CN207216075U - A kind of laser hologram pre-coating film - Google Patents
A kind of laser hologram pre-coating film Download PDFInfo
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- CN207216075U CN207216075U CN201720763583.2U CN201720763583U CN207216075U CN 207216075 U CN207216075 U CN 207216075U CN 201720763583 U CN201720763583 U CN 201720763583U CN 207216075 U CN207216075 U CN 207216075U
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Abstract
Originally it is new to disclose a kind of laser hologram pre-coating film, including substrate layer (1), laser holographic interferometry striped resin bed (2), SiO2 coating (3), ZnS coating (4), priming coat (5), adhesive layer (6).This novel product is solved in pre-coating film industry manufacturing process, the high temperature colour fading technical problem of laser holographic film, ensure complete laser holographic effect and suitable higher temperature overlay film, there is provided it is a kind of using BOPP base materials as representative, possess laser holographic effect, high temperature resistant, be adapted to packaging industry low cost produce in enormous quantities new product.
Description
Technical field
Originally it is new to belong to Modern Optics Technology and packing technique field, and in particular to a kind of laser hologram pre-coating film.
Background technology
At present, in the market holographic film produces using moulding laser holographic image mode.Holographic imaging layer uses heat
Plastic resin, interference fringe is turned into hot moulding process, described laser hologram seems to pass through by being molded gratings strips lamina
Optical interference is shown.
In order to avoid interference fringe is filled and led up in various gluings or coating process, cause the disappearance of laser holographic effect.It is existing
It is outwardly and in plastic sheeting face gluing by holographic imaging layer in the universal product design of holographic film.Accordingly, there exist overlay film by
The problem of thermal discoloration and heated roll banding.
The content of the invention
This new technical problems to be solved is a kind of new technology for having filled up packaging industry blank, uses specific two kinds
The transparent oxide of different light refractive indexes and its vacuum coating technology technique of particular design technique, in the volume that film is representative
Material surface, make laser holographic effect and Anti-scratching and the film and its pre-coating film of high temperature resistant function.
Originally new technical scheme is:
A kind of laser hologram pre-coating film, including substrate layer 1, laser holographic interferometry striped resin bed 2, SiO2Coating 3, ZnS
Coating 4, priming coat 5, adhesive layer 6.
Preferably, described substrate layer is film or paper or woven cloth;Described laser holographic molding striped resin bed
(2) 1-2 μm of thickness range.
Preferably, described film is BOPP or BOPET or BOPA or CPP or compound transparent membrane, thickness model
Enclose is 8~40 μm.
Described laser holographic interferometry striped resin is:(these three are applicable for paraffin or rosin or butylated three chlorocyanamide
In PET base material) or PE (being applied to bopp base materials).
Preferably, described priming coat (5) is by polyethyleneimine or ethylene-acrylic acid copolymer or macromolecule polyester water
Solution is made.
Preferably, dry weight≤0.1g/m2 of described priming coat, thickness be 0.01-0.07 μm, solid content be 0.7%~
5.5%.
Preferably, described adhesive layer thickness is 5-100 μm.
Preferably, described SiO2Coating (3) and ZnS coating (4) thickness distinguishes≤360 angstroms.
Preferably, the adhesive layer be polyethylene (PE), ethylene-vinyl acetate (EVA) copolymer, ethylene-acrylic acid
Methyl esters (EMA) copolymer, one or more of mixtures in ethylene-acrylic acid (EAA) copolymer.
The preparation method of described laser hologram pre-coating film, step are:
(1) by computer software design holographic interference fringes, the roller with interference burelage is made;
(2) the compound one layer resin bed for being used to produce laser holographic interferometry striped on substrate layer;
(3) using hot press method under the conditions of 90-160 DEG C, the advance compound good thermoplasticity mold pressing resin on base material
On layer, using the interference burelage roller being pre-designed, gratings strips lamina is molded, depth≤1 μm of grating impression, is formed and swashed
Light holographic interference fringes resin bed;
(4) secondary vacuum plated film:Order is ZnS after first SiO2, its gross thickness≤900 angstrom;
(5) painting bottom coating and extrusion adhesive layer.
