CN102463757B - Preparation method of holographic transfer film for replacing holographic gold stamping - Google Patents

Preparation method of holographic transfer film for replacing holographic gold stamping Download PDF

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Publication number
CN102463757B
CN102463757B CN201010550999.9A CN201010550999A CN102463757B CN 102463757 B CN102463757 B CN 102463757B CN 201010550999 A CN201010550999 A CN 201010550999A CN 102463757 B CN102463757 B CN 102463757B
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gold stamping
film
holographic
machine
pattern
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CN201010550999.9A
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CN102463757A (en
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郑成赋
牟靖文
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武汉华工图像技术开发有限公司
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Abstract

The invention relates to a preparation method of a holographic transfer film for replacing holographic gold stamping, which comprises the following steps that: a gravure coating machine is adopted, transfer paint with integrated parting and imaging functions is coated on a polyethylene terephthalate (PET) film, and baking and curing are carried out; the mold pressing is carried out on a mold pressing machine, and holographic patterns are copied onto imaging coatings; the vacuum aluminum plating is carried out; a printing aluminum washing protection ink version roller is designed according to gold stamping pattern requirements, and protection ink is printed; the aluminum washing is carried out in an aluminum washing machine, and aluminum layers in positions without printing the protection ink are washed away and baked; extinction oil is coated on the coating machine, and the holographic patterns in hollow positions, i.e. the positions in which the aluminum layers are washed away are removed; the transfer film and paper are compounded on a compounding machine; the PET film is peeled off on a peeling machine and is recovered and utilized, so the transfer paper with the holographic patterns is made; and printing products with holographic gold stamping patterns are made through subsequent offset printing or intaglio printing and the like. The method can completely replace the holographic gold stamping process, the production efficiency is high, and the method is suitable for the large-scale production operation.

Description

A kind of preparation method of holography shifting film of replacing holographic gold stamping

Technical field

The present invention is specifically related to oneplant the preparation method of the holography shifting film of replacing holographic gold stamping, belong to packaging and field of anti-counterfeit technology.

Background technology

Along with the raising of national economy and the development of press-packaging industry, the requirement of people to the packing of product is not only top grade, fineness, environmental protection, rich personalized, and the packaging of simultaneously also wishing by product can distinguish the true and false of product.Therefore, there is anti-fraud functional holographic gold stamping technology and obtain applying more and more widely in the post-press finishing of packaging product, and be subject to the favor of consumers in general due to the outward appearance of its luxurious fineness.All be widely used in the high-grade packaging such as cigarette-brand, medicine, cosmetics, wine.

But just current gilding technology, regardless of platen mode, or circle flattens, the round mode of circle pressure, and all must be cut into individual, the production cycle is long, efficiency is low.For the large product of batch, although adopt gravure to efficiently solve poor stability, problem that production efficiency is low, if follow-up employing is gold stamping, seriously can restrict production efficiency, production cost is increased, and poor stability.Due in gold stamping process high temperature and pressure also some can be caused to damage to holographic false proof pattern, not only reduce the gloss of the gold stamping pattern of product, also largely reducing the anti-counterfeiting power of product.

Thus market is badly in need of a kind ofly being different from the gold stamping technology of conventional photographic and product, this product not only can replacing holographic gold stamping technique, and this product is more suitable for producing in enormous quantities, and packaging effect is more attractive in appearance, and anti-counterfeiting power is stronger, and it is larger to forge difficulty.

Summary of the invention

The technical problem that the present invention mainly solves is to provide oneplant the preparation method of the holography shifting film of replacing holographic gold stamping, not only can substitute traditional conventional electrochemical aluminium gold stamping, and the holographic electrochemical aluminium gold-stamped and boiling hot technology in location can be replaced.The method can be guaranteed the final effect of the bronzing effect pattern part designed and adopt traditional gilding technology compare can be completely alternative; Design hot stamping effects pattern once completes in recombination process, and simplify traditional gold stamping operation, and make final finished quality more stable, totle drilling cost reduces; Simultaneously owing to there is no high temperature and pressure to the impact of radium raster pattern, the gloss of hologram pattern, effect, resolution ratio are improved all greatly, thus entirety improve gloss and the anti-counterfeiting power of printed matter.

