CN105172408B - A kind of holographic thermoprinted film production method - Google Patents
A kind of holographic thermoprinted film production method Download PDFInfo
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- CN105172408B CN105172408B CN201510665938.XA CN201510665938A CN105172408B CN 105172408 B CN105172408 B CN 105172408B CN 201510665938 A CN201510665938 A CN 201510665938A CN 105172408 B CN105172408 B CN 105172408B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 59
- 229920002799 BoPET Polymers 0.000 claims abstract description 56
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 238000005323 electroforming Methods 0.000 claims abstract description 31
- 238000001259 photo etching Methods 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims abstract description 20
- 229910052709 silver Inorganic materials 0.000 claims abstract description 20
- 239000004332 silver Substances 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000004411 aluminium Substances 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 230000001235 sensitizing effect Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 238000011282 treatment Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 229910052582 BN Inorganic materials 0.000 claims description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- DITXJPASYXFQAS-UHFFFAOYSA-N nickel;sulfamic acid Chemical compound [Ni].NS(O)(=O)=O DITXJPASYXFQAS-UHFFFAOYSA-N 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 229940011399 escin Drugs 0.000 claims description 3
- 229930186222 escin Natural products 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 9
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000003892 spreading Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
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Abstract
The present invention provides a kind of holographic thermoprinted film production method, the spray silver of the photoetching hectograph being carved with hologram pattern, electroforming operation are formed false proof working version, PET film is coated with mould release form release layer, on release layer, be coated with the resin solution formation chromatograph mixed with toner, hologram pattern on false proof working version is molded on the chromatograph of PET film, metallic aluminium is plated at chromatograph, and form adhesive-layer at aluminium coated glue coating, finally PET film is cut packaging.The blocking film not only pattern that the present invention produces is exquisite, and false proof degree is high, not easily forges, used blocking film cannot be reused.Photoetching hectograph thickness after spray silver is uniform, intensity is high, increases substantially the yield rate of photoetching hectograph, and then improves the quality of false proof working version and blocking film, can also cut down the consumption of raw materials simultaneously, shortens the production cycle making false proof working version.The false proof working version that electroforming becomes has good intensity, hardness and spreading resistance, and working life improves nearly one times.
Description
Technical field
The invention belongs to package anti-counterfeiting technical field, relate to a kind of holographic thermoprinted film production method.
Background technology
Along with the high development of modern science and technology, counterfeit and shoddy goods are also constantly changed to a new form, and penetrate into every field, and all the time not in the legitimate interests of trespasser's Producer, the right of infringement consumer, therefore, false proof fighting becomes society's question of common concern.Along with the development of the raising of national economy and press-packaging industry, the requirement that product is packed is not only top grade, fineness, environmental protection, rich personalization by people, also is intended to can be distinguished the true and false of product by the packaging of product simultaneously.Therefore, there is anti-fraud functional rainbow holography mold pressing anti-counterfeiting mark be increasingly widely applied in the post-press finishing of packaging product, and it is subject to the favor of consumers in general due to the outward appearance of its luxurious fineness, is all widely used in the high-grade packaging such as cigarette-brand, medicine, cosmetics, wine.But tradition its unalterable outward appearance of rainbow mould pressing holographic anti-counterfeiting logo and single counterfeit protection measures, owing to imitating mutually between each producer and illegally forging and make its anti-counterfeiting power significantly weaken.
Summary of the invention
For solving prior art Problems existing, the present invention provides a kind of holographic thermoprinted film production method, and the blocking film not only pattern fineness of the method production, good brightness, image are clear, and false proof degree is high, not easily forges, used blocking film cannot be reused.
