CN104050870A - Method for manufacturing temperature-controlled label - Google Patents
Method for manufacturing temperature-controlled label Download PDFInfo
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- CN104050870A CN104050870A CN201410272203.6A CN201410272203A CN104050870A CN 104050870 A CN104050870 A CN 104050870A CN 201410272203 A CN201410272203 A CN 201410272203A CN 104050870 A CN104050870 A CN 104050870A
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Abstract
The invention relates to a method for manufacturing a temperature-controlled label. According to the method, a polyester film or paper serves as a carrier, a temperature-sensing material and a corresponding connecting material are uniformly mixed and processed into an adhesive coating, and the adhesive coating is uniformly applied to the surface of the polyester film or the surface of the paper in a printing and coating mode through an anilox roller to form a thermochromic layer; characters and patterns are printed on the surface of the thermochromic layer according to the intaglio overprinting technology; a non-setting adhesive is uniformly applied to the back side of the temperature-controlled label in a roll coating mode to facilitate sticking; finally, pressure is applied through an impressing plate to cut a whole printed product into single pattern products in a pressing mode. According to the method, the traditional printing technology and color-changing microcapsule invisible dye are combined, and it is required that the current temperature is shown by change of the temperature difference of the color-changing microcapsule invisible dye within a specially set temperature difference range. The temperature-controlled label can be applied to various packages for products needing refrigerating or freezing, the characters or the patterns on the label can change along with change of the temperature, and therefore the current temperature of the products needing refrigerating or freezing can be shown.
Description
Technical field
The present invention relates to labeling, be specifically related to a kind of temperature control label making method that adopts traditional printing technology and the stealthy dyestuff of changeable colour microcapsules to combine.
Background technology
Existing labeling is to adopt traditional printing technology to be made, and can be made into adhesive label, is attached in any type of packaging, also labeling directly can be printed on packing box.
For the word or the pattern energy variation with temperature that make labeling change, especially labeling is used for to all kinds of packagings that need refrigeration, frozen product, allow word on labeling or pattern manifest different variations to embody the Current Temperatures of needs refrigeration or frozen product, person skilled in art is just making great efforts to research and develop a kind of method for making of temperature control labeling.
Summary of the invention
Task of the present invention is to provide a kind of temperature control label making method, the method for making that this temperature control labeling adopts traditional printing technology and the stealthy dyestuff of changeable colour microcapsules to combine, represents Current Temperatures by the difference variation of utilizing the stealthy dyestuff of changeable colour microcapsules.
Technical solution of the present invention is as follows:
A kind of temperature control label making method, taking mylar or paper as carrier, comprises the following steps:
(1) the warm photochromic layer that superposes on mylar or paper: temperature-sensitive material and corresponding binder are mixed, be processed into adherent coatings, be coated with and be coated in equably mylar or paper surface by anilox printing; In manufacturing process, fully take into account the compatibility of temperature-sensitive material and binder, the viscosity size of solution is selected thinning agent simultaneously, the collocation of quick-dry type solvent and slow curing type solvent is used, otherwise in the time of coating, can affect levelability and the color effects of coating surface; Need to be dried by baking, baking temperature order is 90 DEG C-100 DEG C-110 DEG C-130 DEG C-110 DEG C, and pressure is 20pa, and the speed of a motor vehicle is 60m/min; The effect of this step is luminance brightness and the plumpness that increases product, can produce inversion in specific temperature range color;
(2) warm photochromic layer forwards on stock by intaglio printing mode, printed layers superposes on warm photochromic layer: in manufacturing process, the quality of the degree of accuracy of chromatography and temperature change effect has correlativity, and thickness and the degree of uniformity of printed coating also have impact to printed layers simultaneously; This step adopts intaglio plate chromatography technology, goes out word and pattern at warm photochromic layer surface printing, requires word and clear patterns, bright-coloured;
In printing process, should regulate scraper, adjust impression cylinder, regulate ink setting temperature;
(3) be superimposed with glue-line at the back side of mylar or paper: temperature control labeling is a kind of self-adhesive label material, adopt print roll coating mode, non-setting adhesive cement is evenly coated in to the back side of temperature control labeling, so that paste;
(4) cross cutting operation: exert pressure whole printing crush-cutting is become to single graphic product by coining plate.
