CN110441846A - 3 D grating and its preparation method and application - Google Patents
3 D grating and its preparation method and application Download PDFInfo
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- CN110441846A CN110441846A CN201910558026.0A CN201910558026A CN110441846A CN 110441846 A CN110441846 A CN 110441846A CN 201910558026 A CN201910558026 A CN 201910558026A CN 110441846 A CN110441846 A CN 110441846A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
Abstract
The present invention relates to a kind of 3 D gratings and its preparation method and application.The preparation method of the 3 D grating includes the following steps: that hyaline layer is arranged on being printed with the printed sheet for handling graph text information by 3D, and the hyaline layer at least covers the graph text information by 3D processing；Blocking film is provided, blocking film includes the substrate layer, release layer and adhesive layer being cascading；Blocking film is covered on above-mentioned hyaline layer, makes the side of separate release layer of adhesive layer towards hyaline layer；Thermoprint is carried out from the side far from the release layer of substrate layer, is adhered to adhesive layer on hyaline layer；Remove the substrate layer of blocking film.Compared with the existing mould pressing process and gravure printing technique for preparing 3 D grating, the above-mentioned method for preparing 3 D grating in a manner of thermoprint using blocking film, efficiency is higher, cost is relatively low, and the preparation method of the 3 D grating without carrying out scrap build.
Description
Technical field
The present invention relates to packages printing fields, more particularly to a kind of 3 D grating and its preparation method and application.
Background technique
Packages printing is the important means and approach for improving Additional Value of Commodities, enhancing commodity competitiveness, exploiting market.By light
The stereosopic printing technology that grid stereoscopic imaging technology is combined with Conventional printing process makes package have stereoscopic depth and three-dimensional vertical
The effect of body has broken traditional printing product plane, static state, single visual effect.
Currently, preparation is packed for main two kinds of method of 3 D grating: one is mould pressing process, i.e., first prepare grating yin
Transparent plastic sheet material is molded into grating sheet then by the way of hydraulic by mould, then will place by way of printing or being bonded
The 3D picture and text managed are compounded in the back side of grating sheet, to generate the effect of 3D.Such technique is suitble to prepare full slice system grating
Sheet material, inefficiency, and the cost of manufacture of hydraulic version and molding cost are quite high.Another kind is intaglio printing, the process requirement
Existing printing equipment is significantly transformed, improvement cost is high.Do not become mainstream preparation method.
Summary of the invention
Based on this, it is necessary to it is higher and advantageously reduce the preparation method of the 3 D grating of cost to provide a kind of efficiency.
In addition, also providing a kind of 3 D grating and its application.
A kind of preparation method of 3 D grating, includes the following steps:
Hyaline layer is set being printed on the printed sheet by the 3D graph text information handled, and the hyaline layer at least covers institute
State the graph text information handled by 3D；
Blocking film is provided, the blocking film includes the substrate layer, release layer and adhesive layer being cascading；
The blocking film is covered on the hyaline layer, make the adhesive layer far from the release layer side towards
The hyaline layer；
Thermoprint is carried out from the side far from the release layer of the substrate layer, is adhered to the adhesive layer described transparent
On layer；
Remove the substrate layer of the blocking film.
The above-mentioned method for preparing 3 D grating is prepared in a manner of thermoprint using blocking film, does not need to make different
Moulded board, without progress scrap build, therefore efficiency is higher and cost is relatively low.And the existing method for preparing 3 D grating is main
Two kinds: one is mould pressing process, i.e., first grating former are first prepared, then by the way of hydraulic, by transparent plastic sheet material mould
It is pressed into grating sheet, then processed 3D picture and text are compounded in the back side of grating sheet by way of printing or being bonded, thus
Generate the effect of 3D.Such technique is suitble to prepare the cost of manufacture and mould of full slice system grating sheet, inefficiency, and hydraulic version
It is quite high to be pressed into this.Another kind is intaglio printing, which is significantly transformed existing printing equipment, improvement cost
It is high.
The mode of printing of the graph text information handled by 3D on the printed sheet is selected from one of the embodiments,
One of offset printing, flexo, gravure, silk-screen and digital printing.
In one of the embodiments, the hyaline layer in PET optical cement layer, BOPP optical cement layer and UV light oil reservoir one
Kind.
In one of the embodiments, the hyaline layer with a thickness of 0.001mm~0.2mm.