Holographic thermoprinted film production method provided by the invention, comprises the following steps:
(1) utilize litho machine to be engraved on photoetching hectograph by the hologram pattern designed, then photoetching hectograph is sprayed silver operation, then photoetching hectograph electroforming is formed single piece of nickel version；Utilizing plate joggling apparatus that single piece of nickel version is combined into satisfactory big version, big version electroforming is formed false proof working version, the thickness of this false proof working version is 0.4-0.5mm, and the thickness deviation of false proof working version is less than 13um；
(2) PET film is coated processing:
1) PET film is wrapped on coating machine, i.e. PET film volume is arranged on the unreeling shaft of coating machine, and makes the end that PET film is rolled up be arranged on wind-up roll after traverse between roller platen and net roller；Utilize ethanol and water dilution mould release, and the mould release diluted is poured in the coating pan of coating machine and stir, later on coating machine is coated with mould release in PET film, it is coated with PET film traverse from baking oven in wrapup procedure of mould release, makes mould release solidify to form release layer in PET film；Wherein net roller adopts 250 orders, and oven for drying temperature range is 90-130 DEG C, and the rotating speed of wind-up roll is 85m/min, and mould release wet coating amount is 4.5-5.0g/m2, mould release solid content is 0.8%, and coating thickness is about 5um；
2) coating machine is utilized to be coated with chromatograph on the release layer of PET film scribbling mould release, coating method is identical with coating mould release, wherein, pouring the resin solution mixed with toner in coating pan into, net roller adopts 220 orders, and oven for drying temperature range is 85-160 DEG C, the rotating speed of wind-up roll is 83m/min, resin solution viscosity is 15-17S, and resin solution solid content is 22%, and wet coating amount is 5.0-5.5g/m2, after drying, the dry measure of the resin on release layer is 1.0-1.2g/m2；
(3) hologram pattern on false proof working version is molded in PET film: false proof working version is attached in the roller of high speed moulding press, roller is heated to 180-200 DEG C, with 40kg/cm2False proof working version in roller is pressed in PET film by the pressure of left and right so that the hologram pattern on false proof working version is imprinted on the chromatograph of PET film, forms Information Level, and wherein the hardness of roller is HS97-HS99；
(4) PET film after mold pressing being sent in vacuum aluminum-plating machine, aluminize on an information layer under vacuum conditions, form uniform aluminium coated, aluminum layer thickness isAluminum-spraying machine rotating speed is 400-500m/min；
(5) coating machine glue coating on the aluminium coated of PET film is utilized, form adhesive-layer, coating method is identical with coating mould release, wherein, pouring glue in coating pan into, net roller adopts 140-170 order, oven for drying temperature range is 80-125 DEG C, glue viscosity is 16-18S, and wind-up roll rotating speed is 90m/min, and glue wet coating amount is 8.0-9.0g/m2, solid content is 22%；
(6) according to specification requirement, PET film cut, pack.
Preferably, described spray silver operation specifically, first by 0.5% Escin solution be cleaned the surface of photoetching hectograph processing after rinse with water, wipe oil and impurity；Re-using sensitizing solution and carry out sensitized treatment, the proportioning of described sensitizing solution is: takes 45g glucose and is dissolved in 100g water, takes 5.6gSnCl2、2gSnCl4It is dissolved in the hydrochloric acid of 3ml36%, then adds 50ml water after two mixed solution mixing, during sensitized treatment, single mouth spray gun is utilized to be sprayed from the center of photoetching hectograph toward surrounding by sensitizing solution, use deionized water rinsing after spraying 3-5min continuously, then clean with 5% hydrochloric acid, clean with deionized water more afterwards；Finally carrying out spraying silver operation, spray silver solution ratio used is: 5g glucose, 3.5ml formaldehyde is dissolved in 100ml water, takes 0.5gNaOH and be dissolved in 25ml water, heats after 60 DEG C and add 0.5gPb (CH3COO)2, then two mixed solutions are mixed to form a solution；Take 2gAnNO3、3.5gNH4OH is dissolved in 25ml water, adds the NaOH solution of 5ml4% afterwards, is eventually adding the Cu (NO of 0.5ml0.2%3)2Solution, forms No. two solution, adopting rush-harvesting and rush-planting nozzle a solution, No. two solution to be sprayed to surrounding from the center of photoetching hectograph simultaneously, until occurring the hologram pattern of complete display on photoetching hectograph, then with deionized water, photoetching hectograph being carried out.Thickness is uniform, intensity is high for use the present invention to spray photoetching hectograph (after spray silver) that silver obtains, the yield rate of photoetching hectograph (after spray silver) can be increased substantially, and then improve the quality of false proof working version and blocking film, can also cut down the consumption of raw materials simultaneously, shorten the production cycle making false proof working version, reduce production cost, it is thus achieved that good economic benefit.
