CN106054290B - A kind of composite membrane and preparation method thereof - Google Patents
A kind of composite membrane and preparation method thereof Download PDFInfo
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- CN106054290B CN106054290B CN201610626451.5A CN201610626451A CN106054290B CN 106054290 B CN106054290 B CN 106054290B CN 201610626451 A CN201610626451 A CN 201610626451A CN 106054290 B CN106054290 B CN 106054290B
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
Abstract
The present invention provides a kind of composite membranes, and including substrate layer, the substrate layer upper surface is provided with lenticular sheet layer, laser holographic layer；The substrate layer lower surface is sequentially stacked metallic reflective layer, compound adhesive water layer and paper substrate, wherein, the position of corresponding lenticular sheet layer sets micro- picture and text layer between the substrate layer lower surface and metallic reflective layer.The present invention by using lenticular sheet technology, laser holographic technology, be accurately positioned, micro text printing etc. techniques make, stero dynamic effect is presented in finished product packaging film part lenticular sheet picture and text, which includes the variations such as picture and text floating, sinking, translation, vertical, orthogonal, shear；Laser holography anti-counterfeit internal effect is presented in rest part.Positioning anti-fake packaging composite film cuts into the compound paper product of sheet of certain size, is printed for downstream industry, client's positioning overprinting.The present invention is comprehensive to be used a variety of anti-counterfeiting technologies, effect novel and unique, can be widely applied to the markets such as packages printing, label, anti-fake.
Description
Technical field
The invention belongs to field of material technology, more particularly to a kind of composite membrane and preparation method thereof.
Background technology
Widely used laser holographic transfer membrane or laser holographic composite film are as packages printing field currently on the market
Counterfeit protection measures have applied the more than ten years, and unit price drops to 1 yuan/square metre or so via 10 original yuan/square metre, already
It spreads unchecked in market.Moreover, its rainbow variation, visual impact, decoration performance easily cause the visual fatigue of ordinary consumer.This makes
Ordinary consumer cannot at a glance it is clear identification Related product different laser anti-counterfeiting effects, so as to cause laser film excessive
Packaging, anti-counterfeiting power such as die down at the drawbacks.With the popularization of various anti-counterfeiting technologies, the decline of technical threshold, many illegal producers lead to
Correlation means are crossed to the imitated so as to seek massive profits of some expensive goods, intensifies illegitimate competition, causes market confusion.
Newest anti-fake industry " 13 " development plan is proposed using novel optical anti-counterfeiting technology as industry development at this stage
Theme, including lenticule anti-counterfeiting technology, lenticule figure combination technique, multicolor holographic positioning printing technology etc..
Grating is the technology with reference to numeral science and technology and traditional printing, and different special effects can be shown on special film
Fruit.The lifelike three-dimensional world, the smooth animation segment as film, unimaginably queer unreal change effect are shown in the plane.Light
Grid are a thin slices being made of strip lens, when we look over from one side of camera lens, it will be seen that on thin slice another side
Image on one very thin lines, and the position of this line is then determined by viewing angle.If we are by this several width not
With the image on lines, corresponding to the width of each lens, branch's arrangement is printed on the back side of grating thin slice in order respectively,
When we pass through lens inspection from different perspectives, it will be seen that different images.
Invention content
The invention reside in the positioning anti-fake packaging composite film for providing a kind of combination lenticular sheet and laser holographic technology,
It is comprehensive to use various high-end anti-counterfeiting technologies in the anti-fake effect and surcharge that on existing composite membrane product, greatly improve product.
In order to achieve the above objectives, the specific technical solution of the present invention is as follows：
A kind of composite membrane, including substrate layer, the substrate layer upper surface is provided with lenticular sheet layer, laser holographic layer；
The substrate layer lower surface is sequentially stacked metallic reflective layer, compound adhesive water layer and paper substrate, wherein, corresponding lenticular sheet layer
Position sets micro- picture and text layer between the substrate layer lower surface and metallic reflective layer.
