CN212174873U

CN212174873U - Self-release polyethylene film

Info

Publication number: CN212174873U
Application number: CN202020259049.XU
Authority: CN
Inventors: 鹿启帅
Original assignee: Changzhou Kaide New Material Technology Co ltd
Current assignee: Changzhou Kaide New Material Technology Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-12-18
Anticipated expiration: 2030-03-05

Abstract

The utility model provides a self-release polyethylene film, which particularly relates to the field of film production and comprises a heavy release layer, a polyethylene film layer and a light release layer, wherein the heavy release layer and the light release layer are respectively arranged on two sides of the polyethylene film layer; the heavy peeling layer and the light peeling layer are respectively connected with the polyethylene film layer through adhesives; and tearing parts are arranged at two ends of the heavy stripping layer and the light stripping layer; the binding surfaces of the tearing part and the heavy stripping layer and the light stripping layer are respectively provided with a plurality of concave-convex alternate strip-shaped grains, and the cross sections of the grains are circular or rectangular; gaps are respectively left between the lower side surface of the outer end of the tearing part and the heavy stripping layer and the light stripping layer. The utility model discloses can be convenient with separation layer and basic unit intervally, improve the convenient degree of using.

Description

Self-release polyethylene film

Technical Field

The utility model belongs to the film production field, concretely relates to from type polyethylene film.

Background

The release film is a film with a distinguished surface, and the release film does not have viscosity or slight viscosity after being contacted with a specific material under a limited condition; however, the existing stripping layer is bonded with the base layer through an adhesive, so that the adhesion between the release film and the base layer is too large easily, and the stripping is difficult.

In view of the above disadvantages, there is a need for a self-releasing polyethylene film, which can facilitate separation between a release layer and a substrate layer, and improve the convenience of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from type polyethylene film, separation between peel ply and basic unit that can be convenient improves the convenient degree of using.

The utility model provides a following technical scheme:

a self-release polyethylene film comprises a heavy release layer, a polyethylene film layer and a light release layer, wherein the heavy release layer and the light release layer are respectively arranged on two sides of the polyethylene film layer; the heavy peeling layer and the light peeling layer are respectively connected with the polyethylene film layer through adhesives; and tearing parts are arranged at two ends of the heavy stripping layer and the light stripping layer;

preferably, the tearing part and the heavy peeling layer are of an integral structure; the tearing part and the light stripping layer are of an integrated structure.

Preferably, the tearing part is folded outwards to coincide with the side face of the heavy peeling layer; the tearing part is folded outwards and is superposed with the side surface of the light peeling layer;

preferably, the adhesive is a hot melt adhesive or a polypropylene non-setting adhesive;

preferably, the viscosity between the heavy release layer and the polyethylene film layer is greater than the viscosity between the light release layer and the polyethylene film layer.

Preferably, the light release layer has a grammage of 4 to 8g/m in peel force²The gram weight of the peeling force of the heavy peeling layer is 40 to 90g/m²。

The utility model has the advantages that:

the utility model is convenient to tear through the tearing part, and the tearing part is folded outwards and is superposed with the side surface of the heavy stripping layer; the tearing part is folded outwards and is superposed with the side surface of the light stripping layer; the tearing part can be easily pulled by personnel, and the stripping convenience is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a view showing a structure of a first embodiment of the present invention;

FIG. 2 is a structural view of a second embodiment of the present invention;

labeled as: 1. a polyethylene film layer; 2. an adhesive layer; 3. a light release layer; 4. heavy peeling off layer; 5. a tear portion.

