CN102350890B - Production technique of rolled holographic pattern film, holographic pattern film and system - Google Patents
Production technique of rolled holographic pattern film, holographic pattern film and system Download PDFInfo
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Abstract
The invention relates to a production technique of a rolled holographic pattern film, and a holographic pattern film and a system in the production technique. The production technique of the rolled holographic pattern film comprises the following steps that: 1.1, an information transfer layer is evaporated on the surface of a mother film with holographic patterns to obtain a transfer film; 1.2, an adhesive layer is coated on the information transfer layer, then the information transfer layer which is coated with the adhesive layer is compounded with a foil, and the adhesive layer is ultraviolet resin; and 1.3, the mother film is stripped, so the holographic pattern film is obtained. The production technique is characterized in that: a holographic groove structure on the surface of the mother film is copied to the information transfer layer. The precisely replicability of the holographic pattern groove structure on the surface of the mother film is innovatively utilized, the holographic pattern groove structure on the surface of the mother film is copied on the basis of improving the prior art, and the coating procedure is utilized to produce the rolled holographic pattern film, sothe production cost can be greatly reduced, and the production efficiency can be improved.
Description
Technical field
The present invention relates to holographic pattern film and system in a kind of roll type holographic pattern film manufacture craft and this technique.
Background technology
In the prior art, when making the roll type holographic pattern film, what adopt is that technique is: in moulding press, directly carry out the impression of holographic pattern at film, the holographic pattern film of making both can be the transfer membrane as intermediate products, also can be used as the finished product holographic pattern film and sold or use.But obviously, in the prior art, the making of each reel all need repeat the mold pressing procedure of film surface hologram line, production efficiency is low, according to statistics, upper according to the manufacture craft of stating operation, with existing production capacity, a moulding press can only be produced 30000 meters films in one day, and the efficient of mold pressing procedure only has 1/3 of painting process.
But in fact, when carrying out the making of holographic pattern film, be exist to save cost, raise the efficiency possible.Reason is: so-called holographic pattern, refer to adopt mould pressing process, and holographic interference fringes is impressed into the upper and hologram that obtains of base material (plastic sheeting, paper or other materials) with the form of embossment structure.It from macroscopic view visually is presented as various hologram patterns, but from microcosmic, it is presented as groove, namely has the interference fringe groove of certain depth; And the above-mentioned interference stripe groove can copy.
The applicant thinks after above-mentioned groove structure is researched and analysed, and above-mentioned groove structure can be replicated fully from microcosmic.Therefore, can realize copying of holographic pattern, thereby reduce production costs greatly, and enhance productivity accurately the copying of holographic pattern information groove structure as long as can realize.
Summary of the invention
Purpose of the present invention is as follows:
1, provide a kind of roll type holographic pattern film manufacture craft, the cardinal principle of this manufacture craft is: utilize the reproducible characteristic of holographic pattern microcosmic groove structure, realize the multiple copies to female film surface hologram line microcosmic groove structure.
2, provide a kind of holographic pattern film, this holographic pattern film is the holographic pattern film that this technique is produced, it utilizes coating process to make, the information transfer layer has the groove structure of the female film surface hologram line that copies, therefore realized accurately copying holographic pattern on female film, accuracy of repetition is high, and is effective, and production efficiency is high.
3, a kind of manufacturing system of holographic pattern film is provided, comprises female film, transfer membrane and holographic pattern film.
Technical scheme of the present invention is as follows:
A kind of manufacture craft of roll type holographic pattern film, described technique is as follows:
(1) having female film surface evaporation information transfer layer of holographic pattern, obtains transfer membrane;
(2) coating adhesive adhesion coating on the information transfer layer carries out itself and paper tinsel film compoundly again, and described adhesive layer is the UV resin;
(3) female film is peeled off, obtained holographic pattern film;
It is characterized in that: the groove structure of described female film surface hologram line is copied to the information transfer layer.
