CN114633543A

CN114633543A - Silk screen net film for digital hot-melt plate making and preparation method thereof

Info

Publication number: CN114633543A
Application number: CN202210181706.7A
Authority: CN
Inventors: 刘朝阳; 毋刺梅; 杨路线; 张乃文
Original assignee: Henan Yisida Digital Materials Co ltd
Current assignee: Henan Yisida Digital Materials Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-17

Abstract

The invention discloses a silk screen net film for digital hot melting plate making and a preparation method thereof, which are used for the field of silk screen plate making printing. The preparation method comprises the following steps: coating the BOPET film or the silk screen with an adhesive; laminating the adhesive coated film or screen with the screen or film; and drying and rolling the composite material, coating a slipping agent on one side of the film, and drying and rolling the film to obtain the composite material. According to the invention, the digital information of the plate making is directly printed on the silk screen net film related to the invention in a line scanning manner through the digital hot melting printer for plate making, the plate making speed is high, the process is simple, pollutants such as wastewater and ozone are not generated in the preparation process, photosensitive latex is not used, and the whole preparation process is environment-friendly.

Description

Silk screen net film for digital hot melting plate making and preparation method thereof

Technical Field

The invention relates to the field of silk screen plate making, in particular to a silk screen net film for digital hot melting plate making and a preparation method thereof.

Background

A series of necessary equipment such as silk screen, film, photosensitive latex, exposure equipment, a net flushing water gun and the like are used in the traditional silk screen printing plate making process, the plate making is completed through the processes of gluing, film, exposure, flushing and the like, the process is complex, the plate making time is long, the service cost is high for various and small batches, and the delivery period is long. Pollutants such as waste water, ozone, waste photosensitive latex and the like can be generated in the plate making process, and the environment is not friendly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a silk screen net film for digital hot melting plate making and a preparation method thereof, and aims to solve the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following scheme:

one of the schemes of the invention is to provide a silk screen net film for digital hot melting plate making, which consists of a silk screen, a BOPET film, an adhesive and a slipping agent.

In the screen printing net film for digital hot melting plate making, as a preferred scheme, the screen printing net film is one of a metal net, a polyester net and a nylon net; the mesh number of the silk screen is 60-1500 meshes.

In the screen printing net film for digital hot melting plate making, as a preferred scheme, the thickness of the film is 1.0-5.0 micrometers.

In the screen printing net film for digital hot melting plate making, as a preferred scheme, the adhesive is a material resistant to erosion of screen printing ink;

preferably, the adhesive is one or a mixture of more of epoxy resin, epoxy modified resin, polyacrylate modified resin, polyurethane modified resin, polyester modified resin, polyamide modified resin, EVA resin and EVA modified resin.

In the screen printing net film for digital hot-melting plate making, as a preferred scheme, the slipping agent is an organosilicon material, an organosilicon modified material, a fluororesin or a fluororesin modified material.

The second scheme of the invention provides a preparation method of the silk screen net film for digital hot melting plate making, which comprises the following steps:

(1) coating the BOPET film or screen with an adhesive;

(2) compounding the BOPET film coated with the adhesive with the silk screen, or compounding the silk screen coated with the adhesive with the BOPET film;

(3) drying and rolling the composite material;

(4) coating a slipping agent on one side of the BOPET film, drying and rolling to obtain the BOPET film.

In the method for preparing the silk-screen mesh film for the digital hot-melt plate-making, as a preferred scheme, the preparation of the silk-screen mesh film is carried out on equipment with a raw material unreeling device, a material storage tank, a printing roller, a coating device, a compounding device, a drying box, an exhaust pipe, a traction device and a reeling device.

In the above preparation method of the screen printing mesh film for digital hot-melt plate making, as a preferred scheme, the preparation method comprises the following steps:

(1) placing the raw material silk screen or the BOPET film in a raw material unreeling device, wherein the film is arranged at a position 1, the silk screen is arranged at a position 4 (if the film is arranged at the position 4, the silk screen is arranged at the position 1), and threading silk screen film and BOPET film materials to enable the film and the silk screen to be smoothly attached without wrinkles;

(2) pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using an 80-400-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle and the pressure of a scraper 11 to be proper, and starting a plate roller switch to uniformly coat the adhesive on the gravure plate;

(3) the film is discharged from the position 1 and enters a coating device 2, adhesive is coated on one side of the film, and the film is subjected to meeting and compounding by a compounding device 3 and a silk screen discharged from an unwinding device 4 and then enters a drying box 6 for complete drying;

(4) the water vapor and the VOCs gas generated in the drying box enter an RTO (room temperature oxidation) treatment through an exhaust pipe 10 and are discharged after reaching the environmental protection standard;

(5) rolling the compounded silk screen net film in a rolling device 8 through a traction device 7;

(6) and (3) taking down the silk screen net film from the rolling device 8 and installing the silk screen net film on the rolling device 1, enabling the thin film surface to be downward, not installing the raw materials on the rolling device 4, loosening the rubber roller and the metal roller of the compounding device 3, not pressing, pouring the slipping agent into the storage tank 9, and coating the slipping agent by using a 400-line and 1200-line gravure roller.

