PE protective film with good scratch resistance

Abstract

The utility model discloses a PE protective film with good scratch resistance, which comprises a base material layer, the upper surface and the lower surface of the base material layer are respectively adhered with a heat insulation layer, the surface of the heat insulation layer at the upper side is adhered with a flame-retardant layer, and the surface of the flame-retardant layer and the surface of the heat insulation layer at the lower side are respectively adhered with a tensile scratch-resistant layer. And a bottom layer is adhered to the surface of the lower tensile and scratch-resistant layer. The tensile and scratch-resistant layer is arranged on the polyethylene base material layer, the arranged elastic reinforcing ribs can improve the strength and flexibility of the protective film, in addition, the thick woven belts and the thin woven belts which are arranged in a staggered mode are arranged in the polyester elastic layer, and the woven structure can further improve the toughness of the protective film; carbon dioxide pre-stored in the snakelike gas collecting groove enables open fire not to easily burn and damage the protective film, in addition, flame-retardant blocks are arranged in the bubbles, the flame-retardant fibers are adopted, good fireproof performance and high-temperature stability are achieved, and the protective film is prevented from being curled up and damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of PE protective film production, in particular to a PE protective film with good scratch resistance. Background Art

[0002] PE protective film is the simplest macromolecular organic compound and the most widely used macromolecular material in the world today. PE protective film uses special polyethylene (PE) plastic film as the base material and is divided into high-density polyethylene protective film, medium-density polyethylene and low-density polyethylene according to different densities.

[0003] PE protective film can protect products from pollution, corrosion, scratches during production, transportation, storage and use, and protect the original smooth and shiny surface. Some existing PE protective films are not tough enough and will break with a slight tear. When in contact with fire, the protective film will quickly curl up and be destroyed, making it inconvenient to transport and use, thereby reducing the protective effect on the product. Utility Model Content

[0004] The utility model aims to provide a PE protective film with good scratch resistance to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PE protective film with good scratch resistance, comprising a substrate layer, wherein the upper and lower surfaces of the substrate layer are respectively bonded with insulation layers, the surface of the upper insulation layer is bonded with a flame retardant layer, the surface of the flame retardant layer and the surface of the insulation layer below are respectively bonded with tensile and scratch resistant layers, and the surface of the tensile and scratch resistant layer below is bonded with a bottom layer.

[0006] The flame retardant layer comprises a film body, a serpentine gas collecting groove is provided in the film body, and flame retardant structures are arranged on the upper and lower surfaces of the film body.

[0007] In the above technical solution, the carbon dioxide pre-stored in the serpentine gas collecting tank makes it difficult for open flames to burn and destroy the protective film.

[0008] The tensile and scratch-resistant layer comprises a polyester elastic layer. Two opposite sides of the two polyester elastic layers are arranged with elastic reinforcing ribs, a plurality of the elastic reinforcing ribs are arranged, and a woven mesh is laid inside the polyester elastic layer.

[0009] In the above technical solution, the elastic reinforcing ribs provided can improve the strength and flexibility of the protective film.

[0010] As a further preferred embodiment of the present technical solution, the substrate layer is made of polyethylene material, and the substrate layer is provided with heat dissipation holes, wherein a plurality of heat dissipation holes are provided.

[0011] As a further preferred embodiment of the present technical solution, the heat insulation layer is made of glass fiber material.

[0012] In the above technical solution, the upper and lower surfaces of the substrate layer are provided with heat insulating layers which are made of glass fiber and have strong heat resistance and can protect the substrate layer.

[0013] As a further preferred embodiment of the present technical solution, the flame retardant structure includes bubbles, and the bubbles are arranged on the end surface between the two serpentine gas collecting grooves, and flame retardant blocks are arranged in the bubbles.

[0014] In the above technical solution, a flame retardant block is arranged in the bubble, which is made of flame retardant fiber and has good fire resistance and high temperature stability, so as to avoid the protective film from curling up and being destroyed.

[0015] As a further preferred embodiment of the present technical solution, the woven mesh includes a coarse woven belt, which is arranged in horizontal and vertical directions, and thin woven belts are arranged in horizontal and vertical directions on the coarse woven belt, and the coarse woven belt and the thin woven belt are arranged in an alternating manner.

[0016] In the above technical solution, staggered thick woven belts and thin woven belts are arranged in the polyester elastic layer, and the woven structure can further improve the toughness of the protective film.

[0017] As a further preferred embodiment of the present technical solution, the thick braided belt and the thin braided belt are made of glass fiber material.

[0018] In the above technical solution, the coarse woven tape and the thin woven tape are made of glass fiber, which has good corrosion resistance and mechanical strength, thereby making the protective film not easy to tear and scratch-resistant.

