CN102774158A - Large-breadth ultraviolet (UV) gold stamping method and hot stamping film - Google Patents
Large-breadth ultraviolet (UV) gold stamping method and hot stamping film Download PDFInfo
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- CN102774158A CN102774158A CN2012102706072A CN201210270607A CN102774158A CN 102774158 A CN102774158 A CN 102774158A CN 2012102706072 A CN2012102706072 A CN 2012102706072A CN 201210270607 A CN201210270607 A CN 201210270607A CN 102774158 A CN102774158 A CN 102774158A
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- sensitive adhesive
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- 229910052737 gold Inorganic materials 0.000 title abstract description 24
- 239000010931 gold Substances 0.000 title abstract description 24
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 5
- 239000010408 film Substances 0.000 claims description 79
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- 239000011248 coating agent Substances 0.000 claims description 24
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- 238000007639 printing Methods 0.000 claims description 16
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- 229920001684 low density polyethylene Polymers 0.000 claims description 6
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Abstract
The invention relates to a large-breadth ultraviolet (UV) gold stamping method and a hot stamping film. The hot stamping film sequentially comprises the following layers: backing paper, a pressure-sensitive glue layer, a film carrier layer, a release layer, an aluminum coated layer, a secondary curing glue layer and release paper. The large-breadth gold stamping method includes that laser or a cutter is used for cutting, and the hot stamping film is cut through from the release paper to the pressure-sensitive glue layer; the release paper is stripped, a secondary curing glue layer surface is set apart; a carrier film of a non-image area is torn off, and an image portion is retained; the obtained hot stamping film and a base material pass through a laminator machine or a film laminating machine, and the secondary curing glue is adhered to a base material surface; after the release paper is torn off, the UV is used for lighting, the UV achieves secondary curing of the secondary curing glue through the aluminum coated layer, and hot stamping is finished. The hot stamping film and the gold stamping method do not need plate making and is favorable for hot stamping, low in cost, capable of conducting large-breadth hot stamping infinitely and suitable for hot stamping of product surfaces in various shapes.
Description
Technical field
The present invention relates to a kind of blocking film and bronzing method, particularly relate to a kind of UV blocking film and large format UV bronzing method that can infinitely great breadth thermoprint.
Background technology
Along with the raising of national economy, the development of printing packaging industry, people require top grade, fineness, environmental protection, rich personalized to the external packing of product, and in the post-press finishing of packaging product, hot stamping process is liked by people because of its unique surface finish effect always.
Gold stampingly mainly contain three kinds of functions, the one, incrustation, gold stamping picture and text demonstrate strong metallic luster, color glow, will never fade.Especially gold stamping silver; Printed matter surface has been interspersed in splendid with it, exquisite graceful decoration; Strengthened the artistry of printing, played the effect of publicity of projecting motif, and its bright degree has substantially exceeded bronze printing and Yin Yin; Make product have high-grade sensation and give beautiful enjoyment, improved value-added content of product greatly.The 2nd, give product higher anti-counterfeiting performance, adopt holographic locating thermoprint trademark, anti-personation, guarantor's famous brand; The 3rd, the protection printing, because gold stamping layer has good physics, chemical property, printing product plays a very good protection.
Yet present gilding technology also exists limitation: the preparation of printing plate causes thermoprint process time length, many, the high pollution of operation; Can't realize large tracts of land, can't realize one thermoprint, can't realize promptly printing promptly and get; Therefore, gilding technology can't be applied to the incrustation of the common propaganda carriers of advertising sector such as large format placard, personalized wall calendar, post stand.
Modal gilding technology comprises blanching gold and cold wave gold.
Traditional hot is gold stamping: the main material of blanching gold is electrochemical aluminium (also claiming gold and silver paper tinsel or gold stamping film); It is to be the sheet base with the mylar; Coat pure dissolubility dyeing resin layer; Through vacuum-metallize aluminium, coat adhesive layer again and process, promptly form by base membrane layer, pure dissolubility dyeing resin layer (can be divided into separation layer, dye layer again), aluminium lamination and adhesive layer.Base membrane layer is the carrier of other each layer of electrochemical aluminum foil, plays supporting role, and the used material of base membrane layer is the thick mylars of 12～16 μ m; It is easily separated when separation layer can make dye layer and the base membrane layer thermoprint of electrochemical aluminum foil; Dye layer is in order to show the color of electrochemical aluminum foil, and it is made up of with dyestuff melamine air aldehyde resin, organic siliconresin etc.; Aluminium coated can make electrochemical aluminum foil present the gloss as the metal, and aluminium is good light reflecting material, and gaseous aluminum can be equably attached to the dye layer surface under vacuum; Adhesive layer mainly is made up of methacrylate or shellac, in order to making the electrochemical aluminum foil coated adhesive to printable fabric when the thermoprint, and plays the protection aluminium coated.