Preferably, the electroforming solution component that in described step (1), electroforming uses is: nickel sulfamic acid 400g/L, boric acid 30g/L, anodic dissolution agent 6.0g/L, negative electrode leveling agent 0.5g/L, high-sulfur nickel brightener 0.8g/L, surface are except hole agent 0.1g/L；After electroforming solution preparation, use electric stirring filter to be sufficiently stirred for filtration at least 72 hours, then, do negative electrode when no-load current with CI and continuously perform electrolytic treatments 7-15 days；Electroforming temperature 50 C, pH value 4.0, voltage 2～12V, cathode-current density 6.0A/dm2, no-load current density 0.5A/dm2, cathode efficiency 96%.The nickel layer thickness that electroforming is formed is 50-100um.The present invention is with nickel sulfamic acid for main component the electroforming solution component being equipped with specialist additive, and it is aided with specific electroforming parameter, electroforming solution chemical stability is good, there is the dispersibility higher than conventional Kraft electroforming solution, simultaneously, deposition rate of metal is fast and being evenly distributed along cathode surface, thus the false proof working version cast has good intensity, hardness and spreading resistance, its intensity, hardness, flatness and pliability all can meet the job requirement of high speed moulding press, make the service life as compared of false proof working version originally improve nearly one times.
Preferably, adopting boron nitride evaporation boat in the vacuum aluminum-plating machine in described step (4), boron nitride evaporation boat electric current is 700-800A, voltage 7-8V, and vacuum is (7-9) × 10-2Pa, aluminium wire diameter is 1.5mm, and the wire feed rate of aluminium wire is 0.8-1.2m/min.
The present invention provides the blocking film not only pattern that holographic thermoprinted film production method produces exquisite, and false proof degree is high, not easily forges, used blocking film cannot be reused.Thickness is uniform, intensity is high for use the present invention to spray photoetching hectograph (after spray silver) that silver obtains, the yield rate of photoetching hectograph (after spray silver) can be increased substantially, and then improve the quality of false proof working version and blocking film, can also cut down the consumption of raw materials simultaneously, shorten the production cycle making false proof working version, reduce production cost, it is thus achieved that good economic benefit.The present invention is with nickel sulfamic acid for main component the electroforming solution component being equipped with specialist additive, and it is aided with specific electroforming parameter, electroforming solution chemical stability is good, there is the dispersibility higher than conventional Kraft electroforming solution, simultaneously, deposition rate of metal is fast and being evenly distributed along cathode surface, thus the false proof working version cast has good intensity, hardness and spreading resistance, its intensity, hardness, flatness and pliability all can meet the job requirement of high speed moulding press, make the service life as compared of false proof working version originally improve nearly one times.
