CN211280405U - Just, paste formula blank and write membrane - Google Patents

Abstract

The utility model discloses a just, paste formula blank writing membrane, including white PET base film, the upper surface of white PET base film is equipped with wear-resisting writing coating, the lower surface of white PET base film is equipped with soft cotton layer, the soft cotton layer deviates from sticky double-sided adhesive layer on the terminal surface of white PET base film, the double-sided adhesive layer is used for with writing membrane bonds on the holding surface; the thickness of the writing film is 210-250 micrometers, the thickness of the white PET base film is 50-60 micrometers, the thickness of the wear-resistant writing coating is 8-12 micrometers, the thickness of the soft cotton layer is 100-120 micrometers, and the thickness of the double-sided adhesive tape is 50-60 micrometers. The utility model discloses a write membrane portability, portable, write the smoothness, paste dress dismantlement convenience and use repeatedly.

Description

Just, paste formula blank and write membrane

Technical Field

The utility model belongs to the technical field of the writing instrument and specifically relates to just, paste formula blank and write membrane.

Background

In traditional teaching, scientific research, factories and commercial meetings, a blackboard is usually used as a writing carrier and can only be written by chalk, so that dust pollution is serious. With the development of science and technology, people invent the electronic whiteboard again, but the electronic whiteboard has great harm to human eyes and can be used only by keeping power on. Therefore, the whiteboard written by the water pen is also most suitable for teaching, factories and business meetings. However, the existing whiteboard is inconvenient to carry and move, and has certain limitation on applicable places. Therefore, a conventional whiteboard is replaced with a writing film. However, the existing writing film has the defects of unsmooth writing, inconvenient disassembly, incapability of being repeatedly used and high cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect of existence among the above-mentioned prior art, provide a portability, portable, write the smoothness, paste dress dismantlement convenience, the just attached whiteboard of using repeatedly writes the membrane.

In order to solve the technical problem, the utility model adopts the following technical scheme that the convenient-to-paste whiteboard writing film comprises a white PET base film, wherein the upper surface of the white PET base film is provided with a wear-resistant writing coating, the lower surface of the white PET base film is provided with a soft cotton layer, the soft cotton layer deviates from an adhesive double-sided adhesive layer on the end surface of the white PET base film, and the double-sided adhesive layer is used for adhering the writing film on a supporting surface; the thickness of the writing film is 210-250 micrometers, the thickness of the white PET base film is 50-60 micrometers, the thickness of the wear-resistant writing coating is 8-12 micrometers, the thickness of the soft cotton layer is 100-120 micrometers, and the thickness of the double-sided adhesive tape is 50-60 micrometers.

As a further elaboration of the above technical solution:

in the above technical scheme, wear-resisting writing is gone up and is glued from the type membrane through the OCA glue film, the lower terminal surface of two-sided glue film is established from type adhesive tape.

In the technical scheme, the wear-resistant writing coating is an acrylic resin coating doped with a fluorine auxiliary agent.

In the technical scheme, the soft cotton layer is a polyurethane cotton layer.

In the technical scheme, the white PET base film is a PET film with the thickness of 50 microns, the thickness of the wear-resistant writing coating is 10 microns, the thickness of the soft cotton layer is 100 microns, and the thickness of the double-sided adhesive tape layer is 50 microns.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model can lead writing to be smooth and the characters written can be easily wiped by coating the solidified wear-resistant writing coating on one side of the white PET base film, the other side of the white PET base film is provided with the foamed polyurethane cotton layer, and then the polyurethane cotton layer is coated with the industrial double-faced adhesive tape, and the polyurethane cotton layer is soft, thus effectively ensuring the flatness on the attached object; the utility model discloses a write the membrane and can paste and cover at objects such as glass, various steel sheet, cement, write smoothly, dismantle simple and easy, can use repeatedly, low cost.

Drawings

FIG. 1 is a structural level diagram of a writing film of the present invention;

fig. 2 is a structure level diagram of the writing film composite release film of the utility model.

