阅读说明：本技术 全息激光镭射信息低温烤花产品及其制备方法 (Holographic laser information low-temperature decoration firing product and preparation method thereof ) 是由 巩杰 张钦永 巩坤 荆浩 张传东 赵波 王晓艺 于 2021-09-14 设计创作，主要内容包括：本发明涉及全息激光镭射信息低温烤花产品及其制备方法,包括由上到下依次叠放布置的可撕膜层、面油层、信息层、激光镭射层、水溶胶层以及纸基层。本发明将全息激光镭射防伪技术、数码信息防伪技术与烤花纸产品结合,通过低温烘烤的方式,使激光镭射全息图案及数码信息与玻璃、陶瓷等制品紧密的结合在一起,增加防伪等级。(The invention relates to a holographic laser information low-temperature decoration firing product and a preparation method thereof. The invention combines the holographic laser anti-counterfeiting technology and the digital information anti-counterfeiting technology with the baked stained paper product, and the laser holographic patterns and the digital information are tightly combined with products such as glass, ceramics and the like in a low-temperature baking mode, thereby increasing the anti-counterfeiting grade.)

1. Holographic laser information low temperature decoration firing product, its characterized in that:

the laser film comprises a tearable film layer (1), a surface oil layer (2), an information layer (3), a laser layer (4), a hydrosol layer (5) and a paper base layer (6) which are sequentially stacked from top to bottom.

2. The holographic laser information low-temperature decoration firing product of claim 1, wherein:

and laser patterns for positioning the special plate are arranged on the laser layer (4).

3. The holographic laser information low-temperature decoration firing product of claim 1 or 2, wherein:

the information layer (3) is provided with a bar code, a black two-dimensional code, a color two-dimensional code, a WeChat code, a DM code or a combination of two or more information codes.

4. The holographic laser information low-temperature decoration firing product of claim 3, wherein:

the surface oil layer (2) adopts surface oil with high solvent resistance.

5. The method for preparing the holographic laser information low-temperature decoration firing product according to claim 4, characterized by comprising the following steps:

A. coating a hydrosol layer (5) on the paper base layer (6);

B. after the coating of the hydrosol layer is finished, printing black balance strips on paper materials by using a roll-to-roll printing machine, identifying the black balance strips by using a roll-to-roll screen printing machine, and performing positioning printing of gold stamping base oil, wherein printing patterns of the gold stamping base oil can be printed with fine lines or solid patterns as required, and the positioning precision is less than or equal to 0.2 mm. The gold stamping base oil is UV printing ink and can be dried instantly, so that printed patterns have no burrs and are not anti-sticky after being rolled;

C. placing the holographic laser transfer film on a unreeling shaft of a roller ironing machine, wherein the rolling temperature is 80-110 ℃, the vehicle speed is 15-30 m/min, and the pressure is 0.1MPa, realizing the roll-to-roll transfer of the holographic laser transfer film through the roller ironing machine, and carrying out secondary roll-to-roll overprinting roller ironing on a positioning pattern on the holographic laser transfer film and base oil printed on paper in the transfer process to realize the positioning transfer function of the holographic laser effect;

D. printing an information layer (3) on a laser layer (4) through a roll-to-roll nesting spray printing process, identifying balance strips and cursors transferred by a holographic laser film in a roll ironing process in the spray printing process, and performing secondary nesting spray printing with the spray printing precision being less than or equal to 0.2 mm;

E. printing a surface oil layer on the information layer by a silk-screen printing process;

F. and printing the tearable membrane layer (1) on the surface oil layer by a silk-screen printing process.

6. The method for preparing the holographic laser information low-temperature decoration firing product according to claim 5, wherein the method comprises the following steps:

the weight of the paper base layer (6) is m, and is not less than 150 g/square meter and not more than 200 g/square meter.

7. The method for preparing the holographic laser information low-temperature decoration firing product according to claim 5, wherein the method comprises the following steps:

the method for manufacturing the holographic laser transfer film comprises the following steps:

A. coating: the coating is carried out in two times,

coating for the first time: imaging layer coating was performed using a 12 μm pet film using LW7007A coating, 22% solids, with ethanol: diluting with a diluent with the water ratio of 2:1, and coating by using an electric carving roller with the wet coating amount of 5-6 g/square meter, wherein the coating dry amount is controlled to be about 0.6 g/square meter, the drying effect is 93-99 ℃, and the vehicle speed is 90-100 m/min;

and (3) second coating: color layer SW6005A, containing 22% solids, washed with ethanol: diluting with a diluent with the water ratio of 2:1, and coating by using an electric carving roller with the wet coating amount of 5-6 g/square meter, wherein the coating dry amount is controlled to be about 0.8 g/square meter, the drying effect is 93-99 ℃, and the vehicle speed is 90-100 m/min;

