CN103287147A - Manufacturing method of color-changing electric aluminum hot stamping foil - Google Patents
Manufacturing method of color-changing electric aluminum hot stamping foil Download PDFInfo
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- CN103287147A CN103287147A CN2013102624081A CN201310262408A CN103287147A CN 103287147 A CN103287147 A CN 103287147A CN 2013102624081 A CN2013102624081 A CN 2013102624081A CN 201310262408 A CN201310262408 A CN 201310262408A CN 103287147 A CN103287147 A CN 103287147A
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Abstract
The invention relates to a manufacturing method of a color-changing electric aluminum hot stamping foil. The method comprises the following steps of: dissolving a high-brightness and transparent synthesized solid wax by a solvent, then evenly coating the solution on a polyester film by an anilox roller, and baking and drying by a five-section type oven; preparing adhesive coating by using a connecting material containing a photosensitive material, evenly printing and coating the adhesive coating onto the surface of a release layer, and baking and drying by the five-section type oven to improve the brightness and the fullness of a product and enable the product to reflect the color which is different from that at the normal temperature along with the temperature change, or enable the color to be inversely changed under ultraviolet light or sunlight; forming an aluminum film layer; blending hard and soft resin additives and powder fillers, and performing hot stamping on the product on the surface of a vacuum aluminum plating layer; finally, slitting and rewinding. The color-changing electric aluminum hot stamping foil not only has the original characteristics of high gloss and high brightness, and the color of the hot stamping foil can be changed when the outside temperature changes, so that the product grade is improved, and the product has the anti-counterfeiting function due to a series of color change.
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 of changeable colour.
Background technology
After at present traditional gold stamping paper tinsel was gold stamping, its color immobilized, and still kept the gold of being scalded; 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, stamping systems of seeking a kind of changeable colour and preparation method thereof becomes pursuing one's goal of these those skilled in the art.
Summary of the invention
Task of the present invention provides a kind of changeable colour alumite thermoprinting foil preparation method, it has solved above-mentioned existing in prior technology problem, after carrying out thermoprint, stamping systems can be with ambient temperature different or through solar radiation for example ultraviolet light change color can take place, from coloured to colourless or from colourless to coloured, and has antiforge function.
Technical solution of the present invention is as follows:
A kind of changeable colour 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 dyed 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 brightness and the plumpness of product, and vary with temperature reflect with normal temperature under color inequality, or under ultraviolet light and sunlight the color possibility of reversal;
(3) at the dyed 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.
Viscosity size according to coating in the described step (2) is added diluent, and this diluent is quick-dry type solvent and slow curing type solvent, needs mix and match to use.
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, and changeable colour electrochemical aluminum foil of the present invention is to substitute common pigments with temperature-sensitive powder (making temperature-sensitive powder and temperature become powder) or photoactive substance; This reversible heat discoloration pigment is prepared by the electron transfer type organic compound, itself is a kind of organic color development system with special chemical structure, under specific temperature, because electronics shifts this organic molecule structure is changed, thereby realize color transition; This electrochromic substance is not only bright-colored, and can realize the change color of " from coloured to colourless " and " from colourless to coloured ", and this is that common alumite thermoprinting foil is not available.
By changeable colour electrochemical aluminium thermoprinting foil making method of the present invention, improved traditional gold stamping manufacturing technology, gilding technology and electron transfer type organic compound are combined into one, form the novel gold stamping product of changeable colour.The gold stamping product of changeable colour of the present invention can be widely used in the packing box of all kinds of cosmetics, commodity, cigarette, wine and food etc.
Changeable colour alumite thermoprinting foil of the present invention not only has the characteristics of original high glaze high brightness, when ambient temperature changes change color can take place simultaneously, utilizes the difference control change in color of temperature; Perhaps under sunlight (ultraviolet light) irradiation, produce change color; Change the class that had both improved product by series of color, also make product have certain antiforge function.
The specific embodiment
Elaborate below in conjunction with the present invention of embodiment.