This new beneficial effect:
Originally it is new to disclose a kind of anti-counterfeit package precoating membrane technology and system with laser hologram image with high temperature resistant function
Make process.Solve in pre-coating film industry manufacturing process, the high temperature colour fading technical problem of laser holographic film, ensure complete
Laser holographic effect and suitable higher temperature overlay film, there is provided it is a kind of using BOPP base materials as representative, possess laser holographic effect, resistance to
High temperature, it is adapted to packaging industry low cost to produce new product in enormous quantities.
1st, on the mold pressing resin face with transparent holographic graphic films, using the transparent oxide of double-deck different refractivity
Evaporation coating technique technique, be this new unique technology mentality of designing, utilize the steaming of the transparent oxide of double-deck different refractivity
Plating and barrier isolation technology technique, substitution coating technique technique can not solve the molding striped of holographic imaging resin surface, squeeze
The problem of striped causes holographic effect seriously to be lost is filled during re-heat melten gel.And pass through the transparent of double-colored different refractivity
The catadioptric design of oxides coating, realize that film is not only transparent but also have good transmission and reflection laser holographic effect.
2nd, solve the laser holographic effect film of the present generally existing of packaging industry, it is existing during pre-coating film is made
Hologram image effect is faded and coating process high temperature roll banding problem, (95 degrees Celsius of prior art processes temperature highest, we
Technology can reach 110-120 degrees Celsius) industry of filling up transparent laser holographic effect and high temperature resistant combination pre-coating film product is empty
In vain, it is this new purpose.
The transparent oxide of this new evaporation has the iris action to heat, therefore avoids similar production in the market
The deficiency of the imaging layer of product outwardly.Be adapted to variety classes and technique the various Compound Machinings of gluing, overlay film (squeeze multiple, dry type is compound,
It is solvent-free it is compound, wet type is compound), solve the problems, such as production with use during roll banding.
This new described adhesive layer can be straight with paper, furniture board, aluminium-plastic panel and steel plate in the case where heating pressurized state
Connect and covered after sticking together.This novel product is in process of manufacture without other additives, pollution-free environmental protection;Due to PUR
Heating fusing effect, multilayer complex films pin hole are few.
Brief description of the drawings:
Fig. 1:A kind of laser hologram pre-coating film cross-sectional view
In figure:1:Substrate layer, 2:Laser holographic interferometry striped resin bed, 3:SiO2 coating, 4:ZnS coating, 5:Primary coat
Layer, 6:Adhesive layer.
Embodiment
Following examples are used to illustrate that this is new, but are not limited to this new scope, and described embodiment is only
It is this new part of the embodiment, rather than whole embodiments.Embodiment based on this in new, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not paid, belong to this novel protected scope.
Embodiment 1:
A kind of BOPET15 base materials laser holographic effect pre-coating film:
A kind of laser hologram pre-coating film, it is characterised in that:Including substrate layer 1, laser holographic interferometry striped resin bed 2,
SiO2 coating 3, ZnS coating 4, priming coat 5, adhesive layer 6;Described substrate layer is BOPET15;
BOPET15/ water-borne base coat 0.02/EVA15) structure has the colour-fast BOPET base materials laser hologram of high temperature resistant
Effect is packed uses pre-coating film product with decoration, and specific implementation comprises the following steps:
Step 1, complete common laser embossed holographic processing film:
By 17 microns of thickness, breadth 1440mm it is transparent, in the inboard paraffined biaxial stretching polyester (BOPET) of base material
Wound membrane, on laser holography swaging hammer unreeling shaft, holography will be formed on the heat sealing resin layer of BOPET nexines through being molded version
Striped;One layer of laser holographic interferometry striped resin bed is formed in film surface;Cut holographic for breadth 1420mm common laser
Effect film;1 micron of laser holographic interferometry striped resin layer thickness;15 μm of BOPET thickness;
Step 2, complete to process the secondary transparent vacuum plated film of common laser holographic effect film:
By the transparent BOPET laser holograms wound membranes of breadth 1420mm, vacuum is placed on vacuum coating equipment unreeling shaft and carried out
Process is deposited, carries out SiO2 plated films first, thickness sets 330 angstroms;ZnS plated films, thickness setting 350 are carried out after room temperature is down to
Angstrom;Cut into breadth 1400mm high temperature resistant, scratch-resistant, colour-fast, BOPET base material laser hologram functional form films;
Step 3, make the colour-fast BOPET base materials laser hologram functional form pre-coating film of high temperature resistant:
Primary coat:By transparent BOPET film mounted in squeezing on the unreeling shaft answered a pager's call, primary coat is coated with the nexine of BOPET film
Layer;Water-borne base coat used by this example, it is made up of aq. polyethyleneimine through drying;General coating dry weight is 0.02g/
M2, solid content 0.7%%;Priming coat dry weight is 0.07g/m2, thickness≤0.02 micron.