The technological process of blanching gold comprises: lock up → make-ready → hot pressing → peel off → waste discharge, its technology mainly is the principle of utilizing hot pressing to shift, and electrochemical aluminium contacts with printing plate, stock under the pressure effect closing; Because the intensification of electric hot plate makes printing plate have certain heat; Make the dyeing resin layer and the adhesive fusing of hot melt after electrification aluminium is heated, dyeing resin layer viscous force reduces, and special heat-sensitive adhesive fusing back viscosity increases; Aluminium lamination and basement membrane have been transferred on the stock when peeling off; Along with the removal of pressure, the rapid cooling curing of adhesive, the thermoprint layer is firm.The technical disadvantages of blanching gold: the printing plate mask-making technology is complicated, consuming time, power consumption, high pollution, and traditional blanching flexible operation degree is poor simultaneously.Traditional cold is gold stamping: the employed electrochemical aluminium of cold wave gold is the electrochemical aluminium of a kind of special type; Its back side is gluing not, and adhesive the time directly is coated on the position that base material need decorate in printing, and electrification aluminium contacts with adhesive during transfer; Under the effect of adhesive, electrochemical aluminium also is attached on the printed matter surface.
The cold stamping process flow process comprises: lock up → applying glue → cold pressing → peel off → waste discharge, its technology mainly is to utilize the principle of colding pressing and peeling off.Printing UV printing ink needs gold stamping position to print extraordinary adhesive in ink pellet surface---the UV cure adhesive; Then arrive to a certain degree, form full-bodied, the extremely thin pressure sensitive adhesive of one deck through the moisture removal of UV drying device with adhesive; Then, beginning cold wave gold, under the effect of pair of metal cylinder, making aluminium foil is one with adhesive contact and pressing.Because adhesive is big with the cohesive force between the aluminium foil, so during waste discharge, printed matter surface is stayed at the position that aluminium foil contacts with adhesive, becomes one with printed matter, other part of aluminium foil is then with the golden the same waste discharge of traditional blanching.
The technical disadvantages of cold wave gold: when the printed matter surface application of adhesive, then must prepare forme as adopting offset printing; As adopt and print adhesive and then must adopt special UV flat-panel printer, this flat-panel printer price surpasses 1,000,000, and the UV curing apparatus has ozone discharging, ultraviolet ray big to the human injury, and operational danger is high, and pressing, receiving/releasing volume complicated operation.
Summary of the invention
The technical problem that the present invention will solve provides and a kind ofly need not to make a plate, thermoprint is convenient, cost is low, can infinitely great breadth thermoprint, be suitable for the blocking film and preparation method thereof and UV bronzing method of the product surface thermoprint of different shape.
For reaching above-mentioned purpose, a kind of blocking film of the present invention comprises following each layer successively: base stock, pressure-sensitive adhesive layer, thin-film carrier layer, release layer, aluminium coated, regelate glue-line and release liners.
Blocking film of the present invention, wherein preferred said release liners are mould release membrance (as: the PET film of coating organosilicon mould release etc.), the plain release liners of fluorine or Ge Laxin release liners; Said base stock is a kind of in film (as: polyester film), art paper, the offset paper.
Blocking film of the present invention, wherein preferred said regelate glue-line is selected the regelate coating for use, as: the coating that regelate adhesive, regelate gloss oil or regelate printing ink etc. form, belong to existing known product, market is on sale.
Blocking film of the present invention, wherein preferred said aluminium coated adopts vacuum evaporation or magnetron sputtering technique to process.
The coating that blocking film of the present invention, wherein preferred said release layer select for use film class mould release, solvent based mould release or stearic acid mould release etc. to form;
More preferably said film class mould release is selected from polyethylene, polypropylene, polyvinyl chloride or polyester; Said solvent based mould release is selected from polyvinyl alcohol, silicone oil, silicone grease, liquid or emulsification paraffin wax.
