CN103303021A - Production method of luminous alumite hot stamping foil - Google Patents
Production method of luminous alumite hot stamping foil Download PDFInfo
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- CN103303021A CN103303021A CN2013102624043A CN201310262404A CN103303021A CN 103303021 A CN103303021 A CN 103303021A CN 2013102624043 A CN2013102624043 A CN 2013102624043A CN 201310262404 A CN201310262404 A CN 201310262404A CN 103303021 A CN103303021 A CN 103303021A
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Abstract
The invention relates to a production method of a luminous alumite hot stamping foil. The production method comprises the following steps of: dissolving high-brightness and transparent synthetic solid wax by a solvent, evenly coating onto a polyester thin film by an anilox roller, and drying in a baking way by a five-section type oven; preparing a photosensitive material-containing connecting material into adhesive coating material, evenly coating on the surface of a release layer by printing and coating by the anilox roller, drying in a baking way by a five-section type oven so as to increase the brightness of a product, absorbing the energy of the visible light by a coating layer so as to stimulate the color of a substance to be changed, changing the original light color to be colorful under the irradiation of the sunshine or the ultraviolet light, and restoring the light-colored surface after a light source is removed; overlapping a vacuum aluminum-plated layer on a photosensitive layer; preparing soft-hard resin adding accessory ingredient and powder padding, and thermally printing on the surface of the vacuum aluminum-plated layer; and finally, slitting and rewinding. The luminous alumite hot stamping foil produced by the method provided by the invention replaces common dye with photoactive substance, so that after the foil is used, not only can the original color be kept, but also the color can be changed after the foil is irradiated by the light source, and therefore, the foil has an anti-fake function.
Description
Technical field
The present invention relates to the stamping systems technology, be specifically related to a kind of preparation method of alumite thermoprinting foil that can be luminous.
Background technology
At present traditional gold stamping paper tinsel gold stamping after, its color immobilizes, of long duration can natural decolourization; When false proof in addition if desired, then do not have antiforge function, be easy to by the people counterfeit.Therefore existing gold stamping paper tinsel does not possess antiforge function.
In view of this, seek a kind of stamping systems that can be luminous and preparation method thereof and become pursuing one's goal of these those skilled in the art.
Summary of the invention
Task of the present invention provides a kind of luminous alumite thermoprinting foil preparation method, it has solved above-mentioned existing in prior technology problem, after carrying out thermoprint, change color can take place when light source shines, colourless stamping systems can show colors such as red, yellow, green, blue, coloured stamping systems can make original color shinny, and the variable color stamping systems can make a kind of color become another kind of color, and has antiforge function.
Technical solution of the present invention is as follows:
A kind of luminous alumite thermoprinting foil preparation method is basic unit with the plastics polyester film, may further comprise the steps:
(1) at basic unit's release layer that superposes: with high light, transparent synthesis of solid wax with dissolution with solvents after, be coated on the polyester film equably by the anilox roll coating, and dry through the baking of five-part form baking oven, can make all coatings separate to reach the effect of transfer from polyester film like this;
(2) at the release layer photosensitive layer that superposes: the binder that will contain photosensitive material is made adherent coatings, be coated in the release layer surface equably by the anilox printing coating, and it is dry by the baking of five-part form baking oven, to increase the brightness of product, thereby coating can absorb visible light energy excites the variable color of material own, originally light color presents color under the irradiation of sunlight or ultraviolet light, be reduced to light-colored surface after withdrawing light source;
In manufacturing process, consider the compatibility of photosensitive material and binder, the viscosity size of solution, add diluent simultaneously, quick-dry type solvent and the collocation of slow curing type solvent are used;
(3) at the photosensitive layer vacuum aluminium coated layer that superposes: will evaporate boat and be heated to 1400 ℃-1500 ℃, deliver to the cold aluminium steam that changes into of high-purity aluminium wire on the evaporation boat continuously, the aluminium molecule is sprayed on the surface equably, forms aluminum membranous layer, so that product sets off out metallic luster;
(4) at the vacuum aluminium coated layer gum layer that superposes: the soft or hard resin is added auxiliary agent and powder filler is prepared, thermoprint is at vacuum aluminum-coated laminar surface then;
Last cutting and rewinding.
