CN215826158U

CN215826158U - Self-adhesive writable plastic paper

Info

Publication number: CN215826158U
Application number: CN202121074151.3U
Authority: CN
Inventors: 黄坤
Original assignee: Guangdong Shengke Decoration Materials Co ltd
Current assignee: Guangdong Shengke Decoration Materials Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-02-15
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses self-adhesion type writable plastic paper, which consists of a writing layer and an electrostatic layer, wherein when in use, the electrostatic layer of a bottom layer is leveled with the plane of an object to fix the whole plastic paper without glue or double-sided adhesive or a special bracket, the adhesion is strong, the plastic paper is not easy to fall off, the use is convenient and quick, and after the use is finished, the plastic paper is only required to be slightly peeled off from a carrier, so that the quick paper removing operation is convenient to realize.

Description

Self-adhesive writable plastic paper

Technical Field

The utility model belongs to the field of synthetic paper, and particularly relates to self-adhesive writable plastic paper.

Background

The synthetic paper is used as a substitute product of the traditional paper, and the material components of the synthetic paper are mainly high molecular materials (such as polyethylene and polypropylene), so that the synthetic paper has environmental protection and recycling property, and is widely applied to the industries of civil life, office work and the like. After being further expanded, the synthetic paper can be used as writing paper, decorative window paper, wall hanging maps, commodity labels, outdoor advertisements and the like.

As is well known, in teaching, scientific research, and office meetings, in a traditional writing application scenario, a whiteboard or an electronic board is erasable. Although the whiteboard needs a special support to realize mobility, the whole whiteboard device occupies a larger space, and the operation by one person in the moving process is more troublesome, so that the application place is limited to a certain extent. However, the electronic board is not easy to be popularized due to its high purchase cost, because the electronic board has a large damage to human eyes, the display screen of the electronic board is small, or the screen of the electronic board is large enough.

For solving the erasable, movable and portable problems of the writing carrier, a solution has been made, for example, chinese patent document CN211280405U discloses a white board writing film, which is prepared by coating a cured wear-resistant writing coating on one side of a white PET base film, foaming a polyurethane foam layer on the other side of the white PET base film, and then coating an industrial double-sided adhesive on the polyurethane foam layer, so that the writing film can be coated on the plane of objects such as buildings, tables, glass, color steel plates, etc. for erasable writing, and the movable property is also solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide erasable, portable and glue-free self-adhesive writable plastic paper.

In order to solve the technical problems, the utility model adopts the technical scheme that: a self-adhesive writable plastic paper is composed of a writing layer as surface layer for writing and a planar electrostatic layer as bottom layer for adhering the plastic paper to object.

Furthermore, a reinforcing layer for enhancing the transparency and toughness of the plastic paper is compounded between the writing layer and the electrostatic layer.

Furthermore, the thickness of the writing layer is 0.01-0.03 mm, the thickness of the reinforcing layer is 0.05-0.08 mm, and the thickness of the static layer is 0.01-0.03 mm.

Further, the electrostatic layer is composed of a partition layer, a storage layer, and a protective layer.

Furthermore, the thickness of the separation layer is 0.005-0.008 mm, the thickness of the storage layer is 0.005-0.010 mm, and the thickness of the protection layer is 0.005-0.008 mm.

Further, the material of the writing layer is polypropylene, PVC or PET.

According to the technical scheme, the writing layer and the electrostatic layer are compounded into the plastic paper, so that when the writing paper is used, the electrostatic layer of the bottom layer is leveled to the plane of an object, glue or double-sided adhesive is not needed, a special support is not needed, the adhesion is strong, the writing paper is not easy to fall off, and the writing paper is convenient and quick to use; after the paper removing device is used, the plastic paper is only required to be slightly peeled off from the carrier, so that the paper removing operation can be conveniently and quickly realized; the water-based handwriting pen is used for writing on the surface writing layer of the plastic paper randomly, and can be erased, written or altered at any time in the writing process, so that a blackboard, a white board and an electronic board are completely replaced; after writing, regardless of the retention time of the handwriting, the handwriting can be erased by using the paper towel or the cloth, so that the effect of recycling is achieved, and the use amount of the traditional paper is saved.

Drawings

Fig. 1 is a schematic view of the structure of the material layers of the self-adhesive writable plastic paper.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the self-adhesive writable plastic paper consists of a writing layer 1 on the surface, an intermediate reinforcing layer 2 and an electrostatic layer 3 on the bottom surface.

