CN108806485A - A kind of production method of in-mold labels - Google Patents
A kind of production method of in-mold labels Download PDFInfo
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- CN108806485A CN108806485A CN201810755978.7A CN201810755978A CN108806485A CN 108806485 A CN108806485 A CN 108806485A CN 201810755978 A CN201810755978 A CN 201810755978A CN 108806485 A CN108806485 A CN 108806485A
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- film
- shine
- radium
- embossment
- mold labels
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/361—Removing material for deburring or mechanical trimming
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of production method of in-mold labels, key step have make holographic laser embossment moulded board, make radium-shine embossment film, airless spraying, positioning cut into package coiled material, positioning secondary printing, increase viscous glutinous layer, solidification, coating gloss oil, shape by die-cutting and finally packed.Holographic laser anti-fake mark is only limitted to carton, flexible package etc at present, and more intuitive mark products are since complex process is difficult to realize, for just not having for in-mold labels；This programme creatively combines platinum embossing techniques and in-mold label technology through long-term practice, and changing in-mold labels in the industry does not have the situation of holographic anti-counterfeiting label, while solving the present situation for being difficult to produce the in-mold labels with holographic false proof label in the industry.Packing box field of the invention for high-end cigarette, wine, cosmetics and gift.
Description
Technical field
The present invention relates to the packing box fields of high-end cigarette, wine, cosmetics and gift, more particularly to a kind of mould internal standard
The production method of label.
Background technology
Explanation of nouns：
The radium-shine embossment of platinum, this is a kind of intuitive anti-counterfeiting technology, and skill is molded using radium-shine embossment mask-making technology combination UV
Art, wherein radium-shine embossment manufactured goods have many advantages, such as that strong three-dimensional sense, mark good brightness, accuracy class are high.
In-mold labels：In-mold label is the disposable synchronous forming process to plastic containers/component and attached label, label
It will be fused on plastic containers component, to reach the appearance of vision " no label ".In general, in-mold label structure is by printing
Face, middle layer and viscous glutinous layer composition.The effect of printing surface is to receive ink to form colored picture and text；Middle layer supports printing surface, gives
Give material enough deflection and transparency, on the printer with it is indeformable under high temperature action, ensure chromatography it is accurate；Viscous glutinous layer is in height
It can melt under temperature effect, label material is allowed to become one with plastic containers, ensure that label sticks together securely with plastic bottles.
Holography positioning printing：Positioning printing refers to being identified by electric eye on high-speed full-automatic printing equipment, will be in printing
Hold positioning to be printed onto on the radium-shine embossment film of special edition on specific hologram location, beautiful 3D colour platinum effects are presented.In this way
The radium-shine embossment lines made is fine and smooth, and resolution is high, although the anti-fake rank of manufacture difficulty is high.
UV prints：Dry, cured printing ink a kind of printing technology by ultraviolet light, need will the ink containing photosensitizer with
UV cure lamps match, and the application of UV printings is one of most important content of printing industry.
PET-IML techniques：In-mold labels are first sent into mould inner wall by manipulator, the temperature of bottle embryo carries on the back in-mold labels
The solidification glue in face dissolves, to which in-mold labels integrally combine with pet container.
Radium-shine embossment plate-making technology is applied to packaging, anti-fake, is to wrap in recent years because the uniqueness of appearance is fixed and uniqueness
A direction for filling incrustation, both can be applied to the unlike materials such as OPP, PET, PVC, it can also be used to compound, transfer, thermoprint etc.
Different purposes.Current radium-shine embossment is direct processing on packing box；Existing in-mold labels way is simultaneously：It is set according to client
Meter makes moulded board；Select suitable base material or thin-film material to be molded or transferred, then plate medium (for example aluminizing) or on
Pattern makes in-mold labels；It is finally packaged and in-mold labels is dealt into client on hand.Radium-shine embossment mould is not applied in the market
Design on interior label.
Invention content
The purpose of the present invention is to provide a kind of production methods of the in-mold labels of the radium-shine embossment of combination.