Further, in the above-mentioned technique, described female membrane structure is followed successively by from top to bottom: paper tinsel rete, Information Level, and wherein the information layer surface impression has holographic pattern, and described paper tinsel rete is selected from the composite membrane of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.The composite membrane of the preferred roll type film of female film of the present invention or metal forming or film and metal forming, with respect to female film of other materials, the female film surface grating with above-mentioned paper tinsel rete is full, and groove structure is stable, more is conducive to realize accurately copying of groove structure.And the female film of roll type is applicable to the consecutive production application of large molded machine, coating machine, compounding machine, can improve greatly the efficient of operation.
Further; in the above-mentioned technique; described female membrane structure is followed successively by from top to bottom: paper tinsel rete, Information Level, information protection layer, and wherein the information layer surface impression has holographic pattern, and described paper tinsel rete is selected from the composite membrane of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.The surface is coated with female film of information protection layer and is not only material general on the market, is easy to procurement cost also lower, and can avoid in process of production, and the destruction that surface groove structures may be subject to can not exert an influence to copying of groove structure.
Further, in the above-mentioned technique, described paper tinsel film is selected from composite membrane or the chemical films of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.。
Further, in the above-mentioned technique, it is characterized in that, described technique can further be improved as follows: apply first a transfer layer on female film surface, evaporation information transfer layer again, described transfer layer material be celluosic resin or modified cellulose resin, acrylic resin or acrylic resin modified, polyurethane resin or modified polyurethane resin, epoxy resin or modified epoxy or or aforementioned substances copolymer/mixture, wax class in a kind of, adopt coating machine to be applied to wet amount 1-20 gram/m
2, 80-200 ℃ of oven dry, be 10-60 second drying time, operating speed is 20-150m/min.Increasing by a transfer layer can be so that female film and information transfer layer has better separating effect.And the transfer layer material of above-mentioned selection all has transferability and can both be applicable to the intaglio plate coating.Technological parameter in the above-mentioned scope is the preferred parameter of transfer layer bed thickness and coating; the transfer layer that above-mentioned technological parameter is made had both guaranteed that female film and information transfer layer were fast, separate thoroughly; simultaneously, can keep again that the holographic pattern groove structure copies accurately on female film between information protection layer and information transfer layer.
Further, in the above-mentioned technique, it is characterized in that, described information transfer layer material is metal or metal oxide or zinc sulphide or silica or rear a kind of in both mixture, thickness is the 50-1000 dust, and concrete evaporation process is as follows: in vacuum evaporation plating machine, low vacuum is in 10
-2Millibar, speed 60-1000m/min.The information transfer layer of above-mentioned material evaporation forms stable, even, fine and close adhering at female film groove structure, therefore can copy accurately the holographic pattern groove structure on female film surface, and more be applicable to the evaporation of high speed reel, therefore can obtain better evaporation effect.And the following significant technique effect that above-mentioned evaporation process parameter and bed thickness have been obtained: evaporation layer thickness 50-1000 dust, with respect to the microcosmic groove structure for female film surface, the holographic pattern groove structure that copies that this thickness forms is more accurate from microcosmic, can obtain better visual effect on macroscopic view, cross Bao Zehui and cause visually distortion of holographic pattern groove structure in subsequent duplicate, blocked uply not only can increase cost, and the groove structure that copies is also stable not, impact effect.Therefore, the carrier that the information transfer layer copies as female film surface groove structures, the stable and level of the groove structure that it copies is particularly crucial.Zinc sulphide or silica then are transparent materials, and this bi-material can make according to the needs of practical application the paper tinsel film have transparent or opaque effect so that the product of this technique has had more effect selection.
Further, in the above-mentioned technique, described combination process is as follows: in compounding machine, the UV resin adopts ultraviolet light polymerization, and dry-coated amount restrains to 0.5-50, and operating speed 20-150 m/min, UV lamp power is looked coating weight and state of cure adjustment.As adhesive layer, with respect to the resin of other types, have advantages of as follows with the UV resin: (1) curing rate is fast, and production efficiency is high; (2) capacity usage ratio is high, energy savings; (3) organic volatile divides (VOC) few, environmental friendliness; (4) but the various base materials of application such as paper, are hoped material, leather, metal, glass, pottery etc.The dry-coated amount of UV resin is best implementation to 0.5-50 gram, and dry-coated amount is crossed and lowly can't be guaranteed bonding effect, the too high increase production cost of dry-coated amount and affect speed.Adopt the UV combination process, can look coating weight and state of cure adjustment and regulate the UV constant power, reach better effect.
