CN101407143A - Method for manufacturing laser anti-counterfeiting foil packaging film - Google Patents
Method for manufacturing laser anti-counterfeiting foil packaging film Download PDFInfo
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- CN101407143A CN101407143A CNA2008101558823A CN200810155882A CN101407143A CN 101407143 A CN101407143 A CN 101407143A CN A2008101558823 A CNA2008101558823 A CN A2008101558823A CN 200810155882 A CN200810155882 A CN 200810155882A CN 101407143 A CN101407143 A CN 101407143A
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Abstract
The invention discloses a method for manufacturing a laser anti-counterfeit aluminum foil packaging film, which comprises the following steps: firstly, a laser transfer film and aluminum foil are prepared, wherein the laser transfer film comprises a substrate and an anti-counterfeit pattern layer which is arranged on the substrate; secondly, glue is coated on one surface of the aluminum foil, and dried to form a gluing layer; thirdly, the aluminum foil provided with the gluing layer and the laser transfer film are subjected to hot pressing and combined with each other, and the gluing layer on the aluminum foil is contacted with the laser anti-counterfeit pattern layer under the condition of hot pressing combination, so as to obtain a packaging film blank; fourthly, the packaging film blank is subjected to heat-insulated curing treatment; and fifthly, the cured film blank is subjected to peeling operation, and the substrate in the laser transfer film is peeled off, so that the anti-counterfeit pattern layer on the laser transfer film is left on the gluing layer; and the obtained packing film is directly taken as a finished product of the laser anti-counterfeit aluminum foil packaging film or subjected to after-treatment and taken as the finished product of the laser anti-counterfeit aluminum foil packaging film. The method has the advantage that the film removing quality can be fully guaranteed.
Description
Technical field
The invention belongs to the plastics package technical field, be specifically related to a kind of manufacture method of laser anti-counterfeiting foil packaging film.
Background technology
Laser (Laser) is that the initial of (Light Amplification by Stimulated Emissionof Radiation), radium-shine, the laser of translations are again amplified in stimulated radiation.
Laser antifalsification technology is mainly used in makes laser embossed holography image false-proof labeling.
Holographic is that U.S. scientist Burger (MJBuerger) is found when utilizing the atomic structure photo of X ray shooting crystal, he has created the holographic theory with lid primary (Gabor), promptly utilize the two-beam interference principle, make the relevant light beam (reference beam) of thing light and another and thing light produce interference pattern can the position mutually " merging " get on, thereby write down the next phase and amplitude simultaneously with photographic film, just can obtain hologram image.Because ordinary light source monochromaticjty is bad, the coherence is poor, thereby makes and be difficult to take gratifying hologram by the holographic technique slower development.Up to earlier 1960s laser appearance, with its high brightness, high monochromaticity and high degree of coherence characteristic, promoted the development of holographic technique rapidly, the hologram of numerous species is made, and holographic theory is well verified.But the specific (special) requirements during owing to shooting and reproduction, holographic technique just almost is limited in the laboratory from the date of birth always.
The seventies latter stage, it is found that holographic picture has the surface texture (be crisscross interference fringe, this structure can be transferred to materials such as high-density feel exograph X and get on) that comprises three-dimensional information.1980, U.S. scientist utilized the impression holographic technique, holographic surface texture is transferred on the polyester film, thereby successfully printed out first embossed holographic picture in the world.This laser hologram picture claims the rainbow holography picture again, be by laser plate-making with making video to plastic sheeting, produce prismy diffracting effect, make picture have two dimension, three dimensions sense.Under ordinary ray, image, the information hidden in the picture can be reappeared, and when light when a certain special angle shines, on the picture again new image can appear.This embossed holographic picture can be as printing quick copy in enormous quantities, and cost is lower, and use can also combine with all kinds of printed matters.So far, holography turns to society to use and has stepped a conclusive step.