In described step (1), the temperature change powder particle size of warm photochromic layer and the roller coating netting twine depth adapt, to obtain promising result.
In described step (2), printed layers is that the intaglio press of the precision of employing with register control device in 0.15mm prints.
While regulating scraper in described step (2), 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 in described step (2), squeegee pressure is controlled at 1pa-5pa.
While regulating ink setting temperature in described step (2), what select is solvent type ink, and baking temperature is controlled between 80 DEG C-90 DEG C, is the highlyest no more than 100 DEG C.
Temperature control label making method of the present invention is to adopt the stealthy dyestuff of traditional printing technology and changeable colour microcapsules to combine, this method for making requires in the temperature range of special setting, represents Current Temperatures by the difference variation of utilizing the stealthy dyestuff of changeable colour microcapsules.Can be by temperature control labeling for all kinds of packagings that need refrigeration, frozen product, make word on labeling or pattern energy variation with temperature and change, the difference manifesting by labeling word or pattern changes to embody that needs refrigerate or the Current Temperatures of frozen product.
Temperature control labeling of the present invention can be widely used in all kinds of packagings that need refrigeration, frozen product.Temperature control labeling of the present invention can be made into adhesive label, is attached in any type of packaging, also labeling directly can be printed on packing box.
Embodiment
Below in conjunction with embodiment, the present invention is elaborated.
The invention provides a kind of temperature control label making method, taking common mylar or paper as carrier, can in specific range of temperatures, vary with temperature at mylar or paper surface precoating layer the chemical coating that change color can occur, this chemical coating is in common synthetic resin, add the stealthy dyestuff of a kind of microcapsules and add appropriate look forming agent and temperature control agent, this chemical coating can be designed to pattern or word on request, select to produce the off-color material in different temperatures interval by the temperature control material to different, then coordinate the ink of the various colors of printing, make product not only attractive in appearance but also have certain functional.
By a kind of temperature control label making method of the present invention, comprise the following steps:
1, the warm photochromic layer that superposes on mylar or paper.
Temperature-sensitive material and corresponding binder are mixed, be processed into adherent coatings, be coated with and be coated in equably mylar or paper surface by anilox printing.In manufacturing process, fully take into account the compatibility of temperature-sensitive material and binder, the viscosity size of solution is selected thinning agent simultaneously, the collocation of quick-dry type solvent and slow curing type solvent is used, otherwise in the time of coating, can affect levelability and the color effects of coating surface.Need to be dried by baking, baking temperature order is 90 DEG C-100 DEG C-110 DEG C-130 DEG C-110 DEG C, and pressure is 20pa, and the speed of a motor vehicle is 60m/min.The effect of this step is luminance brightness and the plumpness that increases product, can produce inversion in specific temperature range color.Temperature change powder particle size and the roller coating netting twine depth of temperature photochromic layer adapt, to obtain promising result.
2, warm photochromic layer forwards on stock by intaglio printing mode, and printed layers superposes on warm photochromic layer.
In manufacturing process, the quality of the degree of accuracy of chromatography and temperature change effect has correlativity, and thickness and the degree of uniformity of printed coating also have impact to printed layers simultaneously.This step adopts intaglio plate chromatography technology, goes out word and pattern at warm photochromic layer surface printing, requires word and clear patterns, bright-coloured.Can adopt precision with the register control device intaglio press in 0.15mm to print.
In printing process, should regulate scraper, adjust impression cylinder, regulate 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, squeegee pressure is controlled at 1pa-5pa.
While regulating ink setting temperature, what select is solvent type ink, and baking temperature is controlled between 80 DEG C-90 DEG C, is the highlyest no more than 100 DEG C.
3, be superimposed with glue-line at the back side of mylar or paper.
Temperature control labeling is a kind of self-adhesive label material, adopts print roll coating mode, non-setting adhesive cement is evenly coated in to the back side of temperature control labeling, so that paste.
4, cross cutting operation.
Exert pressure whole printing crush-cutting is become to single graphic product by coining plate.
The variable color principle of temperature control labeling product of the present invention is: cryogenic displaying color and high temperature is colourless.The stealthy dyestuff of changeable colour microcapsules in temperature control labeling coating used is selected a kind of microcapsules, the mean grain size of these microcapsules is 3-10 μ m, it is wherein compound prescription microcapsule powder, be characterized in thering is good solvent resistance and dispersiveness, than being more suitable for ink and coating, Combination is not well separated out.