In the case of being determined in lenticular sheet arrangement period, by change micro- picture and text arrangement period, micro- picture and text with it is micro-
Lens angular range and different dynamic three-dimensional effects is presented.Micro- picture and text of the grating of the lenticular sheet layer and micro- picture and text layer
Arrangement has angle, and the angular range is 0 ° -5 °.
Stero dynamic picture and text to cause micro- picture and text layer have depth background color color.Between the substrate layer and micro- picture and text layer
It is coated with color layer.
To require to design according to product packaging, local specific position sets lenticular sheet structure, laser holographic pattern root
According to packaging demand personalization design plate-making.The lenticular sheet layer includes one-dimensional column mirror grating layer, two-dimensional microlens grating layer
Or the grating layer that the two is combined.The lenticule permutation arrangement mode of the two-dimensional microlens grating is including round, rectangle or just
Hexagon.
Preferable visual effect is formed for cooperation lenticular sheet layer and micro- picture and text layer, the finished size is consistent, each to scheme
Case（Lenticular sheet unit, laser holographic pattern）It is identical in layout position.The substrate layer is flexible polymer film, described
Film is more than 91% optical grade BOPET film for light transmittance, and the upper and lower surface of film is surface-treated, including corona, coating
Following layer.The base material layer thickness is 10um-55um.
As composite packing film, to coordinate base material layer thickness, the grating height in the lenticular sheet layer is 3um-
35um.So that substrate layer forms imaging unit with lenticule, the focal length of the imaging unit is just substrate layer lower surface, i.e. base material
Layer thickness and lenticule parameter size need to cooperate.Micro- picture and text are on the imaging unit focal length face, i.e. substrate layer following table
On face.
The dynamic small picture and text of depth for obtaining front observation to improve light reflection become apparent from.
The metallic reflective layer is vacuum aluminium coated layer or Vacuum Deposition silver layer.
The present invention also provides a kind of production methods of composite membrane, include the following steps：
The first step selects substrate layer；
Second step makes lenticular sheet layer unit mother matrix and laser holographic layer unit mother matrix；It, will using UV layout technologies
Described two unit mother matrix split large area mother matrixs；
Third walks, and the large area mother matrix is coated on Embosser, coated UV curable is carried out on substrate layer
Resin or hot pressing；
4th step, corresponding lenticular sheet layer position, processes micro- picture and text layer on substrate layer another side；
5th step, the evaporation metal reflective layer on micro- picture and text layer；
6th step is coated with composite glue, then compound upper paper, scroll-like semi-finished product in metallic reflective layer lower surface；
7th step cuts above-mentioned composite membrane as flat paper, forms final finished.
The present invention by using lenticular sheet technology, laser holographic technology, be accurately positioned, micro text printing etc. techniques
Make, finished product packaging film part lenticular sheet picture and text present stero dynamic effect, the stero dynamic effect include picture and text float,
The variations such as sinking, translation, vertical, orthogonal, shear；Laser holography anti-counterfeit internal effect is presented in rest part.The positioning anti-fake packaging
The compound paper product of sheet of compound film slitting into certain size is printed for downstream industry, client's positioning overprinting.Present invention synthesis is adopted
With a variety of anti-counterfeiting technologies, effect novel and unique, it can be widely applied to the markets such as packages printing, label, anti-fake.
The present invention is further elaborated below by way of description of the drawings and specific embodiment.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is composite membrane sheet paper product vertical view of the present invention；
Fig. 3 coordinates micro- picture and text structure diagram for one-dimensional column mirror grating；
Fig. 4 coordinates micro- picture and text structure diagram for two-dimensional array of micro-lenses；
The imaging unit schematic diagram of the single lenticules of Fig. 5 and substrate layer composition.
