying mechanism is provided between two adjacent printing units. In order to improve the printing diversity of the membrane material, the membrane material is provided with different color areas and patterns, a plurality of printing units are arranged to print the membrane material for a plurality of times (usually multicolor overprinting), and after each printing, the membrane material is dried by adjacent sub-drying mechanisms.
Compared with the prior art, the invention has the following advantages:
the manufacturing process of the laser packaging material can form required printing pictures and texts and laser pictures and texts at one time by continuously printing, coating and mould pressing on the base film, and the laser packaging material with local laser effect is obtained after film plating and compounding with paper, so that the traditional mode of gold stamping after printing is replaced; because the film materials are not conveyed and transferred among the working procedures, the relative position of the film materials can be kept from shifting in the processes of printing, coating and mould pressing, each independent working procedure of printing, coating and mould pressing can be aligned to the corresponding working position, partial laser patterns can be printed according to characteristic areas or different colors, the diversity of product effects is improved, the continuity and consistency of the whole production process can be ensured, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic flow diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a printing, coating and molding integrated machine according to a preferred embodiment of the invention;
wherein, each is marked as: the printing method comprises the following steps of 1-base film, 2-printing image-text, 3-laser image-text, 4-coating, 5-reflecting medium layer, 6-adhesive layer, 7-composite substrate, 8-unreeling mechanism, 801-unreeling shaft, 9-film material guiding mechanism, 901-guiding roller, 902-traction mechanism, 9021-traction roller, 10-reeling mechanism, 1001-reeling shaft, 11-printing mechanism, 1101-printing unit, 1102-sub-drying mechanism, 12-first drying mechanism, 13-coating mechanism, 14-molding mechanism and 15-second drying mechanism.
Detailed Description
As shown in fig. 1, a manufacturing process of a laser packaging material includes the following steps:
step 1: continuously printing, coating and molding on a base film 1 to form a decorative film, and forming printing pictures and texts 2 and laser pictures and texts 3 on the decorative film, wherein the method specifically comprises the following steps:
step 1-1: printing a base film 1 to form a printing image-text 2, wherein after the base film 1 is printed with one color, the base film 1 is dried;
step 1-2: coating a coating on a required position of the base film 1 to form a coating 4, and then drying the base film 1;
step 1-3: the coating 4 is molded by a laser molding plate to form laser pictures and texts 3 on the coating to form a decorative film;
step 2: coating the area of the laser image-text 3 of the decorative film by a vacuum coating machine to form a reflecting medium layer 5 on the area of the laser image-text 3;
and step 3: and coating an adhesive on the decorative film to form an adhesive layer 6, and adhering the decorative film to a substrate 7 to form the laser packaging material.
In the embodiment, the base film 1 is printed for four times in the step 1-1 to form four different printing pictures and texts 2; and in the step 1-3, the mould pressing is carried out only at the corresponding positions of the two printing pictures and texts 2, and the laser pictures and texts 3 are formed at the corresponding coating positions of the two printing pictures and texts 2.
The embodiment further provides a specific structure of the printing, coating and die pressing integrated machine, as shown in fig. 2, the printing, coating and die pressing integrated machine comprises an unwinding mechanism 8, a film material guiding mechanism 9, a winding mechanism 10, a printing mechanism 11, a first drying mechanism 12, a coating mechanism 13, a die pressing mechanism 14 and a second drying mechanism 15, wherein the unwinding mechanism 8, the printing mechanism 11, the first drying mechanism 12, the coating mechanism 13, the second drying mechanism 15, the die pressing mechanism 14 and the winding mechanism 10 are sequentially arranged according to the conveying direction of the film material. As shown in fig. 2, the film material guiding mechanism 9 is disposed between the unwinding mechanism 8 and the winding mechanism 10, and the unwinding mechanism 8, the film material guiding mechanism 9 and the winding mechanism 10 are used for unwinding, guiding and winding the film material; the unwinding mechanism 8 can drive the unwinding shaft 801 to rotate by a servo motor to perform unwinding work, and the winding mechanism 10 can drive the winding shaft 1001 to rotate by the servo motor to perform winding work; the film guiding mechanism 9 comprises a plurality of guiding rollers 901 and a plurality of traction mechanisms 902, the plurality of guiding rollers 901 are used for guiding the trend of the film in the processes of printing, coating and mould pressing of the film, the traction mechanism 902 is composed of two traction rollers 9021 which are pressed together and a servo motor which can drive the traction rollers 9021 to rotate, and the traction mechanism 902 is used for assisting in conveying the film.
As shown in fig. 2, the printing mechanism 11 is used for printing the base film 1 to make the film material have corresponding pictures and texts, in order to improve the printing diversity of the base film 1, the base film 1 has different color regions and patterns, the printing mechanism 11 includes a plurality of printing units 1101, the plurality of printing units 1101 are arranged in sequence according to the conveying direction of the base film 1, a sub-drying mechanism 1102 is arranged between two adjacent printing units 1101, the film material is printed for a plurality of times (usually, multi-color overprinting), and after each printing, the adjacent sub-drying mechanism 1102 performs drying. The coating mechanism 13 is used for coating a coating on a desired position on the base film 1 to form a corresponding coating, and different coatings are used for coating the base film 1 according to different production requirements (for example, the film is required to have heat resistance, wear resistance, high pressure resistance, etc.). The embossing mechanism 14 is used for embossing (generally for embossing a coating) the base film 1 at a specific position according to production requirements to form the corresponding laser image 3. The printing unit 1101, the coating mechanism 13 and the molding mechanism 14 can all adopt equipment with corresponding scale according to production requirements.
