CN216579890U - Portable whiteboard film - Google Patents

Abstract

The utility model provides a portable white board film which comprises a white board film main body, and a protective layer, a functional layer, a polyester film layer, a glue layer, a base film layer, a silica gel layer and a release layer are sequentially arranged from top to bottom. The whiteboard film can be attached to a desktop, a wall surface and other smooth planes; the product can be made into different standardized specifications, can be rolled up, and is convenient to store and carry; the white board film coating has good ink permeability resistance, can be scrawled and wiped repeatedly, does not leave marks, and does not permeate ink; no gum is left, no gum residue is left after the adhesive is torn off, and the adhesive is easy to clean.

Description

Portable whiteboard film

Technical Field

The utility model mainly relates to the technical field of writing teaching aids, in particular to a portable whiteboard membrane.

Background

The white board is a tool commonly used in daily life and work and study of people, a water-based pen or an oil-based pen is used for writing on the white board and is easy to erase, and a common white board is mostly made of wood, metal and plastic and is fixed on the ground or a wall surface by a support or a hook, so that the white board has the defects of high manufacturing cost, large occupied space, difficulty in carrying, inconvenience in moving, incapability of being worn and replaced and the like.

With the technological progress, the defect of the traditional white board can be overcome by the appearance of the white board film, the traditional white board can be replaced in most of using scenes, but the existing white board film also has the following problems: 1. the white board film is not firmly attached to the base material and is easy to fall off; 2. after the white board film is uncovered, the residual glue is easy to generate. Therefore, the white board film in the prior art needs to be effectively improved, and the problems that the white board film is easy to fall off and the residual glue is easy to generate after the white board film is uncovered are solved.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a portable whiteboard film, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a portable whiteboard membrane, includes whiteboard membrane main part, whiteboard membrane main part includes the base film layer, the last downside of base film layer is glue layer and silica gel layer respectively, glue layer top is equipped with the polyester film layer, polyester film layer top is equipped with the functional layer, one side relative with the polyester film layer on the functional layer is equipped with the protective layer, just silica gel layer bottom is equipped with from the type layer.

Preferably, the base film layer is a PVC film with the thickness of 100 μm-2mm, and the color can be white or colored according to the use requirements of customers. Preferably, the glue layer is a transparent adhesive layer with a thickness of 10-30 μm. The adhesive is used for bonding an upper layer film material and a lower layer film material, has good adhesion to PET and PVC, is highly transparent, and uses a solvent without DMF and toluene. Preferably, the silica gel layer is a viscous silica gel layer with the thickness of 25-100 μm. The adhesive is made of a silicon rubber material with viscosity, has the advantages of good attaching and adsorbing effects, easy cleaning after being soiled and the like, and is easy to clean after being adhered and peeled for a long time. Preferably, the polyester film layer is a transparent PET film with the thickness of 38-100 μm. Preferably, the functional layer is a white board film coating layer, and the white board film coating layer is a UV photocuring matte coating layer with the thickness of 1-8 μm. Has the advantages of easy wiping, good flexibility, good scraping resistance and wear resistance, etc. Preferably, the protective layer is an electrostatic film, and the electrostatic film is a PE film or a PP film. The electrostatic film is adsorbed on the outermost surface of the white board film to play a role in protection, and the electrostatic film is mainly characterized by being free of glue, keeping the surface smooth, not damaging a functional coating, and facilitating the surface coating of the white board film not to be scraped or collided in the storage and transportation processes.

Preferably, the release layer is a layer of non-silicon release film or non-silicon release paper. The white board film is protected from being abraded in the storage and transportation processes after being rolled, and is peeled off from the silica gel surface during use. Compared with the prior art, the utility model has the beneficial effects that:

the utility model can be attached to the tabletop, the wall surface and other smooth planes, can be made into different standardized specifications, can be rolled up, and is convenient to store and carry; the white board film coating has good ink penetration resistance, can be scrawled and wiped for multiple times, does not leave marks, and is not penetrated by ink; no gum is left, no residual gum is left after the adhesive is attached and torn off, and the cleaning is easy.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the main structure of the whiteboard film of the present invention.