In one of the embodiments, the substrate layer of the blocking film with a thickness of 8 μm~20 μm, the release layer
With a thickness of 5nm~20nm, the adhesive layer with a thickness of 0.001mm~0.2mm.
The boiling hot version used when the thermoprint in one of the embodiments, is that 3 D grating former scalds version.
The 3 D grating former scalds version and scalds version, column mirror grating selected from dot grating former in one of the embodiments,
Former scald version and slit grating former scald one of version and/or the 3 D grating former scald version cup depth be less than or
Equal to the thickness of the adhesive layer of the blocking film.
In one of the embodiments, the temperature when thermoprint be 70 DEG C~100 DEG C, pressure be 0.7MPa~
1.2MPa。
The 3 D grating that the boiling hot preparation method of above-mentioned 3 D grating is prepared.
Application of the above-mentioned 3 D grating in production product packaging.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the blocking film of an embodiment；
Fig. 2 is the preparation method flow chart of the 3 D grating of an embodiment；
Fig. 3 is used to prepare structural schematic diagram when 3 D grating for the blocking film of an embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that term as used herein "upper", "lower", "vertical", "horizontal", "left" and "right" with
And similar statement is for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that the limitation present invention.
As shown in Figure 1, the blocking film 100 of an embodiment, can be used for preparing 3 D grating (not shown, similarly hereinafter).This is scalded
Die 100 includes substrate layer 110, release layer 120 and the adhesive layer 130 being cascading.
Substrate layer 110 transmits the pressure and heating power for scalding version in thermoprint for carrying and protecting adhesive layer 130.Base
Material layer 110 is selected from one of biaxial stretching polyester (BOPET) film, Biaxially oriented polypropylene (BOPP) film and polyester (PET) film.
Preferably, the substrate layer 110 with a thickness of 8 μm~20 μm.When the thickness of substrate layer 110 be lower than 8 μm when, tensile resistance compared with
Difference, thermoprint process are easily broken.When the thickness of substrate layer 110 is more than 20 μm, increased costs, and will affect the thermoprint of boiling hot version
Precision.
Release layer 120 is formed after being dried by mould release.Release layer 120 with a thickness of 5nm~20nm.Release layer 120 is set
When making 3 D grating for subsequent thermoprint, it is convenient for peeling base layer 110.Experiment discovery, if release layer 120 is excessively thin, in thermoprint
When 3 D grating, the peeling effect of substrate layer 110 is poor, or even not fully strips；If release layer 120 is blocked up, cost is caused to increase
Add.
Adhesive layer 130 is the material of main part of formation 3 D grating after thermoprint.Adhesive layer 130 by being formed after hot melt adhesive curing,
The hot melt adhesive is transparent thermoplastic resin.
Above-mentioned blocking film exists in the form of membrane material, can be used for making 3 D grating, when it is applied to production cubic light
When grid, it is only necessary to can be obtained by with the form of thermoprint, it can be both arranged with full page, can also be with local setting；And thermoprint at
After type, substrate layer 110 is peeled off together with release layer 120, since the thickness of its adhesive layer 130 is only 0.001mm~0.2mm,
The thinner thickness of obtained 3 D grating can combine together with packaging material well.And existing full slice system grating sheet
Can only full version setting, and its thickness can not combine together usually in 0.3mm or more with packaging material.
The preparation method of the blocking film of one embodiment, includes the following steps:
Step S110: release layer 120 is set on a surface of substrate layer 110.
Specifically, step S110 includes: to be coated with mould release on a surface of substrate layer 110, after dry, forms release layer
120。
In one embodiment, the mould release in step S110 is selected from organic siliconresin, aqueous paraffin and mineral type wax
One of.For example, the HB anodized aluminium mould release of Shanghai Bi He Trade Co., Ltd. production, Dongguan City Jie Bangte new material science and technology
The model ZS-230 mould release resin of Co., Ltd's production or the model of Zhong Sheng organosilicon Science and Technology Ltd., Shenzhen production
For the aqueous mould release of ZS-2430.
Step S120: adhesive layer 130 is set far from the side of substrate layer 110 in release layer 120, wherein adhesive layer 130
With a thickness of 0.001mm~0.2mm.
Specifically, step S120 includes: the side applying hot melt adhesives in release layer 120 far from substrate layer 110, after solidification,
Form adhesive-layer 130.
