CN218620678U

CN218620678U - Degradable pressure-sensitive adhesive protective film

Info

Publication number: CN218620678U
Application number: CN202222183763.7U
Authority: CN
Inventors: 苏永根; 谢在炎; 王拥; 车文贵
Original assignee: Huizhou Yongdahui New Material Co ltd
Current assignee: Huizhou Yongdahui New Material Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-03-14
Anticipated expiration: 2032-08-19

Abstract

A degradable pressure-sensitive adhesive protective film is sequentially provided with a degradable release layer, a degradable pressure-sensitive adhesive layer, a corona treatment layer and a degradable base material layer from top to bottom; the degradable substrate layer is including degradable substrate upper strata, toughening layer and degradable substrate lower floor, the upper surface on degradable substrate upper strata is laminated with degradable pressure sensitive adhesive layer's lower surface mutually, and its lower surface is laminated with the upper surface on toughening layer mutually, the lower surface on toughening layer is laminated with the upper surface on degradable substrate lower floor mutually. The utility model discloses a degradable pressure sensitive adhesive protection film has advantages such as convenient to use, intensity height, toughness are good and long service life.

Description

Degradable pressure-sensitive adhesive protective film

Technical Field

The utility model relates to a protection film technical field especially relates to a degradable pressure sensitive adhesive protection film.

Background

The protective film can be classified into a digital product protective film, an automobile protective film, a household protective film, a food preservation protective film and the like according to the application, and as the time goes on and the technology develops, the material of the protective film is gradually known and accepted by people from the earliest plastic material to the protective film which is developed into various materials at present, and the protective film is widely applied to various fields in production and life. With the increase of the awareness of the society to environmental protection, degradable protective films are available on the market, are easy to degrade and can reduce the pollution to the environment, but although the mechanical strength of the existing degradable protective films basically reaches the conventional plastics (such as PP, PE and the like), the toughness of the existing degradable protective films is poor, and the existing degradable protective films are easy to break when in use, so that the use effect and the service life of the degradable protective films are reduced; moreover, although the adhesive glue layer (such as an acrylic glue layer) of most degradable protective films on the market can be well attached to a product, the glue layer can be torn off after long-time use to leave residual glue traces on the product, so that damage to the product is easily caused, the experience of a user is influenced, and the use is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a degradable pressure-sensitive adhesive protection film aims at solving above-mentioned technical problem, the utility model discloses degradable pressure-sensitive adhesive protection film has advantages such as convenient to use, intensity height, toughness are good and long service life.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a degradable pressure-sensitive adhesive protective film is sequentially provided with a degradable release layer, a degradable pressure-sensitive adhesive layer, a corona treatment layer and a degradable base material layer from top to bottom; the degradable substrate layer is including degradable substrate upper strata, toughening layer and degradable substrate lower floor, the upper surface on degradable substrate upper strata is laminated with degradable pressure sensitive adhesive layer's lower surface mutually, and its lower surface is laminated with the upper surface on toughening layer mutually, the lower surface on toughening layer is laminated with the upper surface on degradable substrate lower floor mutually. The utility model discloses a degradable substrate layer adopts bilayer structure and increases tough layer cooperation, has improved the utility model discloses a crushing resistance, stability and toughness.

Furthermore, the toughening layer is made of an environment-friendly EVA material.

Further, the thickness of the degradable substrate layer is 30-80 μm.

Further, the thickness of the degradable release layer is 30-80 μm. The degradable release layer can prevent the degradable pressure-sensitive adhesive layer from being damaged, is easy to peel and is convenient to use.

Further, the thickness of the degradable pressure sensitive adhesive layer is 4-30 μm. Degradable pressure sensitive adhesive layer can with the stable laminating in product surface, tear when not using can, can not leave the vestige on the product surface, facilitate the use.

Further, the thickness of the corona treatment layer is 1-6 μm.

The utility model discloses degradable pressure sensitive adhesive protection film has following beneficial effect:

1. the utility model discloses degradable pressure sensitive adhesive protection film, the degradable substrate layer adopts bilayer structure and toughening layer cooperation, has improved the utility model discloses a crushing resistance, stability and toughness are difficult to be torn apart during the use, thereby have improved the utility model discloses an effect of use and life-span;

2. the degradable pressure-sensitive adhesive protective film of the utility model can be stably attached to the surface of a product, and can be torn off when not in use, so that no trace is left on the surface of the product, and the use is convenient; 3. the degradable pressure-sensitive adhesive protective film of the utility model has the advantages that the degradable release layer can prevent the degradable pressure-sensitive adhesive layer from being damaged, and the degradable pressure-sensitive adhesive layer is easy to peel off and convenient to use;

4. the utility model discloses degradable pressure sensitive adhesive protection film carries out corona treatment in the one side of degradable substrate layer and forms corona treatment layer, becomes rough surface by smooth plane, effectively strengthens the adhesion, and the laminating is effectual for degradable pressure sensitive adhesive layer is difficult for droing, improves the utility model discloses a structural stability.

