CN103538381A - Variable-color anti-counterfeiting composite film production method - Google Patents
Variable-color anti-counterfeiting composite film production method Download PDFInfo
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- CN103538381A CN103538381A CN201310490155.3A CN201310490155A CN103538381A CN 103538381 A CN103538381 A CN 103538381A CN 201310490155 A CN201310490155 A CN 201310490155A CN 103538381 A CN103538381 A CN 103538381A
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Abstract
The invention relates to a variable-color anti-counterfeiting composite film production method. Using a plastic film is as a base layer, the method includes: superposing a color variation layer on the base layer by means of uniformly mixing a connecting material containing a photosensitive material, processing the mixed material into an adhesive coating, uniformly coating the adhesive coating on the surface of the base layer film through coated printing of an anilox roller, drying through baking of a five-stage baking oven so as to improve brightness and plumpness of a product and enabling the color to generate inverse variation under ultraviolet and solar irradiation; superposing a printed layer on the color variation layer by means of printing characters and patterns on the surface of the coating through a gravure printing machine, adjusting an impression cylinder by adjusting a scraper and controlling drying temperature of printing ink; slitting and rewinding. According to the variable-color anti-counterfeiting composite film production method, a traditional composite technology and variable-color electron transfer type organic compounds are integrated to form a novel variable-color anti-counterfeiting composite film which is convenient to use, has an anti-counterfeiting function and is not easy to counterfeit.
Description
Technical field
The present invention relates to wrapping composite membrane, be specifically related to a kind of preparation method of anti-counterfeiting compound film of changeable colour.
Background technology
What apply on the packaging at present is the composite membrane comparatively generally using, and it is functional more single, and antifalsification is not strong, and after using, product is easily by counterfeit.
In view of this, anti-counterfeiting compound film of seeking a kind of changeable colour and preparation method thereof becomes pursuing a goal of these those skilled in the art.
Summary of the invention
Task of the present invention is to provide a kind of changeable colour anti-counterfeiting compound film preparation method, it has solved the existing problem of above-mentioned prior art, adopt sensitization discoloration anti-counterfeiting compound film that this method makes and except thering is the function of common composite membrane and feature, also there is the feature of changeable colour, increased thus antiforge function.
Technical solution of the present invention is as follows:
An anti-counterfeiting compound film preparation method, take plastic sheeting as basic unit, comprises the following steps:
(1) photochromic layer that superposes in basic unit: the binder that contains photosensitive material is mixed, be processed into adherent coatings, by anilox printing, be coated with and be coated in equably base film layer surface, and dry by the baking of five-part form baking oven, to increase brightness and the plumpness of product, and color produces inversion under ultraviolet light and solar radiation;
(2) printed layers that superposes on photochromic layer: stencil machine at coating surface printing word and pattern by intaglio process, wherein should regulate scraper, adjust impression cylinder, and control ink setting temperature;
While regulating scraper, scraper scrapes off the required pressure of forme surface ink and print speed printing speed is directly proportional, and general speed is fast, and pressure is corresponding wants large, and the angle of scraper and forme is 30 °-70 °;
While adjusting impression cylinder, because base material is plastic sheeting, squeegee pressure is controlled at 1pa-5pa;
While regulating ink setting temperature, due to what select, be solvent type ink, baking temperature is controlled between 80 ℃-90 ℃, is the highlyest no more than 100 ℃;
Last cutting and rewinding.
In described step (1), the temperature sequence of five-part form baking oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃, and pressure is 20pa, and the speed of a motor vehicle is 120m/min.
Viscosity size according to coating in described step (1) is added diluent, and this diluent is quick-dry type solvent and slow curing type solvent, needs mix and match to use.
Adopt changeable colour anti-counterfeiting compound film preparation method of the present invention, conventional composite technology and color variable electronic transfevent combination of organic compounds are integral, form novel changeable colour anti-counterfeiting compound film product.Changeable colour anti-counterfeiting compound film product of the present invention can be widely used in the packing box of all kinds of cosmetics, commodity, cigarette, wine and food etc., uses more conveniently, and has antiforge function and is difficult for by counterfeit.