Further, above-mentioned hot melt adhesive is selected from one of aqueous polyurethane, polyurethane-modified resin and ABS resin.Example
Such as, select the HP-288 Waterborne hot-melt adhesive of Dongguan City Cai Guan printed material Co., Ltd, Shanghai Wan Han Industrial Co., Ltd. it is excellent
Benefit reaches the JBT-8160 glue of the aqueous alumite gum of 920N or Dongguan City Jie Bangte new material Science and Technology Ltd..
The blocking film 100 that the preparation method of above-mentioned blocking film 100 or above-mentioned blocking film is prepared is three-dimensional in production
Application in grating.
Above-mentioned blocking film 100, for making 3 D grating, it is only necessary to by way of thermoprint, so that it may be prepared
The 3 D grating that can be applied to packaging field does not need to use and existing printing equipment is transformed, high-efficient and at low cost, and both
Can local thermoprint, the 3 D grating that can also be obtained with full version thermoprint, thermoprint can combine together with packaging material well.
Please continue to refer to Fig. 2 and Fig. 3, the preparation method of the 3 D grating of an embodiment includes the following steps:
Step S210: hyaline layer 300 is set on being printed with the printed sheet 200 by the 3D graph text information handled, and this is thoroughly
Bright layer 300 at least covers the graph text information by 3D processing.
Wherein, the material of the printed sheet 200 in step S210 is the material for packing product, it can be paper, modeling
The common packaging materials such as material.The arbitrary region of printed sheet can be printed by the graph text information that 3D is handled, either part area
Domain is also possible to whole region.On printed sheet by 3D handle graph text information mode of printing be selected from offset printing, flexo, gravure,
One of silk-screen and digital printing.Hyaline layer 300 is set it is to form one after in conjunction with the 3 D grating formed after thermoprint
The precision of fixed thickness, thickness and 3 D grating is in inverse ratio, i.e. grating precision is higher, and hyaline layer 300 is thinner, conversely, grating
Precision is lower, and hyaline layer 300 is thicker, the depth of field being imaged by the combination adjustable light barrier of the two.Hyaline layer 300 is to be combined
PET optical cement layer, BOPP optical cement layer or UV light oil reservoir.Hyaline layer 300 with a thickness of 0.001mm~0.2mm.Hyaline layer 300
Thickness is smaller, and the convex sense generated in packaging after thermoprint is smaller, higher with the fusion degree of packaging, conversely, hyaline layer 300 is got over
Thickness, the convex sense generated in packaging after thermoprint is more obvious, lower with the fusion degree of packaging.
Step S220: providing blocking film 100, which includes substrate layer 110, the release layer being cascading
120 and adhesive layer 130.Wherein, adhesive layer 130 with a thickness of 0.001mm~0.2mm.Because existing former scalds the maximum essence of plate
Degree is about 0.001mm, is to match with the precision, sets this lower limit value.When adhesive layer thickness is more than 0.2mm, to hyaline layer
300 thickness is significantly increased, and the fusion degree of 3 D grating and packaging is caused to be greatly reduced.The specific structure of blocking film 100 and
Material context hereinbefore has been introduced, and details are not described herein.
Step S230: the blocking film 100 in step S220 is covered on hyaline layer 300, the adhesive layer of blocking film 100 is made
The side of 130 separate release layer 120 is towards the hyaline layer 300 in step S210.
Step S240: it is scalded from the substrate layer 110 of the blocking film 100 in step S230 far from the side of release layer 120
Print, is adhered to the adhesive layer 130 of blocking film 100 on hyaline layer 300.
Wherein, it is that 3 D grating former scalds version (not shown, similarly hereinafter) that version is scalded used in step S240.3 D grating yin
Mould scalds version and is selected from one of the boiling hot version of dot grating former, the boiling hot version of column mirror grating former and the boiling hot version of slit grating former.Used
The cup depth that 3 D grating former scalds version is less than or equal to the thickness of the adhesive layer 130 of blocking film 100.
In the particular embodiment, the dot grating former that uses scald version be hemispherical that cup depth is 0.001mm or
The hemispherical dot grating former that the hemispherical or cup depth that cup depth is 0.01mm are 0.1mm scalds version；The cylindrical mirror used
The boiling hot version of grating former is that cup depth is that 0.15mm or 0.2mm waveform column mirror grating former scalds version；The slit grating yin used
The boiling hot version of mould is that cup depth is 0.2mm, width 0.2mm, the boiling hot version of the slit grating former that spacing is 0.2mm.In step S240
Blocking point be 70 DEG C~100 DEG C；Pressure of hot stamping is 0.7MPa~1.2MPa.Under the conditions of this thermoprint, adhesive layer can be made
It is fused into glassy state, and is unlikely to damage the structure of blocking film because of overheat.