Detailed description of the invention
Holographic thermoprinted film production method provided by the invention, comprises the following steps:
(1) utilize litho machine to be engraved on photoetching hectograph by the hologram pattern designed, then photoetching hectograph is sprayed silver operation, then photoetching hectograph electroforming is formed single piece of nickel version；Utilizing plate joggling apparatus that single piece of nickel version is combined into satisfactory big version, big version electroforming is formed false proof working version, the thickness of this false proof working version is 0.4-0.5mm, and the thickness deviation of false proof working version is less than 13um；
Spray silver operation specifically, first by 0.5% Escin solution be cleaned the surface of photoetching hectograph processing after rinse with water, wipe oil and impurity；Re-using sensitizing solution and carry out sensitized treatment, the proportioning of described sensitizing solution is: takes 45g glucose and is dissolved in 100g water, takes 5.6gSnCl2、2gSnCl4It is dissolved in the hydrochloric acid of 3ml36%, then adds 50ml water after two mixed solution mixing, during sensitized treatment, single mouth spray gun is utilized to be sprayed from the center of photoetching hectograph toward surrounding by sensitizing solution, use deionized water rinsing after spraying 3-5min continuously, then clean with 5% hydrochloric acid, clean with deionized water more afterwards；Finally carrying out spraying silver operation, spray silver solution ratio used is: 5g glucose, 3.5ml formaldehyde is dissolved in 100ml water, takes 0.5gNaOH and be dissolved in 25ml water, heats after 60 DEG C and add 0.5gPb (CH3COO)2, then two mixed solutions are mixed to form a solution；Take 2gAnNO3、3.5gNH4OH is dissolved in 25ml water, adds the NaOH solution of 5ml4% afterwards, is eventually adding the Cu (NO of 0.5ml0.2%3)2Solution, forms No. two solution, adopting rush-harvesting and rush-planting nozzle a solution, No. two solution to be sprayed to surrounding from the center of photoetching hectograph simultaneously, until occurring the hologram pattern of complete display on photoetching hectograph, then with deionized water, photoetching hectograph being carried out.
The electroforming solution component that electroforming uses is: nickel sulfamic acid 400g/L, boric acid 30g/L, anodic dissolution agent 6.0g/L, negative electrode leveling agent 0.5g/L, high-sulfur nickel brightener 0.8g/L, surface are except hole agent 0.1g/L；After electroforming solution preparation, use electric stirring filter to be sufficiently stirred for filtration at least 72 hours, then, do negative electrode when no-load current with CI and continuously perform electrolytic treatments 7-15 days；Electroforming temperature 50 C, pH value 4.0, voltage 2～12V, cathode-current density 6.0A/dm2, no-load current density 0.5A/dm2, cathode efficiency 96%.The nickel layer thickness that electroforming is formed is 50-100um.
(2) PET film is coated processing:
1) PET film is wrapped on coating machine, i.e. PET film volume is arranged on the unreeling shaft of coating machine, and makes the end that PET film is rolled up be arranged on wind-up roll after traverse between roller platen and net roller；Utilize ethanol dilution mould release, and the mould release diluted is poured in the coating pan of coating machine and stir, later on coating machine is coated with mould release in PET film, it is coated with PET film traverse from baking oven in wrapup procedure of mould release, makes mould release solidify to form release layer in PET film；Wherein net roller adopts 250 orders, and oven for drying temperature range is 90-130 DEG C, and the rotating speed of wind-up roll is 85m/min, and mould release wet coating amount is 4.5-5.0g/m2, mould release solid content is 0.8%, and coating thickness is about 5um；
2) coating machine is utilized to be coated with chromatograph on the release layer of PET film scribbling mould release,
That is, PET film volume is arranged on the unreeling shaft of coating machine, and makes the end that PET film is rolled up be arranged on wind-up roll after traverse between roller platen and net roller；Resin solution mixed with toner is poured in the coating pan of coating machine and stir, later on coating machine coating resin solution in PET film, the PET film being coated with resin solution is passed in wrapup procedure from baking oven, making resin solution solidify to form chromatograph in PET film, net roller adopts 220 orders, and oven for drying temperature range is 85-160 DEG C, the rotating speed of wind-up roll is 83m/min, resin solution viscosity is 15-17S, and resin solution solid content is 22%, and wet coating amount is 5.0-5.5g/m2, after drying, the dry measure of the resin on release layer is 1.0-1.2g/m2；
(3) hologram pattern on false proof working version is molded in PET film: false proof working version is clipped in the roller of high speed moulding press, roller is heated to 90-100 DEG C, with 40kg/cm2False proof working version in roller is pressed in PET film by the pressure of left and right so that the hologram pattern on false proof working version is imprinted on the chromatograph of PET film, forms Information Level, and wherein the hardness of roller is HS97-HS99；
(4) PET film after mold pressing being sent in vacuum aluminum-plating machine, aluminize on an information layer under vacuum conditions, form uniform aluminium coated, aluminum layer thickness isAluminum-spraying machine rotating speed is 400-500m/min；Adopting boron nitride evaporation boat in vacuum aluminum-plating machine, boron nitride evaporation boat electric current is 700-800A, voltage 7-8V, and vacuum is (7-9) × 10-2Pa, aluminium wire diameter is 1.5mm, and the wire feed rate of aluminium wire is 0.8-1.2m/min.