The manufacturing technology of this at that time embossed holographic picture is very advanced, has only a few peoples to grasp, so just be used to make anti-counterfeiting mark.Its false proof principle is:
1. in the whole process that the laser hologram picture is taken, if a condition difference (as taking the condition of rainbow holography) is arranged, then the effect of hologram marking will be variant;
2. the holographic information of this hologram image can't be taken with common photograph, thereby hologram pattern is difficult to duplicate.
Chinese patent application 200610050613.1 discloses a kind of laser anti-fake aluminium-foil and manufacture method thereof, and this kind laser anti-fake aluminium-foil comprises the superimposed successively aluminium coated of showing one's color, adhesive phase and metal aluminum foil layer.Its manufacture method has following steps:
Aluminium foil cleans: the metal aluminum foil ingredient upper surface is cleaned;
Gluing: glue on the aluminium foil upper surface that cleans up;
The baking of heating: the aluminium foil body after the gluing is sent into the baking oven baking of heating, after uniform temperature, take out;
The multiple film of pressurization: adopt the warm-up mill pressurization that the BOPP transfer membrane is compound on the coated face of aluminium foil body, the base membrane layer on the compound tense BOPP transfer membrane outwardly;
Water-cooled or air-cooled: directly cooling or employing water cooled rolls cool off composite bed naturally;
Take off film: the BOPP basement membrane on the cooled composite membrane is taken off, obtained laser anti-fake aluminium-foil.
In this kind manufacture method, because behind the multiple film of pressurization, directly take off film after composite bed cooled off, because its time is shorter, for the adhesive in the adhesive layer, it combines the long period of still needing and could fully solidify with the laser transfer membrane of taking the BOPP basement membrane off gluing, if just directly take off film in composite bed cooling back, the end product quality of taking off behind the film is difficult to abundant assurance, is easy to generate waste product.
Summary of the invention
The purpose of this invention is to provide a kind of manufacture method that can fully guarantee to take off the laser anti-counterfeiting foil packaging film of film quality.
Realize the manufacture method of a kind of laser anti-counterfeiting foil packaging film of the object of the invention, may further comprise the steps:
1. be ready to have the laser transfer membrane and the aluminium foil of laser anti-counterfeit pattern, described laser transfer membrane comprises base material and the security pattern layer that is arranged on the base material;
2. gluing on the one side of aluminium foil then with drying adhesive, thereby forms adhesive layer on the one side of aluminium foil;
3. aluminium foil with adhesive layer and laser transfer membrane hot pressing are combined with each other, the hot pressing compound tense makes the adhesive layer on the aluminium foil contact and be combined with each other with laser anti-counterfeit pattern layer on the laser transfer membrane, thereby obtains the packaging film blank;
4. the packaging film blank is carried out the heat preserving type maturation process, make security pattern layer and adhesive layer strong bonded on the laser transfer membrane;
5. the film blank after the slaking is carried out strip operation, peel off the base material in the laser transfer membrane, thereby the security pattern layer on the laser transfer membrane is stayed on the adhesive layer, thus with the packaging film that obtains directly as the finished product laser anti-counterfeiting foil packaging film or it is carried out post processing be re-used as the finished product laser anti-counterfeiting foil packaging film.
In the such scheme, the first kind of concrete technology that can carry out is: step 2. in, the glue of coating is polyurethane or modified polyurethane glue, the baking temperature of glue is controlled at 40 ℃ to 100 ℃; Above-mentioned steps 3. in, thereby described hot pressing compound specifically be that aluminium foil with adhesive layer and laser transfer membrane are combined with each other the two through the hot pressing roller, the temperature of described hot pressing roller is controlled at 60 ℃ to 90 ℃; Above-mentioned steps 4. in, during slaking curing temperature is controlled at 40 ℃ to 50 ℃, the curing time is 24 hours to 48 hours.