Technical scheme of the present invention is: oneplant the preparation method of the holography shifting film of replacing holographic gold stamping, it is characterized in that: comprise the steps:

(1) coating machine adopts intaglio plate roller coat coating machine, and coat in PET film by having release and imaging function in the transfer coatings of one, dry-coated amount is at 0.8 ~ 1.6g/m 2between, baking and curing;

(2) on moulding press, electrotyping mold pressing is carried out, by the hologram pattern transfer replication on electrotyping in imaging coating;

(3) carry out vacuum aluminum-coated, aluminum layer thickness is 15 ~ 60nm, can adjust accordingly, make aluminizer according to actual requirement;

(4) on gravure coater, aluminium protection ink is washed in coating, carries out intaglio printing by the gold stamping pattern roller of design, coating protection ink, baking and curing;

(5) in aluminium washing machine, embathe with buck, the blank parts aluminium lamination of uncoated protective layer ink is washed off, and be coated with the protection position of ink and gold stamping pattern part is retained, then carry out cleaning, drying, obtain washing aluminium film;

(6) on coating machine, this is washed to aluminium film and adds and be coated with one deck delustring gloss oil, the hologram pattern that namely hollow out position washes aluminium lamination position off is disappeared, namely obtains holography shifting film;

(7) on compounding machine, adopt compound adhesive that holography shifting film obtained in the previous step and paper are carried out compound;

(8) adopt stripping machine PET film to be peeled off, the obtained transfer paper having gold stamping pattern and chromatography contraposition cursor line, the PET film after stripping can be reused;

(9) print in transfer paper, namely make the printed matter that printed matter that effect and gilding technology make is suitable.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, is characterized in that: the applicator roll that coating machine described in step (1) adopts is electric carving roller or ceramic roller, and order number is 120 ~ 250 orders.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, is characterized in that: the PET film BOPP film described in step (1) or NY film substitute.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, it is characterized in that: the transfer coatings described in step (1) adopts and is first coated with one deck releasing layer coating, be coated with one deck imaging layer paint replacement again, its color can adopt following color: clear, colorless, gold, yellow, redness, green, orange, blue or purple.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, it is characterized in that: the hologram pattern described in step (2) is plain grating, light beam, random version, logical version, location are scalded, or drawing pattern, CD line pattern, or without any pattern.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, is characterized in that: vacuum aluminum-coatedly in step (3) carry out in take-up type vacuum aluminum-spraying machine.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, is characterized in that: in step (7), compound adhesive adopts water-base cement, solvent-borne type glue.

The preparation method of the holography shifting film of replacing holographic gold stamping as above, is characterized in that: adopt offset printing or gravure in step (9), screen printing technique prints in transfer paper.

The invention has the beneficial effects as follows: the present invention guarantee to design bronzing effect pattern part final effect and adopt traditional gold stamping and holographic thermoprinted technique to compare can be completely alternative, and than the gold stamping hologram pattern also with better gloss brightness and excellence; The bronzing effect pattern of design once completes in printing recombination process, simpler than gold stamping operation, higher than gold stamping efficiency, and final finished quality is more stable, and fraction defective is low, and greatly reduces energy consumption, thus totle drilling cost is reduced greatly; Simultaneously also owing to not having pressure of hot stamping to damage hologram pattern, thus the information of hologram pattern is preserved complete, and whole pattern is more bright splendid, thus improves difficulty of reproduction, enhances false proof effect.

The patent of publication number CN1760043A have also been invented a kind of can replacing gold stamping wash aluminium transfer membrane, but this invention can only substitute comparatively traditional gilding technology, the hot stamping process with hologram pattern can not be substituted, and the most key be that the hologram pattern of hollow out position after washing aluminium is as what is the need fallen in this invention also without any description.Therefore the present invention is compared with CN1760043A, expand the range of application of transfer membrane replacing gold stamping technique, energy is replacing holographic thermoprint technology well, not only can be applied to printing packaging field, also anti-counterfeit field can be applied to, preferably resolve the problem that after washing aluminium, white space holographic laser pattern is covered simultaneously, there is originality and novelty.

Detailed description of the invention

Below in conjunction with embodiment, the present invention is described further.