Extrude compound:With extrusion compounding machine curtain coating EVA hot-melt adhesive resin, 15 μm of thickness:By melt index MI=15g/
10min (190 DEG C, 2.16kg), the EVA hot-melt adhesive pellet of 85 DEG C of fusing point puts into extruder after drying process, in 215-230
DEG C melting temperature under extrude and be cast on priming coat, the effect through chill roll, compression roller, one is compounded in BOPET film
Rise and form glue-line, its peeling force is more than 0.6N/15mm;After cutting deburring, the gross thickness of its pre-coating film is 32 μm, breadth
1380mm。
Embodiment 2
A kind of BOPP base materials laser hologram imitates functional form pre-coating film:
A kind of laser hologram pre-coating film, it is characterised in that:Including substrate layer 1, laser holographic interferometry striped resin bed 2,
SiO2Coating 3, ZnS coating 4, priming coat 5, adhesive layer 6;Described substrate layer is BOPP transparent bases.
Mode is the same similarly to Example 1, by two kinds of different refractivities of moulding laser holographic image and vacuum evaporation
Transparent oxide process, make laser holographic effect film;Then by precoating process, the colour-fast BOPP base materials of high temperature resistant are turned into
The functional form pre-coating film product of laser holographic effect;Specific implementation comprises the following steps:
Step 1, complete common laser embossed holographic processing film:
Mode is the same similarly to Example 1, using breadth 1440mm, the BOPP transparent bases of 18 μm of thickness, by molding
Laser hologram image, laser holographic effect film is made, cuts the common laser holographic effect film for breadth 1420mm, laser
Holographic interference fringes resin bed selects butylated three chlorocyanamide;
Step 2, complete to process the secondary transparent vacuum plated film of common laser holographic effect film:
By the transparent BOPP of breadth 1420mm18Laser hologram wound membrane, it is placed on vacuum coating equipment unreeling shaft and carries out vacuum
Process is deposited, carries out SiO first2Plated film, thickness set 350 angstroms;Z is carried out after room temperature is down tonS plated films, thickness set 350 angstroms;
Cutting turns into breadth 1400mm high temperature resistant, scratch-resistant, non-fading functional form laser hologram functional form film;
Step 3, make the colour-fast BOPP base materials laser hologram functional form pre-coating film of high temperature resistant:
By the colour-fast BOPP of breadth 1400mm transparent high temperature resistants18The function film of base material laser holographic effect, it is multiple mounted in squeezing
On the unreeling shaft of machine, in BOPP18Painting bottom coating and laser hologram functional form is processed on the nexine of hologram functional film
Pre-coating film;
Water-borne base coat used by this example, it is made up of aq. polyethyleneimine through drying;Typically being coated with dry weight is
0.05g/m2, solid content 2.6%;Priming coat dry weight is 0.07g/m2, thickness≤0.02 micron;
With extrusion compounding machine curtain coating EVA hot-melt adhesive resin, 5 μm of thickness:By melt index MI=15g/10min (190 DEG C,
2.16kg), the EVA hot-melt adhesive pellet of 85 DEG C of fusing point puts into extruder after drying process, in 215-230 DEG C of melting temperature
Extrude and be cast under degree on priming coat, the effect through chill roll, compression roller, with BOPP18The function film of holographic effect is compound
Glue-line is formed together, and its peeling force is more than 0.7N/15mm;After cutting deburring, the gross thickness of its pre-coating film is 23 μm, finished product
Breadth is 1380mm.