In the such scheme, the second kind of concrete technology that can carry out is: above-mentioned steps 2. in, the drying course of glue is divided into syllogic, first section baking temperature is controlled at 40 ℃ to 60 ℃, second section baking temperature is controlled at 60 ℃ to 80 ℃, and the 3rd section baking temperature is controlled at 90 ℃ to 100 ℃.
In the such scheme, the third the concrete technology that can carry out is: before carrying out above-mentioned steps operation 2., also promptly with on the opposite another side of wanting glue coated applying one deck printing ink or priming paint on the one side of aluminium foil, then printing ink or priming paint are dried, thereby on the one side of aluminium foil, form a printed substrate; Then, default literal or the pattern of printing on described printed substrate, the oven dry back forms first printed layers; Apply heat-seal adhesive then on first printed layers, the oven dry back forms a hot sealing layer.Wherein, to printing ink or priming paint oven dry the time, the control baking temperature is at 170 ℃ to 250 ℃; Described heat-seal adhesive is acrylic acid or modified acroleic acid resinoid, and when heat-seal adhesive was dried, the control baking temperature was at 140 ℃ to 200 ℃; To printing ink or priming paint oven dry the time, the gait of march of aluminium foil is controlled at 30m/min to 50m/min (meter/minute).
In the such scheme, the 4th kind of concrete technology that can carry out is: above-mentioned steps 5. in, the post processing that the packaging film that obtains behind the strip operation is carried out may further comprise the steps:
6. default literal or the pattern of printing on the security pattern layer forms second printed layers after the oven dry;
7. on second printed layers, apply gloss oil, its oven dry back is formed a gloss oil protective layer.
In the 4th kind of concrete scheme, described step 6. in, control baking temperature at 170 ℃ to 250 ℃; Described step 7. in, control baking temperature at 120 ℃ to 250 ℃.
In the such scheme, the 5th kind of concrete technology that can carry out is: before carrying out above-mentioned steps operation 2., also has step 8.: also promptly with on the opposite another side of wanting glue coated applying one deck printing ink or priming paint on the one side of aluminium foil, then printing ink or priming paint are dried, thereby on the one side of aluminium foil, form a printed substrate; Above-mentioned steps 5. in, the post processing that the packaging film that obtains behind the strip operation is carried out may further comprise the steps:
9. literal or the pattern that printing is simultaneously preset on the security pattern layer and first printed substrate forms first printed layers on first printed substrate after the oven dry, forms second printed layers on the security pattern layer;
10. apply heat-seal adhesive on first printed layers, the oven dry back forms a hot sealing layer;
(11) on second printed layers, apply gloss oil, its oven dry back is formed a gloss oil protective layer.
In the 4th kind of concrete scheme, above-mentioned steps 8. in, to the oven dry of printing ink or priming paint the time, the control baking temperature is at 170 ℃ to 250 ℃; Above-mentioned steps 10. in, described heat-seal adhesive is acrylic acid or modified acroleic acid resinoid, when heat-seal adhesive is dried, control baking temperature at 140 ℃ to 200 ℃; In the above-mentioned steps (11), when gloss oil was dried, the control baking temperature was at 120 ℃ to 250 ℃.
The good effect that the present invention has:
(1) in the inventive method, step 4. in, by the packaging film blank is carried out the heat preserving type maturation process, make security pattern layer and adhesive layer strong bonded on the laser transfer membrane; Just the packaging film blank is carried out strip operation then, can fully guarantee to take off the end product quality behind the film.
(2) in the inventive method, step 2. in, the drying course of glue is divided into syllogic, first section baking temperature is controlled at 40 ℃ to 60 ℃, second section baking temperature is controlled at 60 ℃ to 80 ℃, the 3rd section baking temperature is controlled at 90 ℃ to 100 ℃; The advantage that its baking is divided into the syllogic baking is to reduce the adverse effect of direct high-temperature baking to the adhesive property of glue as far as possible.