Label declaration
Cursor 1, substrate layer 2, substrate layer upper surface 21, substrate layer lower surface 22, lenticular sheet layer 3, laser holographic layer
4, micro- picture and text layer 5（By taking the initial JH of capital as an example）, metallic reflective layer 6, compound adhesive water layer 7, paper substrate 8.
Specific embodiment
Define explanation：
Lenticular sheet refers to being made of the lens array with microradian that a large amount of periods arrange.Wherein, it is single
Mirror is one-dimensional column mirror grating when being plano-convex cylindrical lens, and single lens are that circle lens are two-dimensional microlens grating.
Grating height is lenticule cambered surface depth, consistent with the cup depth of the concave structure of corresponding unit mother matrix, also referred to as light
Grid arc.
Embodiment 1
A kind of composite membrane,（As shown in Figure 1）, including substrate layer 2,2 upper surface of substrate layer includes lenticular sheet layer
3rd, laser holographic layer 4；Metallic reflective layer 6, compound adhesive water layer 7 and paper substrate 8 are set gradually in 2 lower surface of substrate layer, correspondence is micro-
3 position of lens grating layer sets micro- picture and text layer 5 between 2 lower surface of substrate layer and metallic reflective layer 6.The substrate layer 2 with
Lenticular sheet layer 3 forms imaging unit, and the focal length of the imaging unit falls micro- picture and text layer 5 in substrate layer lower surface.It is described micro-
Lens grating layer 3 has angle with the arrangement of micro- picture and text layer 5, and to reach three-dimensional imaging effect, angular range is 0 ° -5 °.It is described
2 thickness of substrate layer is 10um-55um, and the lenticular sheet height is 3um-35um.
A kind of production method of composite membrane, includes the following steps：
First, substrate layer 2 is selected.The substrate layer 2 be flexible polymer film, generally comprise PET, PE, PP, PVC,
PC, PMMA etc., thickness 10um-55um, breadth are selected according to package design demand.It is preferred that light transmittance is more than 91% optical grade
BOPET film, the upper and lower surface of film are surface-treated, including corona, coating following layer etc..It can be applied on the upper and lower surface of film
Cloth polyurethane following layer is to improve substrate layer 2 and microstructured layers lenticular sheet layer 3, the binding strength of laser holographic layer 4.
Secondly, the techniques such as engraving, laser ablation, photoetching process are processed by micron order precision machinery to process to obtain lenticule light
3 unit mother matrix of grid layer, the 3 unit mother matrix of lenticular sheet layer are corresponding concave structure（Lens on lenticular sheet film
It is raised, it is corresponding concave structure that corresponding manufacture, which obtains 3 unit mother matrix of lenticular sheet layer,）.By laser hologram system
Platemaking technology obtains 4 unit mother matrix of laser holographic layer.Described two unit mother matrixs require to design according to product packaging, local certain bits
Lenticular sheet layer 3 is installed, laser holographic layer 4 is according to packaging demand personalization design plate-making.Described two unit mother matrixs lead to
UV layout technologies are crossed, piece together the large area mother matrix for batch duplicating, large area reticle dimension is matched according to packaging product size
It closes printing equipment specification and sets.Described two mother matrix materials include the material identical or different with substrate layer.The fusion is micro-
The large area mother matrix of lens grating layer 3 and laser holographic layer 4 is coated on Embosser on stencilling wheel.By being applied on substrate layer 2
Cloth UV-cured resin or hot pressing go out 4 figure of lenticular sheet layer 3 and laser holographic layer in 2 upper surface batch duplicating of substrate layer
Case.As composite packing film, general base material layer thickness is 10um-55um, and cooperation obtains lenticular sheet height as 3um-
35um。
Then, corresponding lenticular sheet layer 3, processed to be formed using the methods of coining, photoetching, specialty printing, laser ablation
Micro- picture and text layer 5.The micro- picture and text variation pattern of stero dynamic includes picture and text floating, sinking, translation, vertical, orthogonal, shear etc..