(5) utilize coating machine glue coating on the aluminium coated of PET film, i.e. be arranged on the unreeling shaft of coating machine by PET film volume, and make the end that PET film is rolled up be arranged on wind-up roll after traverse between roller platen and net roller；Glue is poured in the coating pan of coating machine and stir, later on coating machine glue coating in PET film, it is coated with PET film traverse from baking oven in wrapup procedure of glue, makes glue solidify to form adhesive-layer in PET film；It is coated with before the PET film of adhesive-layer rolls, sticking not sticky paper at adhesive-layer at wind-up roll；Wherein, net roller adopts 140-170 order, and oven for drying temperature range is 80-95 DEG C, and glue viscosity is 16-18S, and wind-up roll rotating speed is 90m/min, and glue wet coating amount is 8.0-9.0g/m2, solid content is 22%；
(6) according to specification requirement, PET film cut, pack.
Claims (5)
1. a holographic thermoprinted film production method, it is characterised in that comprise the following steps:
(1) utilize litho machine to be engraved on photoetching hectograph by the hologram pattern designed, then photoetching hectograph is sprayed silver operation, then photoetching hectograph electroforming is formed single piece of nickel version；Utilizing plate joggling apparatus that single piece of nickel version is combined into satisfactory big version, big version electroforming is formed false proof working version, the thickness of this false proof working version is 0.4-0.5mm, and the thickness deviation of false proof working version is less than 13um；
(2) PET film is coated processing:
1) PET film is wrapped on coating machine, i.e. PET film volume is arranged on the unreeling shaft of coating machine, and makes the end that PET film is rolled up be arranged on wind-up roll after traverse between roller platen and net roller；Utilize ethanol and water dilution mould release, and the mould release diluted is poured in the coating pan of coating machine and stir, later on coating machine is coated with mould release in PET film, it is coated with PET film traverse from baking oven in wrapup procedure of mould release, makes mould release solidify to form release layer in PET film；Wherein net roller adopts 250 orders, and oven for drying temperature range is 90-130 DEG C, and the rotating speed of wind-up roll is 85m/min, and mould release wet coating amount is 4.5-5.0g/m2, mould release solid content is 0.8%, and coating thickness is about 5um；
2) coating machine is utilized to be coated with chromatograph on the release layer of PET film scribbling mould release, coating method is identical with coating mould release, wherein, pouring the resin solution mixed with toner in coating pan into, net roller adopts 220 orders, and oven for drying temperature range is 85-160 DEG C, the rotating speed of wind-up roll is 83m/min, resin solution viscosity is 15-17S, and resin solution solid content is 22%, and wet coating amount is 5.0-5.5g/m2, after drying, the dry measure of the resin on release layer is 1.0-1.2g/m2；
(3) hologram pattern on false proof working version is molded in PET film: false proof working version is attached in the roller of high speed moulding press, roller is heated to 180-200 DEG C, with 40kg/cm2False proof working version in roller is pressed in PET film by the pressure of left and right so that the hologram pattern on false proof working version is imprinted on the chromatograph of PET film, forms Information Level, and wherein the hardness of roller is about HS97-HS99；
(4) PET film after mold pressing being sent in vacuum aluminum-plating machine, aluminize on an information layer under vacuum conditions, form uniform aluminium coated, aluminum layer thickness isAluminum-spraying machine rotating speed is 400-500m/min；
(5) coating machine glue coating on the aluminium coated of PET film is utilized, form adhesive-layer, coating method is identical with coating mould release, wherein, pouring glue in coating pan into, net roller adopts 140-170 order, oven for drying temperature range is 80-125 DEG C, glue viscosity is 16-18S, and wind-up roll rotating speed is 90m/min, and glue wet coating amount is 8.0-9.0g/m2, solid content is 22%；
(6) according to specification requirement, PET film cut, pack.