In the figure, 100. white PET base film, 200. wear-resistant writing coating, 300. soft surface layer, 400. double-sided adhesive layer, 500.OCA adhesive layer, 600. release film, 700. release adhesive paper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a lesser level than the second feature

Fig. 1 is a structure level diagram of the writing film of the present invention, and fig. 2 is a structure level diagram of the writing film composite release film of the present invention. The portable whiteboard writing film is a portable and movable writing tool with freely-cut size. The writing film of the embodiment comprises a white PET (polyethylene terephthalate) base film 100, wherein a wear-resistant writing coating layer 200 is arranged on the upper surface of the white PET base film 100, a soft cotton layer 300 is arranged on the lower surface of the white PET base film 100, the end surface of the soft cotton layer 300, which deviates from the white PET base film 100, is glued with a double-sided adhesive layer 400, and the double-sided adhesive layer 400 is used for gluing the writing film on a supporting surface (the supporting surface comprises glass, a color steel plate and cement ground); the total thickness of the writing film is 210-250 mu m, the thickness of the white PET base film 100 is 50-60 mu m, the thickness of the wear-resistant writing coating layer 200 is 8-12 mu m, the thickness of the soft cotton layer 300 is 100-120 mu m, and the thickness of the double-sided adhesive layer 400 is 50-60 mu m.

It is understood that, in other embodiments, in order to prevent dust before the writing film is attached to the writing pad, the abrasion-resistant writing coating layer 200 is adhered with a release film 600 through an OCA adhesive layer 500, and a release adhesive paper 700 is disposed on the lower end surface of the double-sided adhesive layer 400. When the film is written in actual use, tear off from type adhesive tape 700 earlier, then paste whole writing film on glass, various steel sheet, cement are subaerial, then tear off from type film 600 on the wear-resisting coating 200 of writing, then write at wear-resisting coating 200 of writing.

It is to be appreciated that in other embodiments, the wear resistant writing coating 200 is a fluorine-doped acrylic coating in order to meet writing requirements.

It is understood that, in other embodiments, in order to ensure the flatness of the writing film on the adherend, the soft cotton layer 300 is a polyurethane cotton layer, and the polyurethane cotton layer is foam-molded between the white PET base film 100.

An example of a writing film is preferred, the white PET base film 100 is a PET film with a thickness of 50 μm, the wear-resistant writing coating layer 200 is 10 μm, the soft cotton layer 300 is 100 μm, and the double-sided adhesive layer 400 is 50 μm.

The utility model can lead writing to be smooth and the characters written can be easily wiped by coating the solidified wear-resistant writing coating on one side of the white PET base film, the other side of the white PET base film is provided with the foamed polyurethane cotton layer, and then the polyurethane cotton layer is coated with the industrial double-faced adhesive tape, and the polyurethane cotton layer is soft, thus effectively ensuring the flatness on the attached object; the utility model discloses a write the membrane and can paste and cover at objects such as glass, various steel sheet, cement, write smoothly, dismantle simple and easy, can use repeatedly, low cost.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (4)

1. A conveniently-pasted whiteboard writing film is characterized by comprising a white PET base film, wherein a wear-resistant writing coating is arranged on the upper surface of the white PET base film, a soft cotton layer is arranged on the lower surface of the white PET base film, a double-sided adhesive layer is adhered to the end surface of the soft cotton layer, which is far away from the white PET base film, and the double-sided adhesive layer is used for adhering the writing film to a supporting surface; the thickness of the writing film is 210-250 micrometers, the thickness of the white PET base film is 50-60 micrometers, the thickness of the wear-resistant writing coating is 8-12 micrometers, the thickness of the soft cotton layer is 100-120 micrometers, and the thickness of the double-sided adhesive tape is 50-60 micrometers.

2. The film as claimed in claim 1, wherein the wear-resistant writing coating layer is adhered with a release film through an OCA adhesive layer, and the lower end surface of the double-sided adhesive layer is provided with release adhesive paper.

3. The film as claimed in claim 2, wherein the soft cotton layer is a polyurethane cotton layer.

4. The easy-to-stick whiteboard writing film according to any one of claims 2 to 3, wherein the white PET base film is a 50 μm thick PET film, the wear-resistant writing coating is 10 μm thick, the soft cotton layer is 100 μm thick, and the double-sided adhesive layer is 50 μm thick.

Images