Blocking film of the present invention, wherein preferred said thin-film carrier are selected from a kind of in the high-isolation film, bidirectional stretching polypropylene film (BOPP), low-density polyethylene film (LDPE), polyester film (like the PET film), nylon film (PA), cast polypropylene film (CPP), polyvinyl chloride film (PVC), polyethylene film (PE) of PVA coating;
Blocking film of the present invention, wherein preferred said pressure-sensitive adhesive layer are selected from a kind of in water-borne pressure sensitive adhesive, oiliness pressure sensitive adhesive, UV pressure sensitive adhesive, the thermotropic pressure sensitive gel coating;
A kind of method for preparing above-mentioned blocking film of the present invention may further comprise the steps:
(1) one side with thin-film carrier is coated with mould release, makes the formation release layer;
(2) vacuum aluminum-coated on release layer, form aluminium coated;
(3) another side with thin-film carrier is coated with pressure sensitive adhesive, makes the formation pressure-sensitive adhesive layer;
(4) at the compound base stock of a side of pressure-sensitive adhesive layer;
(5) coating regelate glue on aluminium coated, dry back forms the regelate glue-line;
(6) compound release liners on the regelate glue-line.
Each layer effect is as follows in the blocking film:
Release liners: protection regelate pressure-sensitive adhesive layer;
Regelate glue-line: become the pressure sensitive adhesive adhesion coating behind this glue coating, the heat oven dry one-step solidification, have very strong viscosity, form the coating of high strength, high rigidity behind the UV ultraviolet regelate;
Aluminium coated: the reflecting layer of metallochrome, light look;
Release layer: guarantee aluminium coated and thin-film carrier generation good separation during waste discharge;
Thin-film carrier: to the supporter of (release liners is to release layer) on it;
Pressure-sensitive adhesive layer: temporary transient, the slight bonding that guarantees thin-film carrier and base stock;
Base stock: the supporting layer of cutting back (release liners is to thin-film carrier);
The application of blocking film of the present invention, it can be used for the thermoprint of various material surfaces, and preferred said material is an overlay film class material.
The present invention uses the bronzing method of above-mentioned blocking film may further comprise the steps:
(1) with laser or cutter cutting, blocking film is cut from the release liners to the pressure-sensitive adhesive layer, cutting is to wait by the figure of computer input or literal to cut; Promptly in the process of cutting, computer is retouched the profile of " word to be carved " or " figure to be carved " out earlier earlier, behind the input cutting machine; On gold stamping film, cut out profile; Be the picture and text part in the profile, other all are non-image areas parts, and this is this area conventional method;
(2) release liners is peeled off, reserved regelate glue-line surface;
(3) carrier thin film with non-graphic district part tears off, and keeps the picture and text part;
(4) blocking film and the base material that step (3) are obtained are crossed cold paperhanging machine or laminating machine (existing equipment), the gluing substrate surface of receiving of regelate simultaneously;
(5) tear off base stock, use UV illumination, ultraviolet light sees through aluminium coated regelate glue is realized regelate, accomplishes thermoprint.
The invention difference from existing technology is that bronzing method of the present invention has overcome existing bronzing method thermoprint time length, complex procedures, pollution height, can't realize the defective of large tracts of land thermoprint, had following advantage:
1) need not plate-making, one is played seal, promptly scalds and promptly gets;
2) thermoprint process does not have high temperature, is suitable for the surperficial thermoprint of all material (especially overlay film class);
3) can infinitely great breadth thermoprint, the big more thermoprint process of thermoprint area is efficient more;
4) decorating film does not have special substance or coating, and cost is low;
5) be suitable for the product surface thermoprint of different shape.
Below in conjunction with accompanying drawing blocking film of the present invention and preparation method thereof and large tracts of land bronzing method are described further.
Description of drawings
Fig. 1 is the structural representation of blocking film of the present invention;
Fig. 2 to Fig. 6 is a bronzing method thermoprint process flow sketch map of the present invention.
Description of reference numerals: 1-base stock; The 2-pressure-sensitive adhesive layer; 3-thin-film carrier layer; The 4-release layer; The 5-aluminium coated; 6-regelate glue-line; The 7-release liners.
The specific embodiment
Below be specific embodiment part, but content of the present invention is not limited to the scope of these embodiment.
As shown in Figure 1, blocking film of the present invention comprises following each layer successively: base stock 1, pressure-sensitive adhesive layer 2, thin-film carrier layer 3, release layer 4, aluminium coated 5, regelate glue-line 6 and release liners 7.