The technical solution used in the present invention is：
A kind of production method of in-mold labels, includes the following steps：
A, make holographic laser embossment moulded board, with holographic laser engraving technology nickel plate upper surface engraving text and picture
Information, then nickel plate progress vacuum coating or electroless plating, next give file and nickel plate typesetting on the basis of version cylinder number；
B, radium-shine embossment film is made, basement membrane is chosen, then in the positive coating UV coating of basement membrane, then carries out UV stamper
Radium-shine embossment film is made in sequence；
C, airless spraying, toward radium-shine embossment film on metalling coating；
D, positioning cuts into package coiled material, and by radium-shine embossment film along line cutting, then bundling is cylindrical in shape；
E, secondary printing is positioned, the film of secondary printing is prepared, is aligned the position of film and radium-shine embossment film repeatedly
Then coordinate is printed；
F, increase viscous glutinous layer, in the viscous glutinous agent of the backsize of radium-shine embossment film；
G, cure, stand radium-shine embossment film made of above-mentioned steps f, wait for viscous glutinous agent molding；
H, it is coated with gloss oil, gloss oil is further coated in the front of radium-shine embossment film；
Continuous radium-shine embossment film is cut into several sheets, is finally packed by i, shape by die-cutting.
As the improvement of said program, step a first determines the size being printed on the machine in assembled typesetting nickel plate, keeps criticizing
Temperature, the speed for measuring operation are identical, while an electric eye color lump is put into each printing plate length.
As the improvement of said program, the basement membrane in step b selects PET film.
As the improvement of said program, UV coating is coated using gravure technique in step b, the thickness of UV coating is
0.15~0.30mm.
As the improvement of said program, the radium-shine embossment film after airless spraying is surface-treated in step c, processing side
Formula has coating varnish or sided corona treatment.
As the improvement of said program, film is aligned double check with a core in radium-shine embossment film rear enclosure in step e, again by computer
After checking film and radium-shine embossment film alignment condition, CTP plate-making is finally carried out.
As the improvement of said program, when positioning secondary printing, environment temperature is 18~20 DEG C, ambient humidity is 50~
70%.
As the improvement of said program, the viscous glutinous layer of coating, first time are coated with dual-component coating at twice in step f, wait for double
After component coating drying, second of coating heat-seal adhesive water.
As the improvement of said program, seals in glue and antistatic agent is added.
It is quiet on radium-shine embossment film using going electrostatic apparatus to remove when step i carries out cutting mould as the improvement of said program
Electricity.
Beneficial effects of the present invention：Holographic laser anti-fake mark is only limitted to carton, flexible package etc at present, more
Intuitive mark product is since complex process is difficult to realize, for just not having for in-mold labels；This programme is creative through long-term practice
Ground combines platinum embossing techniques and in-mold label technology, and changing in-mold labels in the industry does not have the situation of holographic anti-counterfeiting label,
Solves the present situation for being difficult to produce the in-mold labels with holographic false proof label in the industry simultaneously.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the sectional view of in-mold labels；
Fig. 2 is the production flow diagram of in-mold labels.
Specific implementation mode
Referring to Figures 1 and 2, the present invention is a kind of production method of in-mold labels.
Using light irradiation substance the basic rule such as scattering, reflection, transmission, diffraction, interference, absorption occur for laser holographic technology
Rule, and then form different visual effects.The laser beam that high-energy is generated by laser generator, utilizes dot matrix left-right situs
Engraving or the pattern of vector outline cutting carry out local irradiation to nickel plate, so that its surface moment is melted, or even gasification, at this time nickel plate
The substance on surface shows trace because the due to of chemically and physically changing occurs, and then forms required word, symbol by requirement is pre-designed
Number and pattern.After laser beam focusing, machining accuracy is in millimeter to micron level, and laser processing procedure heat-affected zone
Small, the face fine degree finally processed is high, and why this namely uses laser making embossment.Laser is carved
The process at quarter is controlled by computer, as long as computer can identify design picture proof, it will be able to accurately restore information in nickel plate
Front, completes the engraving of laser pattern, that is, holographic laser embossment moulded board has been made.
A, holographic laser embossment moulded board is made：
With holographic laser engraving technology in the upper surface engraving text and picture information of nickel plate, then nickel plate progress vacuum coating
Or electroless plating, the holographic laser embossment moulded board of satisfactory mechanical property can be processed into this when.Due to being embossment positioning
Product needs the position for strictly calculating the printing of holographic laser embossment when molding positions laser film.
Next it is the multiple holographic laser embossment moulded boards of assembled typesetting.The size that first determination will print, with version cylinder
File and nickel plate typesetting are given on the basis of number.For nickel plate, need to further increase electric eye color lump for location tracking, electric eye color lump
For generally use similar to the identification vitta of frosted finish effect, minimum requirements is that colour code inductor can be allowed to identify.