A kind of manufacture craft of roll type holographic pattern film is characterized in that, described technique also further comprises following step:
Apply the second protective layer on the surface of holographic pattern film, again itself and film are carried out compoundly, film is peeled off the holographic pattern film that is improved after compound.The holographic pattern film surface that above-mentioned technique is made has the information transfer layer, this information transfer layer have be replicated the groove structure on female film surface, but because it is not through multiple membrane process, so its surface does not have minute surface (face) effect that traditional handicraft has.Therefore, as the improvement to above-mentioned technique, the application has proposed the application process to above-mentioned holographic pattern film, the holographic pattern film that is improved.This improved holographic pattern film can reach face (minute surface) effect after the same transfer of the holographic pattern film that makes with traditional transfer membrane technique.
Further, in the above-mentioned technique, can be selectively apply the second protective layer at the surface portion of holographic pattern film and realize different effects.
Further; in the above-mentioned technique; described the second protective layer material be acrylic resin or acrylic resin modified, polyurethane resin or modified polyurethane resin, epoxy resin or modified epoxy or or aforementioned substances copolymer/mixture in a kind of, concrete coating processes is as follows: adopt coating machine to be applied to wet amount 1-20 gram/m
2, 80-200 ℃ of oven dry, be 10-60 second drying time, operating speed is 20-150m/min.And the second protective layer material of above-mentioned selection can form on Novel holographic pattern film surface fine and close structure, forms protection thereby can fill and lead up uniformly its surperficial groove structure, and can both be applicable to the intaglio plate coating.Technological parameter in the above-mentioned scope is the preferred parameter of transfer layer bed thickness and coating, the second protective layer that above-mentioned technological parameter is made can be obtained following technique effect: the bed thickness that the second protective layer applies is even, fine and close, the excessive waste material of bed thickness, and can the holographic pattern visual effect on Novel holographic pattern film surface be exerted an influence; Bed thickness is too small then can't to play effective protective effect, can affect on the contrary the effect of the holographic pattern that copies.
A kind of holographic pattern film, described structure is as follows successively:
The paper tinsel film;
The UV resin bed;
The information transfer layer;
It is characterized in that: described information transfer layer has the groove structure on the female film surface that is replicated.
Further, described paper tinsel film is selected from composite membrane or the chemical films of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.。
Further, in the above-mentioned holographic pattern film, described information transfer layer material is metal or metal oxide or zinc sulphide or silica or rear a kind of in both mixture, and thickness is the 50-1000 dust.
Further; in the above-mentioned holographic pattern film; also comprise the second protective layer; be positioned on the information transfer layer, described the second protective layer material is a kind of in acrylic resin or acrylic resin modified, polyurethane resin or modified polyurethane resin, epoxy resin or modified epoxy or the aforementioned substances copolymer/mixture.
A kind of roll type holographic pattern film manufacturing system, described system comprises female film, transfer membrane and holographic pattern film described in the claim 1.
Beneficial effect of the present invention is as follows: the utilization of the invention the holographic pattern groove structure that has of female film surface can be by accurate replicability, when making the roll type holographic pattern film in the prior art, the operation that need to repeat is holographic pattern impression operation particularly, be improved to copying female film surface hologram groove groove structure, utilize painting process to carry out the making of roll type holographic pattern film, thereby can reduce production costs greatly, enhance productivity, this is the most loaded down with trivial details particularly to have saved the repetition mold pressing, affect most production efficiency, increase most the link of production cost.According to statistics, in the situation that realized impression is improved to coating, production efficiency will be than originally improving at least more than 3 times.And Novel holographic pattern film of the present invention can reach face (minute surface) effect after the same transfer of the holographic pattern film that makes with traditional transfer membrane technique.