Drawings

FIG. 1 is a schematic structural view of the degradable pressure-sensitive adhesive protective film of the present invention;

fig. 2 is a schematic structural diagram of the degradable substrate layer shown in fig. 1.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the product of the present invention with reference to the embodiments and the accompanying drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and fig. 2, a degradable pressure-sensitive adhesive protective film is sequentially provided with a degradable release layer 1, a degradable pressure-sensitive adhesive layer 2, a corona treatment layer 3 and a degradable base material layer 4 from top to bottom; degradable substrate layer 4 is including degradable substrate upper strata 5, toughening layer 6 and degradable substrate lower floor 7, the upper surface of degradable substrate upper strata 5 is laminated with the lower surface of degradable pressure sensitive adhesive layer 2 mutually, and its lower surface is laminated with the upper surface on toughening layer 6 mutually, the lower surface on toughening layer 6 is laminated with the upper surface of degradable substrate lower floor 7 mutually.

In this embodiment, the toughening layer 6 is made of an environment-friendly EVA material.

In this embodiment, the thickness of the degradable substrate layer 4 is 30-80 μm. Preferably, the thickness of the degradable substrate layer 4 may be 30 μm, 45 μm, 50 μm, 75 μm or 80 μm. More preferably, the thickness of the degradable substrate layer 4 is 50 μm.

In this embodiment, the thickness of the degradable release layer 1 is 30-80 μm. Preferably, the thickness of the degradable release layer 1 may be 30 μm, 45 μm, 50 μm, 75 μm or 80 μm. More preferably, the thickness of the degradable release layer 1 is 50 μm.

In this embodiment, the thickness of the degradable pressure sensitive adhesive layer 2 is 4-30 μm. Preferably, the thickness of the degradable pressure sensitive adhesive layer 2 may be 4 μm, 10 μm, 17 μm, 22 μm or 30 μm. More preferably, the thickness of the degradable pressure sensitive adhesive layer 2 is 10 μm.

In this embodiment, the thickness of the corona treatment layer 3 is 1 to 6 μm. Preferably, the thickness of the corona treatment layer 3 may be 1 μm, 2 μm, 3 μm, 5 μm, or 6 μm.

The utility model discloses the theory of operation as follows:

before the degradable pressure-sensitive adhesive layer is not used, the degradable release layer 1 is attached to the surface of the degradable pressure-sensitive adhesive layer 2, so that the degradable pressure-sensitive adhesive layer 2 and the degradable base material layer 4 can be well protected, and the degradable pressure-sensitive adhesive layer 2 and the degradable base material layer 4 are not easily damaged; during the use, peel off the degradable and leave type layer 1 and make degradable pressure sensitive adhesive layer 2 expose to adhere degradable pressure sensitive adhesive layer 2 and the product surface that needs the protection mutually, degradable substrate layer 4 adopts bilayer structure and increases tough layer 6 cooperation, has improved the utility model discloses a crushing resistance, stability and toughness are difficult to be torn during the use, thereby have improved the utility model discloses a result of use and life-span.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; all the persons skilled in the art can smoothly implement the present invention as shown in the attached drawings and described above; however, those skilled in the art should understand that changes, modifications and variations that are equivalent to those of the above-described embodiments may be made without departing from the scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A degradable pressure-sensitive adhesive protection film is characterized in that: the degradable release layer, the degradable pressure-sensitive adhesive layer, the corona treatment layer and the degradable base material layer are sequentially arranged from top to bottom;

the degradable substrate layer is including degradable substrate upper strata, toughening layer and degradable substrate lower floor, the upper surface on degradable substrate upper strata is laminated with degradable pressure sensitive adhesive layer's lower surface mutually, and its lower surface is laminated with the upper surface on toughening layer mutually, the lower surface on toughening layer is laminated with the upper surface on degradable substrate lower floor mutually.

2. The protective film of degradable pressure-sensitive adhesive according to claim 1, wherein: the toughening layer is made of an environment-friendly EVA material.

3. The protective film of degradable pressure-sensitive adhesive according to claim 2, wherein: the thickness of the degradable base material layer is 30-80 μm.

4. The protective film according to claim 3, wherein: the thickness of the degradable release layer is 30-80 μm.

5. The protective film according to claim 4, wherein: the thickness of the degradable pressure-sensitive adhesive layer is 4-30 μm.

6. The protective film of degradable pressure-sensitive adhesive according to claim 5, wherein: the thickness of the corona treatment layer is 1-6 μm.