CN219600632U

CN219600632U - PET double-fluorine-resistant plastic milk white release film

Info

Publication number: CN219600632U
Application number: CN202320556625.0U
Authority: CN
Inventors: 束从凯
Original assignee: Kunshan Yunsong Electronic Material Co ltd
Current assignee: Kunshan Yunsong Electronic Material Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-29
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of release films, and provides a PET (polyethylene terephthalate) dual-fluorine-resistant plastic milk white release film which comprises a first base film, a second base film and a first release layer, wherein the bottom end of the first base film is connected with the second base film in an adhesive manner, and the bottom end of the second base film is connected with the first release layer in an adhesive manner. The utility model is provided with the first release layer and the second release layer, the second release layer is adhered to the top end of the first base layer film, and the first release layer is adhered to the bottom end of the second base layer film, so that the PET dual-fluorine-resistant milk white release film is designed to be specially used for adhesion with silicone pressure sensitive adhesive and the like, stable easy release force can be provided, good subsequent adhesive strength can be maintained, the release film has smooth and clean surface, uniform coating, no defects of crease, tearing, particles, bubbles, pinholes and the like, and has the advantages of excellent physical and mechanical properties, small thickness tolerance, high transparency, low thermal shrinkage, good flexibility and the like, thereby improving the applicability of the PET dual-fluorine-resistant milk white release film in use.

Description

PET double-fluorine-resistant plastic milk white release film

Technical Field

The utility model relates to the technical field of release films, in particular to a PET dual-fluoroplastic milk white release film.

Background

The release film is a film with the surface energy of the film being different, the release film has no viscosity or slight viscosity after being contacted with a specific material under a limited condition, the types of the release films are more various, and the PET dual-fluorine-resistant plastic milk white release film is an important component part;

for this reason, the patent of publication number CN208485841U discloses an antistatic fluorine release film, including polyester substrate, corona layer and scribble non-silicon release layer, polyester substrate, corona layer and scribble non-silicon release layer follow the direction of height from the release film laminating in proper order together, polyester substrate and scribble non-silicon release layer one side that keeps away from mutually all bonds and has antistatic layer. According to the utility model, the existing silicon-containing release agent is changed into the release agent without silicon and added with inert element fluorine by changing the release agent of the common release film, and the release film with the effect of not adsorbing foreign matter dust is coated on the 2 sides, so that the release film has stable release force and excellent antistatic effect, is easy to peel after being contacted with an organic silica gel product, and meets the die-cutting protection of the organic silica gel product;

the antistatic fluorine release film has low adhesive strength in the subsequent use process due to poor stability, so that the applicability of the antistatic fluorine release film is low in use.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a PET double-fluorine-resistant plastic milk white release film, which is used for solving the defect of poor stability of the existing release film.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the PET dual-fluorine-resistant plastic milk white release film comprises a first base film, a second base film and a first release layer, wherein the second base film is connected to the bottom end of the first base film in an adhesive manner, the first release layer is connected to the bottom end of the second base film in an adhesive manner, and the first protective layer is connected to the bottom end of the first release layer in an adhesive manner;

the top end of the first base layer film is connected with a second release layer in an adhesive manner;

and the top end of the second release layer is connected with a second protective layer in an adhesive manner.

Preferably, the first base film is actually a PET transparent substrate, and the second base film is actually a PET film substrate.

Preferably, the thickness of the first base layer film is 50um, and the thickness of the second base layer film is 36um.

Preferably, the residual adhesion rate of the first base layer film and the second base layer film is greater than 75%, and the first base layer film and the second base layer film cannot have transverse stripe marks, riot ribs, color stripe marks, small white spots and transfer printing.

Preferably, the first release layer is actually a silicone oil release layer, and the second release layer is actually a fluorine release layer.

Preferably, the thickness of the first release layer and the second release layer can be 0.2 um-0.6 um, and the film tearing force of the first base film and the second base film is less than 5g and 10g.

Preferably, the first protective layer is actually a first antistatic layer, and the second protective layer is actually a second antistatic layer.