A kind of changeable colour 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 dyed 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 brightness and the plumpness of product, and vary with temperature reflect with normal temperature under color inequality, or under ultraviolet light and sunlight the color possibility of reversal.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.Viscosity size according to coating in this step is added diluent, and this diluent is quick-dry type solvent and slow curing type solvent, needs mix and match to use.
(3) at the dyed 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 changeable colour 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---dyed layer (temperature becomes layer or photosensitive layer), effect: the brightness and the plumpness that increase product, and according to variations in temperature can reflect with normal temperature under color inequality, or under ultraviolet light and sunlight the color possibility of reversal, 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.
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, both can thermoprint at material surface, can wipe off from material surface is complete again when needing.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 ℃.
By changeable colour alumite thermoprinting foil preparation method of the present invention, 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.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 the dyed 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, dyed layer make and the stamping systems design process in 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.
In sum, changeable colour alumite thermoprinting foil of the present invention not only has the characteristics of original high glaze high brightness, when ambient temperature changes change color can take place simultaneously, utilizes the difference control change in color of temperature; Perhaps under sunlight (ultraviolet light) irradiation, produce change color; Change the class that had both improved product by series of color, 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 (6)
1. a changeable colour 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 dyed 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 brightness and the plumpness of product, and vary with temperature reflect with normal temperature under color inequality, or under ultraviolet light and sunlight the color possibility of reversal;
(3) at the dyed 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. changeable colour 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. changeable colour 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. changeable colour alumite thermoprinting foil preparation method according to claim 1 is characterized in that, the viscosity size according to coating in the described step (2) is added diluent, and this diluent is quick-dry type solvent and slow curing type solvent, needs mix and match to use.
5. changeable colour 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).
6. changeable colour 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909755A (en) * | 2014-04-09 | 2014-07-09 | 库尔兹压烫科技（合肥）有限公司 | Heat-transfer-printing foil with metal pigment layer |
| CN104050870A (en) * | 2014-06-18 | 2014-09-17 | 上海申永烫金材料有限公司 | Method for manufacturing temperature-controlled label |
| CN105172407A (en) * | 2014-06-20 | 2015-12-23 | 浙江恒丰包装有限公司 | Plastic hot stamping foil and production method thereof |
| CN105415908A (en) * | 2014-09-03 | 2016-03-23 | 昆山市生力包装材料有限公司 | Production method for environment-friendly alumite hot stamping foil |
| CN105500853A (en) * | 2014-09-22 | 2016-04-20 | 昆山市生力包装材料有限公司 | Double-sided color electric aluminum hot stamping foil and production method thereof |
| CN105500947A (en) * | 2015-12-23 | 2016-04-20 | 昆山市生力包装材料有限公司 | Optical variability color hot stamping foil and production method thereof |
| CN109666416A (en) * | 2018-12-26 | 2019-04-23 | 东阳市合兴金银丝材料有限公司 | A kind of heat discoloration metallized film |
| CN109760438A (en) * | 2018-12-25 | 2019-05-17 | 昆山市生力包装材料有限公司 | A kind of temperature becomes color alumite thermoprinting foil and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103909755A (en) * | 2014-04-09 | 2014-07-09 | 库尔兹压烫科技（合肥）有限公司 | Heat-transfer-printing foil with metal pigment layer |
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| CN105500853A (en) * | 2014-09-22 | 2016-04-20 | 昆山市生力包装材料有限公司 | Double-sided color electric aluminum hot stamping foil and production method thereof |
| CN105500947A (en) * | 2015-12-23 | 2016-04-20 | 昆山市生力包装材料有限公司 | Optical variability color hot stamping foil and production method thereof |
| CN109760438A (en) * | 2018-12-25 | 2019-05-17 | 昆山市生力包装材料有限公司 | A kind of temperature becomes color alumite thermoprinting foil and its production method |
| CN109666416A (en) * | 2018-12-26 | 2019-04-23 | 东阳市合兴金银丝材料有限公司 | A kind of heat discoloration metallized film |
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Application publication date: 20130911 |