The preparation method is that (1) is coated with mould release with the one side of thin-film carrier 3, makes a side of thin-film carrier 3 form release layer 4; Thin-film carrier 3 can be this area material commonly used, like the high-isolation film of PVA coating, bidirectional stretching polypropylene film (BOPP), low-density polyethylene film (LDPE), polyester film, nylon film (PA), cast polypropylene film (CPP), polyvinyl chloride film (PVC), polyethylene film (PE) etc.Mould release can be selected film class mould release, solvent based mould release or stearic acid mould release for use, can select polyethylene, polypropylene, polyvinyl chloride, polyester for use like film class mould release; Said solvent based mould release comprises polyvinyl alcohol, silicone oil, silicone grease, liquid or emulsification paraffin wax etc.(2) on release layer 4, aluminize, form aluminium coated 5; Aluminize and to select this area common process for use, like the technology of vacuum evaporation or magnetron sputtering.(3) another side with thin-film carrier 3 is coated with pressure sensitive adhesive, makes to form pressure-sensitive adhesive layer 2; Pressure sensitive adhesive can use this areas such as water-borne pressure sensitive adhesive, oiliness pressure sensitive adhesive, UV pressure sensitive adhesive, thermotropic pressure sensitive glue to use pressure sensitive adhesive always.(4) at the compound base stock 1 of a side of pressure-sensitive adhesive layer; Base stock 1 can be film (like polyester film PET), art paper or offset paper.(5) coating regelate glue on aluminium coated 5, dry back forms regelate glue-line 6, and material therefor is the regelate coating, as: regelate adhesive, regelate gloss oil, regelate printing ink etc.The characteristic of regelate material is that heat cure for the first time forms pressure viscoelastic attitude, and UV solidify to form solid for the second time, and market is on sale.(6) compound release liners 7 on regelate glue-line 6.Release liners 7 can be mould release membrance (this area mould release membrance commonly used all is suitable for, and modal is the PET mould release membrance), the plain release liners of fluorine or Ge Laxin release liners.Thickness of each layer or coating weight do not have specific (special) requirements in the blocking film, as long as be coated with according to this area conventional amount used.
This blocking film can be used for the surperficial thermoprint of various materials and different shape, the especially thermoprint of overlay film class material surface.Bronzing method is: (1) with the cutting of laser or cutter, and blocking film 2 is cut (as shown in Figure 2) from release liners 7 to pressure-sensitive adhesive layer; (2) release liners is peeled off, reserved regelate glue-line surface (as shown in Figure 3); (3) carrier thin film with non-graphic district part tears off; (as shown in Figure 4, in the process of cutting, computer is retouched the profile of " word to be carved " or " figure to be carved " out earlier earlier to keep the picture and text part; Behind the input cutting machine; On gold stamping film, cut out profile, be the picture and text part in the profile, other all are non-image areas parts); (4) decorating film and the base material that step (3) are obtained are crossed cold paperhanging machine or laminating machine, the gluing substrate surface (as shown in Figure 5) of receiving of regelate simultaneously; (5) tear off base stock, use UV illumination, ultraviolet light sees through aluminium coated regelate glue is realized regelate, accomplishes thermoprint (as shown in Figure 6).
Below so that thermoprint is that example is explained bronzing method of the present invention on art paper surface
1, the preparation of blocking film (structure of blocking film is as shown in Figure 1)
(1) adopt the normal temperature roll coating process, the one side of polyethylene (PE) thin-film carrier 3 is coated with the silicone oil mould release, 100 ℃ of following 5min drying and forming-films make a side of polyethylene film carrier 3 form release layer 4.
(2) adopt vacuum evaporation process on release layer 4, to aluminize, form aluminium coated 5, aluminum layer thickness 300-6000 dust.
(3) adopt the normal temperature roll coating process, with the another side coating oiliness pressure sensitive adhesive of polyethylene film carrier 3,100 ℃ of following 5min drying and forming-films make to form oiliness pressure-sensitive adhesive layer 2, thickness 5-20um.
(4) push compound PET film base stock 1 in a side of pressure-sensitive adhesive layer.
(5) coating regelate gloss oil on aluminium coated 5, dry back forms regelate glue-line 6, and thickness is 5-20um.
(6) compound lattice Racine release liners 7 on regelate glue-line 6.