Embodiment 3:
A kind of laser hologram pre-coating film, including substrate layer 1, laser holographic interferometry striped resin bed 2, SiO2Coating 3, ZnS
Coating 4, priming coat 5, adhesive layer 6;Described substrate layer is BOPA films, and thickness range is 40 μm;Described laser hologram mould
1-2 μm of 2 thickness range of press strip line resin bed, laser holographic interferometry striped resin bed selects rosin;Described SiO2Coating 3 and ZnS
The thickness of coating 4 is respectively 360,350 angstroms;Described priming coat 5 is made up of polyethyleneimine;The dry weight of described priming coat≤
0.1g/m2, thickness are 0.05 μm, solid content 5.5%;Described adhesive layer thickness is 50 μm;Described adhesive layer 6 is
EVA。
Embodiment 4:
A kind of laser hologram pre-coating film, including substrate layer 1, laser holographic interferometry striped resin bed 2, SiO2Coating 3, ZnS
Coating 4, priming coat 5, adhesive layer 6;Described substrate layer is BOPET film, and thickness range is 20~40 μm;Described laser
1-2 μm of 2 thickness range of contour forging striped resin bed;Described SiO2Coating 3 and ZnThe thickness of S coating 4 distinguishes≤360 angstroms;It is described
Priming coat (5) be made up of ethylene-acrylic acid copolymer;Dry weight≤0.1g/m2 of described priming coat, thickness be 0.01-
0.07 μm, solid content is 1.2% -5.0%;Described adhesive layer thickness is 20 μm;Described adhesive layer (6) is EVA;It is described
Adhesive layer is polyethylene (PE).
Embodiment 5:
A kind of laser hologram pre-coating film, including substrate layer 1, laser holographic interferometry striped resin bed 2, SiO2Coating 3, ZnS
Coating 4, priming coat 5, adhesive layer 6;Described substrate layer is BOPA films, and thickness range is 8~40 μm;Described laser is complete
1-2 μm of 2 thickness range of breath molding striped resin bed;Described SiO2Coating 3 and ZnThe thickness of S coating 4 distinguishes≤360 angstroms;It is described
Priming coat 5 be made up of polyethyleneimine;Dry weight≤0.1g/m2 of described priming coat, thickness is 0.02-0.05 μm, admittedly contain
Measure as 0.7% -5.5%;Described adhesive layer thickness is that 15 μm of adhesive layers are ethylene-acrylic acid EAA copolymers.
Preparation method is:
1) by computer software design holographic interference fringes, and the resin bed of laser holographic interferometry striped is produced;
2) using hot press method under the conditions of 90-160 DEG C, the advance compound good thermoplasticity mold pressing resin layer on base material
On, using the interference burelage roller being pre-designed, molding turns into grating fringe layer, depth≤1 μm of grating impression;
3) secondary vacuum plated film:Order is first SiO2 and rear ZnS, its gross thickness≤900 angstrom;
4) painting bottom coating and extruding and hot melting glue.
Embodiment 6;
A kind of laser hologram pre-coating film, including substrate layer 1, laser holographic interferometry striped resin bed 2, SiO2Coating 3, ZnS
Coating 4, priming coat 5, adhesive layer 6;Described substrate layer is CPP films, and thickness range is 8~40 μm;Described laser hologram
It is molded 1-2 μm of 2 thickness range of striped resin bed;Described SiO2Coating 3 and ZnThe thickness of S coating 4 distinguishes≤360 angstroms;Described
Priming coat (5) is made up of ethylene-acrylic acid copolymer;Dry weight≤0.1g/m2 of described priming coat, thickness are 0.02-0.05
μm, solid content is 2.7% -5.5%;Described adhesive layer thickness is 50 μm;The adhesive layer is ethylene-methyl acrylate
(EMA) copolymer.