As shown in fig. 2, the first drying mechanism 12 is used for drying the printing ink layer after the base film 1 finishes printing, so as to avoid the influence of the undried ink layer on the subsequent processes; the second drying mechanism 15 is used for drying the coating after coating, and reducing the solvent content of the coating; in this embodiment, the first drying mechanism 12, the second drying mechanism 15, and the sub-drying mechanism 1102 may be drying ovens, and drying ovens of different sizes and different models may be selected according to different drying requirements.
The printing mechanism 11, the coating mechanism 13 and the die pressing mechanism 14 are sequentially arranged according to the conveying direction of the membrane material, so that three functions of printing, coating and die pressing of one device are realized, printing, coating and die pressing are finished in the same membrane material conveying process, the conveying, printing, coating and die pressing processes of the base membrane 1 are controlled by the same control system, and the continuity and consistency of the whole processing process are maintained; the required printing graphics 2 and laser graphics 3 can be formed at one time by printing, coating and mould pressing on the base film 1, and the laser packaging material with local laser effect is obtained after film coating and compounding with paper, so that the traditional mode of gold stamping after printing is replaced.
On the other hand, the base film 1 is conveyed by the same film material guide mechanism 9 from the printing to the coating and from the coating to the mould pressing, the film materials are not conveyed and transferred among the processes of printing, coating, mould pressing and the like, the step of rolling and re-rolling is not needed after one operation is finished, and the process of the whole production process is reduced; meanwhile, more importantly, the membrane material does not need to be positioned, so that the relative position of the membrane material can be kept from shifting in the processes of printing, coating and mould pressing of the membrane material, each independent printing, coating and mould pressing process can be aligned to the corresponding operation position, the membrane material can be accurately and locally printed, coated and locally mould pressed, and other areas outside the operation range cannot be influenced; for the field, the arrangement positions of the conveying rollers in the film material guiding mechanism 9 can be reasonably optimized according to the actual arrangement of the printing mechanism 11, the coating mechanism 13 and the die pressing mechanism 14, and the occupied space of the whole integrated machine can be reduced.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A manufacturing process of a laser packaging material is characterized by comprising the following steps:
step 1: continuously printing, coating and molding on the base film to form a decorative film, and forming printing pictures and texts and laser pictures and texts on the decorative film;
step 2: coating the area of the laser graph of the decorative film by a vacuum coating machine to form a reflecting medium layer on the area of the laser graph;
and step 3: and coating an adhesive on the decorative film to form an adhesive layer, and adhering the decorative film to the composite substrate to form the laser packaging material.
2. The process for manufacturing the laser packaging material of claim 1, wherein the step 1 comprises the following steps:
step 1-1: printing the base film to form a printing image-text;
step 1-2: coating paint on the required position of the base film to form a coating;
step 1-3: and (3) carrying out die pressing on the coating by using a laser die pressing plate to form laser pictures and texts on the coating so as to form the decorative film.
3. The process for manufacturing the laser packaging material of claim 2, wherein: in the steps 1-1 and 1-2, after the base film is printed with one color and is coated with one functional coating, the base film is dried.
4. The process of any one of claims 1 to 3, wherein: and in the step 1, the base film is printed, coated and molded through a printing, coating and molding integrated machine to form a functional decorative film.
5. The process of claim 4 for making laser packaging material, wherein: printing coating mould pressing all-in-one includes unwinding mechanism, membrane material guide mechanism, winding mechanism, printing mechanism, first stoving mechanism, coating mechanism and mould pressing mechanism, and membrane material guide mechanism locates between unwinding mechanism and the winding mechanism, and unwinding mechanism, printing mechanism, first stoving mechanism, coating mechanism, mould pressing mechanism, winding mechanism set gradually according to the direction of delivery of membrane material.
6. The process of claim 5, wherein the steps of: the printing mechanism comprises a plurality of printing units, the printing units are sequentially arranged according to the conveying direction of the film material, and a sub-drying mechanism is arranged between every two adjacent printing units.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110590688.3A CN113481760A (en) | 2021-05-28 | 2021-05-28 | Manufacturing process of laser packaging material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110590688.3A CN113481760A (en) | 2021-05-28 | 2021-05-28 | Manufacturing process of laser packaging material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115610130A (en) * | 2022-09-15 | 2023-01-17 | 广州市丽宝包装有限公司 | Bronzing film and preparation process thereof |
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| CN111806072A (en) * | 2020-06-03 | 2020-10-23 | 深圳劲嘉集团股份有限公司 | Micro-nano structure printing equipment, printing method and printed matter |
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| CN115610130A (en) * | 2022-09-15 | 2023-01-17 | 广州市丽宝包装有限公司 | Bronzing film and preparation process thereof |
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