CN215102969U - Adhesive film - Google Patents

Abstract

The embodiment of the application relates to a can paste membrane, can paste membrane including aqueous blotting coating, aqueous ground coat, base film, adhesive layer and the release film layer of superpose in proper order, wherein, aqueous blotting coating includes water based paint. The waterborne blotting coating has good blotting function, and is difficult to erased after the blotting, the waterborne priming coat can strengthen the adhesive force between waterborne blotting coating and the base film, consequently, waterborne blotting coating is difficult to drop from the base film, and then the printing ink of printing or writing on the waterborne blotting coating is difficult to drop, and the membrane of can pasting of this application easily prints or writes, and the printing ink of printing or writing is difficult to erased.

Description

Adhesive film

Technical Field

The embodiment of the application relates to the technical field of membrane materials.

Background

An adherable film such as a tape, e.g. a label, comprises a base film which may be polypropylene or polyethylene or the like. With the development of science and technology, especially the development of printing technology, people hope to print enterprise LOGO, publicity phrases or decorations and the like on the adhesive tape when the adhesive tape is produced, so that the multifunctional adhesive tape is realized. In some places where special attention is required, such as places where smoking is impossible, places where the floor surface is slippery, or places where danger is impossible to access, it is desirable to apply a label, and therefore, it is necessary to print a design or a character on an adhesive film such as a tape or a label.

In the process of implementing the present application, the applicant of the present application finds that: at present, the surface energy of the base film of the existing adhesive film is low, ink is not easy to adhere to the base film of the adhesive film, and the traditional adhesive film does not have the printing function and the writing function of a water-based pen, an oil-based pen and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present application provide an attachable film that overcomes or at least partially solves the above-mentioned problems.

According to an aspect of an embodiment of the present application, there is provided an attachable film including: the water-based ink-absorbing coating comprises a water-based paint.

In an alternative form, the aqueous base coat includes a modified aqueous polymeric resin.

In an alternative form, the base film comprises a polypropylene film layer.

In an alternative form, the adhesive layer comprises a polyacrylic pressure sensitive adhesive.

In an alternative form, the release film layer comprises a silicone oil release film.

In an alternative mode, the adhesive film is provided with a functional area, the functional area is used for printing or writing, and the outline of the functional area is provided with a marking line.

In an alternative form, the aqueous ink-receptive coating is transparent to light, the aqueous base coating is transparent to light, and the marking line is disposed on the base film.

In an alternative mode, the functional region is provided with a plurality of positioning points, and the positioning points are used for positioning during printing or writing.

In an alternative mode, the adhesive film is provided with a decorative area, and the decorative area surrounds the functional area.

In an optional mode, the adhesive film further comprises an auxiliary release film, the auxiliary release film is located between the adhesive layer and the release film layer, and the area of the auxiliary release film is smaller than that of the release film.

The beneficial effects of the embodiment of the application are that: the adhesive film comprises a water-based ink-absorbing coating, a water-based primer layer, a base film, an adhesive layer and a release film layer which are sequentially stacked, wherein the water-based ink-absorbing coating comprises water-based paint. The waterborne blotting coating has good blotting function, and is difficult to erased after the blotting, the waterborne priming coat can strengthen the adhesive force between waterborne blotting coating and the base film, consequently, waterborne blotting coating is difficult to drop from the base film, and then the printing ink of printing or writing on the waterborne blotting coating is difficult to drop, and the membrane of can pasting of this application easily prints or writes, and the printing ink of printing or writing is difficult to erased.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

FIG. 1 is a cross-sectional view of one implementation of an attachable film provided by an embodiment of the present application;

fig. 2 is a schematic diagram of another implementation of an attachable film provided by an embodiment of the present application;

FIG. 3 is a cross-sectional view of yet another implementation of an attachable film provided by an embodiment of the present application;

fig. 4 is a schematic view of a release film layer and an auxiliary release film provided in an embodiment of the present application.

Detailed Description

In order to facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and specific embodiments. 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 be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.

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

Referring to fig. 1, the attachable film 100 includes: the water-based ink-absorbing coating comprises a water-based ink-absorbing coating 10, a water-based base coating 20, a base film 30, an adhesive layer 40 and a release film layer 50 which are sequentially stacked, wherein the water-based ink-absorbing coating 10 comprises water-based paint. The waterborne blotting coating 10 has good blotting function, and is difficult to erased after the blotting, waterborne priming coat 20 can strengthen the adhesive force between waterborne blotting coating 10 and the base film 30, consequently, waterborne blotting coating 10 is difficult to drop from the base film 30, and then the printing ink of printing or writing on the waterborne blotting coating 10 is difficult to drop, and the film 100 that can paste of this application is easily printed or is write, and the printing ink of printing or writing is difficult to erase.