2, bronzing method
(1) with laser or cutter cutting, blocking film is cut (as shown in Figure 2) from Ge Laxin release liners 7 to oiliness pressure-sensitive adhesive layer 2;
(2) Ge Laxin release liners 7 is peeled off, reserved regelate glue-line surface (as shown in Figure 3);
(3) carrier thin film with non-graphic district part tears off, and reservation picture and text part (as shown in Figure 4, in the process of cutting; Computer is retouched the profile of " word to be carved " or " figure to be carved " out earlier earlier; Behind the input cutting machine, on gold stamping film, cut out profile, be the picture and text part in the profile; Other all are non-image areas parts, and this is this area conventional method);
(4) decorating film and the art paper that step (3) are obtained are crossed laminating machine, the gluing art paper surface (as shown in Figure 5) of receiving of regelate simultaneously;
(5) be cured with ultraviolet ray, tear off PET film base stock 1, use UV illumination, ultraviolet light sees through aluminium coated regelate glue is realized regelate, accomplishes thermoprint (as shown in Figure 6).
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. a blocking film is characterized in that, comprises following each layer successively: base stock, pressure-sensitive adhesive layer, thin-film carrier layer, release layer, aluminium coated, regelate glue-line and release liners.
2. blocking film according to claim 1 is characterized in that: said release liners is a kind of in the plain release liners of mould release membrance, fluorine, the Ge Laxin release liners; Said base stock is a kind of in film, art paper, the offset paper.
3. blocking film according to claim 1 is characterized in that: said regelate glue-line is selected the regelate coating for use, and said regelate coating comprises the coating that regelate adhesive, regelate gloss oil or regelate printing ink form.
4. blocking film according to claim 1 is characterized in that: said aluminium coated adopts vacuum evaporation or magnetron sputtering technique to form.
5. blocking film according to claim 1 is characterized in that: the coating that said release layer selects for use film class mould release, solvent based mould release or stearic acid mould release to form.
6. blocking film according to claim 5 is characterized in that: said film class mould release is selected from polyethylene, polypropylene, polyvinyl chloride, polyester; Said solvent based mould release is selected from polyvinyl alcohol, silicone oil, silicone grease, liquid or emulsification paraffin wax.
7. blocking film according to claim 1 is characterized in that: said thin-film carrier is selected from a kind of in the high-isolation film, bidirectional stretching polypropylene film (BOPP), low-density polyethylene film (LDPE), polyester film, nylon film (PA), cast polypropylene film (CPP), polyvinyl chloride film (PVC), polyethylene film (PE) of PVA coating;
8. blocking film according to claim 1 is characterized in that: said pressure-sensitive adhesive layer is selected from a kind of formed coating in water-borne pressure sensitive adhesive, oiliness pressure sensitive adhesive, UV pressure sensitive adhesive, the thermotropic pressure sensitive glue;
9. a method for preparing each described blocking film of claim 1-8 is characterized in that, may further comprise the steps:
(1) one side with thin-film carrier is coated with mould release, makes the formation release layer;
(2) vacuum aluminum-coated on release layer, form aluminium coated;
(3) another side with thin-film carrier is coated with pressure sensitive adhesive, makes the formation pressure-sensitive adhesive layer;
(4) at the compound base stock of a side of pressure-sensitive adhesive layer;
(5) coating regelate glue on aluminium coated, dry back forms the regelate glue-line;
(6) compound release liners on the regelate glue-line.
10. the bronzing method of each described blocking film of claim 1-8 is characterized in that, may further comprise the steps:
(1) with laser or cutter cutting, blocking film is cut from the release liners to the pressure-sensitive adhesive layer;
(2) release liners is peeled off, reserved regelate glue-line surface;
(3) carrier thin film with non-graphic district part tears off, and keeps the picture and text part;
(4) blocking film that step (3) is obtained is crossed cold paperhanging machine or laminating machine, the gluing substrate surface of receiving of regelate simultaneously with base material;
(5) tear off base stock, use UV illumination, ultraviolet light sees through aluminium coated regelate glue is realized regelate, accomplishes thermoprint.
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| CN201210270607.2A CN102774158B (en) | 2012-07-31 | 2012-07-31 | Large-breadth ultraviolet (UV) hot stamping film and preparation method thereof, and gold stamping method |
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| CN201210270607.2A CN102774158B (en) | 2012-07-31 | 2012-07-31 | Large-breadth ultraviolet (UV) hot stamping film and preparation method thereof, and gold stamping method |
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