Micro- arrangement of picture and text layer 5 and the dimensional structure of lenticular sheet 3 meet following relationship：First, 3 groups of substrate layer 2 and lenticular sheet
Into imaging unit, the focal length of the imaging unit is just 2 lower surface of substrate layer, i.e., base material layer thickness and lenticule parameter size need
It cooperates.Micro- picture and text layer 5 is on the imaging unit focal length face, i.e., on 2 lower surface of substrate layer；Second, lenticular sheet
Certain angle is presented in arrangement period and micro- picture and text arrangement period, the two arrangement.In the feelings that lenticular sheet arrangement period determines
Under condition, imitated by changing micro- picture and text arrangement period, micro- picture and text from lenticular sheet angular range different dynamic three-dimensionals are presented
Fruit.
Then, it in micro- 5 side evaporation metal reflective layer 6 of picture and text layer, generally comprises vacuum aluminum-coated silver-plated；In metallic reflective layer 6
Lower surface is coated with composite glue, forms compound adhesive water layer 7, then compound upper paper, forms paper substrate 8.The paper base material 8 is
237g/m2Composite card paper, the positioning anti-fake packaging composite film reel that will finally merge lenticular sheet layer 3 and laser holographic layer 4
Shape semi-finished product.
Finally, above-mentioned composite membrane is cut as flat paper according to printing equipment size, forms final finished.The finished size
Unanimously, each pattern（Lenticular sheet 3, laser holographic pattern）It is identical in layout position.The composite membrane is flat paper form（Such as
Shown in Fig. 2）, 4 cell type patterns of a space of a whole page, depending on space of a whole page size coordinates printing equipment size, printing needs positioning sleeve seal box
Type pattern prints, and printing equipment can carry out register according to cursor 1.
Embodiment 2
As shown in figure 3, other are as described in Example 1, difference lies in：The lenticular sheet layer 3 is one-dimensional column mirror grating,
The column mirror grating height is 18um, and 2 thickness of substrate layer is 50um.The JH stereo-motions direction of micro- picture and text layer 5 is horizontal movement
（I.e. its direction of motion is perpendicular to column mirror grating stripe direction）.The substrate layer lower surface 22 is first coated with color layer, and form and aspect are
It is golden.Micro- picture and text layer 5 is processed on color layer.Depth is presented for the JH stero dynamics of micro- picture and text layer 5 in its effect（It is golden）Color
Color shading.
Embodiment 3
As described in Figure 4, other as described in Example 1, difference lies in：The lenticular sheet layer 3 is two-dimensional microlens light
Grid（Two-dimensional grating lenticule permutation arrangement mode includes round, rectangle or regular hexagon etc.）, preferably two-dimentional dot lenticule
（As shown in Figure 5）.The lenticule height h is 10um.By changing the arrangement of micro- picture and text 5, micro- picture and text can be made visually
A variety of stero dynamics are presented.The metallic reflective layer 6 is aluminium coated, and 6 thickness of aluminium coated is 380-500.
Embodiment 4
Other as described in Example 1, difference lies in：The lenticular sheet includes one-dimensional column mirror grating, two-dimensional microlens
The grating that grating is combined.
The present invention by using lenticular sheet technology, laser holographic technology, be accurately positioned, micro text printing etc. techniques
Make, finished product packaging film part lenticular sheet picture and text present stero dynamic effect, the stero dynamic effect include picture and text float,
The variations such as sinking, translation, vertical, orthogonal, shear；Laser holography anti-counterfeit internal effect is presented in rest part.The positioning anti-fake packaging
The compound paper product of sheet of compound film slitting into certain size is printed for downstream industry, client's positioning overprinting.Present invention synthesis is adopted
With a variety of anti-counterfeiting technologies, effect novel and unique, it can be widely applied to the markets such as packages printing, label, anti-fake.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, those of ordinary skill in the art are to this hair
Other modifications or equivalent replacement that bright technical solution is made, without departing from the spirit and scope of technical solution of the present invention,
It should all cover in scope of the presently claimed invention.
