CN110722911A - Hot stamping film for digital printer and preparation method thereof - Google Patents
Hot stamping film for digital printer and preparation method thereof Download PDFInfo
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- CN110722911A CN110722911A CN201910866777.9A CN201910866777A CN110722911A CN 110722911 A CN110722911 A CN 110722911A CN 201910866777 A CN201910866777 A CN 201910866777A CN 110722911 A CN110722911 A CN 110722911A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1729—Hot stamping techniques
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09D161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2461/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08J2461/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the technical field of hot stamping films, in particular to a hot stamping film for a digital printer and a preparation method thereof. The hot stamping film for the digital printer comprises a PET hot stamping base material, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged; wherein the laserable resin layer comprises hydroxyl-containing acrylic resin, melamine formaldehyde resin, ester solvent and ketone chemical. The glue layer comprises acrylic acid modified resin, dimethylbenzene, an ester solvent and silicon dioxide powder. The release layer is OP wax, and further has the advantage of lower peeling force. The laser-assisted resin layer can resist temperature of more than 150 ℃. The hot stamping film for the digital printing machine can resist high temperature and can be used for stamping different patterns without replacing a gold stamping plate. The preparation method of the hot stamping film for the digital printer has the characteristics of simple process, low production cost and suitability for large-scale production.
Description
Technical Field
The invention relates to the technical field of hot stamping films, in particular to a hot stamping film for a digital printer and a preparation method thereof.
Background
In the prior art, hot stamping is generally performed in a flat pressing mode, a round pressing mode or a round pressing mode, however, the hot stamping modes are basically only capable of hot stamping a single piece of hot stamping object or a thin cylinder-type hot stamping object, and different hot stamping plates need to be replaced if different patterns need to be hot stamped in the production process, so that the time for replacing the hot stamping plates is also long.
In addition, on one hand, the manufacturing time of the bronzing plate is longer, and on the other hand, the bronzing plate needs to be manufactured again after the bronzing plate is worn for a period of time after being produced.
In addition, the temperature resistance of the hot stamping film which can be printed in the prior art is generally 90-130 ℃, and the 130 ℃ can not meet the market demand because the base material which is hot stamped by the digital printer is wide.
Disclosure of Invention
One of the objectives of the present invention is to provide a hot stamping film for a digital printer, which is not only resistant to high temperature but also capable of stamping, and can be used for hot stamping different patterns without replacing a hot stamping plate.
The second purpose of the present invention is to provide a method for preparing a hot stamping film for a digital printer, which is directed to the deficiency of the prior art.
In order to achieve one of the purposes, the invention adopts the following technical scheme:
the hot stamping film for the digital printer comprises a PET hot stamping base material, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged;
wherein the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
the release layer is OP wax.
Preferably, the laserable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
more preferably, the laserable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
the ester solvent is one or a combination of ethyl acetate and ethyl propionate.
The ketone chemical is one or a composition of more than two of butanone, acetone or acetone.
In order to achieve the second purpose, the invention adopts the following technical scheme:
the preparation method of the hot stamping film for the digital printer comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for a certain time to obtain a composition capable of being used as a laser resin layer;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for a certain time to obtain a coating, then adding silicon dioxide powder in a formula amount into the coating, and stirring for a certain time to obtain a glue layer composition;
step three, preparing a blanching film: coating OP wax on a PET hot stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, plating aluminum on the laser information layer through an evaporation plating machine to form an aluminum plating layer, coating the composition of the glue layer prepared in the second step on the aluminum plating layer, and drying to form a glue layer to obtain the hot stamping film for the digital printing machine.
In the above technical scheme, in the first step, the stirring time is 30min to 40 min; the composition of the laserable resin layer has a solid content of 16% to 18% and a viscosity of 9.5sec to 13.5 sec.
In the technical scheme, in the second step, the dimethylbenzene and the ester solvent in the formula amount are added into the acrylic acid modified resin in the formula amount, the mixture is stirred for 20-30 min to obtain the coating, then the silicon dioxide powder in the formula amount is added into the coating, and the mixture is stirred for 30-40 min to obtain the composition of the glue layer;
the solid content of the composition of the glue layer is 21-23%, and the viscosity is 24.5-28.5 sec.