Sensitization discoloration anti-counterfeiting compound film of the present invention also has the feature of changeable colour except having the function of common composite membrane and feature, after having special light-ultra violet lamp, the surface of film can glow word and the pattern of change color, or also can produce this effect at the temperature of appointment, so not only strengthened antiforge function, product is difficult for by counterfeit, and makes the function of anti false film more abundant and attractive in appearance.Can there is change color through special wavelength as irradiations such as ultraviolet lights in this product, realize " from colourless → coloured " variation that can reverse back ground " from coloured → colourless " under specified temp.
By changeable colour anti-counterfeiting compound film preparation method of the present invention, at common composite membrane surface precoating layer, can there is the immersion coating of change color, this coating can be designed to pattern or word on request; This immersion coating is prepared by electron transfer type organic compound, itself is a kind of organic color development system with special chemical structure, under specific illumination or through variations in temperature, cause that electronics transfer changes this organic molecule structure, thereby realize color transition.This discoloration coating is not only bright-colored, and change color that can " from coloured → colourless " and " from colourless → coloured ".
The specific embodiment
Below in conjunction with embodiment, the present invention is elaborated.
By a kind of changeable colour anti-counterfeiting compound film preparation method of the present invention, take plastic sheeting as basic unit, adopt following steps:
(1) photochromic layer that superposes in basic unit, also claim dyed layer: the binder that contains photosensitive material is mixed, be processed into adherent coatings, by anilox printing, be coated with and be coated in equably base film layer surface, and dry by the baking of five-part form baking oven, to increase brightness and the plumpness of product, and color produces inversion under ultraviolet light and solar radiation.Wherein the temperature sequence of five-part form baking oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃, 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 of solution is big or small.The selection of diluent is simultaneously also very important, can add diluent according to the viscosity size of coating, and this diluent is quick-dry type solvent and slow curing type solvent, needs mix and match to use, otherwise when coating, can affect levelability and the color effects of coating surface.The solvent of this class coating is high, and solid content is low, so viscosity is generally lower, and rate of drying is slow, so baking temperature is higher, otherwise can cause the not dry viscosity on the contrary of coating.
(2) printed layers that superposes on photochromic layer: stencil machine at coating surface printing word and pattern by intaglio process, wherein should regulate scraper, adjust impression cylinder, and control ink setting temperature.
While regulating scraper, scraper scrapes off the required pressure of forme surface ink and print speed printing speed is directly proportional, and general speed is fast, and pressure is corresponding wants large; The angle of scraper and forme is 30 °-70 °.
While adjusting impression cylinder, because base material is plastic sheeting, squeegee pressure is controlled at 1pa-5pa.
While regulating ink setting temperature, due to what select, be solvent type ink, baking temperature is controlled between 80 ℃-90 ℃, is the highlyest no more than 100 ℃.
Last cutting and rewinding.
By changeable colour anti-counterfeiting compound film preparation method of the present invention, all technological processes on base film layer plastic sheeting by being layering.
Ground floor---photochromic layer (painted) layer, effect: increase brightness and the plumpness of product, and color produces inversion under ultraviolet light and solar radiation.Manufacture craft is as follows:
Photosensitive material and corresponding binder are mixed, be processed into the coating of modest viscosity, by anilox printing, be coated with and be coated in equably base film layer surface, and dry by the baking of five-part form baking oven.The temperature sequence of five-part form baking oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃, 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; Select diluent simultaneously, quick-dry type and the collocation of slow curing type solvent to use, otherwise when coating, can affect levelability and the color effects of coating surface.The solvent of this class coating is high, and solid content is low, so viscosity is generally lower, and rate of drying is slow, so baking temperature is higher, otherwise can cause the not dry viscosity on the contrary of coating.
Dyed layer make and formula 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.
The second layer---printed layers, effect: stencil machine by intaglio process and print out word and the pattern of various finenesses at coating surface, require word and clear patterns, bright-coloured.Manufacture craft is as follows:
The adjusting of scraper: scraper scrapes off the required pressure of forme surface ink and print speed printing speed is directly proportional.General speed is fast, and pressure is corresponding wants large.The angle of scraper and forme is 30 °-70 °, can keep like this scraper edge not hinder the space of a whole page, also can make the product quality of printing off comparatively desirable.
Adjust impression cylinder: because base material is plastic sheeting, it is comparatively desirable that squeegee pressure is controlled at 1pa-5pa.