In the preparation method of the silk-screen mesh film for the digital hot-melting plate making, as a preferred scheme, the drying temperature is 60-120 ℃.

(III) advantageous effects

Compared with the prior art, the invention provides a silk screen net film for digital hot melting plate making, which has the following beneficial effects:

the invention adopts a computer to design patterns, directly prints the digital information of plate making on the silk screen net film in a line scanning mode through a digital hot melting printer, and has simple plate making method, high speed and high efficiency.

The silk-screen printing plate manufactured by the digital hot melting plate-making machine has clear text and images, the text and the images after silk-screen printing can completely reach the quality of the silk-screen printing plate manufactured by the film and photosensitive latex process, the text and the images of a printed product are clear, and the resolution ratio is obtained or exceeds 300 DPI. Simple preparation process, high speed, low cost and no pollution. The process is simple, pollutants such as wastewater and ozone are not generated in the preparation process, photosensitive latex is not used, and the whole preparation process is environment-friendly.

Drawings

FIG. 1 is a cross-sectional view of a screen printing net film for digital hot-melt plate making according to the present invention;

FIG. 2 is a schematic process flow diagram of the preparation method of the silk screen mesh film for digital hot melting plate making of the present invention.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, for numerical ranges in this disclosure, it is understood that each intervening value, between the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated herein by reference to disclose and describe the methods and/or materials in connection with which the documents are cited. In case of conflict with any incorporated document, the present specification will control.

It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.

Example 1

A silk screen net film for digital hot melting plate making is composed of a 60-mesh metal net, a 1.0-micron BOPET film, epoxy resin and modified resin thereof, and an organic silicon material.

Example 2

A silk screen net film for digital hot melting plate making is composed of a 120-mesh polyester net, a 2.0-micron BOPET film, polyacrylate resin and modified resin thereof, and an organic silicon modified material.

Example 3

A silk screen net film for digital hot melting plate making is composed of a nylon net with 220 meshes, a BOPET film with the diameter of 3.0 microns, polyurethane resin and modified resin thereof, and fluororesin.

Example 4

A screen printing net film for digital hot-melt plate making comprises a 300-mesh metal net, a 3.0-micron BOPET film, polyester resin and modified resin thereof, and fluororesin modified material.

Example 5

A silk screen net film for digital hot melting plate making is composed of a 400-mesh polyester net, a 4.0-micron BOPET film, polyamide resin and modified resin thereof, and an organic silicon material.

Example 6

A silk screen net film for digital hot melting plate making is composed of a 800-mesh nylon net, a 4.0-micron BOPET film, polyamide resin and modified resin thereof, and an organic silicon modified material.

Example 7

A silk screen net film for digital hot-melting plate making is composed of 1000-mesh metal net, 5.0-micron BOPET film, EVA resin and its modified resin, and fluororesin.

Example 8

A silk screen net film for digital hot-melting plate making is composed of a 1300-mesh polyester net, a 5.0-micron BOPET film, epoxy resin, polyester resin and a fluororesin modified material.

Example 9

A silk screen net film for digital hot melting plate making is composed of a 1400-mesh nylon net, a 3.0-micron BOPET film, polyurethane resin, polyacrylate resin and an organic silicon material.

Example 10

A silk screen net film for digital hot melting plate making is composed of a 1500-mesh metal net, a 3.0-micron BOPET film, polyacrylate resin and modified resin thereof, and an organic silicon modified material.

Example 11

A preparation method of a silk screen net film for digital hot melting plate making comprises the following steps: the raw material silk screen and BOPET film are arranged on the

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 100-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle of a scraper 11 to be proper, and starting a plate roller switch to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 60 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO through the exhaust pipe 10 for treatment, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And taking down the compounded silk screen mesh film from the winding device 8 and installing the silk screen mesh film to the winding device 1, wherein the film surface faces downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a gravure plate roller with 450 lines, and setting an operation method and other parameters as a composite process.

Example 12

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 200-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle of a scraper 11 to be proper, and starting a plate roller switch to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 70 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a gravure plate roller with 500 lines, and setting an operation method and other parameters as well as a composite process.

Example 14

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 250-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle of a scraper to be proper 11 degrees, and starting a plate roller switch to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 80 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a 600-line gravure plate roller, and setting an operation method and other parameters as a composite process.

Example 15

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 300-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle of a scraper 11 to a proper position, and starting a plate roller switch to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 90 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a 700-line gravure plate roller, and setting an operation method and other parameters as a composite process.