The five-part form temperature of oven is 100 ℃-110 ℃-120 ℃-130 ℃-120 ℃ in proper order in the described step (1), and pressure is 20pa, and the speed of a motor vehicle is 150m/min.
The five-part form temperature of oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃ in proper order in the described step (2), and pressure is 20pa, and the speed of a motor vehicle is 120m/min.
The thickness of vacuum aluminium coated layer is 2-5 μ m in the described step (3).
In the described step (4) with the thermoprint of soft or hard resin at vacuum aluminum-coated laminar surface, blocking point is 100 ℃-110 ℃, the speed of a motor vehicle is 100m/min, anilox roll is 40R or 60R, coating weight is 3.50-4.0g/m
2
The color of traditional common electrochemical aluminium gold-stamped paper tinsel is allocated by common dye and pigment, uses the back color to immobilize.And luminous alumite thermoprinting foil of the present invention is to substitute common pigments with photoactive substance, and adds corresponding binder processing and fabricating and form.The gold stamping back surface of light color originally makes coating surface can absorb visible light energy when the irradiation (sunlight or ultraviolet light) through light source, thereby excites the variable color of material own, can be reduced to original color after withdrawing light source, and change procedure is reversible; And can be as required by colourless or light green, redness, purple or the blueness of being changed to, product is difficult to imitated to have certain antifalse effect, and this is that common alumite thermoprinting foil is not available.
By luminous electrochemical aluminium thermoprinting foil making method of the present invention, improved traditional gold stamping manufacturing technology, gilding technology and luminous electrochemical aluminium and photosensitive material are combined into one, form novel luminous gold stamping product.Luminous alumite thermoprinting foil had both been possessed original color after use, can after the light source irradiation change color take place again, made product have certain antiforge function.Luminous gold stamping product of the present invention can be widely used in the packing box of all kinds of cosmetics, commodity, cigarette, wine and food etc.
Luminous alumite thermoprinting foil of the present invention not only has the characteristics of original high glaze high brightness, when light source shines change color can take place simultaneously, and colourless stamping systems can show colors such as red, yellow, green, blue; Coloured stamping systems can make original color shinny; The variable color stamping systems can make a kind of color become another kind of color.Use luminous alumite thermoprinting foil of the present invention, not only improved the class of product, also make product have certain antiforge function.
The specific embodiment
Elaborate below in conjunction with the present invention of embodiment.
A kind of luminous alumite thermoprinting foil preparation method of the present invention may further comprise the steps:
(1) be basic unit with the plastics polyester film, at basic unit's release layer that superposes, also be peel ply: with high light, transparent synthesis of solid wax with dissolution with solvents after, be coated on the polyester film equably by the anilox roll coating, and dry through the baking of five-part form baking oven, can make all coatings separate to reach the effect of transfer from polyester film like this.Wherein the five-part form temperature of oven is 100 ℃-110 ℃-120 ℃-130 ℃-120 ℃ in proper order, and pressure is 20pa, and the speed of a motor vehicle is 150m/min.
(2) at the release layer photosensitive layer that superposes, also claim photochromic layer: the binder that will contain photosensitive material is made adherent coatings, be coated in the release layer surface equably by the anilox printing coating, and it is dry by the baking of five-part form baking oven, to increase the brightness of product, thereby coating can absorb visible light energy excites the variable color of material own, and light color originally presents color under the irradiation of sunlight or ultraviolet light, is reduced to light-colored surface after withdrawing light source.Wherein the five-part form temperature of oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃ in proper order, and pressure is 20pa, and the speed of a motor vehicle is 120m/min.In manufacturing process, consider the compatibility of photosensitive material and binder, the viscosity size of solution, add diluent simultaneously, quick-dry type solvent and the collocation of slow curing type solvent are used.
(3) at the photosensitive layer vacuum aluminium coated layer that superposes: will evaporate boat and be heated to 1400 ℃-1500 ℃, deliver to the cold aluminium steam that changes into of high-purity aluminium wire on the evaporation boat continuously, the aluminium molecule is sprayed on the surface equably, forms aluminum membranous layer, so that product sets off out metallic luster.The thickness of vacuum aluminium coated layer is 2-5 μ m.