It should be noted that the 3D processing in step S210 is usually handled by dot matrix and rasterizing handles two kinds, at this
Reason mode is common technology when this field prepares 3 D grating packages printing, succinct in order to save space and compose a piece of writing, herein not
Do excessive introduction.Printed sheet when boiling hot version when thermoprint in step S230 is that dot grating former scalds version, in step S210
The graph text information handled by 3D on 200 is the picture and text of dot matrix, and the graph text information of the dot matrix and step S230
Be intended to thermoprint at 3 D grating be to be mutually matched by design；Boiling hot version when thermoprint in step S230 is column mirror grating
When former scalds version or slit grating former and scalds version, the graph text information handled by 3D on printed sheet 200 in step S210
For the picture and text of rasterizing, and the graph text information of the rasterizing and step S230 be intended to thermoprint at 3 D grating be by design
And it is mutually matched.
Step S250: the substrate layer 110 of removing blocking film 100.
The above-mentioned method for preparing 3 D grating is prepared in a manner of thermoprint using blocking film, does not need to make hydraulic
Plate, without progress scrap build, therefore efficiency is higher and cost is relatively low.And the existing method main two for preparing 3 D grating
Kind: one is mould pressing process, i.e., first prepare grating former, and then by the way of hydraulic, transparent plastic sheet material is molded into light
Grid material, then processed 3D picture and text are compounded in the back side of grating sheet by way of printing or being bonded, to generate 3D
Effect.Such technique is suitble to prepare full slice system grating sheet, inefficiency, and the cost of manufacture of hydraulic version and molding cost
It is quite high.Another kind is intaglio printing, which is significantly transformed existing printing equipment, and improvement cost is high.
The 3 D grating that the preparation method of above-mentioned 3 D grating is prepared.
The formation basic theory of above-mentioned 3 D grating is as follows: blocking film 100 scalds the heating power and pressure of version in 3 D grating former
Under effect, adhesive layer 130 is melt into glassy state, the table of the hyaline layer 300 being adhered on printed sheet on one side far from release layer 110
Face is deformed under stress close to the one side of substrate layer 100 and scalds version with 3 D grating former and match and opposite shape, works as glue
After adhesion coating 130 switchs to solid-state from glassy state, it is firmly attached to 300 surface of hyaline layer on printed sheet, forms 3 D grating, is scalded
The substrate layer 110 of die 100 and adhesive layer 130 without 3 D grating former thermoprint region are stripped with release layer 120, from
And obtain 3 D grating.
The 3 D grating or above-mentioned 3 D grating that the preparation method of above-mentioned 3 D grating is prepared are produced in production
Application in product packaging.
Above-mentioned product packaging, using grating image, observer is observed by transparent 3 D grating is printed on printing
The graph text information of the predeterminable area of object handled by 3D shows stereoscopic depth and 3D effect, and it is flat to have broken traditional printing product
Face, static state, single visual effect.
The following are specific examples part:
Embodiment 1
1, blocking film is prepared
(1) it is coated with HB anodized aluminium mould release on a surface of the PET base material layer with a thickness of 8 μm, after dry, forms thickness
For the release layer of 5nm.
(2) HP-288 Waterborne hot-melt adhesive, solidification are coated with far from the side setting adhesive layer of substrate layer in above-mentioned release layer
Afterwards, the adhesive layer with a thickness of 0.01mm is formed.
2, the thermoprint film preparation 3 D grating being prepared using above-mentioned step
(1) it is being printed on the printed sheet by the 3D graph text information handled, is being prepared with UV gloss oil with a thickness of the saturating of 0.01mm
Bright layer；
(2) the above-mentioned blocking film being prepared is provided, the blocking film include the substrate layer being cascading, release layer and
Adhesive layer；
(3) blocking film is covered on above-mentioned hyaline layer, makes the one side of the separate release layer of the adhesive layer of blocking film
To above-mentioned hyaline layer；
It (4) the use of cup depth is 0.001mm, shape is that hemispheric three-dimensional dot grating former scalds version from blocking film
Substrate layer carries out thermoprint far from the side of release layer, is adhered to the adhesive layer of blocking film on hyaline layer, wherein the temperature of thermoprint
It is 70 DEG C, the pressure 0.7MPa of thermoprint；
(5) substrate layer of blocking film is removed.