B. die pressing: carrying out die pressing by using a hard press, wherein the die pressing temperature is 130-160 ℃, the pressure is 0.3MPa, the vehicle speed is 30m/min, and in order to realize the secondary accurate overprinting function of the laser effect in the die pressing process, the balance bar and the cursor are molded together;

C. printing and brushing aluminum ink: printing water-based aluminum washing ink by using a gravure printing machine, wherein the viscosity of the water-based aluminum washing ink is 21s, and performing fine secondary register printing according to the die-pressed holographic pattern;

D. aluminum plating: aluminizing by adopting a vacuum evaporation mode, wherein the aluminizing square resistance value is 0.6 omega, and the purity of an aluminized aluminum wire is 99.99 percent;

E. and (3) washing aluminum: washing aluminum by adopting a water washing mode, wherein the speed of the water washing is 25 m/min;

F. coating back glue: the gum adopts washing gum 4002, and the oven temperature: 70-90-115-120-90 ℃, and the vehicle speed is 90-100 m/min;

G. slitting: and cutting into required sizes by using a splitting machine.

8. The method for preparing the holographic laser information low-temperature decoration firing product according to claim 5, wherein the method comprises the following steps:

the registration accuracy of the registration jet printing of the information layer (3) is +/-0.2 mm.

9. The method for preparing the holographic laser information low-temperature decoration firing product according to the claim 5, the claim 6 or the claim 7, characterized in that:

and printing the surface oil layer (2) by using a single-sheet screen printing machine, and after printing the surface oil layer (2), naturally airing and drying the surface oil layer on an airing rack.

10. The method for preparing the holographic laser information low-temperature decoration firing product according to the claim 5, the claim 6 or the claim 7, characterized in that:

the tearable film layer (1) is printed by single sheet, and is placed on an airing rack for airing and drying naturally after printing is finished, and the thickness of the tearable film layer (1) is more than or equal to 20 mu m.

Technical Field

The invention belongs to the technical field of anti-counterfeiting, and particularly relates to a holographic laser information low-temperature decoration firing product and a preparation method thereof.

Background

The decoration paper is a decoration process of printing pattern on special paper with water soluble glue, soaking in water to moisten, and transferring and adhering to the surface of article, and is mainly used for decoration of irregular surface of ceramic, glass, sports equipment (helmet, racket, etc.), metal, wooden ware, etc.

The traditional decal paper consists of a bottom layer of base paper (also called paper base), a middle layer of sol and surface cover oil. The information layer is added in the middle of the baking stained paper made by a certain manufacturer, but the information contained in the information layer is simple, such as two-dimensional codes, bar codes and the like, and the anti-counterfeiting grade is low.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the invention overcomes the defects of the prior art and provides a holographic laser information low-temperature decoration firing product and a preparation method thereof.

The technical scheme adopted by the invention for solving the problems in the prior art is as follows:

holographic laser information low temperature decoration firing product includes by last to stacking in proper order under can tearing rete, face oil layer, information layer, laser layer, hydrosol layer and the paper substrate layer of arranging.

Preferably, the laser layer is provided with a laser pattern for positioning a special plate.

Preferably, the information layer is provided with a bar code, a black two-dimensional code, a color two-dimensional code, a WeChat code, a DM code or a combination of two or more information codes.

Preferably, the surface oil layer adopts surface oil with high solvent resistance.

The preparation method of the holographic laser information low-temperature decoration firing product comprises the following steps:

A. and coating a hydrosol layer on the paper base layer.

B. After the coating of the hydrosol layer is finished, printing black balance strips on paper materials by using a roll-to-roll printing machine, identifying the black balance strips by using a roll-to-roll screen printing machine, and performing positioning printing of gold stamping base oil, wherein printing patterns of the gold stamping base oil can be printed with fine lines or solid patterns as required, and the positioning precision is less than or equal to 0.2 mm. The gold stamping base oil is UV printing ink and can be dried instantly, so that printed patterns have no burrs and are not anti-sticky after being rolled.

C. The holographic laser transfer film is placed on a unreeling shaft of a roller ironing machine, the rolling temperature is 80-110 ℃, the vehicle speed is 15-30 m/min, and the pressure is 0.1MPa, the roll-to-roll transfer of the holographic laser transfer film is realized through the roller ironing machine, the positioning pattern on the holographic laser film and the base oil printed on the paper material are subjected to secondary roll-to-roll overprinting roller ironing in the transfer process, and the positioning transfer function of the holographic laser effect is realized.