The preparation method of the holography shifting film of embodiment of the present invention replacing holographic gold stamping comprises the steps:

1, coating machine adopts intaglio plate roller coat coating machine, applicator roll can be electric carving roller or ceramic roller, order number about 120 ~ 250 orders, by have the release and imaging function transfer coatings in one coat specify wide cut PET film on, dry-coated amount is at 0.8 ~ 1.6g/m 2between, baking and curing;

2, on moulding press, electrotyping mold pressing is carried out, by the hologram pattern transfer replication on electrotyping in imaging coating;

3, carry out vacuum aluminum-coated in take-up type vacuum aluminum-spraying machine, aluminum layer thickness, generally at about 15 ~ 60nm, can adjust accordingly according to actual requirement, make aluminizer;

4, on gravure coater, aluminium protection ink is washed in coating, carries out intaglio printing by the gold stamping pattern roller of design, coating protection ink, baking and curing.

5, in aluminium washing machine, embathe with buck, the blank parts aluminium lamination of uncoated protective layer ink is washed off, and be coated with the protection position of ink and gold stamping pattern part is retained, then carry out cleaning, drying, obtain washing aluminium film;

6, for holographic anodized aluminium films such as grating, light beam, random versions, because its laser pattern after washing aluminium still exists, laser pattern can not be washed off after namely washing aluminium, be thus also transferred on paper transferring to laser pattern after on paper, this is unallowed simultaneously.Therefore, coating machine is washed aluminium film and added this and be coated with one deck delustring gloss oil, hologram pattern is disappeared, obtains holography shifting film; And do not affect gloss and the appearance of divert film at all;

7, on compounding machine, adopt compound adhesive that holography shifting film obtained in the previous step and paper are carried out compound, this technique is technique known in industry, and compound adhesive is also various glue known in industry;

8, adopt stripping machine PET film to be peeled off, the obtained transfer paper having gold stamping pattern and chromatography contraposition cursor line, the PET film after stripping can be reused;

9, adopt offset printing or the technology such as gravure, serigraphy to print in transfer paper, namely make the printed matter that printed matter that effect and gilding technology make is suitable.

Wherein said PET film can have different-thickness, and such as, from 12 ~ 20 μ, PET film also can substitute with BOPP film conventional in industry or NY film; Wherein said transfer coatings has function that is release and imaging simultaneously, can adopt and first be coated with the release coating of one deck, be coated with one deck paint for imaging again, but both wasted also cost of idleness in man-hour like this, this transfer coatings can adopt clear, colorless, gold, redness, green, yellow, yellow, orange etc. different colours; Compound adhesive can adopt water-base cement, solvent-borne type glue, one-component or two component, be all compound adhesive known in industry, mode of printing after stripping can be the different printing modes such as offset printing, gravure, serigraphy, can design according to the performance of transfer membrane coating, the film after stripping can be reused.

Embodiment one

1, coating machine adopts intaglio plate roller coat coating machine, and applicator roll is 180 order ceramic rollers, and by having the release and imaging function transparent transfer coatings in one, to coat thickness be that in 15 μ PET film, dry-coated amount is at 1.2g/m 2, baking and curing;

2, on seamless moulding press, the mold pressing of vegetarian noodles electrotyping is carried out, by the hologram pattern transfer replication on electrotyping in imaging coating;

3, carry out vacuum aluminum-coated in take-up type vacuum aluminum-spraying machine, aluminum layer thickness, generally at about 40nm, makes aluminizer;

4, on gravure coater, aluminium protection ink is washed in coating, carries out intaglio printing by the gold stamping pattern roller of design, coating protection ink, baking and curing.

5, in aluminium washing machine, embathe with buck, the blank parts aluminium lamination of uncoated protective layer ink is washed off, and be coated with the protection position of ink and gold stamping pattern part is retained, then carry out cleaning, drying, obtain washing aluminium film;

6, on coating machine, add painting one deck delustring gloss oil, the hologram pattern of hollow out is disappeared;

7, on compounding machine, adopt compound adhesive that transfer membrane and paper are carried out compound, compound adhesive is water-base cement;

8, adopt stripping machine PET film to be peeled off, the obtained transfer paper having gold stamping pattern and chromatography contraposition cursor line, the PET film after stripping can be reused;

9, adopt gravure techniques to print in transfer paper, namely make the printed matter that printed matter that effect and gilding technology make is suitable.