The adjusting of ink setting temperature: select solvent type ink, the baking temperature that will adjust each unit according to the size of actual print speed printing speed, picture and text area, ink film thickness when printing.Baking temperature is unsuitable too high, and general control is between 80 ℃-90 ℃, the highest over 100 ℃, otherwise can cause the contraction distortion of plastic basis material, affects the accuracy of coating; The too low ink setting of baking temperature is bad.
In sum, by changeable colour anti-counterfeiting compound film preparation method of the present invention, conventional composite technology and color variable electronic transfevent combination of organic compounds are integral, form novel changeable colour anti-counterfeiting compound film product, easy to use, and there is antiforge function and be difficult for by counterfeit.
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment is only for the present invention is described, and not as limitation of the invention, as long as within the scope of connotation of the present invention, the variation of above-described embodiment, modification etc. all will be dropped in the scope of the claims in the present invention.
Claims (3)
1. a changeable colour anti-counterfeiting compound film preparation method, take plastic sheeting as basic unit, it is characterized in that, comprises the following steps:
(1) photochromic layer that superposes in basic unit: the binder that contains photosensitive material is mixed, be processed into adherent coatings, by anilox printing, be coated with and be coated in equably base film layer surface, and dry by the baking of five-part form baking oven, to increase brightness and the plumpness of product, and color produces inversion under ultraviolet light and solar radiation;
(2) printed layers that superposes on photochromic layer: stencil machine at coating surface printing word and pattern by intaglio process, wherein should regulate scraper, adjust impression cylinder, and control ink setting temperature;
While regulating scraper, scraper scrapes off the required pressure of forme surface ink and print speed printing speed is directly proportional, and general speed is fast, and pressure is corresponding wants large, and the angle of scraper and forme is 30 °-70 °;
While adjusting impression cylinder, because base material is plastic sheeting, squeegee pressure is controlled at 1pa-5pa;
While regulating ink setting temperature, due to what select, be solvent type ink, baking temperature is controlled between 80 ℃-90 ℃, is the highlyest no more than 100 ℃;
Last cutting and rewinding.
2. changeable colour anti-counterfeiting compound film preparation method according to claim 1, is characterized in that: in described step (1), the temperature sequence of five-part form baking oven is 110 ℃-120 ℃-130 ℃-140 ℃-150 ℃, and pressure is 20pa, and the speed of a motor vehicle is 120m/min.
3. changeable colour anti-counterfeiting compound film preparation method according to claim 1, is characterized in that: the viscosity size according to coating in described step (1) is added diluent, and this diluent is quick-dry type solvent and slow curing type solvent, needs mix and match to use.
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| CN201310490155.3A CN103538381A (en) | 2013-10-18 | 2013-10-18 | Variable-color anti-counterfeiting composite film production method |
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| CN201310490155.3A CN103538381A (en) | 2013-10-18 | 2013-10-18 | Variable-color anti-counterfeiting composite film production method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108045117A (en) * | 2017-11-30 | 2018-05-18 | 重庆市金利药包材料有限公司 | A kind of gravure printing technique |
| CN111301019A (en) * | 2018-12-11 | 2020-06-19 | 广东欧克水墨有限公司 | Environment-friendly ink-water color printing packaging film and manufacturing method thereof |
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| CN1088515A (en) * | 1992-11-25 | 1994-06-29 | Eta草图制造公司 | At it plastic products of decoration are arranged to the small part outer surface |
| JP2001219499A (en) * | 1994-05-12 | 2001-08-14 | Nisshin Steel Co Ltd | Coated steel panel for sublimable dye thermal transfer |
| WO2002060667A1 (en) * | 2001-01-31 | 2002-08-08 | Intesys Technologies, Inc. | Method of decorating a plastic part and associated business model |
| CN101124263A (en) * | 2005-09-06 | 2008-02-13 | Lg化学株式会社 | Method for preparing photochromic film or plate |
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| 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 |
| CN108045117A (en) * | 2017-11-30 | 2018-05-18 | 重庆市金利药包材料有限公司 | A kind of gravure printing technique |
| CN111301019A (en) * | 2018-12-11 | 2020-06-19 | 广东欧克水墨有限公司 | Environment-friendly ink-water color printing packaging film and manufacturing method thereof |
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Application publication date: 20140129 |