In the above technical scheme, in the third step, OP wax is coated on a PET gold stamping substrate to form a release layer, then the composition of the laser resin layer prepared in the first step is coated on the release layer, the laser resin layer is formed after drying at 170-180 ℃, then the laser information layer of the required pattern is imprinted on the laser resin layer through a molding press, then aluminum is plated on the laser information layer through an evaporation plating machine to form an aluminum plated layer, then the composition of the glue layer prepared in the second step is coated on the aluminum plated layer, and the glue layer is formed after drying at 120-130 ℃, thus obtaining the hot stamping film for the digital printing machine.
In the above technical solution, in the third step, the thickness of the aluminum plating layer is
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a hot stamping film for a digital printer, which comprises a PET hot stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer, wherein the PET hot stamping substrate, the release layer, the laser resin layer, the laser information layer, the aluminum plating layer and the glue layer are sequentially arranged; wherein the laserable resin layer comprises hydroxyl-containing acrylic resin, melamine formaldehyde resin, ester solvent and ketone chemical. The glue layer comprises acrylic acid modified resin, dimethylbenzene, an ester solvent and silicon dioxide powder. The release layer is OP wax, and further has the advantage of lower peeling force. The laser resin layer can resist temperature over 150 deg.c (the hot film is suspended in oven and no surface color is formed at 150 deg.c). In addition, the acrylic acid modified resin in the glue layer has good hot stamping performance, the silicon dioxide powder can prevent glue from being adhered to the back surface of the PET hot stamping substrate when the hot stamping film is rolled into a roll shape, the hot stamping section is more delicate, the content of the silicon dioxide powder cannot exceed 4%, the bonding fastness of the hot stamping film between hot stamping objects can be influenced after the hot stamping film exceeds the content of the silicon dioxide powder, and the adaptability of the glue layer is wider.
(2) The invention provides a hot stamping film for a digital printer, which can ensure that the heat resistance is increased from 130 ℃ to 150 ℃ by adjusting the formula of a laser resin layer, and simultaneously the power of a heating group of a molding press is adjusted from 24 watts to 36 watts, thereby ensuring that the film can resist high temperature and can be used for stamping different patterns without manufacturing a gold stamping plate or replacing the gold stamping plate, and only needs to be designed in a computer. Besides the traditional paper bearing, the paper can also be stamped with materials such as leather, acrylic, wood plates and the like.
(3) The preparation method of the hot stamping film for the digital printer has the characteristics of simple process, low production cost and suitability for large-scale production.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1.
A hot stamping film for a digital printer comprises a PET hot stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged;
wherein, the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
wherein the release layer is OP wax.
In this example, the ester solvent is ethyl acetate.
In this example, the ketone chemical is butanone.
The preparation method of the blanching film for the digital printer comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for 35min to obtain a composition capable of being used as a laser resin layer; wherein the composition of the laserable resin layer has a solid content of 17% and a viscosity of 11.5 sec;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for 25min to obtain a coating, then adding silicon dioxide powder in a formula amount into the coating, and stirring for 35min to obtain a composition of a glue layer; wherein the composition of the glue layer has a solid content of 20% and a viscosity of 26.5 sec;
step three, preparing a blanching film: coating OP wax on a PET (polyethylene terephthalate) gold stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying at 175 ℃ to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, aluminizing the laser information layer through an evaporation plating machine to form an aluminized layer, coating the composition of the glue layer prepared in the second step on the aluminized layer, and drying at 125 ℃ to form a glue layer to obtain the hot stamping film for the digital printing machine. Wherein the thickness of the aluminum plating layer is
Example 2.
A hot stamping film for a digital printer comprises a PET hot stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged;
wherein, the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
wherein the release layer is OP wax.
In this example, the ester solvent is ethyl propionate.
In this example, the ketone chemical is acetone.