Claims (7)
1. a kind of composite membrane, it is characterised in that：Including substrate layer, the substrate layer upper surface is provided with lenticular sheet layer, radium
Penetrate hologram layer；The substrate layer lower surface is sequentially stacked metallic reflective layer, compound adhesive water layer and paper substrate, wherein, correspondence is micro-
The position of mirror grating layer sets micro- picture and text layer between the substrate layer lower surface and metallic reflective layer；The lenticular sheet layer
In grating height be 3um-35um；The grating of the lenticular sheet layer and micro- picture and text arrangement of micro- picture and text layer have angle,
The angular range is 0 ° -5 °；The production method of above-mentioned composite membrane, includes the following steps：
The first step selects substrate layer；
Second step makes lenticular sheet layer unit mother matrix and laser holographic layer unit mother matrix；Using UV layout technologies, by described in
Two kinds of unit mother matrix split large area mother matrixs；
Third walks, and the large area mother matrix is coated on Embosser, and coated UV curable resin is carried out on substrate layer
Or hot pressing；
4th step, corresponding lenticular sheet layer position, processes micro- picture and text layer on substrate layer another side；
5th step, the evaporation metal reflective layer on micro- picture and text layer；
6th step is coated with composite glue, then compound upper paper, scroll-like semi-finished product in metallic reflective layer lower surface；
7th step cuts above-mentioned composite membrane as flat paper, forms final finished.
2. a kind of composite membrane as described in claim 1, it is characterised in that：It is set between the substrate layer and micro- picture and text layer coloured
Color layer.
3. a kind of composite membrane as described in claim 1, it is characterised in that：The lenticular sheet layer includes one-dimensional column mirror grating
The grating layer that layer, two-dimensional microlens grating layer or one-dimensional column mirror grating layer and two-dimensional microlens grating layer are combined.
4. a kind of composite membrane as claimed in claim 3, it is characterised in that：The lenticule permutation row of the two-dimensional microlens grating
Row mode includes round, rectangle or regular hexagon.
5. a kind of composite membrane as described in claim 1, it is characterised in that：The substrate layer is flexible polymer film, described
Film is more than 91% optical grade BOPET film for light transmittance.
6. a kind of composite membrane as described in claim 1, it is characterised in that：The base material layer thickness is 10um-55um.
7. a kind of composite membrane as described in claim 1, it is characterised in that：The metallic reflective layer is vacuum aluminium coated layer or vacuum
Silver coating.
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| CN201610626451.5A CN106054290B (en) | 2016-08-03 | 2016-08-03 | A kind of composite membrane and preparation method thereof |
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| CN107993561B (en) * | 2016-10-27 | 2024-04-16 | 上海彩丞新材料科技有限公司 | Three-dimensional anti-counterfeiting microlens slice |
| CN110673239A (en) * | 2019-10-22 | 2020-01-10 | 华南理工大学 | Naked eye 3D mobile phone backboard film, preparation method thereof and mobile phone |
| CN111216446B (en) * | 2019-12-05 | 2022-03-25 | 苏州美盈森环保科技有限公司 | Forming method and forming equipment for structure with dynamic three-dimensional effect and printed matter |
| CN111986557A (en) * | 2020-08-28 | 2020-11-24 | 江阴通利光电科技有限公司 | Method for manufacturing label anti-counterfeiting film by adopting localized coating |
| CN112233536A (en) * | 2020-11-02 | 2021-01-15 | 深圳市裕同包装科技股份有限公司 | Anti-counterfeit label and production method thereof |
| CN114892438B (en) * | 2021-11-12 | 2023-06-27 | 中丰田光电科技(珠海)有限公司 | Preparation method of laser etching dot matrix imaging encryption anti-counterfeiting paper |
| CN114407501B (en) * | 2021-12-29 | 2023-05-30 | 浙江美浓世纪集团有限公司 | Combined precise gold stamping method for various microstructures |
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