The preparation method of corresponding claims 10 is as follows:
(1) on the thermoplastic resin coating on 18 microns of width 1440mm, thickness BOPP base materials, by moulding press
Nickel alloy version, carry out moulding laser holographic interference fringe.Moulding press used is stickup nickel version on steel rider, uses 3M two-sided tapes
Paste, base material is compressed using the rubber roll of hardness 85, makes laser holographic film base material;Then trimming is cut, turns into width
142omm laser hologram wound membrane.
(2) vacuum evaporation SiO is carried out2Coating (3) and ZnS coating (4):
By the transparent BOPP of breadth 1420mm18Laser hologram wound membrane, it is placed on vacuum coating equipment unreeling shaft and carries out vacuum
Process is deposited, carries out SiO first2Plated film, thickness set 350 angstroms;Carry out Z again after room temperature is down tonS plated films, thickness setting
350 angstroms;Cutting turns into breadth 1400mm high temperature resistant, scratch-resistant, non-fading functional form laser hologram functional form film;
(3) pass through extrusion composite technology, the pre-coating film with laser holographic effect is made;
Use extrusion compounding machine curtain coating EVA hot-melt adhesive resin, 15 μm of thickness:By melt index MI=15g/10min (190
DEG C, 2.16kg), the EVA hot-melt adhesive pellet of 85 DEG C of fusing point puts into extruder after drying process, in 215-230 DEG C of melting
At a temperature of extrude and be cast on priming coat, the effect through chill roll, compression roller, with BOPP18The function film of holographic effect is answered
It is combined to form glue-line, its peeling force is more than 0.7N/15mm;After cutting deburring, the gross thickness of its pre-coating film is 33 μm, into
Product breadth is 1380mm.
Claims (7)
- A kind of 1. laser hologram pre-coating film, it is characterised in that:Including substrate layer (1), laser holographic interferometry striped resin bed (2), SiO2Coating (3), ZnS coating (4), priming coat (5), adhesive layer (6), above layers are arranged in order.
- 2. laser hologram pre-coating film according to claim 1, it is characterised in that:Described substrate layer be film or paper or Woven cloth;1-2 μm described of laser holographic molding striped resin bed (2) thickness range.
- 3. laser hologram pre-coating film according to claim 2, it is characterised in that:Described film be BOPP or BOPET, Or BOPA or CPP or compound transparent membrane, thickness range are 8~40 μm.
- 4. laser hologram pre-coating film according to claim 1, it is characterised in that:Described laser holographic molding striped resin Layer be:Paraffin or rosin or butylated three chlorocyanamide or PE.
- 5. laser hologram pre-coating film according to claim 1, it is characterised in that:Described adhesive layer thickness is 5-100 μ m。
- 6. laser hologram pre-coating film according to claim 1, it is characterised in that:Described SiO2Coating (3) and ZnS coating (4) thickness distinguishes≤360 angstroms.
- 7. laser hologram pre-coating film according to claim 1, it is characterised in that:The adhesive layer is polyethylene (PE), second Alkene-vinylacetate (EVA) copolymer, ethylene-methyl acrylate (EMA) copolymer, in ethylene-acrylic acid (EAA) copolymer One kind.
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TR01 | Transfer of patent right |
Effective date of registration: 20200228 Address after: 215600 west side of Taiwan Road, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province, south side of Hexin chemical Patentee after: ZHANGJIAGANG FREE TRADE ZONE KANGDE FILM INDUSTRY CO., LTD. Address before: 102299, Changping District science and Technology Park, Zhenxing Road, 26, 1, 2, Beijing Patentee before: BEIJING KANGDEXIN FUNCTION MATERIAL CO., LTD. |
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