The preparation method of the blanching film for the digital printer comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for 30min to obtain a composition capable of being used as a laser resin layer; wherein the composition of the laserable resin layer has a solid content of 16% and a viscosity of 9.5 sec;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for 20min to obtain a coating, then adding silicon dioxide powder in a formula amount into the coating, and stirring for 30min to obtain a composition of a glue layer; wherein the composition of the glue layer has a solid content of 21% and a viscosity of 24.5 sec;
step three, preparing a blanching film: coating OP wax on a PET (polyethylene terephthalate) gold stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying at 170 ℃ to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, aluminizing the laser information layer through an evaporation plating machine to form an aluminized layer, coating the composition of the glue layer prepared in the second step on the aluminized layer, and drying at 120 ℃ to form a glue layer to obtain the hot stamping film for the digital printing machine. Wherein the thickness of the aluminum plating layer is
Example 3.
A hot stamping film for a digital printer comprises a PET hot stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged;
wherein, the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
wherein the release layer is OP wax.
In this example, the ester solvent is a combination of ethyl acetate and ethyl propionate.
In this example, the ketone chemical is ethanone.
The preparation method of the blanching film for the digital printer comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for 40min to obtain a composition capable of being used as a laser resin layer; wherein the composition of the laser-applicable resin layer has a solid content of 18% and a viscosity of 13.5 sec;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for 30min to obtain a coating, then adding silicon dioxide powder in a formula amount into the coating, and stirring for 40min to obtain a composition of a glue layer; wherein the composition of the glue layer has a solids content of 23% and a viscosity of 28.5 sec;
step three, preparing a blanching film: coating OP wax on a PET (polyethylene terephthalate) gold stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying at 180 ℃ to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, aluminizing the laser information layer through an evaporation plating machine to form an aluminized layer, coating the composition of the glue layer prepared in the second step on the aluminized layer, and drying at 130 ℃ to form a glue layer to obtain the hot stamping film for the digital printing machine. Wherein the thickness of the aluminum plating layer is
Example 4.
A hot stamping film for a digital printer comprises a PET hot stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged;
wherein, the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
wherein the release layer is OP wax.
In this example, the ester solvent is ethyl acetate.
In this example, the ketone chemical is a combination of butanone and acetone.
The preparation method of the blanching film for the digital printer comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for 32min to obtain a composition capable of being used as a laser resin layer; wherein the composition of the laserable resin layer has a solid content of 16.5% and a viscosity of 10.5 sec;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for 23min to obtain a coating, then adding silicon dioxide powder in a formula amount into the coating, and stirring for 33min to obtain a composition of a glue layer; wherein the composition of the glue layer has a solids content of 21.5% and a viscosity of 25.5 sec;
step three, preparing a blanching film: coating OP wax on a PET (polyethylene terephthalate) gold stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying at 173 ℃ to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, aluminizing the laser information layer through an evaporation coater to form an aluminized layer, coating the composition of the glue layer prepared in the second step on the aluminized layer, and drying at 123 ℃ to form a glue layer to obtain the hot stamping film for the digital printing machine. Wherein the thickness of the aluminum plating layer is
Example 5.
A hot stamping film for a digital printer comprises a PET hot stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are sequentially arranged;
wherein, the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
wherein the release layer is OP wax.
In this example, the ester solvent is ethyl propionate.
In this example, the ketone chemical is a combination of butanone, acetone, and ethanone.
The preparation method of the blanching film for the digital printer comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for 38min to obtain a composition capable of being used as a laser resin layer; wherein the composition of the laserable resin layer has a solid content of 17.5% and a viscosity of 12.5 sec;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for 28min to obtain a coating, then adding silicon dioxide powder in the formula amount into the coating, and stirring for 38min to obtain a composition of a glue layer; wherein the composition of the glue layer has a solids content of 22.5% and a viscosity of 27.5 sec;
step three, preparing a blanching film: coating OP wax on a PET (polyethylene terephthalate) gold stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying at 178 ℃ to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, aluminizing the laser information layer through an evaporation plating machine to form an aluminized layer, coating the composition of the glue layer prepared in the second step on the aluminized layer, and drying at 128 ℃ to form a glue layer to obtain the hot stamping film for the digital printing machine. Wherein the thickness of the aluminum plating layer is
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a heat scalds membrane for digital printer which characterized in that: comprises a PET gold stamping substrate, a release layer, a laser resin layer, a laser information layer, an aluminum plating layer and a glue layer which are arranged in sequence;
wherein the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
the release layer is OP wax.