2~embodiment of embodiment 6
The blocking film of 2~embodiment of embodiment 6 and the preparation step of 3 D grating are identical with embodiment 1, only each layer
Material and thickness and boiling hot version type and cup depth (seeing the above table in detail) it is variant, other processes are all the same.
The blocking film of each embodiment of table 1 and the specification and preparation parameter of 3 D grating
Measure of merit
Figure under the 3 D grating observation hyaline layer being prepared in the way of macroscopic through the various embodiments described above
Literary information, and compared with direct printed sheet of the observation containing the 3D graph text information handled.
The observing effect of each embodiment of table 2
In summary compared with directly observing the graph text information on printed sheet, the 3 D grating that is prepared through each embodiment
The graph text information under hyaline layer is observed, can obviously observe three-dimensional, with the depth of field the stereoscopic effect.Thus illustrate, in utilization
The blocking film for stating conceptual design is applied to the production of product packaging using the 3 D grating that the correlation technique in text is prepared
In, package can be made to have the effect of stereoscopic depth and 3 D stereo, break traditional printing product plane, static state, single view
Feel effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of preparation method of 3 D grating, which comprises the steps of:
Hyaline layer is set being printed on the printed sheet by 3D processing graph text information, and the hyaline layer at least covers the process
The graph text information of 3D processing；
Blocking film is provided, the blocking film includes the substrate layer, release layer and adhesive layer being cascading；
The blocking film is covered on the hyaline layer, makes the side far from the release layer of the adhesive layer towards described
Hyaline layer；
Thermoprint is carried out from the side far from the release layer of the substrate layer, the adhesive layer is made to be adhered to the hyaline layer
On；
Remove the substrate layer of the blocking film.
2. the preparation method of 3 D grating according to claim 1, which is characterized in that described by 3D on the printed sheet
The mode of printing of the graph text information of processing is selected from one of offset printing, flexo, gravure, silk-screen and digital printing.
3. the preparation method of 3 D grating according to claim 1, which is characterized in that the hyaline layer is selected from PET optical cement
One of layer, BOPP optical cement layer and UV light oil reservoir.
4. the preparation method of 3 D grating according to claim 1 or 3, which is characterized in that the hyaline layer with a thickness of
0.001mm~0.2mm.
5. the preparation method of 3 D grating according to claim 1, which is characterized in that the substrate layer of the blocking film
With a thickness of 8 μm~20 μm, the release layer with a thickness of 5nm~20nm, the adhesive layer with a thickness of 0.001mm~
0.2mm。
6. the preparation method of 3 D grating according to claim 1, which is characterized in that the boiling hot version used when the thermoprint is
3 D grating former scalds version.
7. the preparation method of 3 D grating according to claim 6, which is characterized in that the 3 D grating former scalds version choosing
From dot grating former scalds version, column mirror grating former scalds version and slit grating former scalds one of version and/or the cubic light
The cup depth that grid former scalds version is less than or equal to the thickness of the adhesive layer of the blocking film.
8. the preparation method of 3 D grating according to claim 1 or claim 7, which is characterized in that the temperature when thermoprint is
70 DEG C~100 DEG C, pressure is 0.7MPa~1.2MPa.
9. the 3 D grating that the boiling hot preparation method of described in any item 3 D gratings is prepared according to claim 1~8.
10. application of the 3 D grating as claimed in claim 9 in production product packaging.
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| CN201910558026.0A CN110441846B (en) | 2019-06-24 | 2019-06-24 | Three-dimensional grating and preparation method and application thereof |
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| CN201910558026.0A CN110441846B (en) | 2019-06-24 | 2019-06-24 | Three-dimensional grating and preparation method and application thereof |
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| CN113059936A (en) * | 2020-01-02 | 2021-07-02 | 星云电脑股份有限公司 | Printing method capable of performing gold stamping after printing for UV ink-jet printer |
| CN114316816A (en) * | 2021-12-16 | 2022-04-12 | 深圳九星印刷包装集团有限公司 | Method for preparing embossing film and stereo grating |
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| WO2006095902A1 (en) * | 2005-03-11 | 2006-09-14 | Dai Nippon Printing Co., Ltd. | Transfer foil and image forming matter employing it |
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| Publication number | Publication date |
|---|---|
| CN110441846B (en) | 2021-08-31 |
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