2. holographic thermoprinted film production method as claimed in claim 1, it is characterised in that: described spray silver operation specifically, first by 0.5% Escin solution be cleaned the surface of photoetching hectograph processing after rinse with water, wipe oil and impurity；Re-using sensitizing solution and carry out sensitized treatment, the proportioning of described sensitizing solution is: takes 45g glucose and is dissolved in 100g water, takes 5.6gSnCl2、2gSnCl4It is dissolved in the hydrochloric acid of 3ml36%, then adds 50ml water after two mixed solution mixing, during sensitized treatment, single mouth spray gun is utilized to be sprayed from the center of photoetching hectograph toward surrounding by sensitizing solution, use deionized water rinsing after spraying 3-5min continuously, then clean with 5% hydrochloric acid, clean with deionized water more afterwards；Finally carrying out spraying silver operation, spray silver solution ratio used is: 5g glucose, 3.5ml formaldehyde is dissolved in 100ml water, takes 0.5gNaOH and be dissolved in 25ml water, heats after 60 DEG C and add 0.5gPb (CH3COO)2, then two mixed solutions are mixed to form a solution；Take 2gAnNO3、3.5gNH4OH is dissolved in 25ml water, adds the NaOH solution of 5ml4% afterwards, is eventually adding the Cu (NO of 0.5ml0.2%3)2Solution, forms No. two solution, adopting rush-harvesting and rush-planting nozzle a solution, No. two solution to be sprayed to surrounding from the center of photoetching hectograph simultaneously, until occurring the hologram pattern of complete display on photoetching hectograph, then with deionized water, photoetching hectograph being carried out.
3. holographic thermoprinted film production method as claimed in claim 1, it is characterised in that: the electroforming solution component that in described step (1), electroforming uses is: nickel sulfamic acid 400g/L, boric acid 30g/L, anodic dissolution agent 6.0g/L, negative electrode leveling agent 0.5g/L, high-sulfur nickel brightener 0.8g/L, surface are except hole agent 0.1g/L；After electroforming solution preparation, use electric stirring filter to be sufficiently stirred for filtration at least 72 hours, then, do negative electrode when no-load current with CI and continuously perform electrolytic treatments 7-15 days；Electroforming temperature 50 C, pH value 4.0, voltage 2～12V, cathode-current density 6.0A/dm2, no-load current density 0.5A/dm2, cathode efficiency 96%.
4. the holographic thermoprinted film production method as described in claim 1 or 3, it is characterised in that: the nickel layer thickness that electroforming is formed is 50-100um.
5. holographic thermoprinted film production method as claimed in claim 1, it is characterized in that: the vacuum aluminum-plating machine in described step (4) adopts boron nitride evaporation boat, boron nitride evaporation boat electric current is 700-800A, voltage 7-8V, and vacuum is (7-9) × 10-2Pa, aluminium wire diameter is 1.5mm, and the wire feed rate of aluminium wire is 0.8-1.2m/min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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