The specific embodiment
(embodiment 1)
The manufacture method of the laser anti-counterfeiting foil packaging film in the present embodiment may further comprise the steps:
1. be ready to have the laser transfer membrane and the aluminium foil of laser anti-counterfeit pattern, described laser transfer membrane comprises base material and the security pattern layer that is arranged on the base material;
2. on the one side of aluminium foil, be coated with polyurethane glue, then glue dried under 80 ± 3 ℃ baking temperature, thereby on the one side of aluminium foil, form adhesive layer;
3. aluminium foil with adhesive layer and laser transfer membrane hot pressing are combined with each other, the hot pressing compound tense makes the adhesive layer on the aluminium foil contact and be combined with each other with laser anti-counterfeit pattern layer on the laser transfer membrane, thereby obtains the packaging film blank; Thereby described hot pressing is compound specifically is that aluminium foil and laser transfer membrane with adhesive layer are combined with each other the two through the hot pressing roller, and the temperature of described hot pressing roller is controlled at 75 ± 3 ℃;
4. the packaging film blank is carried out the heat preserving type maturation process, make security pattern layer and adhesive layer strong bonded on the laser transfer membrane; During slaking curing temperature is controlled at 45 ± 3 ℃, the curing time is 36 hours.
5. the film blank after the slaking is carried out strip operation, peels off the base material in the laser transfer membrane, thereby the security pattern layer on the laser transfer membrane is stayed on the adhesive layer, thus with the packaging film that obtains directly as the finished product laser anti-counterfeiting foil packaging film.
Concrete technological parameter in the present embodiment can be referring to table 1.
To the laser anti-counterfeiting foil packaging film that present embodiment prepares, from checking that in appearance laser pattern or literal are clear, complete, good luster does not have assorted point, no bubble; In addition it is carried out high temperature resistant detection, under 200 ℃ of high temperature, can adhere to 2 second time demoulding not, no variable color, no bubble.
(embodiment 2 and embodiment 3)
Embodiment 2 and embodiment 3 are substantially the same manner as Example 1, and difference is: the technological parameter in the described processing step is different, and technological parameter concrete among each embodiment can be referring to table 1.To the laser anti-counterfeiting foil packaging film that embodiment 2 and embodiment 3 prepare, from checking that in appearance laser pattern or literal are clear, complete, good luster does not have assorted point, no bubble; In addition it is carried out high temperature resistant detection, under 200 ℃ of high temperature, can adhere to 2 second time demoulding not, no variable color, no bubble.
Table 1
(embodiment 4)
The manufacture method of the laser anti-counterfeiting foil packaging film in the present embodiment may further comprise the steps:
Present embodiment is substantially the same manner as Example 1, difference is: described step 2. in, the drying course of glue is divided into syllogic, first section baking temperature is controlled at 40 ℃ to 60 ℃, second section baking temperature is controlled at 60 ℃ to 80 ℃, and the 3rd section baking temperature is controlled at 90 ℃ to 100 ℃.The concrete parameter of its syllogic baking temperature sees Table 2.
(embodiment 5 and embodiment 6)
Embodiment 5 and embodiment 6 are substantially the same manner as Example 4, and difference is: the technological parameter of described processing step in 2. is different, and technological parameter concrete among each embodiment can be referring to table 2.
To the laser anti-counterfeiting foil packaging film that embodiment 4 to embodiment 6 prepares, from checking that in appearance laser pattern or literal are clear, complete, good luster does not have assorted point, no bubble; In addition it is carried out high temperature resistant detection, under 200 ℃ of high temperature, can adhere to 2 second time demoulding not, no variable color, no bubble.
Table 2
(embodiment 7)
Present embodiment is substantially the same manner as Example 1, and difference is:
Before carrying out above-mentioned steps operation 2., also promptly with on the opposite another side of wanting glue coated evenly applying one deck printing ink or priming paint on the one side of aluminium foil, then with printing ink or priming paint oven dry, thereby on the one side of aluminium foil, form a printed substrate; Then, default literal or the pattern of printing on described printed substrate, the oven dry back forms first printed layers; Apply heat-seal adhesive then on first printed layers, the oven dry back forms a hot sealing layer.After finishing, just then carry out above-mentioned steps operation 2..