For the aqueous ink-receptive coating 10 described above, the aqueous ink-receptive coating 10 comprises an aqueous coating, which in some embodiments is an aqueous environmentally friendly coating having high ink absorption properties, and high gloss.

Illustratively, in some embodiments, the aqueous ink-receptive coating comprises a polyvinyl alcohol microporous aqueous coating.

It is worth noting that in some embodiments, the thickness of the aqueous ink-receptive coating 10 is between 25-30 microns.

Notably, in some embodiments, the aqueous ink receptive coating 10 is applied over the aqueous base coating 20.

With the above-described aqueous primer layer 20, the aqueous primer layer 20 serves to improve the interfacial properties between the aqueous ink-receptive coating layer 10 and the base film 30, thereby enhancing the adhesion properties between the aqueous ink-receptive coating layer 10 and the base film 30.

In some embodiments, the aqueous base coat 20 is a modified aqueous polymeric resin, such as a modified aqueous polyurethane resin.

Notably, in some embodiments, the coating weight of the waterborne base coat 20 is between 2 and 3 grams per cubic meter.

With respect to the base film 30 described above, in some embodiments, the base film 30 transmits light, so that the attachable film 100 is not easily oppressed when applied, and the user experience is good.

In some embodiments, the base film 30 is a polypropylene film layer, or the base film 30 is a polyethylene film layer.

It is noted that in some embodiments, the base film 30 has a color, which may be a plurality of colors such as red, yellow, blue, green, violet, and the like. In preparing the base film 30, the finally molded base film 30 may have a certain color by adding a color master batch.

Notably, in some embodiments, the base film 30 has a thickness of between 50-80 microns.

As for the adhesive layer 40, one side of the adhesive layer 40 is used for adhering to the base film 30, and the other side of the adhesive layer 40 is used for adhering to the release film layer 50, so that the remaining adhesive film 100 can be adhered to a desired place when the release film layer 50 is removed.

In some embodiments, the adhesive layer 40 comprises a polyacrylic pressure sensitive adhesive.

It is noted that in some embodiments, the adhesive layer 40 has a thickness of 15-25 microns.

In the case of the release film layer 50, when the attachable film 100 is used, the release film layer 50 needs to be removed to attach the adhesive layer 40 to a desired place.

It is worth noting that in some embodiments, the release film layer 50 comprises a silicone oil release film.

It is worth noting that in some embodiments, the release film layer 50 has a thickness of 50-100 microns.

With respect to the above-described attachable film 100 formed by sequentially stacking the aqueous ink absorbing coating layer 10, the aqueous base coating layer 20, the base film 30, the adhesive layer 40, and the release film layer 50, in some embodiments, referring to fig. 2, the attachable film 100 is provided with a functional region 10a and a decorative region 10b, wherein the functional region 10a is used for printing or writing, and wherein the decorative region 10b is used for providing a decorative object such as a pattern texture, a flash point, etc. to decorate the attachable film 100. Wherein, the decorative area 10b surrounds the functional area 10 a.

With the functional region 10a described above, the outer contour of the functional region 10a is provided with a marker line 10a 1. In some embodiments, the aqueous ink absorbing coating 10 is transparent, the aqueous base coating layer 20 is transparent, and the marking line 10a1 is disposed on the base film 30, so that, on the one hand, the functional region 10a can be clearly marked by the marking line 10a1, and, on the other hand, since the aqueous base coating layer 20 and the aqueous ink absorbing coating layer 10 are disposed on the marking line 10a1, the marking line 10a1 is not easily erased, i.e., the marking line 10a1 can be ensured to remain on the attachable film 100 for a long time, and on the other hand, the marking line 10a1 disposed on the base film 30 also has a cubic effect as viewed from the aqueous ink absorbing coating layer 10 toward the marking line 10a1, and the attachable film 100 has a strong visibility.

It is noted that the form of the marking line 10a1 may be various, such as a straight line, a curved line, a broken line, and the like.

It is noted that the marking line 10a1 may also be of multiple colors, such as red, yellow, blue, green, purple, and the like. Of course, the marking line 10a1 may also be a combination of colors, forming a seven-color, and the like.

With respect to the above-described functional region 10a, the functional region 10a may also be provided with a plurality of positioning points 10a2, the plurality of positioning points 10a2 being used for positioning at the time of printing or writing.