The writing layer is used as a surface layer of the plastic paper, and the writing layer on the surface can be used for writing by using the water-based pen as a writing function. The writing layer is made of polypropylene, PVC or PET materials, and the thickness of the writing layer is 0.01-0.03 mm.

The reinforced layer is used as an intermediate layer of the plastic paper and determines the transparency and toughness of the plastic paper. The reinforced layer is made of polypropylene mixed with titanium white, wherein the polypropylene accounts for 60-80%, and the titanium white accounts for 20-40%. The titanium dioxide serves for adjusting the whiteness of the plastic paper, and the thickness of the titanium dioxide is 0.05-0.08 mm.

The electrostatic layer is used as a bottom layer of the plastic paper and used for adhering the plastic paper to a plane of an object (such as a wall surface and a plate surface), and the thickness of the electrostatic layer is 0.01-0.03 mm. The electrostatic layer 3 is composed of a separating layer 3.1, a storage layer 3.2 and a protective layer 3.3, wherein the separating layer 3.1 is adjacent to the enhancement layer 2, the storage layer 3.2 is positioned in the middle of the electrostatic layer 3, and the protective layer is in contact with the plane of the adhered object. The thickness of the separation layer 3.1 is 0.005-0.008 mm, the thickness of the storage layer 3.2 is 0.005-0.010 mm, and the thickness of the protection layer 3.3 is 0.005-0.008 mm. The separation layer 3.1 and the protective layer 3.3 are both made of tourmaline materials. The storage layer is made of polypropylene and polytetrafluoroethylene, wherein the ratio of polypropylene to polytetrafluoroethylene is 60-90%, and the ratio of polytetrafluoroethylene to polytetrafluoroethylene is 10-40%.

When the self-adhesion type writable plastic paper is used, a piece (block) of plastic paper is taken, the electrostatic layer of the bottom layer is leveled on the plane of an object, glue or double-sided adhesive is not needed, a special support is not needed, the adhesion is strong, the plastic paper is not easy to fall off, and the use is convenient and quick. The water-based writing pen is used for writing on the surface writing layer of the plastic paper randomly, can be erased or corrected at any time in the writing process, and completely replaces a blackboard, a whiteboard and an electronic board. After writing, regardless of the retention time of the handwriting, the handwriting can be erased by using the paper towel or the cloth, so that the effect of recycling is achieved, and the use amount of the traditional paper is saved. After the paper removing device is used, the plastic paper is only required to be slightly peeled off from the carrier, and then the paper removing operation is rapidly realized. When idle plastic paper, only need roll up, just realized accomodating, can not occupation space, can be carried at any time.

The preparation process of the self-adhesive writable plastic paper comprises the following steps: 1. respectively mixing and melting the raw materials of each layer; 2. then sending the mixed and melted materials into an internal mixer for preplasticizing; 3. then the mixture enters an extruder to be repeatedly plasticized and plasticized; 4. then the mixture enters a forming machine to be calendered (cast) to form a layer; 5. and finally, laminating the molding materials of all layers into the plastic paper in a hot pressing mode.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. A self-adhesive writable plastic paper is characterized in that: the writing layer is used for writing and the plane electrostatic layer is used for adhering the plastic paper to an object.

2. The self-adhesive writable plastic paper according to claim 1, characterized in that: and a reinforcing layer for reinforcing the transparency and toughness of the plastic paper is compounded between the writing layer and the electrostatic layer.

3. The self-adhesive writable plastic paper according to claim 2, characterized in that: the thickness of the writing layer is 0.01-0.03 mm, the thickness of the reinforcing layer is 0.05-0.08 mm, and the thickness of the static layer is 0.01-0.03 mm.

4. The self-adhesive writable plastic paper according to claim 2, characterized in that: the electrostatic layer is composed of a separation layer, a storage layer and a protective layer.

5. The self-adhesive writable plastic paper according to claim 4, characterized in that: the thickness of the separation layer is 0.005-0.008 mm, the thickness of the storage layer is 0.005-0.010 mm, and the thickness of the protective layer is 0.005-0.008 mm.

6. The self-adhesive writable plastic paper according to claim 1, characterized in that: the writing layer is made of polypropylene, PVC or PET.