[0019] As a further preferred embodiment of the present technical solution, a dividing line is provided on the surface of the polyester elastic layer, a dividing groove is provided in the middle of the dividing line, and the distances between adjacent dividing lines are the same.

[0020] In the above technical solution, the provided dividing lines and dividing grooves can facilitate the smooth tearing of the protective film, saving time and effort.

[0021] The utility model provides a PE protective film with good scratch resistance, which has the following beneficial effects:

[0022] (1) The utility model provides a tensile and scratch-resistant layer on the polyethylene substrate layer, and the elastic reinforcing ribs provided therein can improve the strength and flexibility of the protective film. In addition, staggered coarse woven belts and thin woven belts are provided in the polyester elastic layer, and the woven structure can further improve the toughness of the protective film. The coarse woven belts and thin woven belts are made of glass fiber, which has good corrosion resistance and mechanical strength, thereby making the protective film not easy to tear and scratch-resistant.

[0023] (2) The utility model provides a flame retardant layer on the polyethylene substrate layer. When the protective film is wrapped around a product and encounters an open flame, the carbon dioxide pre-stored in the serpentine gas collecting tank prevents the open flame from burning and destroying the protective film. In addition, a flame retardant block is provided in the bubble. The flame retardant block is made of flame retardant fiber and has good fire resistance and high temperature stability, thereby preventing the protective film from curling up and being destroyed. In addition, a heat insulation layer is provided on the upper and lower surfaces of the substrate layer. The heat insulation layer is made of glass fiber and has strong heat resistance. The heat insulation layer can protect the substrate layer and thus better protect the wrapped product. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of the PE protective film of the utility model;

[0025] Figure 2 The utility model is Figure 1 Schematic diagram of the structure of each layer;

[0026] Figure 3 The utility model is Figure 2 Schematic diagram of the structure of the tensile and scratch resistant layer;

[0027] Figure 4 The utility model is Figure 2 Schematic diagram of the structure of the flame retardant layer;

[0028] Figure 5 The utility model is Figure 4 A magnified view of Figure A;

[0029] In the figure: 1. Base material layer; 2. Heat insulation layer; 3. Flame retardant layer; 4. Tensile and scratch resistant layer; 5. Bottom layer; 6. Dividing line; 7. Dividing groove; 11. Heat dissipation hole; 31. Film body; 32. Serpentine air collecting groove; 33. Flame retardant structure; 331. Bubbles; 332. Flame retardant block; 41. Polyester elastic layer; 42. Woven mesh; 43. Elastic reinforcement ribs; 421. Coarse woven belt; 422. Thin woven belt. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] The utility model provides a technical solution: Figure 1 and Figure 2As shown, in this embodiment, a PE protective film with good scratch resistance includes a substrate layer 1, and the upper and lower surfaces of the substrate layer 1 are respectively bonded with insulation layers 2, the surface of the upper insulation layer 2 is bonded with a flame retardant layer 3, the surface of the flame retardant layer 3 and the surface of the lower insulation layer 2 are respectively bonded with tensile scratch resistant layers 4, the surface of the lower tensile scratch resistant layer 4 is bonded with a bottom layer 5, a dividing line 6 is provided on the surface of the polyester elastic layer 41, a dividing groove 7 is provided in the middle of the dividing line 6, and the distances between adjacent dividing lines 6 are the same, the substrate layer 1 is made of polyethylene material, the substrate layer 1 is provided with heat dissipation holes 11, and a plurality of heat dissipation holes 11 are provided, and the insulation layer 2 is made of glass fiber material.

[0032] like Figure 4 and Figure 5 As shown, the flame retardant layer 3 includes a film body 31, a serpentine gas collecting groove 32 is opened in the film body 31, and flame retardant structures 33 are arranged on the upper and lower surfaces of the film body 31. The flame retardant structure 33 includes bubbles 331. The bubbles 331 are arranged on the end surface between the two serpentine gas collecting grooves 32. Flame retardant blocks 332 are arranged in the bubbles 331. The flame retardant layer 3 is arranged on the polyethylene substrate layer. When the protective film encounters an open flame when wrapping the product, the carbon dioxide pre-stored in the serpentine gas collecting groove 32 makes it difficult for the open flame to burn and destroy the protective film. In addition, flame retardant blocks 332 are arranged in the bubbles 331. They are made of flame retardant fibers and have good fire resistance and high temperature stability, so as to prevent the protective film from curling up and being destroyed. In addition, a heat insulation layer 2 is arranged on the upper and lower surfaces of the substrate layer 1. It is made of glass fiber and has strong heat resistance. It can protect the substrate layer 1 and thus better protect the wrapped products.