Detailed Description

Example 1:

as shown in fig. 1, the self-release polyethylene film comprises a heavy peeling layer 4, a polyethylene film layer 1 and a light peeling layer 3, wherein the heavy peeling layer 4 and the light peeling layer 3 are respectively arranged on two sides of the polyethylene film layer 1; the heavy release layer 4 and the light release layer 3 are respectively connected with the polyethylene film layer 1 through an adhesive 2; and the heavy peeling layer 4 and the light peeling layer 3 are provided with tearing parts 5 at two ends; is convenient to tear through the tearing part 5, separates the heavy stripping layer 4, the light stripping layer 3 and the polyethylene film layer 1, and then is convenient for the operation of personnel to strip

Wherein, the tearing part 5 and the heavy peeling layer 4 are of an integral structure, namely, the tearing part and the heavy peeling layer are directly folded by one layer; the tearing part 5 and the light peeling layer 3 are of an integrated structure. Thus, the method is firm, convenient to produce and low in cost; the tearing part 5 is folded outwards to coincide with the side surface of the heavy peeling layer 4; the tearing part 5 is folded outwards and is superposed with the side surface of the light stripping layer 3; the tearing part can be easily pulled by personnel, and the stripping convenience is improved. The adhesive 2 is a hot melt adhesive or a polypropylene adhesive sticker; the viscosity between the heavy peeling layer 4 and the polyethylene film layer 1 is larger than that between the light peeling layer 3 and the polyethylene film layer 1; thus, the smooth stripping can be ensured; the gram weight of the peeling force of the light peeling layer 3 is 4 to 8g/m²The gram weight of the peeling force of the heavy peeling layer 4 is 40 to 90g/m²。

Example 2:

on the basis of the embodiment 1, the tearing part 5 and the heavy peeling layer 4 are provided with structures convenient for separation and combination, referring to the attached drawing 2, the binding surface of the tearing part 5 and the heavy peeling layer 4 is provided with a plurality of concave-convex alternate strip-shaped grains, the cross section of each grain is circular or rectangular or other shapes, so that the contact area can be reduced, and the tearing part 5 and the heavy peeling layer 4 can be conveniently separated; for further convenience of separation, a gap is left between the lower side surface of the outermost end of the tearing part 5 and the heavy peeling layer;

the utility model discloses a working method:

as shown in fig. 1, the tearing portion 5 is separated from the side surface of the light peeling layer 3, the tearing portion 5 is separated from the side surface of the heavy peeling layer 4, and the person tears the tearing portion 5 to separate the heavy peeling layer 4, the light peeling layer 3 and the polyethylene film layer 1, thereby facilitating the operation and peeling of the person.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-release polyethylene film is characterized in that: the polyethylene film comprises a heavy peeling layer, a polyethylene film layer and a light peeling layer, wherein the heavy peeling layer and the light peeling layer are respectively arranged on two sides of the polyethylene film layer; the heavy peeling layer and the light peeling layer are respectively connected with the polyethylene film layer through adhesives; and tearing parts are arranged at two ends of the heavy stripping layer and the light stripping layer; the binding surfaces of the tearing part and the heavy stripping layer and the light stripping layer are respectively provided with a plurality of concave-convex alternate strip-shaped grains, and the cross sections of the grains are circular or rectangular; gaps are respectively left between the lower side surface of the outer end of the tearing part and the heavy stripping layer and the light stripping layer.

2. The self-releasing polyethylene film according to claim 1, wherein: the tearing part and the heavy stripping layer are of an integral structure; the tearing part and the light stripping layer are of an integrated structure.

3. The self-releasing polyethylene film according to claim 2, wherein: the tearing part is folded outwards and is superposed with the side surface of the heavy peeling layer; the tearing part is folded outwards to coincide with the side face of the light stripping layer.

4. The self-releasing polyethylene film according to claim 3, wherein: the adhesive is hot melt adhesive or polypropylene non-setting adhesive.

5. The self-releasing polyethylene film according to claim 4, wherein: the viscosity between the heavy peeling layer and the polyethylene film layer is larger than that between the light peeling layer and the polyethylene film layer.

6. The self-releasing polyethylene film according to claim 5, wherein: the light stripping layer has a peeling force of 4 to 8g/m²The gram weight of the peeling force of the heavy peeling layer is 40 to 90g/m²。