D. Printing an information layer on a laser layer by a roll-to-roll nesting spray printing process, identifying a balance strip and a cursor transferred from a holographic laser film in a roll ironing process in the spray printing process, and performing secondary nesting spray printing with the spray printing precision being less than or equal to 0.2 mm;

E. printing a surface oil layer on the information layer by a silk-screen printing process;

F. and printing the tearable film layer on the surface oil layer by a silk-screen printing process.

Preferably, the weight of the paper base layer is m, and the weight of the paper base layer is not less than 150 g/square meter and not more than 200 g/square meter.

Preferably, the method for manufacturing the holographic laser transfer film comprises the following steps:

A. coating: the coating is carried out in two times,

coating for the first time: imaging layer coating was performed using a 12 μm pet film using LW7007A coating, 22% solids, with ethanol: diluting with a diluent with the water ratio of 2:1, and coating by using an electric carving roller with the wet coating amount of 5-6 g/square meter, wherein the coating dry amount is controlled to be about 0.6 g/square meter, the drying effect is 93-99 ℃, and the vehicle speed is 90-100 m/min;

and (3) second coating: color layer SW6005A, containing 22% solids, washed with ethanol: diluting with a diluent with the water ratio of 2:1, and coating by using an electric carving roller with the wet coating amount of 5-6 g/square meter, wherein the coating dry amount is controlled to be about 0.8 g/square meter, the drying effect is 93-99 ℃, and the vehicle speed is 90-100 m/min;

B. die pressing: carrying out die pressing by using a hard press, wherein the die pressing temperature is 130-160 ℃, the pressure is 0.3MPa, the vehicle speed is 30m/min, and in order to realize the secondary accurate overprinting function of the laser effect in the die pressing process, the balance bar and the cursor are molded together;

C. printing and brushing aluminum ink: printing water-based aluminum washing ink by using a gravure printing machine, wherein the viscosity of the water-based aluminum washing ink is 21s, and performing fine secondary register printing according to the die-pressed holographic pattern;

D. aluminum plating: aluminizing by adopting a vacuum evaporation mode, wherein the aluminizing square resistance value is 0.6 omega, and the purity of an aluminized aluminum wire is 99.99 percent;

E. and (3) washing aluminum: washing aluminum by adopting a water washing mode, wherein the speed of the water washing is 25 m/min;

F. coating back glue: the gum adopts washing gum 4002, and the oven temperature: 70-90-115-120-90 ℃, and the vehicle speed is 90-100 m/min;

G. slitting: and cutting into required sizes by using a splitting machine.

Preferably, the registration accuracy of the information layer registration jet printing is +/-0.2 mm.

Preferably, the surface oil layer is printed by a single-sheet screen printing machine, and after the surface oil layer (2) is printed, the surface oil layer is placed on an airing rack for airing and drying naturally.

Preferably, the tearable membrane layer is printed in a single piece, and is placed on an airing rack for airing and drying naturally after printing is finished, wherein the thickness of the tearable membrane layer is more than or equal to 20 microns.

Compared with the prior art, the invention has the following beneficial effects:

1. identification codes such as two-dimensional codes are arranged on the information layer of the baked stained paper, and the method can be used for anti-counterfeiting and tracing.

2. The scratch resistance of the product after the product is soaked in the wine is improved, and the product cannot be scratched after the wine with the alcoholic strength of 70 percent VOL is soaked for 1 hour.

3. The method is characterized in that a low-temperature decoration firing paper product integrating a holographic laser anti-counterfeiting technology, a digital information technology and a printing anti-counterfeiting technology is manufactured, and anti-counterfeiting and tracing intelligent product management is realized through the decoration firing product.

4. The image-text part of the traditional decoration firing product adopts a single-sheet production mode, and the invention changes the traditional single-sheet production mode into a reel production mode, thereby improving the production efficiency of the product.

5. The special film for holographic laser decoration firing realizes the positioning transfer function in a positioning roller ironing mode, makes the decoration firing paper into a positioning laser effect, and improves the anti-counterfeiting grade and the appearance effect of products.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is an enlarged cross-sectional view of a holographic laser information low-temperature decoration firing product of the present invention.

In the figure: 1-tearable film layer, 2-surface oil layer, 3-information layer, 4-laser layer, 5-hydrosol layer and 6-paper base layer.

Detailed Description

The attached drawings are the best embodiments of the holographic laser information low-temperature decoration firing product and the preparation method thereof, and the invention is further explained in detail by combining the attached drawings.