B, radium-shine embossment film is made：
The basement membrane 1 that material is PET is chosen, then in the positive coating UV coating 3 of basement membrane 1, then carries out UV mold pressing procedures,
UV light is reflected by holographic laser embossment moulded board on basement membrane 1, and the fine relief on holographic laser embossment moulded board interferes item
Line is transferred to basement membrane 1 naturally, i.e., UV light from holographic laser embossment film the information of such as light wave intensity and phase relation etc
It is input on basement membrane 1, becomes radium-shine embossment film at this time.
Since PET materials are transparent material, radium-shine embossment film is naturally also transparence.In-mold labels want to use in PET appearances
Device, and realize good combination, it is that basement membrane 1 also uses PET that chemical compatibility, most direct method are needed between two kinds of materials
Material.Basement membrane 1 and pet container chemical compatibility are good at this time, and in-mold labels recycling is convenient, moreover it is possible to save next big recycling expense.
Sealing, dustless, constant temperature, constant humidity environment in, UV coating 3, the thickness of UV coating 3 are coated using gravure technique
Degree is 0.15~0.30mm.The thickness of UV coating 3 will have a direct impact on the Deep Canvas of opal, and UV coating 3 is thicker, the radium-shine figure of embossment
The depth feelings of case are stronger；It but specifically will also be according to product design.
Here the case where illustrating gravure technique, the black body of load when intaglio printing is carved in recessed one by one in galley
Hole, for the shape of pit as one intaglio printing mould of original copy picture and text, plate surface does not have ink.When printing plate and stock coining connect
When touching, the ink in pit is transferred to stock surface, completes printing process.Wherein most prominent advantage is intaglio printing
Ink is carried with the pit scribed by original copy picture and text, the thickness of lines and the deep or light level of ink can be controlled arbitrarily when cutting blocks for printing, no
It is easily imitated and forges, especially the depth in ink hole, the possibility that engraving true to nature is carried out according to printed picture and text are very small.
C, airless spraying：
With vacuum spray painting machine toward metalling coating on radium-shine embossment film, the embossment on such basement membrane 1 naturally forms gold
Belong to effect.Different wires is atomized by heavy current in vacuum tank by the process, and spraying is attached on basement membrane 1, according to gold
The difference for belonging to selection, can also produce dumb light vegetarian noodles, light minute surface and other effects.If need to only keep transparent laser effect,
Zinc sulphide just is used, primarily serves the effect of protection embossment.
In order to improve the adaptability of printing, the radium-shine embossment film after airless spraying is surface-treated, and processing mode has painting
Cloth varnish or sided corona treatment.
D, positioning cuts into package coiled material：
Regulate the bundling knife on reel, tracking electric eye is looked for the mark on radium-shine embossment film, in the right and left by radium
Embossment film is penetrated along line cutting, then bundling is cylindrical in shape.Cutting cannot be snakelike, it should be ensured that the accurate chromatography of subsequent handling.
E, secondary printing is positioned：
The film for preparing secondary printing, since the molding in step b can make material that flexible and deformation, row occur
Appropriate adjustment is needed when version.First time film is aligned the position coordinates of radium-shine embossment film；Second of film puts on double check with a core, finds out
The position coordinates that film is moved through, after reexamining film and radium-shine embossment film alignment condition by computer；Finally carry out CTP systems
Version, i.e. computer direct plate making.
In printed patterns, the secondary additional print function of computer is opened, sets the folding and unfolding tension of radium-shine embossment film, is arranged
Print electric eye function is chased after well.It is produced using transparent ink, keeps set position precision in ± 0.2mm.Machine room keeps simultaneously
Temperature is at 18~20 DEG C, and 50~70%, above-mentioned parameter setting generates humidity for eliminating when printed matter rubs with each paper feeding roller
Electrostatic；The product that radium-shine embossment film belongs to accurate avoids radium-shine embossment film temperature distortion using water cooled rolls.After printing
Form secondary printing layer 4.