It will be appreciated that the plurality of anchor points 10a2 may also constitute anchor lines, so that the anchor lines are located when printed or written.

Of course, the plurality of anchor points 10a2 may also be disposed on the base film 30 to achieve the same effect as the marking lines 10a1 disposed on the base film 30.

It is to be understood that the attachable film 100 may be provided without the decorative region 10b, only with the functional region 10 a.

With respect to the above-mentioned attachable film 100, in some embodiments, referring to fig. 3 and 4, the attachable film 100 further includes an auxiliary release film 60 in addition to the above-mentioned aqueous ink-receptive coating 10, the aqueous primer coating 20, the base film 30, the adhesive layer 40, and the release film layer 50, the auxiliary release film 60 is located between the adhesive layer 40 and the release film layer 50, and the area of the auxiliary release film 60 is smaller than the area of the release film. When the attachable film 100 is attached to a desired place, the auxiliary release film 60 is removed, the adhesive layer 40 is attached to the desired place at a position corresponding to the auxiliary release film 60, and finally the release film layer 50 is removed, so that the attachable film 100 is completely attached to the desired place.

The auxiliary release film 60 may also include the silicone oil release film.

It is worth noting that in some embodiments, the thickness of the auxiliary release film 60 is 50 to 100 micrometers.

It can be understood that, when the attachable film 100 includes the auxiliary release film 60, since the positions of the release film layer 50 corresponding to the auxiliary release film 60 are not attached to the adhesive layer 40, the positions of the release film layer 50 corresponding to the auxiliary release film 60 can be grasped when removing the release film layer 50, so as to rapidly remove the release film layer 50.

It should be noted that, in some embodiments, in order to facilitate the removal of the auxiliary release film 60, please refer to fig. 4, a hand tearing portion 601 extends from the auxiliary release film 60, and the hand tearing portion 601 is exposed, that is, the hand tearing portion 601 is not adhered to the adhesive layer 40, so that the auxiliary release film 60 can be conveniently and quickly removed from the adhesive layer 40 by tearing the hand tearing portion 601.

In the embodiment of the present application, the attachable film 100 includes: the water-based ink-absorbing coating comprises a water-based ink-absorbing coating 10, a water-based base coating 20, a base film 30, an adhesive layer 40 and a release film layer 50 which are sequentially stacked, wherein the water-based ink-absorbing coating 10 comprises water-based paint. The waterborne blotting coating 10 has good blotting function, and is difficult to erased after the blotting, waterborne priming coat 20 can strengthen the adhesive force between waterborne blotting coating 10 and the base film 30, consequently, waterborne blotting coating 10 is difficult to drop from the base film 30, and then the printing ink of printing or writing on the waterborne blotting coating 10 is difficult to drop, and the film 100 that can paste of this application is easily printed or is write, and the printing ink of printing or writing is difficult to erase.

It should be noted that the description of the present application and the accompanying drawings set forth preferred embodiments of the present application, however, the present application may be embodied in many different forms and is not limited to the embodiments described in the present application, which are not intended as additional limitations to the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. Moreover, the above-mentioned technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope described in the present specification; further, modifications and variations may occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the scope of the appended claims.

Claims (10)

1. An attachable film, comprising: the water-based ink-absorbing coating comprises a water-based paint.

2. The attachable film of claim 1 wherein said aqueous base coat comprises a modified aqueous polymeric resin.

3. The attachable film of claim 1 wherein the base film comprises a polypropylene film layer.

4. The attachable film of claim 1 wherein said adhesive layer comprises a polyacrylic pressure sensitive adhesive.

5. The attachable film of claim 1 wherein the release film layer comprises a silicone oil release film.

6. The attachable film according to any one of claims 1 to 5, wherein the attachable film is provided with a functional region for printing or writing, and an outer contour of the functional region is provided with a marking line.

7. The conformable film of claim 6, wherein said aqueous ink-receptive coating is light-transmissive, said aqueous base coating is light-transmissive, and said marking line is disposed on said base film.

8. The attachable film according to claim 6, wherein the functional region is provided with a plurality of positioning points for positioning at the time of printing or writing.

9. The attachable film of claim 6 wherein said attachable film is provided with a decorative region, said decorative region surrounding said functional region.

10. The attachable film of claim 1 further comprising an auxiliary release film, said auxiliary release film being positioned between said adhesive layer and said release film layer, said auxiliary release film having an area smaller than an area of said release film.

Images