High-strength writable PVC (polyvinyl chloride) film

Abstract

The utility model discloses a high-strength writable PVC (polyvinyl chloride) film which comprises a first PVC base layer, a movable adhesive layer and release paper are sequentially arranged below the first PVC base layer, an anti-collision layer is arranged above the first PVC base layer, a magnetic coating is arranged on the anti-collision layer, and a writing layer is arranged above the magnetic coating. The PVC film covering the wall can be used for repeated writing and can be magnetically attracted; by arranging the anti-collision layer, the user is prevented from colliding with the wall to be damaged in the writing process.

Description

Technical Field

[0001] The utility model belongs to the technical field of PVC films, and more specifically relates to a high-strength writable PVC film. Background Art

[0002] The main component of PVC is polyvinyl chloride, which is slightly yellow and translucent and shiny. Its transparency is better than that of polyethylene and polypropylene, but worse than that of polystyrene. Depending on the amount of additives used, it is divided into soft and hard polyvinyl chloride. Soft products are soft and tough, and feel sticky. The hardness of hard products is higher than that of low-density polyethylene, but lower than that of polypropylene, and whitening will occur at the bends. Common products: plates, pipes, soles, toys, doors and windows, wire sheaths, stationery, etc.

[0003] PVC film is a transparent film structure made of polyvinyl chloride. It is usually pasted on an object to protect it. Some PVC films are used as wall films and applied to walls, but most of the patterns on their surfaces are decorative and cannot be written on. Some children in some families like to paint on the walls, which damages the surface of the PVC film. Utility Model Content

[0004] The purpose of the utility model is to provide a high-strength writable PVC film to solve the problems raised in the above background technology.

[0005] The technical solution of the utility model is as follows: a high-strength writable PVC film, comprising a first PVC base layer, a removable adhesive layer and a release paper are arranged in sequence below the first PVC base layer, an anti-collision layer is arranged above the first PVC base layer, a magnetic coating is arranged on the anti-collision layer, and a writing layer is arranged above the magnetic coating.

[0006] Preferably, the anti-collision layer is filled with an inert gas.

[0007] Preferably, a second PVC base layer is provided between the magnetic coating and the writing layer.

[0008] Preferably, the writing layer is formed by coating a magnetic coating on the second PVC base layer.

[0009] Preferably, the writing layer is formed by coating a ceramic coating on the second PVC base layer.

[0010] Preferably, tensile-resistant fibers are embedded in both the first PVC base layer and the second PVC base layer.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a magnetic coating and a writing layer, the PVC film covering the wall can be repeatedly written on and can be magnetically attracted; by providing an anti-collision layer, it is prevented that the user collides with the wall during writing and causes damage.

[0012] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following specifically cites the preferred embodiments and describes them in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Among them: 1. Release paper; 2. Removable adhesive layer; 3. First PVC base layer; 4. Second PVC base layer; 5. Tensile fiber; 6. Magnetic coating; 7. Writing layer; 8. Anti-collision layer; 9. Sealing layer. DETAILED DESCRIPTION

[0015] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] A high-strength writable PVC film comprises a first PVC base layer 3, a removable adhesive layer 2 and a release paper 1 are arranged in sequence below the first PVC base layer 3, an anti-collision layer 8 is arranged above the first PVC base layer 3, a magnetic coating 6 is arranged on the anti-collision layer 8, a writing layer 7 is arranged above the magnetic coating 6, and the anti-collision layer 8 is filled with an inert gas.

[0019] The anti-collision layer 8 is located between the first PVC base layer 3 and the magnetic coating 6, which can ensure that when the writing layer 7 is used normally, it can protect the user from the injury of the head hitting the wall when writing. The inert gas filled in the anti-collision layer 8 can soften the writing layer 7 and effectively protect the writing layer 7 from being damaged by the sharp pen tip.

[0020] In this embodiment, a sealing layer 9 is provided on both the side of the anti-collision layer 8 close to the magnetic coating 6 and the side close to the first PVC base layer 3, so that the gas in the anti-collision layer 8 will not leak.

[0021] In this embodiment, a second PVC base layer 4 is preferably provided between the magnetic coating 6 and the writing layer 7 .

[0022] In this embodiment, the second PVC base layer 4 is arranged between the magnetic coating 6 and the writing layer 7 to increase the surface hardness of the writing layer 7, and the second PVC base layer 4 and the first PVC base layer 3 wrap the magnetic coating 6 to protect the integrity of the magnetic coating 6.

[0023] The preferred writing layer 7 of this embodiment is formed by coating a magnetic coating on the second PVC base layer 4 .

[0024] In this embodiment, the writing layer 7 is made of magnetic paint, and the writing layer 7 can be written with a magnetic marker pen, and a magnetic material is contained in the pen tip. After writing, a magnetic eraser is used to contact the surface of the writing layer 7, and the magnetic material is affected by the magnetic force of the eraser, and the contact between the pen tip and the surface of the writing layer 7 is released, thereby achieving erasure.

[0025] The preferred writing layer 7 in this embodiment is formed by coating a ceramic coating on the second PVC base layer 4 .

[0026] In this embodiment, the writing layer 7 is made of ceramic coating, and the writing layer 7 can be written with a common whiteboard pen, and its pen tip is usually made of a special fiber material. After writing is completed, the surface of the writing layer 7 is contacted with a whiteboard eraser, and the friction force causes the contact between the fiber material and the surface of the writing layer 7 to be released, thereby achieving erasure.

[0027] In this embodiment, preferably, tensile-resistant fibers 5 are embedded in the first PVC base layer 3 and the second PVC base layer 4 .

[0028] Specifically, the tensile-resistant fibers 5 are embedded in the first PVC base layer 3, that is, the tensile-resistant fibers 5 are preferably arranged in advance during production, and then wrapped inside when the PVC base layer is formed, so that the two become one, which can increase the tensile resistance of the PVC base layer.

[0029] This embodiment discloses a high-strength writable PVC film. By providing a magnetic coating 6 and a writing layer 7, the PVC film covered on the wall can be repeatedly written on and can be magnetically attracted. By providing an anti-collision layer 8, it is prevented from colliding with the wall and causing damage during writing.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-strength writable PVC film, characterized in that: The invention comprises a first PVC base layer (3), a removable adhesive layer (2) and a release paper (1) are sequentially arranged below the first PVC base layer (3), an anti-collision layer (8) is arranged above the first PVC base layer (3), a magnetic coating (6) is arranged on the anti-collision layer (8), and a writing layer (7) is arranged above the magnetic coating (6).

2. A high-strength writable PVC film according to claim 1, characterized in that: A second PVC base layer (4) is provided between the magnetic coating (6) and the writing layer (7).

3. A high-strength writable PVC film according to claim 2, characterized in that: The writing layer (7) is formed by coating a magnetic coating on the second PVC base layer (4).

4. The high-strength writable PVC film according to claim 2, characterized in that: The writing layer (7) is formed by coating a ceramic coating on the second PVC base layer (4).

5. The high-strength writable PVC film according to any one of claims 3 or 4, characterized in that: Anti-tensile fibers (5) are embedded in both the first PVC base layer (3) and the second PVC base layer (4).

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