F, increase viscous glutinous layer 2：
In the viscous glutinous agent of the backsize of radium-shine embossment film.Due to radium-shine embossment film molding time about 2 seconds in a mold, it is desirable that
Instantaneous high temperature resistant, impact resistance should be coated with viscous glutinous layer 2 at twice；Coating dual-component coating is waited for for increasing adhesive force for the first time
After dual-component coating drying, second of coating heat-seal adhesive water.Some antistatic agents are added in heat-sealing glue, below 6%,
After viscous glutinous layer 2 has antistatic property, double sheet when can prevent printing, in addition it also there is sliding, it is ensured that label it is smooth
Separation, keeps process more smooth.Coating temperature is located between 45 DEG C~80 DEG C, and coating speed is 30 ms/min.
Two kinds of structures can be arranged in the surface of viscous glutinous layer 2, and one is the planar structure smoothed with Smooth roller bar, another kind is
The reticulate structure rolled out with reticulate pattern pressure roller.Planar structure is directly contacted with blank when in use, is vented naturally, and small area is used for
Label.The exhaust passage of gas duchy reticulate pattern is vented when reticulate structure uses, and bubble is avoided to generate.
G, cure：
Radium-shine embossment film made of above-mentioned steps f is stood, about 12 hours wait for viscous glutinous agent stable molding.
H, it is coated with gloss oil 5：
It is further coated with gloss oil 5 in the front of radium-shine embossment film.This scheme in addition to protection final products on ink it
Outside, additionally it is possible to prevent pet container from occurring scraping and scratch, water and chemical resistant corrosion；Film, receipts are cut in in-mold labels
In paper, conveying and forming process, it is avoided that and scrapes；Gloss oil 5 can reduce friction coefficient, easily to be collected in collection
In-mold labels, and lower friction coefficient can be to avoid paper feeder tool arm dual pick；Gloss oil 5 can also adhere to electrostatic,
In in-mold labels with pet container combination production process, electrostatic is so that in-mold labels are inserted into mold and remain stationary as, until injection molding
It completes.
I, shape by die-cutting：
Rotary film machine-cut machine or pingqie machine are generally used, continuous radium-shine embossment film is cut into several sheets.By
In cross cutting be last one of the production process of in-mold labels, so cross cutting when go to destatic it is extremely important because electrostatic remove
It is undesirable can cause to stack it is irregular, the problems such as so as to cause labeling position is inaccurate and double sheet；So being die cut this step,
It needs to go electrostatic apparatus to assist with other, such as electrostatic rod, wire, static eliminator or ion blower etc., with finished product adhesion
Subject to.
Finally packed.Since the surface layer of ink of in-mold labels is inconsistent, the in-mold labels for tying up finished product have thin and thick
Inconsistent problem, or even will appear the phenomenon that in-mold labels are bent.Operating personnel are dispatched from the factory in the in-mold labels to finished product
When packaging, the method directly bundled cannot be taken.But it should first be tied after placing clamping plate at the in-mold labels both ends of pile
It pricks, both ends are fixed, then are packed with shrink film, are finally encapsulated with hardboard.To ensure the flatness of the in-mold labels of finished product, prevent
Only the edge of in-mold labels is impaired.
When good in-mold labels bundled with packed in cases, it is ensured that babinet is filled, and is filled out as possible with waste material when discontented
Full, in order to avoid rocking the electrostatic charge for increasing in-mold labels in transportational process, of coursing also often not carry carton.It is storing
When, ambient humidity should reach 50% or more, prevent to cause in-mold labels static electrification, curling, adhesion etc. because of coating 5 process of gloss oil
Unfavorable condition.
Certainly, the design creation is not limited to the above embodiment, and the combination of the various embodiments described above different characteristic also may be used
To reach good effect.Those skilled in the art can also make equivalent change under the premise of without prejudice to spirit of that invention
Shape or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of production method of in-mold labels, it is characterised in that include the following steps：
A, holographic laser embossment moulded board is made, the upper surface engraving text and picture with holographic laser engraving technology in nickel plate is believed
Breath, then nickel plate progress vacuum coating or electroless plating, next give file and nickel plate typesetting on the basis of version cylinder number；
B, radium-shine embossment film is made, basement membrane (1) is chosen and then carries out UV then in the positive coating UV coating (3) of basement membrane (1)
Radium-shine embossment film is made in mold pressing procedure；
C, airless spraying, toward radium-shine embossment film on metalling coating；
D, positioning cuts into package coiled material, and by radium-shine embossment film along line cutting, then bundling is cylindrical in shape；
E, secondary printing is positioned, the film of secondary printing is prepared, is aligned the position coordinates of film and radium-shine embossment film repeatedly,
Then it is printed；
F, increase viscous glutinous layer (2), in the viscous glutinous agent of the backsize of radium-shine embossment film；
G, cure, stand radium-shine embossment film made of above-mentioned steps f, wait for viscous glutinous agent molding；
H, coating gloss oil (5) is further coated with gloss oil (5) in the front of radium-shine embossment film；
Continuous radium-shine embossment film is cut into several sheets, is finally packed by i, shape by die-cutting.
