CN214937168U

CN214937168U - Process protective film

Info

Publication number: CN214937168U
Application number: CN202023309767.2U
Authority: CN
Inventors: 徐杰; 沈雅琴; 其他发明人请求不公开姓名
Original assignee: Suzhou Yikaixuan Electronic Technology Co ltd; Suzhou University of Science and Technology
Current assignee: Suzhou Yikaixuan Electronic Technology Co ltd; Suzhou University of Science and Technology
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-30
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a process protection film, include: the PET film comprises a PET substrate film, a pressure-sensitive adhesive layer and a release film which are sequentially superposed, wherein the pressure-sensitive adhesive layer is positioned between the PET substrate film and the release film, and the surface of the PET substrate film, which is in contact with the pressure-sensitive adhesive layer, is provided with a grid layer formed by interweaving warp raised lines and weft raised lines; the release film further comprises a substrate layer and a release agent layer coated on the surface of the substrate layer, and the release agent layer is in contact with the pressure-sensitive adhesive layer. The utility model discloses the process protection film has both effectively reduced the influence of the bubble that produces in the PET substrate membrane laminating process to the quilt thing, and the timely effectual discharge of air that produces in the in-process of will laminating has also reduced pressure sensitive adhesive layer and has been pasted the area of contact who covers the surface for tear easier realization, greatly reduced the cull.

Description

Process protective film

Technical Field

The utility model relates to a process protection film belongs to electronic product processing technology field.

Background

With the development of science and technology, electronic products play an increasingly important role in people's life, and various electronic products need to carry out CNC (computerized numerical control) processing on components such as metal frames and glass in the electronic products. The protective film is needed to fix and protect the electronic product parts in the processing process.

The bearing protective film is an auxiliary material which is widely applied to the manufacturing, packaging and transportation processes of electronic and electrical, optical display and electrical equipment, plays a role in bearing and protecting products from accidental scratching. Since the protective film needs to be removed when the corresponding product is used after being supported and protected, the protective film needs to have good supporting and protecting capabilities, and also needs to have the characteristics of being easy to peel off and having no residual glue on the contact surface of the product.

Disclosure of Invention

The utility model aims at providing a manufacturing procedure protection film, this manufacturing procedure protection film have both effectively reduced the influence of the bubble that produces to the quilt thing among the PET substrate membrane laminating process, the timely effectual discharge of air that produces among the in-process of will laminating has also reduced pressure sensitive adhesive layer and has been pasted the area of contact who covers the surface for tear realize more easily, greatly reduced the cull.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a process protection film comprising: the PET film comprises a PET substrate film, a pressure-sensitive adhesive layer and a release film which are sequentially superposed, wherein the pressure-sensitive adhesive layer is positioned between the PET substrate film and the release film, and the surface of the PET substrate film, which is in contact with the pressure-sensitive adhesive layer, is provided with a grid layer formed by interweaving warp raised lines and weft raised lines; the release film further comprises a substrate layer and a release agent layer coated on the surface of the substrate layer, and the release agent layer is in contact with the pressure-sensitive adhesive layer.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the substrate layer is a PET film, a BOPP film, a PP film or a PE film.

2. In the scheme, the thickness of the pressure-sensitive adhesive layer is 30-80 microns.

3. In the scheme, the height of the warp convex strips and the height of the weft convex strips are 1-5 mu m.

4. In the scheme, the included angle between the warp convex strips and the weft convex strips is 80-100 degrees.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses a process protection film, the surface of the contact of the PET substrate film and the pressure sensitive adhesive layer is provided with a grid layer formed by interweaving warp sand grips and weft sand grips; from the type membrane further includes the substrate layer and coats in the type agent layer on substrate layer surface, the type agent layer contacts with pressure sensitive adhesive layer, and the bubble that has effectively reduced PET substrate membrane laminating in-process and has produced is to the influence of being pasted the thing, and the air that will laminate in-process production is effectual discharges in time, has also reduced pressure sensitive adhesive layer and the area of contact that is pasted and cover the surface for it realizes more easily to tear, greatly reduced the cull.