[0033] like Figure 2 and Figure 3 As shown, the tensile and scratch-resistant layer 4 includes a polyester elastic layer 41, and elastic reinforcing ribs 43 are arranged on the opposite sides of the two polyester elastic layers 41, and a plurality of elastic reinforcing ribs 43 are arranged. A woven mesh 42 is laid in the polyester elastic layer 41, and the woven mesh 42 includes a coarse woven belt 421, which is arranged in the horizontal and vertical directions. The coarse woven belt 421 is arranged with thin woven belts 422 in the horizontal and vertical directions. The coarse woven belt 421 and the thin woven belt 422 are staggered, and the coarse woven belt 421 and the thin woven belt 422 are made of glass fiber material. By arranging the tensile and scratch-resistant layer 4 on the polyethylene substrate layer, the elastic reinforcing ribs 43 arranged therein can improve the strength and flexibility of the protective film. In addition, staggered coarse woven belts 421 and thin woven belts 422 are arranged in the polyester elastic layer 41, and the woven structure can further improve the toughness of the protective film. The coarse woven belt 421 and the thin woven belt 422 are made of glass fiber, and have good corrosion resistance and mechanical strength, thereby making the protective film not easy to tear and scratch-resistant.

[0034] The utility model provides a PE protective film with good scratch resistance, and the specific working principle is as follows: a heat insulation layer 2 is arranged on the upper and lower surfaces of a substrate layer 1, which is made of glass fiber and has strong heat resistance, so that the substrate layer 1 is protected; the elastic reinforcing ribs 43 are arranged to improve the strength and flexibility of the protective film, and in addition, staggered thick woven belts 421 and thin woven belts 422 are arranged in a polyester elastic layer 41, and the weaving structure can further improve the toughness of the protective film, and the thick woven belts 421 and the thin woven belts 422 are made of glass fiber, so that the protective film is not easy to tear and is scratch-resistant; the carbon dioxide pre-stored in the serpentine gas collecting groove 32 makes it difficult for open flames to burn and destroy the protective film, and a flame retardant block 332 is arranged in the bubble 331, which is made of flame retardant fiber and has good fire resistance and high temperature stability, so as to avoid the protective film from curling up and being destroyed.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PE protective film with good scratch resistance, comprising a substrate layer (1), characterized in that: The upper and lower surfaces of the substrate layer (1) are respectively bonded with a heat insulation layer (2); the surface of the upper heat insulation layer (2) is bonded with a flame retardant layer (3); the surface of the flame retardant layer (3) and the surface of the lower heat insulation layer (2) are respectively bonded with a tensile and scratch resistant layer (4); the surface of the lower tensile and scratch resistant layer (4) is bonded with a bottom layer (5); The flame retardant layer (3) comprises a film body (31), a serpentine gas collecting groove (32) is provided in the film body (31), and flame retardant structures (33) are arranged on the upper and lower surfaces of the film body (31); The tensile and scratch-resistant layer (4) comprises a polyester elastic layer (41), and elastic reinforcing ribs (43) are arranged on opposite sides of the two polyester elastic layers (41), and a plurality of the elastic reinforcing ribs (43) are arranged, and a woven mesh (42) is laid inside the polyester elastic layer (41).

2. A PE protective film with good scratch resistance according to claim 1, characterized in that: The base material layer (1) is made of polyethylene material, and the base material layer (1) is provided with heat dissipation holes (11), and a plurality of heat dissipation holes (11) are provided.

3. A PE protective film with good scratch resistance according to claim 1, characterized in that: The heat insulation layer (2) is made of glass fiber material.

4. The PE protective film with good scratch resistance according to claim 1, characterized in that: The flame retardant structure (33) comprises air bubbles (331), wherein the air bubbles (331) are arranged on the end surface between the two serpentine air collecting grooves (32), and the air bubbles (331) are each provided with a flame retardant block (332).

5. The PE protective film with good scratch resistance according to claim 1, characterized in that: The woven net (42) comprises a coarse woven belt (421), the coarse woven belt (421) being arranged in the horizontal and vertical directions, the coarse woven belt (421) being arranged with thin woven belts (422) in the horizontal and vertical directions, and the coarse woven belt (421) and the thin woven belt (422) being arranged in an alternating manner.

6. A PE protective film with good scratch resistance according to claim 5, characterized in that; The thick braided belt (421) and the thin braided belt (422) are made of glass fiber material.

7. The PE protective film with good scratch resistance according to claim 1, characterized in that: The surface of the polyester elastic layer (41) is provided with a dividing line (6), a dividing groove (7) is provided in the middle of the dividing line (6), and the distances between adjacent dividing lines (6) are the same.

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