Wherein, to printing ink or priming paint oven dry the time, the control baking temperature is at 180 ± 10 ℃, and the gait of march of aluminium foil is controlled at 30m/min.Technological parameter concrete in the present embodiment sees Table 3.
(embodiment 8 and embodiment 9)
Embodiment 8 and embodiment 9 are substantially the same manner as Example 7, and difference is: described technological parameter is different, and technological parameter concrete among each embodiment sees Table 3.
To the laser anti-counterfeiting foil packaging film that embodiment 7 to embodiment 9 prepares, from checking that in appearance laser pattern or literal are clear, complete, good luster does not have assorted point, no bubble; In addition it is carried out high temperature resistant detection, under 200 ℃ of high temperature, can adhere to 2 second time demoulding not, no variable color, no bubble; Heat sealability is good, and its heat seal strength can reach more than the 7N/15mm when sealing with the PVC material.
Table 3
(embodiment 10)
The manufacture method of the laser anti-counterfeiting foil packaging film in the present embodiment may further comprise the steps:
1. be ready to have the laser transfer membrane and the aluminium foil of laser anti-counterfeit pattern, described laser transfer membrane comprises base material and the security pattern layer that is arranged on the base material;
2. on the one side of aluminium foil, be coated with polyurethane glue, then glue dried under 80 ± 3 ℃ baking temperature, thereby on the one side of aluminium foil, form adhesive layer;
3. aluminium foil with adhesive layer and laser transfer membrane hot pressing are combined with each other, the hot pressing compound tense makes the adhesive layer on the aluminium foil contact and be combined with each other with laser anti-counterfeit pattern layer on the laser transfer membrane, thereby obtains the packaging film blank; Thereby described hot pressing is compound specifically is that aluminium foil and laser transfer membrane with adhesive layer are combined with each other the two through the hot pressing roller, and the temperature of described hot pressing roller is controlled at 75 ± 3 ℃;
4. the packaging film blank is carried out the heat preserving type maturation process, make security pattern layer and adhesive layer strong bonded on the laser transfer membrane; During slaking curing temperature is controlled at 45 ± 3 ℃, the curing time is 36 hours.
5. the film blank after the slaking is carried out strip operation, peel off the base material in the laser transfer membrane, thereby the security pattern layer on the laser transfer membrane is stayed on the adhesive layer, continue the packaging film that obtains is carried out post processing;
6. default literal or the pattern of printing on the security pattern layer forms second printed layers after the oven dry, and the control baking temperature is at 210 ± 5 ℃;
7. apply gloss oil on second printed layers, its oven dry back is formed a gloss oil protective layer, the control baking temperature is at 185 ± 5 ℃.
Each technological parameter in the present embodiment sees Table 4.
(embodiment 11 and embodiment 12)
Embodiment 11 and embodiment 12 are substantially the same manner as Example 10, and difference is: described technological parameter is different, and technological parameter concrete among each embodiment sees Table 4.
To the laser anti-counterfeiting foil packaging film that embodiment 10 to embodiment 12 prepares, from checking that in appearance laser pattern or literal are clear, complete, good luster does not have assorted point, no bubble; In addition it is carried out high temperature resistant detection, under 200 ℃ of high temperature, can adhere to 2 second time demoulding not, no variable color, no bubble.