(4) at the vacuum aluminium coated layer gum layer that superposes: the soft or hard resin is added auxiliary agent and powder filler is prepared, thermoprint is at vacuum aluminum-coated laminar surface then.When the vacuum aluminum-coated laminar surface, blocking point is 100 ℃-110 ℃ with the thermoprint of soft or hard resin, and the speed of a motor vehicle is 100m/min, and anilox roll is 40R or 60R, and coating weight is 3.50-4.0g/m
2
Last cutting and rewinding.
By luminous alumite thermoprinting foil preparation method of the present invention, all technological process is finished by being layering on the plastics polyester film.
Ground floor---release layer, effect: all coatings are separated from polyester film, reach the effect of transfer.Manufacture craft: with high light, transparent synthesis of solid wax with dissolution with solvents after, be coated on the polyester film equably by the anilox roll coating, and dry through the baking of five-part form baking oven.The five-part form temperature of oven is 100 ℃-110 ℃-120 ℃-130 ℃-120 ℃ in proper order, and pressure is 20pa, and the speed of a motor vehicle is 150m/min.
The second layer---photosensitive layer (photochromic layer), effect: increase the brightness of product, excite the variable color of material own thereby coating can absorb visible light energy, light color originally presents color under the irradiation of sunlight or ultraviolet light, is reduced to light-colored surface after withdrawing light source.
Manufacture craft: photoactive substance and corresponding binder are mixed, through manufacturing the coating of modest viscosity, be coated in the release layer surface equably by the anilox printing coating, and dry by the baking of five-part form baking oven.The five-part form temperature of oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃ in proper order, and pressure is 20pa, and the speed of a motor vehicle is 120m/min.In manufacturing process, fully take into account the compatibility of photoactive substance and binder, the viscosity size of solution is selected diluent simultaneously for use, the collocation of quick-drying and slow curing type solvent to use, otherwise can influence levelability and the color effects of coating surface when coating.The solvent height of this class coating, solid content is low, so viscosity is generally lower, and rate of drying is slow, so baking temperature is higher, otherwise can cause the dried viscosity on the contrary of coating.Because painted photosensitive layer transparency is higher, printing back coating surface need cover aluminium coated, and the own gloss of the gloss of aluminium lamination and coating mutually combines and reflects comparatively gay colours.In a word, in painted photosensitive layer manufacturing process, to fully take into account form and aspect, the transparency of coating, volatility and the peel strength of solvent, so just can obtain gratifying effect.
The 3rd layer---vacuum aluminium coated layer, effect: make product set off out metallic luster.Manufacture craft: will evaporate boat and be heated to about 1400 ℃-1500 ℃, and deliver to the cold aluminium steam that changes into of high-purity aluminium wire on the evaporation boat continuously, the aluminium molecule is sprayed on the surface equably, forms the aluminum membranous layer as mirror.Aluminum layer thickness is generally 2-5 μ m.
The 4th layer---gum layer, effect: be coated with the electrochemical aluminium of this adhesive, can thermoprint at different material surfaces, play and shift and the effect of adhesive fastness.Its manufacture craft is:
Prescription design: select the soft or hard resin of property for use, add auxiliary agent and powder filler, add the solvent preparation.Taken into account the diversity of thermoprint, can increase again and scalded adhesive fastness between the thing surface.
Production technology: temperature is 100 ℃-110 ℃; The speed of a motor vehicle is 100m/min; Anilox roll is 40R or 60R; Coating weight is 3.50-4.0g/m
2
Adapt to the thermoprint material: be applicable to various paperboard classes and the surface thermoprints of overlay film class such as smooth smooth hard PVC paperboard, copper coin paperboard, offset printing pattern paperboard, UV gloss oil paperboard.
Blocking point: 100 ℃-110 ℃.