2. the production method of in-mold labels according to claim 1, it is characterised in that：The step a is in assembled typesetting nickel
When plate, first determines the size being printed on the machine, keep the temperature of batch operation, speed identical, while being put in each printing plate length
Enter an electric eye color lump.
3. the production method of in-mold labels according to claim 1 or 2, it is characterised in that：Basement membrane in the step b
(1) PET film is selected.
4. the production method of in-mold labels according to claim 3, it is characterised in that：Gravure work is used in the step b
Skill is coated UV coating (3), and the thickness of UV coating (3) is 0.15~0.30mm.
5. the production method of in-mold labels according to claim 4, it is characterised in that：To airless spraying in the step c
Radium-shine embossment film afterwards is surface-treated, and processing mode has coating varnish or sided corona treatment.
6. the production method of in-mold labels according to claim 1 or 5, it is characterised in that：Film is aligned in the step e
Double check with a core in radium-shine embossment film rear enclosure finally carries out CTP after reexamining film and radium-shine embossment film alignment condition by computer
Plate-making.
7. the production method of in-mold labels according to claim 6, it is characterised in that：When positioning secondary printing, environment temperature
Degree is 18~20 DEG C, and ambient humidity is 50~70%.
8. the production method of in-mold labels according to claim 1 or claim 7, it is characterised in that：It is applied at twice in the step f
Cloth is viscous to stick layer (2), is coated with dual-component coating for the first time, after dual-component coating drying, second of coating heat-seal adhesive water.
9. the production method of in-mold labels according to claim 8, it is characterised in that：It is added in the heat-sealing glue anti-quiet
Electric agent.
10. the production method of the in-mold labels according to claim 1 or 9, it is characterised in that：The step i carries out cutting mould
When, remove the electrostatic on radium-shine embossment film using electrostatic apparatus is removed.
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| CN201810755978.7A CN108806485A (en) | 2018-07-11 | 2018-07-11 | A kind of production method of in-mold labels |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109545074A (en) * | 2019-01-05 | 2019-03-29 | 北京逸智联科技有限公司 | A kind of adhesive label process for making |
| CN109656388A (en) * | 2018-12-19 | 2019-04-19 | 湖北银琅兴科技发展有限公司 | A kind of production method of special positioning cursor |
| CN110047374A (en) * | 2018-11-28 | 2019-07-23 | 河南银金达彩印股份有限公司 | A kind of Novel contracting PETG label and its manufacture craft |
| CN110271252A (en) * | 2019-06-21 | 2019-09-24 | 广州市丽宝包装有限公司 | A kind of radium-shine contraction film label and preparation method thereof |
| CN110370797A (en) * | 2019-07-12 | 2019-10-25 | 四川金时科技股份有限公司 | A kind of production technology of UV positioning holographic anti-counterfeit laser film |
| CN110370853A (en) * | 2019-06-21 | 2019-10-25 | 广州市丽宝包装有限公司 | A kind of gold and silver paper money using platinum embossing technology |
| CN111223388A (en) * | 2020-01-22 | 2020-06-02 | 广州市丽宝包装有限公司 | Manufacturing method for manufacturing 3D label by using photopolymer |
| CN111806130A (en) * | 2020-06-02 | 2020-10-23 | 广州市丽宝包装有限公司 | Method for manufacturing transparent photoetching film |
| CN111882978A (en) * | 2020-09-14 | 2020-11-03 | 北京翰龙翔天防伪科技有限公司 | Laser anti-counterfeit label and preparation method thereof |
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| CN110047374A (en) * | 2018-11-28 | 2019-07-23 | 河南银金达彩印股份有限公司 | A kind of Novel contracting PETG label and its manufacture craft |
| CN109656388A (en) * | 2018-12-19 | 2019-04-19 | 湖北银琅兴科技发展有限公司 | A kind of production method of special positioning cursor |
| CN109545074A (en) * | 2019-01-05 | 2019-03-29 | 北京逸智联科技有限公司 | A kind of adhesive label process for making |
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Application publication date: 20181113 |