CN115742524A - Method for manufacturing anti-counterfeiting laser positioning film - Google Patents
Method for manufacturing anti-counterfeiting laser positioning film Download PDFInfo
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- CN115742524A CN115742524A CN202211450377.8A CN202211450377A CN115742524A CN 115742524 A CN115742524 A CN 115742524A CN 202211450377 A CN202211450377 A CN 202211450377A CN 115742524 A CN115742524 A CN 115742524A
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- film
- pet film
- counterfeiting
- laser positioning
- manufacturing
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Abstract
The invention discloses a method for manufacturing an anti-counterfeiting laser positioning film, which comprises the following steps: selecting a PET film as a base material, and coating a varnish coating on the surface of the PET film; compounding the PET film and the anti-counterfeiting grating film, and heating and curing after compounding; step three, rolling the PET film with the pressure intensity of 150N/cm 3 (ii) a Step four, after pressing, feeding the PET film into an oven for heating; and fifthly, carrying out corona treatment on the PET film after drying to obtain the laser positioning film. And an anti-counterfeiting function is added to the laser positioning film by adding the anti-counterfeiting grating film.
Description
Technical Field
The invention belongs to the technical field of laser positioning films, and particularly relates to a manufacturing method of an anti-counterfeiting laser positioning film.
Background
The laser positioning film is popular with consumers due to the three-dimensional effect, has a high-technology anti-counterfeiting function, is generally manufactured in a traditional laser mould pressing mode, generally adopts a direct printing mode to package products, does not have grating anti-counterfeiting and local metal grating anti-counterfeiting effects, and is because most of the existing grating technology is realized by utilizing the high-temperature heat sealing and shaping performances of films, and the characteristics of low-temperature shrink films are just opposite to the performances and are difficult to realize.
Disclosure of Invention
In order to solve the problems in the related art, the application provides a manufacturing method of an anti-counterfeiting laser positioning film, which can improve the strength of a coating.
The technical scheme is as follows:
a manufacturing method of an anti-counterfeiting laser positioning film comprises the following steps:
selecting a PET film as a base material, and coating a varnish coating on the surface of the PET film;
compounding the PET film and the anti-counterfeiting grating film, and heating and curing after compounding;
step three, rolling the PET film with the pressure intensity of 150N/cm 3 ；
Step four, after pressing, feeding the PET film into an oven for heating;
and fifthly, carrying out corona treatment on the PET film after drying to obtain the laser positioning film.
And an anti-counterfeiting function is added to the laser positioning film by adding the anti-counterfeiting grating film.
Further, in the first step, the raw materials of the varnish include ethyl acetate, butyl acetate, propylene glycol and acrylate.
Further, the weight ratio of ethyl acetate, butyl acetate, propylene glycol and acrylate is 2:1:5:7.
further, mixing and heating the raw materials for 15-30min in an electric heating mode.
Further, in the second step, the anti-counterfeiting grating film is a BOPP film, and after compounding, the whole film is shrunk at low temperature and heated and cured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Detailed Description
A manufacturing method of an anti-counterfeiting laser positioning film comprises the following steps:
selecting a PET film as a base material, and coating a varnish coating on the surface of the PET film;
compounding the PET film and the anti-counterfeiting grating film, and heating and curing after compounding;
step three, rolling the PET film with the pressure intensity of 150N/cm 3 ；
Fourthly, after pressing, feeding the PET film into a drying oven for heating;
and fifthly, carrying out corona treatment on the PET film after drying to obtain the laser positioning film.
And the anti-counterfeiting function is added to the laser positioning film by adding the anti-counterfeiting grating film.
In the first step, the raw materials of the gloss oil coating comprise ethyl acetate, butyl acetate, propylene glycol and acrylate.
The weight ratio of ethyl acetate, butyl acetate, propylene glycol and acrylate is 2:1:5:7.
mixing the raw materials, heating for 15-30min in an electric heating manner.
In the second step, the anti-counterfeiting grating film is a BOPP film, and after compounding, the whole film is shrunk at low temperature and then heated and cured.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (5)
1. The manufacturing method of the anti-counterfeiting laser positioning film is characterized by comprising the following steps:
selecting a PET film as a base material, and coating a varnish coating on the surface of the PET film;
compounding the PET film and the anti-counterfeiting grating film, and heating and curing after compounding;
step three, feeding the PET film into a reactorLine rolling with pressure intensity of 150N/cm 3 ；
Step four, after pressing, feeding the PET film into an oven for heating;
and fifthly, carrying out corona treatment on the PET film after drying to obtain the laser positioning film.
2. The manufacturing method according to claim 1, wherein in the first step, the raw materials of the varnish include ethyl acetate, butyl acetate, propylene glycol and acrylate.
3. The method according to claim 2, wherein the weight ratio of ethyl acetate, butyl acetate, propylene glycol and acrylic ester is 2:1:5:7.
4. the method of claim 2, wherein the raw materials are mixed and heated for 15-30min in an electric heating manner.
5. The manufacturing method according to claim 1, wherein in the second step, the anti-counterfeit grating film is a BOPP film, and after the lamination, the whole film is shrunk at a low temperature and then heated and cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211450377.8A CN115742524A (en) | 2022-11-19 | 2022-11-19 | Method for manufacturing anti-counterfeiting laser positioning film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211450377.8A CN115742524A (en) | 2022-11-19 | 2022-11-19 | Method for manufacturing anti-counterfeiting laser positioning film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115742524A true CN115742524A (en) | 2023-03-07 |
Family
ID=85373782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211450377.8A Withdrawn CN115742524A (en) | 2022-11-19 | 2022-11-19 | Method for manufacturing anti-counterfeiting laser positioning film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115742524A (en) |
-
2022
- 2022-11-19 CN CN202211450377.8A patent/CN115742524A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230307 |