Table 4
(embodiment 13)
The manufacture method of the laser anti-counterfeiting foil packaging film in the present embodiment may further comprise the steps (sequence number only is to be used to represent this step before the step, does not represent the actual order of this step) successively: (power 9 to 10)
1. be ready to have the laser transfer membrane and the aluminium foil of laser anti-counterfeit pattern, described laser transfer membrane comprises base material and the security pattern layer that is arranged on the base material;
8. also promptly with on the opposite another side of wanting glue coated applying one deck printing ink or priming paint on the one side of aluminium foil,, thereby on the one side of aluminium foil, forming a printed substrate then with printing ink or priming paint oven dry; To printing ink or priming paint oven dry the time, the control baking temperature is at 170 ℃ to 250 ℃;
2. on the one side of aluminium foil, be coated with polyurethane glue, then glue dried under 80 ± 3 ℃ baking temperature, thereby on the one side of aluminium foil, form adhesive layer;
3. aluminium foil with adhesive layer and laser transfer membrane hot pressing are combined with each other, the hot pressing compound tense makes the adhesive layer on the aluminium foil contact and be combined with each other with laser anti-counterfeit pattern layer on the laser transfer membrane, thereby obtains the packaging film blank; Thereby described hot pressing is compound specifically is that aluminium foil and laser transfer membrane with adhesive layer are combined with each other the two through the hot pressing roller, and the temperature of described hot pressing roller is controlled at 75 ± 3 ℃;
4. the packaging film blank is carried out the heat preserving type maturation process, make security pattern layer and adhesive layer strong bonded on the laser transfer membrane; During slaking curing temperature is controlled at 45 ± 3 ℃, the curing time is 36 hours.
5. the film blank after the slaking is carried out strip operation, peels off the base material in the laser transfer membrane, thereby the security pattern layer on the laser transfer membrane is stayed on the adhesive layer, thus with the packaging film that obtains directly as the finished product laser anti-counterfeiting foil packaging film.
9. literal or the pattern that printing is simultaneously preset on the security pattern layer and first printed substrate forms first printed layers on first printed substrate after the oven dry, forms second printed layers on the security pattern layer; When printing ink was dried, the control baking temperature was at 185 ± 5 ℃;
10. apply heat-seal adhesive on first printed layers, the oven dry back forms a hot sealing layer; Described heat-seal adhesive is an acrylic resin, and when heat-seal adhesive was dried, the control baking temperature was at 135 ± 5 ℃;
(11) on second printed layers, apply gloss oil, its oven dry back is formed a gloss oil protective layer; When gloss oil was dried, the control baking temperature was at 120 ℃ to 250 ℃.
Concrete technological parameter in the present embodiment can be referring to table 5.
(embodiment 14 and embodiment 15)
Embodiment 14 and embodiment 15 are substantially the same manner as Example 13, and difference is: described technological parameter is different, and technological parameter concrete among each embodiment sees Table 5.
To the laser anti-counterfeiting foil packaging film that embodiment 13 to embodiment 15 prepares, from checking that in appearance laser pattern or literal are clear, complete, good luster does not have assorted point, no bubble; In addition it is carried out high temperature resistant detection, under 200 ℃ of high temperature, can adhere to 2 second time demoulding not, no variable color, no bubble; Heat sealability is good, and its heat seal strength can reach more than the 7N/15mm when sealing with the PVC material.
Table 5
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (10)
1, a kind of manufacture method of laser anti-counterfeiting foil packaging film may further comprise the steps:
1. be ready to have the laser transfer membrane and the aluminium foil of laser anti-counterfeit pattern, described laser transfer membrane comprises base material and the security pattern layer that is arranged on the base material;
2. gluing on the one side of aluminium foil then with drying adhesive, thereby forms adhesive layer on the one side of aluminium foil;
3. aluminium foil with adhesive layer and laser transfer membrane hot pressing are combined with each other, the hot pressing compound tense makes the adhesive layer on the aluminium foil contact and be combined with each other with laser anti-counterfeit pattern layer on the laser transfer membrane, thereby obtains the packaging film blank;
4. the packaging film blank is carried out the heat preserving type maturation process, make security pattern layer and adhesive layer strong bonded on the laser transfer membrane;
5. the film blank after the slaking is carried out strip operation, peel off the base material in the laser transfer membrane, thereby the security pattern layer on the laser transfer membrane is stayed on the adhesive layer, thus with the packaging film that obtains directly as the finished product laser anti-counterfeiting foil packaging film or it is carried out post processing be re-used as the finished product laser anti-counterfeiting foil packaging film.
2, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 1 is characterized in that:
Above-mentioned steps 2. in, the glue of coating is polyurethane or modified polyurethane glue, the baking temperature of glue is controlled at 40 ℃ to 100 ℃;
Above-mentioned steps 3. in, thereby described hot pressing compound specifically be that aluminium foil with adhesive layer and laser transfer membrane are combined with each other the two through the hot pressing roller, the temperature of described hot pressing roller is controlled at 60 ℃ to 90 ℃;
Above-mentioned steps 4. in, during slaking curing temperature is controlled at 40 ℃ to 50 ℃, the curing time is 24 hours to 48 hours.
3, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 2, it is characterized in that: above-mentioned steps 2. in, the drying course of glue is divided into syllogic, first section baking temperature is controlled at 40 ℃ to 60 ℃, second section baking temperature is controlled at 60 ℃ to 80 ℃, and the 3rd section baking temperature is controlled at 90 ℃ to 100 ℃.
4, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 1, it is characterized in that: before carrying out above-mentioned steps operation 2., also promptly with on the opposite another side of wanting glue coated applying one deck printing ink or priming paint on the one side of aluminium foil, then printing ink or priming paint are dried, thereby on the one side of aluminium foil, form a printed substrate; Then, default literal or the pattern of printing on described printed substrate, the oven dry back forms first printed layers; Apply heat-seal adhesive then on first printed layers, the oven dry back forms a hot sealing layer.
5, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 4 is characterized in that: to printing ink or priming paint oven dry the time, the control baking temperature is at 170 ℃ to 250 ℃; Described heat-seal adhesive is acrylic acid or modified acroleic acid resinoid, and when heat-seal adhesive was dried, the control baking temperature was at 140 ℃ to 200 ℃.
6, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 4 is characterized in that: to printing ink or priming paint oven dry the time, the gait of march of aluminium foil is controlled at 30m/min to 50m/min.
7, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 1 is characterized in that: above-mentioned steps 5. in, the post processing that the packaging film that obtains behind the strip operation is carried out may further comprise the steps:
6. default literal or the pattern of printing on the security pattern layer forms second printed layers after the oven dry;
7. on second printed layers, apply gloss oil, its oven dry back is formed a gloss oil protective layer.
8, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 7 is characterized in that: described step 6. in, control baking temperature at 170 ℃ to 250 ℃; Described step 7. in, control baking temperature at 120 ℃ to 250 ℃.
9, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 1, it is characterized in that: before carrying out above-mentioned steps operation 2., also has step 8.: also promptly with on the opposite another side of wanting glue coated applying one deck printing ink or priming paint on the one side of aluminium foil, then printing ink or priming paint are dried, thereby on the one side of aluminium foil, form a printed substrate; Above-mentioned steps 5. in, the post processing that the packaging film that obtains behind the strip operation is carried out may further comprise the steps:
9. literal or the pattern that printing is simultaneously preset on the security pattern layer and first printed substrate forms first printed layers on first printed substrate after the oven dry, forms second printed layers on the security pattern layer;
10. apply heat-seal adhesive on first printed layers, the oven dry back forms a hot sealing layer;
(11) on second printed layers, apply gloss oil, its oven dry back is formed a gloss oil protective layer.
10, the manufacture method of laser anti-counterfeiting foil packaging film according to claim 9 is characterized in that:
Above-mentioned steps 8. in, to the oven dry of printing ink or priming paint the time, the control baking temperature is at 170 ℃ to 250 ℃;
Above-mentioned steps 10. in, described heat-seal adhesive is acrylic acid or modified acroleic acid resinoid, when heat-seal adhesive is dried, control baking temperature at 140 ℃ to 200 ℃;
In the above-mentioned steps (11), when gloss oil was dried, the control baking temperature was at 120 ℃ to 250 ℃.
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