Drawings

FIG. 1 is a schematic structural view of the process protection film of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the process protection film of the present invention.

In the above drawings: 1. a PET substrate film; 2. a pressure sensitive adhesive layer; 3. a release film; 31. a substrate layer; 32. a release agent layer; 41. Warp cord raised lines; 42. and weft raised lines.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: a process protection film comprising: the PET substrate film comprises a PET substrate film 1, a pressure-sensitive adhesive layer 2 and a release film 3 which are sequentially overlapped, wherein the pressure-sensitive adhesive layer 2 is positioned between the PET substrate film 1 and the release film 3, and a grid layer formed by interweaving warp raised lines 41 and weft raised lines 42 is arranged on the surface, in contact with the pressure-sensitive adhesive layer 2, of the PET substrate film 1; the release film 3 further comprises a substrate layer 31 and a release agent layer 32 coated on the surface of the substrate layer 31, wherein the release agent layer 32 is in contact with the pressure-sensitive adhesive layer 2.

The substrate layer 31 is a BOPP film, and the thickness of the pressure sensitive adhesive layer 2 is 35 μm.

The height of the warp ribs 41 and the weft ribs 42 was 2 μm.

The included angle between the warp ribs 41 and the weft ribs 42 is 90 °.

Example 2: a process protection film comprising: the PET substrate film comprises a PET substrate film 1, a pressure-sensitive adhesive layer 2 and a release film 3 which are sequentially overlapped, wherein the pressure-sensitive adhesive layer 2 is positioned between the PET substrate film 1 and the release film 3, and a grid layer formed by interweaving warp raised lines 41 and weft raised lines 42 is arranged on the surface, in contact with the pressure-sensitive adhesive layer 2, of the PET substrate film 1; the release film 3 further comprises a substrate layer 31 and a release agent layer 32 coated on the surface of the substrate layer 31, wherein the release agent layer 32 is in contact with the pressure-sensitive adhesive layer 2.

The substrate layer 31 is a PP film, and the thickness of the pressure-sensitive adhesive layer 2 is 50 μm.

The height of the warp ribs 41 and the weft ribs 42 was 3 μm.

The included angle between the warp ribs 41 and the weft ribs 42 is 85 °.

When the process protective film is adopted, the surface of the PET base material film, which is in contact with the pressure-sensitive adhesive layer, is provided with a grid layer formed by interweaving warp raised lines and weft raised lines; from the type membrane further includes the substrate layer and coats in the type agent layer on substrate layer surface, the type agent layer contacts with pressure sensitive adhesive layer, and the bubble that has effectively reduced PET substrate membrane laminating in-process and has produced is to the influence of being pasted the thing, and the air that will laminate in-process production is effectual discharges in time, has also reduced pressure sensitive adhesive layer and the area of contact that is pasted and cover the surface for it realizes more easily to tear, greatly reduced the cull.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A process protection film characterized by: the method comprises the following steps: the PET film comprises a PET base material film (1), a pressure-sensitive adhesive layer (2) and a release film (3) which are sequentially overlapped, wherein the pressure-sensitive adhesive layer (2) is positioned between the PET base material film (1) and the release film (3), and a grid layer formed by interweaving warp convex strips (41) and weft convex strips (42) is arranged on the surface, in contact with the pressure-sensitive adhesive layer (2), of the PET base material film (1); the release film (3) further comprises a substrate layer (31) and a release agent layer (32) coated on the surface of the substrate layer (31), wherein the release agent layer (32) is in contact with the pressure-sensitive adhesive layer (2).

2. The process protection film as claimed in claim 1, wherein: the substrate layer (31) is a PET film, a BOPP film, a PP film or a PE film.

3. The process protection film as claimed in claim 1, wherein: the thickness of the pressure-sensitive adhesive layer (2) is 30-80 mu m.

4. The process protection film as claimed in claim 1, wherein: the height of the warp convex strips (41) and the height of the weft convex strips (42) are 1-5 mu m.

5. The process protection film as claimed in claim 1, wherein: the included angle between the warp convex strips (41) and the weft convex strips (42) is 80-100 degrees.