The holographic laser information low-temperature decoration firing product comprises a tearable film layer 1, a surface oil layer 2, an information layer 3, a laser layer 4, a hydrosol layer 5 and a paper base layer 6 which are sequentially stacked from top to bottom.

The weight of the paper base layer 6 is m, 150 g/square meter is not more than 200 g/square meter, preferably 170 g/square meter.

And the laser layer 4 is provided with laser patterns for positioning a special plate.

The information layer 3 is provided with a bar code, a black two-dimensional code, a color two-dimensional code, a WeChat code, a DM code or a combination of two or more information codes.

The surface oil layer 2 adopts surface oil with high solvent resistance.

The thickness of the tearable film layer 1 is more than or equal to 30 μm. When the thickness of the tearable film layer 1 is less than 30 μm, the rolling phenomenon is likely to occur, and the tearable film layer 1 is not good in tearing, and the thickness of the tearable film layer 1 is preferably 40 μm or 60 μm.

The preparation method of the holographic laser information low-temperature decoration firing product comprises the following steps:

A. the paper substrate 6 is coated with the hydrosol layer 5, and the hydrosol and the coating technology of the hydrosol are the prior art.

B. After the coating of the hydrosol layer is finished, printing black balance strips on paper materials by using a roll-to-roll printing machine, identifying the black balance strips by using a roll-to-roll screen printing machine, and performing positioning printing of gold stamping base oil, wherein printing patterns of the gold stamping base oil can be printed with fine lines or solid patterns as required, and the positioning precision is less than or equal to 0.2 mm. The gold stamping base oil is UV printing ink and can be dried instantly, so that printed patterns have no burrs and are not anti-sticky after being rolled.

C. The holographic laser transfer film is placed on a unreeling shaft of a roll ironing machine, the rolling temperature is 80-110 ℃, the speed is 15-30 m/min, and the pressure is 0.1 MPa. In this embodiment, the ironing temperature is 90 ℃ to 100 ℃. And carrying out secondary roll-to-roll overprinting roller ironing on the positioning pattern on the holographic laser film and the base oil printed on the paper material in the transfer process, thereby realizing the positioning transfer function of the holographic laser effect.

The holographic laser transfer film is transferred roll to roll through a roller ironing machine, information on the holographic laser transfer film is transferred to a paper base layer 6 coated with hydrosol in a positioning mode, namely the information is printed on a hydrosol layer 5, a laser layer 4 is printed on the hydrosol layer 5, and the positioning precision is smaller than or equal to 0.5 mm. The speed of the motor is adjusted according to the surprise degree of the transfer pattern, and when fine stripes are thermoprinted, the speed is 15 m/min-20 m/min.

D. And the information layer 3 is printed on the laser layer 4 through a roll-to-roll nesting spray printing process, secondary nesting spray printing is carried out on a balance strip and a cursor transferred from the holographic laser film in the roll stamping process in the spray printing process, and the spray printing precision is less than or equal to 0.2 mm. UV ink is used in printing, and anti-counterfeiting shading, special ink, fluorescent ink and the like can be added to improve the anti-counterfeiting grade of the product according to the requirements of the product in the printing process. The printing process adopts a roll-to-roll printing mode, the speed is 40m/min-100m/min, 3 groups of UV lamps are started for drying, the corona value is 1000W, and the rolling tension is 100N.

The digital technology in the information layer 3 is realized by an ink-jet mode, the secondary registration precision can be less than or equal to 0.3mm, and the registration precision in the embodiment is +/-0.2 mm. The digital information can be one-dimensional bar codes, black two-dimensional codes, color two-dimensional codes, WeChat codes and DM codes, and the color two-dimensional codes are printed by a digital printing technology. The digital information can be one of a one-dimensional bar code, a black two-dimensional code, a color two-dimensional code, a WeChat code and a DM code, and can also be a combination of two or more information codes.

In order to ensure the adhesion of the information code, an online corona function is used, and the corona value is 400W-1000W. The resolution ratio is 600 × 600dpi, and the secondary registration precision is less than or equal to 0.3 mm.

D. And C, cutting the product obtained in the step B into pieces according to the specification in use, and cutting the pieces into a piece state. And in the sheet breaking process, the cursor is identified to automatically break the sheet, and the deviation of the edge of the paper from the cutting line is controlled to be less than or equal to 0.2 mm.

E. The surface oil layer 2 is printed on the single information layer 3 through the silk-screen printing process, the silk-screen printing mode is adopted, the scratch resistance of the product after being soaked in wine is improved, and the product cannot be scratched after being soaked in wine with the alcoholic strength of 70% VOL for 1 hour.