In the figure: 1. a whiteboard film body; 2. a protective layer; 3. a functional layer; 4. a polyester film layer; 5. a glue layer; 6. a base film layer; 7. a silica gel layer; 8. and a release layer.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model. Example (b): referring to fig. 1 and 2, the portable white board film comprises a white board film main body 1, wherein the white board film main body 1 comprises a base film layer 6, a glue layer 5 and a silica gel layer 7 are respectively arranged on the upper side and the lower side of the base film layer 6, a polyester film layer 4 is arranged on the top of the glue layer 5, a functional layer 3 is arranged on the top of the polyester film layer 4, a protective layer 2 is arranged on one side, opposite to the polyester film layer 4, of the functional layer 3, and a release layer 8 is arranged at the bottom of the silica gel layer 7.

The base film layer 6 is a PVC film with a thickness of 200 μm and white color.

The glue layer 5 is a transparent adhesive layer with a thickness of 25 μm, and preferably adopts UC-1208 series products manufactured by Guangdong solidification science and technology Limited.

The silica gel layer 7 is a viscous silica gel layer with the thickness of 50 μm,

the polyester film layer 4 is a transparent PET film with a thickness of 50 μm.

The functional layer 3 is a white board film coating layer with the thickness of 5 mu m, is a UV photocuring matte coating layer, and preferably adopts UV-6001 series products produced by Guangdong nation solidification science and technology Limited.

The protective layer 2 is an electrostatic film, and a PE film is adopted.

The release layer 8 is a layer of non-silicon release paper.

The specific operation mode of the utility model is as follows:

coating adhesive glue on one surface of a PVC (polyvinyl chloride) substrate (a base film layer 6) to form a glue layer 5, and after drying a solvent in a box, adhering a transparent PET (polyethylene terephthalate) film 4; then coating a functional layer 3 (namely a white board layer) -UV (ultraviolet) light curing matte coating on the other surface of the transparent PET film 4 through a coating machine, and attaching an electrostatic protection film during winding after curing; then coating silicon rubber on the other side of the PVC substrate to form a silica gel layer 7, then attaching a release layer 8, and finally forming a master roll; curing in an oven at 50-60 deg.C for 2-3 days. When the whiteboard is used, the electrostatic protection film and the release layer are torn, the whiteboard film is pasted on a pasted object by the silica gel layer 7, and then a water-based pen or an oil-based pen and the like can be used for writing on the whiteboard film.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (8)

1. The utility model provides a portable whiteboard membrane, includes whiteboard membrane main part (1), its characterized in that, whiteboard membrane main part (1) includes base membrane layer (6), the last downside of base membrane layer (6) is glue layer (5) and silica gel layer (7) respectively, glue layer (5) top is equipped with polyester film layer (4), polyester film layer (4) top is equipped with functional layer (3), one side relative with polyester film layer (4) is equipped with protective layer (2) on functional layer (3), just silica gel layer (7) bottom is equipped with from type layer (8).

2. The portable whiteboard film of claim 1, wherein the base film layer (6) is a PVC film with a thickness of 100 μm-2 mm.

3. The portable whiteboard film of claim 1, wherein the glue layer (5) is a transparent adhesive glue layer with a thickness of 10-30 μm.

4. The portable whiteboard membrane of claim 1, wherein the silicone layer (7) is an adhesive silicone rubber layer with a thickness of 25-100 μm.

5. The portable whiteboard film of claim 1, wherein the polyester film layer (4) is a transparent PET film with a thickness of 38-100 μm.

6. The portable whiteboard film according to claim 1, wherein the functional layer (3) is a whiteboard film coating layer, and the whiteboard film coating layer is a UV photocuring matte coating layer with a thickness of 1-8 μm.

7. The whiteboard film of claim 1, wherein the protective layer (2) is an electrostatic film, and the electrostatic film is a PE film or a PP film.

8. The portable whiteboard film according to claim 1, wherein the release layer (8) is a non-silicon release film or a non-silicon release paper.

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