By temperature control label making method of the present invention, all technological process is by being layering on base film layer mylar.Temperature control labeling be by coating be coated with, typography makes.Coating is made up of resin, temperature sensing material, auxiliary agent, solvent etc.Because temperature sensing material is being coated stealthy dyestuff, look forming agent, temperature control agent, and select different temperature control materials, therefore can produce the labeling of the interval variable color of different temperatures.Coating will be noted the selection of resin, solvent, auxiliary agent, to ensure colour fastness and color stability.Avoid high polar solvent to use as methyl alcohol, ethanol, acetone, butanone mix, to prevent affecting the microcapsule powder in temperature sensing material microcapsules because of osmosis.Simultaneously coating must possess good dispersive property, anti-settling performance, make it to have good can coating.Temperature control labeling product can variable color color difference, temperature range difference, and the visual customer demand of specific requirement meets.
The present invention has adopted following technological process in actual fabrication:
A, the warm photochromic layer that superposes on mylar or paper, effect: increase luminance brightness and the plumpness of product, can produce inversion in specific temperature range color.Manufacture craft is as follows:
Temperature-sensitive material and corresponding binder are mixed, be processed into the coating of modest viscosity, be coated with and be coated in equably mylar or paper surface by anilox printing.In manufacturing process, fully take into account the compatibility of temperature-sensitive material and binder; The viscosity size of solution; The selection of thinning agent is simultaneously also very important, quick-drying and the collocation of slow curing type solvent to use, otherwise in the time of coating, can affect levelability and the color effects of coating surface.The solvent of this class coating is high, and solid content is low, and therefore 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.In a word, photochromic layer make and formula Design process in to fully take into account form and aspect, the transparency of coating, the volatilization speed of solvent, adapting of temperature change powder particle size and the roller coating netting twine depth, so just can obtain gratifying effect.
Need to be dried by baking, baking temperature order is 90 DEG C-100 DEG C-110 DEG C-130 DEG C-110 DEG C, and pressure is 20pa, and the speed of a motor vehicle is 60m/min.
B, the printed layers that superposes on warm photochromic layer, effect: stencil machine and print out at coating surface word and the pattern of various finenesses by intaglio process, require word and clear patterns, bright-coloured.
Temperature photochromic layer is to forward on stock by the mode of intaglio printing, and in manufacturing process, the quality of the degree of accuracy of chromatography and temperature change effect also has certain relation.The demonstration of temperature color changeable effect is not only relevant with warm variable color powder, and thickness and the degree of uniformity of printed coating also have a great impact it simultaneously.Therefore in manufacturing process, to closely pay attention to affecting several key elements of chromatography precision, that is: the precision of printing machine, printing material, method of operating, printing environment etc.This temperature control labeling product is the intaglio press printing of the precision of employing with register control device in 0.15mm.
Manufacture craft is as follows: in printing process, should regulate scraper, adjust impression cylinder, regulate ink setting temperature.
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 ° in addition, can keep like this scraper edge not hinder the space of a whole page, also can make the comparatively ideal of product quality of printing off.
Adjust impression cylinder: it is comparatively desirable that squeegee pressure is controlled at 1pa-5pa.
The adjusting of ink setting temperature: what select is 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 in the time of printing.Baking temperature is unsuitable too high, between 80 DEG C-90 DEG C of general controls, does not the highlyest exceed 100 DEG C, otherwise can cause the drawdown deformation of base material, affects the accuracy of coating, and too low ink setting is bad.
C, be superimposed with glue-line at the back side of mylar or paper, effect: temperature control labeling is a kind of self-adhesive label material, at the back side taking mylar, paper or special material as plane materiel, need to apply adhesive, conveniently pastes.Manufacture craft is as follows:
Adopt print roll coating method, non-setting adhesive cement is evenly coated in to the back side of temperature control labeling.Because print roll coating can ensure the even sense of coating to greatest extent, avoid the generation of pinprick and bubble, ensure coating quality.Because temperature control labeling is mainly used in packaging material for food, therefore in whole manufacturing process, all adopt food environmental protective type chemical raw material.
D, cross cutting operation, apply certain pressure by coining plate whole printing crush-cutting become to single graphic product.