Description of drawings
Fig. 1 is the microstructure schematic diagram of holographic pattern film of the present invention.
Fig. 2 is the microstructure schematic diagram of another preferred embodiment of holographic pattern film of the present invention.
Fig. 3 is process flow diagram of the present invention.
In the above-mentioned schematic diagram, the female film of 1-; The groove structure of the female film surface hologram of 2-line; 4-information transfer layer; The 5-UV resin bed; 6-paper tinsel film; 7-the second protective layer.
The specific embodiment
The manufacture craft of a kind of roll type holographic pattern film of the present invention, its principle is: the characteristic of utilizing holographic pattern microcosmic groove structure accurately to be copied, the information transfer layer of utilization copies the holographic pattern groove structure on female film surface, formation has the transfer membrane of the microcosmic groove structure of the holographic pattern that is replicated, and recycles this transfer membrane and makes holographic pattern film.The holographic pattern of female film then is retained in female film.On technique, when making holographic pattern film, realized having substituted imprint process of the prior art with coating process, improved greatly production efficiency, provide cost savings.
Accurately copy requirement for what reach the holographic pattern groove structure, the application is in manufacture craft, the selection of layers of material and the technological parameter of layers of material all are optimized, both improved production efficiency, what is more important is in follow-up technique, guaranteed the accuracy that the holographic pattern groove structure copies between each layer, the groove structure that copies under the above-mentioned technological parameter is well arranged, Stability Analysis of Structures, accuracy of repetition is high, thereby is presented as that visually the high accuracy to female film holographic pattern copies.
Specifically, as shown in Figure 5, the surface of female film 1 has holographic pattern groove structure 2, and at female film surface evaporation information transfer layer 4, evaporation process is as follows: in vacuum evaporation plating machine, low vacuum is in 10
-2Millibar, speed 60-1000m/min.Utilize the characteristic that can accurately be copied between structure sheaf of holographic pattern microcosmic groove structure, above-mentioned groove structure 2 is copied to information transfer layer 4 accurately.Product with this kind layer structure can be referred to as transfer membrane, is the basis of carrying out subsequent technique of the present invention.
Coating adhesive adhesion coating on the information transfer layer 4 of transfer membrane carries out itself and paper tinsel film compoundly again, and combination process is as follows: in compounding machine, and 80-150 ℃ of oven dry, be 10-60 second drying time, operating speed is 20-150m/min.Female film is peeled off, can be obtained holographic pattern film.After peeling off, information transfer layer 4 is attached on the paper tinsel film with adhesive layer, because information transfer layer 4 is the holographic pattern groove structures 2 on the female film that copies, therefore, this holographic pattern film has also namely been realized copying holographic pattern on female film.And female film of this moment still also remains with complete holographic pattern, can continue to use and carry out follow-up technique.
As a kind of improvement, can apply a transfer layer between female film 1 and the information transfer layer 4, thereby so that copying with transfer effect of female film surface hologram groove groove structure is more superior.Transfer layer adopts coating machine to be applied to wet amount 1-20 gram/m
2,, 80-200 ℃ of oven dry, be 10-60 second drying time, operating speed is 20-150m/min.
Improve as another kind; making on the basis of above-mentioned holographic pattern film above-mentioned can also further being improved to: apply the second protective layer on the surface of holographic pattern film, carry out itself and film compound again; after compound film is peeled off the holographic pattern film that is improved.Because it is not through multiple membrane process, so its surface do not have minute surface (face) effect that traditional transfer membrane technique has, and this is the weak point of utilizing the holographic pattern film that this technique makes.So the information transfer layer not only has the holographic pattern groove structure identical with female film, and grating is just full, groove structure is stable, well arranged, and this Novel holographic pattern film can reach face (minute surface) effect after the same transfer of the holographic pattern film that makes with traditional transfer membrane technique.