After finishing printing the surface oil, putting the surface oil on an airing rack for airing naturally, controlling the time to be about 8 hours, and adjusting according to different environmental temperatures and humidity to dry the surface oil thoroughly.

F. And printing the tearable film layer 1 on the surface oil layer 2 by a silk-screen printing process, wherein the mesh number of the silk-screen printing plate is 40-100 meshes, and placing the tearable film layer on an airing rack for naturally airing and drying after printing.

When the holographic laser information low-temperature decoration firing product is used, the decoration firing paper is soaked in water for about 20 seconds, the separated decoration paper is pasted on the surface of an object, the surface water is scraped to be dry by using scraping glue, the decoration firing paper is placed in a ventilation environment for 8 hours, then the tearable film layer 1 is torn off, and the decoration firing paper is dried at the temperature of 150-200 ℃, wherein the preferred drying temperature is 180 ℃, and the drying time is 0.5-1 hour. The decoration firing can be firmly and tightly combined with the pasted object, secondary transfer use is avoided, and the image-text effect is unchanged after the decoration firing.

In the step B, the holographic laser transfer film is manufactured by the following method, and the manufacturing method comprises the following steps:

A. coating: coating is carried out in two times:

coating for the first time: imaging layer coating was performed using a 12 μm pet film using LW7007A coating, 22% solids, with ethanol: diluting with a diluent with the water ratio of 2:1, and coating by using an electric carving roller with the wet coating amount of 5-6 g/square meter, wherein the coating dry amount is controlled to be about 0.6 g/square meter, the drying effect is 93-99 ℃, and the vehicle speed is 90-100 m/min;

and (3) second coating: color layer SW6005A, containing 22% solids, washed with ethanol: diluting with a diluent with the water ratio of 2:1, and coating by using an electric carving roller with the wet coating amount of 5-6 g/square meter, wherein the coating dry amount is controlled to be about 0.8 g/square meter, the drying effect is 93-99 ℃, and the vehicle speed is 90-100 m/min;

B. die pressing: and (3) carrying out die pressing by using a hard press, wherein the die pressing temperature is 130-160 ℃, the pressure is 0.3MPa, and the speed is 30 m/min. In order to realize the secondary accurate overprinting function of the laser effect in the die pressing process, the balance bar and the cursor are molded together.

C. Printing and brushing aluminum ink: printing water-based aluminum washing ink by using a gravure printing machine, wherein the viscosity of the water-based aluminum washing ink is 21s, and performing fine secondary register printing according to the die-pressed holographic pattern;

D. aluminum plating: aluminizing by adopting a vacuum evaporation mode, wherein the aluminizing square resistance value is 0.6 omega, and the purity of an aluminized aluminum wire is 99.99 percent;

E. and (3) washing aluminum: washing aluminum by adopting a water washing mode, wherein the speed of the water washing is 25 m/min;

F. coating back glue: the gum adopts washing gum 4002, and the distribution trend of the inside temperature of the oven is: 70-90-115-120-90 ℃, and the vehicle speed is 90-100 m/min;

G. slitting: and cutting into required sizes by using a splitting machine.

The holographic laser transfer film is produced in a wide-width hard pressing mode, aluminum washing technology is utilized to carry out fine aluminum washing, and in the embodiment, the mold pressing temperature is 150 ℃. The holographic laser transfer film manufacturing method comprises the following steps: coating a high-temperature-resistant polyurethane imaging coating → hard pressing → printing and brushing aluminum ink → aluminizing → aluminum washing → water-based back glue → cutting a finished product, adopting a mode of firstly molding and then aluminizing, and printing and brushing aluminum ink in a gravure positioning printing mode before aluminizing so as to realize the aluminum washing effect. The aluminum washing adopts water-based ink, and the mode is economical and environment-friendly. The imaging coating adopts a resin coating resistant to 260 ℃, can resist high-temperature baking at 200 ℃ for 1h after laser effect hot stamping, does not change color, does not reduce brightness, and does not disappear holographic effect.

The holographic laser transfer film can be transferred by printing gold stamping base oil through a screen printing machine, drying and rolling in a UV drying mode, and then rolling in a heating and pressurizing mode through a special equipment positioning roller ironing machine. In the process, only the part printed with the base oil can be transferred with the laser pattern, the part not printed with the base oil cannot be transferred with the laser pattern, and in order to prevent the reverse sticking of the rolled printing base oil, the mesh number of the anilox roller is 300 meshes, and the vehicle speed is 20-30 m/min.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.