(III) beneficial effects

The PET double-fluorine-resistant plastic milk white release film provided by the utility model has the advantages that:

the first release layer and the second release layer are arranged, the second release layer is adhered to the top end of the first base layer film, and the first release layer is adhered to the bottom end of the second base layer film, so that the PET dual-fluorine-resistant plastic milk white release film is designed to be specially used for adhesion with silicone pressure-sensitive adhesives and the like, stable release force can be provided, good subsequent adhesive strength can be maintained, the release film has the advantages of smooth and clean surface, uniform coating, no defects of wrinkles, tearing, particles, bubbles, pinholes and the like, excellent physical and mechanical properties, small thickness tolerance, high transparency, low thermal shrinkage, good flexibility and the like, and the applicability of the PET dual-fluorine-resistant plastic milk white release film in use is improved;

drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a three-dimensional explosive structure of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the present utility model;

FIG. 3 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 4 is a schematic side sectional view of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

Reference numerals in the drawings illustrate: 1. a first base film; 2. a second base film; 3. a first release layer; 4. a first protective layer; 5. a second release layer; 6. and a second protective layer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5, the PET dual-fluorine-resistant plastic milk white release film provided by the utility model comprises a first base film 1, a second base film 2 and a first release layer 3, wherein the bottom end of the first base film 1 is connected with the second base film 2 in an adhesive manner, the first base film 1 is actually a PET transparent substrate, the second base film 2 is actually a PET film substrate, the thickness of the first base film 1 is 50um, the thickness of the second base film 2 is 36um, the residual adhesion rates of the first base film 1 and the second base film 2 are both greater than 75%, the first base film 1 and the second base film 2 cannot be provided with transverse stripe marks, cannot be provided with color stripe marks, small white spots and cannot be transferred, the bottom end of the second base film 2 is connected with the first release layer 3 in an adhesive manner, the bottom end of the first release layer 3 is connected with the first protective layer 4, the top end of the first base film 1 is connected with the second release layer 5 in an adhesive manner, the first release layer 3 is actually a release layer, the second silicon oil layer 5 is actually a release layer, the second release layer 5 is a second release layer, the second release layer 5 is an actual layer 5 is a second release layer 6.0.5, the second release layer is an antistatic layer 5, and the top end of the second layer is an antistatic layer is 6 g, and the first layer is an antistatic layer and the practical layer is 0.0-6 g, and the second layer is the second layer and the first layer is the actual layer and the first layer is the antistatic layer and the layer is the 6 and the practical layer and the 6 is the layer is the 6.

In this embodiment, the second release layer 5 is adhered to the top end of the first base layer film 1, and the first release layer 3 is adhered to the bottom end of the second base layer film 2, which is designed to be specially used for adhesion with silicone pressure sensitive adhesive and the like, so that not only can a stable easy release force be provided, but also good subsequent adhesion strength can be maintained, and the release film has the advantages of smooth and clean surface, uniform coating, no defects such as wrinkles, tears, particles, bubbles, pinholes and the like, good physical and mechanical properties, small thickness tolerance, high transparency, low heat shrinkage, good flexibility and the like.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

PET dual-fluorine-resistant plastic milk white release film, which comprises a first base film (1), a second base film (2) and a first release layer (3), and is characterized in that: the bottom end of the first base layer film (1) is connected with a second base layer film (2) in an adhesive mode, the bottom end of the second base layer film (2) is connected with a first release layer (3) in an adhesive mode, and the bottom end of the first release layer (3) is connected with a first protective layer (4) in an adhesive mode; the top end of the first base layer film (1) is connected with a second release layer (5) in an adhesive manner; the top end of the second release layer (5) is connected with a second protective layer (6) in an adhesive mode.
2. The PET dual anti-fluoroplastic milk white release film of claim 1, wherein: the first base film (1) is actually a PET transparent substrate, and the second base film (2) is actually a PET film substrate.
3. The PET dual anti-fluoroplastic milk white release film of claim 1, wherein: the thickness of the first base layer film (1) is 50um, and the thickness of the second base layer film (2) is 36um.
4. The PET dual anti-fluoroplastic milk white release film of claim 1, wherein: the residual adhesion rates of the first base layer film (1) and the second base layer film (2) are both larger than 75%, and the first base layer film (1) and the second base layer film (2) cannot have transverse stripe marks, riot ribs, color stripe marks, small white spots and transfer printing.
5. The PET dual anti-fluoroplastic milk white release film of claim 1, wherein: the first release layer (3) is actually a silicone oil release layer, and the second release layer (5) is actually a fluorine release layer.
6. The PET dual anti-fluoroplastic milk white release film of claim 1, wherein: the thickness of the first release layer (3) and the second release layer (5) can be 0.2 um-0.6 um, and the film tearing force of the first base film (1) and the second base film (2) is less than 5g and 10g.
7. The PET dual anti-fluoroplastic milk white release film of claim 1, wherein: the first protective layer (4) is actually a first antistatic layer, and the second protective layer (6) is actually a second antistatic layer.