Example 16

A preparation method of a silk screen mesh film for digital hot melting plate making comprises the following steps: the raw material silk screen and BOPET film are arranged on the

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 100-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle of a scraper 11 to a proper position, and starting a plate roller switch to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 100 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using an 800-line gravure plate roller, and setting an operation method and other parameters as well as a composite process.

Example 17

A preparation method of a silk screen net film for digital hot melting plate making comprises the following steps: raw silk screen and BOPET film are arranged on the

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, silk screen film and BOPET film material are threaded according to the film-running route diagram of figure 2, parameters of each link are adjusted, the film and the silk screen are smoothly jointed, and no wrinkle occurs. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 200-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting the angle of a scraper 11 to a proper position, and starting a plate roller switch to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 110 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a 900-line gravure plate roller, and setting an operation method and other parameters as a composite process.

Example 18

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 180-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting 11 scrapers, and starting the plate roller to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 100 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a 1000-line gravure plate roller, and setting an operation method and other parameters as a composite process.

Example 19

positions

1 and 4, wherein the film is arranged on the position 1, the silk screen is arranged on the position 4, the silk screen film and the BOPET film material are threaded according to the film-running route diagram of figure 2, and the parameters of each link are adjusted, so that the film and the silk screen are smoothly attached without wrinkles. Pouring the adhesive into a storage tank 9, adjusting the height position of the storage tank, coating the adhesive by using a 240-line gravure plate roller, immersing a coating roller in a coating device into the adhesive, adjusting 11 scrapers, and starting the plate roller to uniformly glue the adhesive on the gravure plate. Starting a starting-up main button, discharging the film from the position 1, feeding the film into a coating device 2, coating an adhesive on one surface of the film, meeting and compounding the film in a compounding device 3 and a silk screen discharged from an unreeling device 4, and feeding the film into a drying box 6, wherein the temperature of the drying box is set at 120 ℃. Different temperatures are set according to the size of the composite speed, the temperature is set to be lower when the speed is slow, and the temperature is set to be higher when the speed is high, so that the thorough drying is taken as a principle. And the water vapor and the VOCs gas generated in the oven enter the RTO for treatment through the exhaust pipe 10, and are discharged after reaching the environmental protection standard. And the compounded silk screen mesh film is wound in a winding device 8 through a traction device 7. And (3) taking down the compounded silk screen net film from the winding device 8 and installing the silk screen net film on the winding device 1 with the film surface facing downwards. The film-passing route is the same as the compounding process. The unwinding device 4 is no longer equipped with raw material. The rubber roller and the metal roller of the compound device 3 are loosened and are not pressed. Pouring the slipping agent into a storage tank 9, coating the slipping agent by using a 1000-line gravure plate roller, and setting an operation method and other parameters as a composite process.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A silk screen net film for digital hot melting platemaking is characterized in that: the silk screen net film is composed of a silk screen, a BOPET film, an adhesive and a slipping agent.

2. The screen printing net film for the digital hot melt plate making according to claim 1, wherein: the silk screen is one of a metal mesh, a polyester mesh and a nylon mesh; the mesh number of the silk screen is 60-1500 meshes.

3. The screen printing net film for the digital hot melt plate making according to claim 1, wherein: the thickness of the BOPET film is 1.0-5.0 microns.

4. The screen printing net film for the digital hot melt plate making according to claim 1, wherein: the adhesive is a material resistant to screen printing ink erosion;

5. The screen printing net film for the digital hot melt plate making according to claim 1, wherein: the slipping agent is an organic silicon material, an organic silicon modified material, fluororesin or fluororesin modified material.

6. The preparation method of the silk screen mesh film for the digital hot melt plate making according to any one of claims 1 to 5, which is characterized by comprising the following steps: the preparation method comprises the following steps:

(1) coating the BOPET film or screen with an adhesive;

(3) drying and rolling the composite material;

7. The preparation method of the silk screen mesh film for the digital hot melt plate making according to claim 6, wherein the preparation method comprises the following steps: the preparation of the silk screen mesh film is carried out on equipment with a raw material unreeling device, a storage tank, a printing roller, a coating device, a compounding device, a drying box, an exhaust pipe, a traction device and a reeling device.

8. The method for preparing the silk screen printing net film for the digital hot melt plate making according to the claim 7, wherein the method comprises the following steps: the preparation method comprises the following steps:

(4) the water vapor and VOCs gas generated in the drying box enter the RTO through the exhaust pipe 10 for treatment, and are discharged after reaching the environmental protection standard;

(5) rolling the compounded silk-screen mesh film on a rolling device 8 through a traction device 7;

9. The preparation method of the silk screen mesh film for the digital hot melt plate making according to any one of claims 6 to 8, wherein the preparation method comprises the following steps: the drying temperature is 60-120 ℃.