In sum, luminous alumite thermoprinting foil of the present invention is to substitute common pigments with photoactive substance, and adds corresponding binder processing and fabricating and form.The gold stamping back surface of light color originally makes coating surface can absorb visible light energy when the irradiation (sunlight or ultraviolet light) through light source, thereby excites the variable color of material own, can be reduced to original color after withdrawing light source, and change procedure is reversible; And can be as required by colourless or light green, redness, purple or the blueness of being changed to, product is difficult to imitated to have certain antifalse effect, and this is that common alumite thermoprinting foil is not available.
Luminous alumite thermoprinting foil of the present invention not only has the characteristics of original high glaze high brightness, when light source shines change color can take place simultaneously, and colourless stamping systems can show colors such as red, yellow, green, blue; Coloured stamping systems can make original color shinny; The variable color stamping systems can make a kind of color become another kind of color.Luminous alumite thermoprinting foil had both been possessed original color after use, can after the light source irradiation change color take place again, made product have certain antiforge function.Use luminous alumite thermoprinting foil of the present invention, not only improved the class of product, also make product have certain antiforge function.
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment only is that the present invention is described, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention the variation of above-described embodiment, modification etc.
Claims (5)
1. a luminous alumite thermoprinting foil preparation method is basic unit with the plastics polyester film, it is characterized in that, may further comprise the steps:
(1) at basic unit's release layer that superposes: with high light, transparent synthesis of solid wax with dissolution with solvents after, be coated on the polyester film equably by the anilox roll coating, and dry through the baking of five-part form baking oven, can make all coatings separate to reach the effect of transfer from polyester film like this;
(2) at the release layer photosensitive layer that superposes: the binder that will contain photosensitive material is made adherent coatings, be coated in the release layer surface equably by the anilox printing coating, and it is dry by the baking of five-part form baking oven, to increase the brightness of product, thereby coating can absorb visible light energy excites the variable color of material own, originally light color presents color under the irradiation of sunlight or ultraviolet light, be reduced to light-colored surface after withdrawing light source;
In manufacturing process, consider the compatibility of photosensitive material and binder, the viscosity size of solution, add diluent simultaneously, quick-dry type solvent and the collocation of slow curing type solvent are used;
(3) at the photosensitive layer vacuum aluminium coated layer that superposes: will evaporate boat and be heated to 1400 ℃-1500 ℃, deliver to the cold aluminium steam that changes into of high-purity aluminium wire on the evaporation boat continuously, the aluminium molecule is sprayed on the surface equably, forms aluminum membranous layer, so that product sets off out metallic luster;
(4) at the vacuum aluminium coated layer gum layer that superposes: the soft or hard resin is added auxiliary agent and powder filler is prepared, thermoprint is at vacuum aluminum-coated laminar surface then;
Last cutting and rewinding.
2. luminous alumite thermoprinting foil preparation method according to claim 1 is characterized in that, the five-part form temperature of oven is 100 ℃-110 ℃-120 ℃-130 ℃-120 ℃ in proper order in the described step (1), and pressure is 20pa, and the speed of a motor vehicle is 150m/min.
3. luminous alumite thermoprinting foil preparation method according to claim 1 is characterized in that, the five-part form temperature of oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃ in proper order in the described step (2), and pressure is 20pa, and the speed of a motor vehicle is 120m/min.
4. luminous alumite thermoprinting foil preparation method according to claim 1 is characterized in that, the thickness of vacuum aluminium coated layer is 2-5 μ m in the described step (3).
5. luminous alumite thermoprinting foil preparation method according to claim 1 is characterized in that, in the described step (4) with the thermoprint of soft or hard resin at vacuum aluminum-coated laminar surface, blocking point is 100 ℃-110 ℃, the speed of a motor vehicle is 100m/min, and anilox roll is 40R or 60R, and coating weight is 3.50-4.0g/m
2
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106043950A (en) * | 2016-06-24 | 2016-10-26 | 嘉善恒发包装材料有限公司 | Environment-friendly packing material and production technology thereof |
| CN109652917A (en) * | 2018-12-26 | 2019-04-19 | 东阳市合兴金银丝材料有限公司 | A kind of discoloration is aluminized the processing technology of silk thread |
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Application publication date: 20130918 |