Female film among the present invention adopts female film commonly used on the market to get final product, preferred surface has the roll type film of holographic pattern groove structure or the composite membrane of metal forming or film and metal forming, because its surface light canopy is full, groove structure is more stable, more is conducive to realize accurately copying of groove structure.And the female film of roll type is applicable to the consecutive production application of large molded machine, coating machine, compounding machine, can improve greatly the efficient of operation.Female film commonly used mainly contains following two kinds of structures on the market.A kind of is the female film with double-layer structure, namely comprises paper tinsel rete, Information Level, and wherein the information layer surface impression has holographic pattern.Therefore, from microcosmic, female film surface namely has the groove structure of holographic pattern, thereby can realize copying this groove structure.And another kind has three-decker, i.e. paper tinsel rete, Information Level, information protection layer, and wherein the information layer surface impression has holographic pattern.Above-mentioned paper tinsel rete, can be selected from the composite membrane of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming, metal forming wherein, then can be all kinds of common metal paper tinsels of aluminium foil, Copper Foil etc., as long as the processing requests such as Information Level adhesion-tight, the follow-up heatproof stretch-proof of adaptation all can.For carrying out compound paper tinsel film with female film, except selecting the above-mentioned material, can also the choice for use chemical films.Chemical films described here refers to take plastics as substrate surface through chemically treated plastic sheeting.
First group of embodiment (1-3)
It is that medium carries out evaporation that the information transfer layer adopts metallic copper; Adhesive layer adopts the UV resin; The second protective layer adopts acrylic resin; Holographic pattern membrane structure: paper tinsel film, UV resin bed, metal copper layer, acrylate resin layer.
Information transfer layer evaporation thickness 50 dusts, evaporation process: vacuum 10
-2Millibar, speed 60m/min; UV resin bed combination process: dry-coated amount to 0.5 gram of UV resin, 20 m/mins of operating speeds; Acrylic resin adopts coating machine to be applied to wet amount 1 gram/m
2, 80 ℃ of oven dry, 10 seconds drying times, operating speed 20m/min.
Information transfer layer evaporation thickness 500 dusts, evaporation process: vacuum 10
-3Millibar, speed 500m/min; UV resin bed combination process: dry-coated amount to 20 gram of UV resin, 100 m/mins of operating speeds; Acrylic resin adopts coating machine to be applied to wet amount 10 gram/m2,150 ℃ of oven dry, 30 seconds drying times, operating speed 100m/min.
Embodiment 3
Information transfer layer evaporation thickness 1000 dusts, evaporation process: vacuum 10
-3Millibar, speed 1000m/min; UV resin bed combination process: dry-coated amount to 50 gram of UV resin, 150 m/mins of operating speeds; Acrylic resin adopts coating machine to be applied to wet amount 20 gram/m
2, 200 ℃ of oven dry, 60 seconds drying times, operating speed 150m/min.
Second group of embodiment (4-6)
Different from first group of embodiment is that the information transfer layer adopts metallic aluminium; The second protective layer adopts polyurethane resin; Holographic pattern membrane structure: paper tinsel film, UV resin bed, aluminium lamination, urethane resin layer.
The 3rd group of embodiment (7-9)
Different from first group of embodiment is that the information transfer layer adopts silica; The second protective layer adopts epoxy resin; Holographic pattern membrane structure: paper tinsel film, UV resin bed, silicon oxide layer, epoxy resin layer.
The 4th group of embodiment (10-12)
Different from first group of embodiment is that the information transfer layer adopts zinc sulphide; The second protective layer adopts acrylic resin modified; Holographic pattern membrane structure: paper tinsel film, UV resin bed, zinc sulfide layer, acrylic resin modified layer.
The 5th group of embodiment (13-15)
Different from first group of embodiment is that the information transfer layer adopts metallic zinc; The second protective layer adopts modified polyurethane resin; Holographic pattern membrane structure: paper tinsel film, UV resin bed, metallic zinc layer, modified polyurethane resin layer.