2. The heat sealing film for digital printing machine according to claim 1, wherein: the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
3. the heat sealing film for digital printing machine according to claim 1, wherein: the laser-applicable resin layer comprises the following components in percentage by weight:
the glue layer comprises the following components in percentage by weight:
4. the heat sealing film for digital printing machine according to claim 1, wherein: the ester solvent is one or a combination of ethyl acetate and ethyl propionate.
5. The heat sealing film for digital printing machine according to claim 1, wherein: the ketone chemical is one or a composition of more than two of butanone, acetone or acetone.
6. The method for preparing a thermo-printing film for a digital printer according to any one of claims 1 to 5, wherein: it comprises the following steps:
first, preparation of a composition of a laserable resin layer: mixing hydroxyl-containing acrylic resin and melamine formaldehyde resin according to the formula, adding ester solvent and ketone chemical according to the formula, and stirring for a certain time to obtain a composition capable of being used as a laser resin layer;
second, preparation of the composition of the glue layer: adding dimethylbenzene and an ester solvent in a formula amount into acrylic acid modified resin in a formula amount, stirring for a certain time to obtain a coating, then adding silicon dioxide powder in a formula amount into the coating, and stirring for a certain time to obtain a glue layer composition;
step three, preparing a blanching film: coating OP wax on a PET hot stamping substrate to form a release layer, coating the composition of the laser resin layer prepared in the first step on the release layer, drying to form a laser resin layer, stamping the laser information layer with a required pattern on the laser resin layer through a mould press, plating aluminum on the laser information layer through an evaporation plating machine to form an aluminum plating layer, coating the composition of the glue layer prepared in the second step on the aluminum plating layer, and drying to form a glue layer to obtain the hot stamping film for the digital printing machine.
7. The method for preparing a thermo-printing film for a digital printer according to claim 6, wherein: in the first step, the stirring time is 30-40 min; the composition of the laserable resin layer has a solid content of 16% to 18% and a viscosity of 9.5sec to 13.5 sec.
8. The method for preparing a thermo-printing film for a digital printer according to claim 6, wherein: in the second step, adding dimethylbenzene and an ester solvent with the formula amount into acrylic acid modified resin with the formula amount, stirring for 20-30 min to obtain a coating, then adding silicon dioxide powder with the formula amount into the coating, and stirring for 30-40 min to obtain a composition of a glue layer;
the solid content of the composition of the glue layer is 21-23%, and the viscosity is 24.5-28.5 sec.
9. The method for preparing a thermo-printing film for a digital printer according to claim 6, wherein: and in the third step, coating OP wax on the PET hot stamping substrate to form a release layer, then coating the composition of the laser resin layer prepared in the first step on the release layer, drying at 170-180 ℃ to form a laser resin layer, then stamping the laser information layer with the required pattern on the laser resin layer through a mould press, then plating aluminum on the laser information layer through an evaporation plating machine to form an aluminum plating layer, coating the composition of the glue layer prepared in the second step on the aluminum plating layer, and drying at 120-130 ℃ to form a glue layer, thus obtaining the hot stamping film for the digital printing machine.
10. The method for preparing a thermo-printing film for a digital printer according to claim 6, wherein: in the third step, the thickness of the aluminum plating layer is
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| CN110023443A (en) * | 2016-12-02 | 2019-07-16 | 三菱化学株式会社 | Sticker resin combination and adhesive sheet |
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| CN109532132A (en) * | 2018-12-18 | 2019-03-29 | 东莞光群雷射科技有限公司 | One kind can scrape electrochemical aluminized coating and its preparation method and application |
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