In sum, temperature control label making method of the present invention is to adopt the stealthy dyestuff of traditional printing technology and changeable colour microcapsules to combine, require in the temperature range of special setting, represent Current Temperatures by the difference variation of utilizing the stealthy dyestuff of changeable colour microcapsules.Can be by temperature control labeling for all kinds of packagings that need refrigeration, frozen product, make word on labeling or pattern energy variation with temperature and change, the difference manifesting by labeling word or pattern changes to embody that needs refrigerate or the Current Temperatures of frozen product.
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, variation, the modification etc. of above-described embodiment all will be dropped in the scope of the claims in the present invention.
Claims (6)
1. a temperature control label making method, is characterized in that, taking mylar or paper as carrier, comprises the following steps:
(1) the warm photochromic layer that superposes on mylar or paper: temperature-sensitive material and corresponding binder are mixed, be processed into adherent coatings, be coated with and be coated in equably mylar or paper surface by anilox printing; In manufacturing process, fully take into account the compatibility of temperature-sensitive material and binder, the viscosity size of solution is selected thinning agent simultaneously, the collocation of quick-dry type solvent and slow curing type solvent is used, otherwise in the time of coating, can affect levelability and the color effects of coating surface; Need to be dried by baking, baking temperature order is 90 DEG C-100 DEG C-110 DEG C-130 DEG C-110 DEG C, and pressure is 20pa, and the speed of a motor vehicle is 60m/min; The effect of this step is luminance brightness and the plumpness that increases product, can produce inversion in specific temperature range color;
(2) warm photochromic layer forwards on stock by intaglio printing mode, printed layers superposes on warm photochromic layer: in manufacturing process, the quality of the degree of accuracy of chromatography and temperature change effect has correlativity, and thickness and the degree of uniformity of printed coating also have impact to printed layers simultaneously; This step adopts intaglio plate chromatography technology, goes out word and pattern at warm photochromic layer surface printing, requires word and clear patterns, bright-coloured;
In printing process, should regulate scraper, adjust impression cylinder, regulate ink setting temperature;
(3) be superimposed with glue-line at the back side of mylar or paper: temperature control labeling is a kind of self-adhesive label material, adopt print roll coating mode, non-setting adhesive cement is evenly coated in to the back side of temperature control labeling, so that paste;
(4) cross cutting operation: exert pressure whole printing crush-cutting is become to single graphic product by coining plate.
2. temperature control label making method according to claim 1, is characterized in that: in described step (1), the temperature change powder particle size of warm photochromic layer and the roller coating netting twine depth adapt, to obtain promising result.
3. temperature control label making method according to claim 1, is characterized in that: in described step (2), printed layers is that the intaglio press of the precision of employing with register control device in 0.15mm prints.
4. temperature control label making method according to claim 1, it is characterized in that: while regulating scraper in described step (2), scraper scrapes off the required pressure of forme surface ink and print speed printing speed is directly proportional, and general speed is fast, pressure is corresponding wants large, and the angle of scraper and forme is 30 °-70 °.
5. temperature control label making method according to claim 1, is characterized in that: while adjusting impression cylinder in described step (2), squeegee pressure is controlled at 1pa-5pa.
6. temperature control label making method according to claim 1, is characterized in that: while regulating ink setting temperature in described step (2), what select is solvent type ink, and baking temperature is controlled between 80 DEG C-90 DEG C, is the highlyest no more than 100 DEG C.
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| CN109050030A (en) * | 2018-07-08 | 2018-12-21 | 河南金宏印业有限公司 | A kind of method of paper printing |
| CN111880253A (en) * | 2020-08-12 | 2020-11-03 | 东莞市三人行反光材料有限公司 | Light-variable reflecting film |
| CN111880252A (en) * | 2020-08-12 | 2020-11-03 | 东莞市三人行反光材料有限公司 | Temperature-variable reflective film |
| CN112204191A (en) * | 2018-05-28 | 2021-01-08 | 赛杰法拉利股份有限公司 | Method for marking a textile with a thermally erasable ink |
| CN112572005A (en) * | 2019-09-30 | 2021-03-30 | 昆山市蓝天印务有限公司 | Peanut production process with self-adhesive label |
| CN115637114A (en) * | 2022-10-18 | 2023-01-24 | 浙江龙游道明光学有限公司 | Method for manufacturing thermochromic thermal transfer film |
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Application publication date: 20140917 |