The 6th group of embodiment (16-18)
Different from first group of embodiment is that the information transfer layer adopts zinc sulphide; The second protective layer adopts modified epoxy; Holographic pattern membrane structure: paper tinsel film, UV resin bed, zinc sulfide layer, modified epoxy layer.
In embodiment 1-18, apply first a transfer layer on female film surface, again evaporation information transfer layer.Transfer layer adopts celluosic resin, acrylic resin, polyurethane resin, epoxy resin, modified cellulose resin, acrylic resin modified, modified polyurethane resin, modified epoxy, wax class successively, process conditions recycle above-mentioned transfer layer material and get embodiment 19-36 as described in the 1-18.
Above-described embodiment product after testing, holographic pattern film is to the accuracy that accurately reaches more than 90% that copies of female film holographic pattern groove structure, from visually contrast, the holographic pattern indifference on the holographic pattern on the holographic pattern film and the female film.
Claims (7)
1. the manufacture craft of a roll type holographic pattern film, described technique is as follows:
1.1 apply first a transfer layer on female film surface, evaporation information transfer layer again, described transfer layer material is a kind of in celluosic resin or modified cellulose resin, acrylic resin or acrylic resin modified, polyurethane resin or modified polyurethane resin, epoxy resin or modified epoxy or aforementioned substances copolymer/mixture, the wax class, adopts coating machine to be applied to wet amount 1-20 gram/m
2, 80-200 ℃ of oven dry, be 10-60 second drying time, operating speed is 20-150m/min;
1.2 coating adhesive adhesion coating on the information transfer layer carries out itself and paper tinsel film compoundly again, described adhesive layer is the UV resin;
1.3 female film is peeled off, is obtained holographic pattern film;
It is characterized in that: the groove structure of described female film surface hologram line is copied to the information transfer layer;
Apply the second protective layer on the surface of holographic pattern film, again itself and film are carried out compoundly, film is peeled off the holographic pattern film that is improved after compound; And selectively apply the second protective layer at the surface portion of holographic pattern film and realize different effects.
2. the manufacture craft of a kind of roll type holographic pattern film according to claim 1, it is characterized in that, described female membrane structure is followed successively by from top to bottom: paper tinsel rete, Information Level, wherein the information layer surface impression has holographic pattern, and described paper tinsel rete is selected from the composite membrane of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.
3. the manufacture craft of a kind of roll type holographic pattern film according to claim 1; it is characterized in that; described female membrane structure is followed successively by from top to bottom: paper tinsel rete, Information Level, information protection layer; wherein the information layer surface impression has holographic pattern, and described paper tinsel rete is selected from the composite membrane of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.
4. according to the manufacture craft of a kind of roll type holographic pattern film claimed in claim 1, it is characterized in that, described paper tinsel film is selected from composite membrane or the chemical films of PET film, BOPP film, PI film, PC film or metal forming or said film and metal forming.
5. the manufacture craft of the described a kind of roll type holographic pattern film of each claim according to claim 1-4, it is characterized in that, described information transfer layer material is metal or metal oxide or zinc sulphide or silica or rear a kind of in both mixture, thickness is the 50-1000 dust, concrete evaporation process is as follows: in vacuum evaporation plating machine, low vacuum is in 10
-2Millibar, speed 60-1000m/min.
6. the manufacture craft of the described a kind of roll type holographic pattern film of each claim according to claim 1-4, it is characterized in that, described combination process is as follows: in compounding machine, the UV resin adopts ultraviolet light polymerization, dry-coated amount restrains to 0.5-50, operating speed 20-150 m/min, UV lamp power is looked coating weight and state of cure capable of regulating.
7. the manufacture craft of a kind of roll type holographic pattern film according to claim 1; it is characterized in that: described the second protective layer material is a kind of in acrylic resin or acrylic resin modified, polyurethane resin or modified polyurethane resin, epoxy resin or modified epoxy or the aforementioned substances copolymer/mixture, and concrete coating processes is as follows: adopt coating machine to be applied to wet amount 1-20 gram/m
2, 80-200 ℃ of oven dry, be 10-60 second drying time, operating speed is 20-150m/min.
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