Embodiment two

1, coating machine adopts intaglio plate roller coat coating machine, and applicator roll adopts 150 object ceramic rollers, and coat having release and imaging function in the PET film that thickness is 19 μ in the transfer coatings of one, dry-coated amount is at 1.05g/m 2left and right, baking and curing;

2, the mold pressing of light beam electrotyping is carried out, by the hologram pattern transfer replication on electrotyping in imaging coating having on edition slit die press;

3, carry out vacuum aluminum-coated in take-up type vacuum aluminum-spraying machine, aluminum layer thickness, at about 25nm, makes aluminizer;

4, on gravure coater, aluminium protection ink is washed in coating, carries out intaglio printing by the gold stamping pattern roller of design, coating protection ink, baking and curing.

5, in aluminium washing machine, embathe with buck, the blank parts aluminium lamination of uncoated protective layer ink is washed off, and be coated with the protection position of ink and gold stamping pattern part is retained, then carry out cleaning, drying, obtain washing aluminium film;

6, on coating machine, this is washed to aluminium film and adds and be coated with one deck delustring gloss oil, the hologram pattern of hollow out is disappeared;

7, on compounding machine, adopt compound adhesive that transfer membrane and paper are carried out compound, compound adhesive is solvent-borne type glue;

8, adopt stripping machine PET film to be peeled off, the obtained transfer paper having gold stamping pattern and chromatography contraposition cursor line, the PET film after stripping can be reused;

9, adopt offset printing to print in transfer paper, namely make the printed matter that printed matter that effect and gilding technology make is suitable.

Claims (8)

1. oneplant the preparation method of the holography shifting film of replacing holographic gold stamping, it is characterized in that: comprise the steps:
(1) coating machine adopts intaglio plate roller coat coating machine, and coat in PET film by having release and imaging function in the transfer coatings of one, dry-coated amount is at 0.8 ~ 1.6g/m 2between, baking and curing;
(2) on moulding press, electrotyping mold pressing is carried out, by the hologram pattern transfer replication on electrotyping in imaging coating;
(3) carry out vacuum aluminum-coated, aluminum layer thickness is 15 ~ 60nm, can adjust accordingly, make aluminizer according to actual requirement;
(4) on gravure coater, aluminium protection ink is washed in coating, carries out intaglio printing by the gold stamping pattern roller of design, coating protection ink, baking and curing;
(5) in aluminium washing machine, embathe with buck, the blank parts aluminium lamination of uncoated protective layer ink is washed off, and be coated with the protection position of ink and gold stamping pattern part is retained, then carry out cleaning, drying, obtain washing aluminium film;
(6) on coating machine, this is washed to aluminium film and adds and be coated with one deck delustring gloss oil, the hologram pattern that namely hollow out position washes aluminium lamination position off is disappeared, namely obtains holography shifting film;
(7) on compounding machine, adopt compound adhesive that holography shifting film obtained in the previous step and paper are carried out compound;
(8) adopt stripping machine PET film to be peeled off, the obtained transfer paper having gold stamping pattern and chromatography contraposition cursor line, the PET film after stripping can be reused;
(9) print in transfer paper, namely make the printed matter that printed matter that effect and gilding technology make is suitable.
2. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, is characterized in that: the applicator roll that coating machine described in step (1) adopts is electric carving roller or ceramic roller, and order number is 120 ~ 250 orders.
3. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, is characterized in that: the PET film BOPP film described in step (1) or NY film substitute.
4. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, it is characterized in that: the transfer coatings described in step (1) adopts and is first coated with one deck releasing layer coating, be coated with one deck imaging layer paint replacement again, its color can adopt following color: clear, colorless, gold, yellow, redness, green, orange, blue or purple.
5. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, it is characterized in that: the hologram pattern described in step (2) is plain grating, light beam, random version, logical version, location are scalded, or drawing pattern, CD line pattern, or without any pattern.
6. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, is characterized in that: vacuum aluminum-coatedly in step (3) carry out in take-up type vacuum aluminum-spraying machine.
7. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, is characterized in that: in step (7), compound adhesive adopts water-base cement, solvent-borne type glue.
8. the preparation method of the holography shifting film of replacing holographic gold stamping according to claim 1, is characterized in that: adopt offset printing or gravure in step (9), screen printing technique prints in transfer paper.
CN201010550999.9A 2010-11-12 2010-11-12 Preparation method of holographic transfer film for replacing holographic gold stamping CN102463757B (en)

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