Antistatic POF heat shrink film

By setting up static shielding layers and other protective layers in POF thermal film, the problem of poor anti -static effects of existing POF thermal shrinking membranes has been solved, and better anticrofitics and protection effects are achieved. thing.

CN222387759UActive Publication Date: 2025-01-24JIANGYIN YIJIA PACKAGING MATERIAL CO LTD
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Patent Information

Application Number
CN202421182767.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-01-24
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing POF heat shrink film has poor anti-static effect and cannot effectively protect special items, resulting in the inability to effectively prevent static damage during packaging.

Method used

An antistatic POF heat shrinkable film is designed. By setting an electrostatic shielding layer in the heat shrinkable film body, and using a cross-braided structure of metal fiber wires and antistatic agents, the antistatic effect of the electrostatic shielding layer is enhanced, and through the use of other layers The combination (such as inner protective layer, wear-resistant layer, UV-resistant layer, etc.) improves the overall protective performance.

Benefits of technology

It achieves a better anti-static effect, can effectively protect electronic products and other items that are easily damaged by static electricity, improves the structural strength and wear-resistant protection effect of the heat shrinkable film, and ensures that it is not affected by direct sunlight when used outdoors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an antistatic POF heat shrink film, relates to the technical field of heat shrink film structures, and aims to solve the problem that an existing POF heat shrink film is poor in antistatic effect, so that articles cannot be well protected when the articles are packaged. A winding drum is arranged in the heat shrinkage film body, the heat shrinkage film body comprises a base layer, an inner protective layer, an electrostatic shielding layer, a waterproof layer, an anti-corrosion layer, an anti-ultraviolet layer, a reinforcing layer and a wear-resistant layer, the inner protective layer is arranged at the lower end of the base layer, the electrostatic shielding layer is arranged at the upper end of the base layer, and the waterproof layer is arranged at the lower end of the anti-corrosion layer. A waterproof layer is arranged at the upper end of the electrostatic shielding layer, an anti-corrosion layer is arranged at the upper end of the waterproof layer, an anti-ultraviolet layer is arranged at the upper end of the anti-corrosion layer, a reinforcing layer is arranged at the upper end of the anti-ultraviolet layer, and a wear-resistant layer is arranged at the upper end of the reinforcing layer.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat shrinkable film structures, in particular to an antistatic POF heat shrinkable film. Background Art

[0002] POF heat shrink film is the abbreviation of biaxially oriented polyolefin shrink film. It is the most widely used and rapidly developing new environmentally friendly shrink film. POF heat shrink film has high transparency, high shrinkage rate, high toughness, high heat sealing performance, excellent cold resistance, safe and reliable soft shrink film, and is widely used in food, cosmetics, gifts, medicines, stationery, toys, audio-visual products, electronics, wood products, plastic hardware, daily necessities and other products in various industries. Outer packaging and collective packaging.

[0003] After searching, the authorization announcement number CN217892096U discloses a high-strength antistatic POF heat shrink film, including an inner layer, an antistatic layer is fixedly installed outside the inner layer, and a connection component is arranged inside the inner layer and the antistatic layer to improve the connection strength between the inner layer and the antistatic layer. The high-strength antistatic POF heat shrink film, by setting the connection component, the first connection layer and the second connection layer can connect the inner layer and the antistatic layer together, can increase the connection strength between the inner layer and the antistatic layer, so that the inner layer and the antistatic layer are not easy to be separated, and the second connection layer passes through the first connection layer and is fixedly connected to the first connection layer, which can make the first connection layer and the second connection layer connected firmly, and then the inner layer, the antistatic layer, the first connection layer and the second connection layer are connected together, and are not easy to be separated, thereby improving the connection strength and solving the problem of low strength.

[0004] However, the existing POF heat shrink film has a poor antistatic effect, so when some special items are packaged, the items cannot be well protected. Therefore, an antistatic POF heat shrink film is urgently needed in the market to solve these problems. Utility Model Content

[0005] The utility model aims to provide an antistatic POF heat shrinkable film to solve the problem that the existing POF heat shrinkable film mentioned in the above background technology has a poor antistatic effect, so when some special articles are packaged, the articles cannot be well protected.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an antistatic POF heat shrinkable film, comprising a heat shrinkable film body, a winding drum is arranged inside the heat shrinkable film body, the heat shrinkable film body comprises a base layer, an inner protective layer, an electrostatic shielding layer, a waterproof layer, an anti-corrosion layer, an anti-ultraviolet layer, a reinforcing layer and a wear-resistant layer, the lower end of the base layer is provided with an inner protective layer, the upper end of the base layer is provided with an electrostatic shielding layer, the upper end of the electrostatic shielding layer is provided with a waterproof layer, the upper end of the waterproof layer is provided with an anti-corrosion layer, the upper end of the anti-corrosion layer is provided with an anti-ultraviolet layer, the upper end of the anti-ultraviolet layer is provided with a reinforcing layer, and the upper end of the reinforcing layer is provided with a wear-resistant layer.

[0007] Preferably, the heat shrinkable film bodies are fixedly connected by tearable connecting strips.

[0008] Preferably, an adsorption groove is provided inside the lower end of the inner protective layer, and a plurality of the adsorption grooves are provided, and the plurality of the adsorption grooves are evenly distributed inside the lower end of the inner protective layer.

[0009] Preferably, the electrostatic shielding layer comprises metal fiber filaments and an antistatic agent, the metal fiber filaments are cross-woven, and the antistatic agent is arranged on the outside of the metal fiber filaments.

[0010] Preferably, the base layer is low-density polyethylene, the inner protective layer and the wear-resistant layer are copolymerized polypropylene, and the anti-ultraviolet layer is a UV anti-ultraviolet agent coating.

[0011] Preferably, the reinforcement layer is formed by cross-weaving a plurality of polyester fibers.

[0012] Preferably, a wear-resistant bump is provided at the upper end of the wear-resistant layer, the wear-resistant bump and the wear-resistant layer are an integral structure, a plurality of the wear-resistant bumps are provided, and the plurality of the wear-resistant bumps are evenly distributed at the upper end of the wear-resistant layer.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This antistatic POF heat shrink film can conveniently tear apart adjacent heat shrink film bodies through the easy-tear connecting strips, so that the heat shrink film body can be conveniently used. The heat shrink film body is provided with an electrostatic shielding layer. By coating the antistatic agent on the outside of the metal fiber filaments, the electrostatic shielding layer can have a better antistatic effect. At the same time, the cross-woven metal fiber filaments can make the heat shrink film body 1 have a good antistatic effect. In this way, when the heat shrink film body is used to package some electronic products, it can better protect the electronic products and prevent the electronic products from being damaged due to static electricity.

[0015] 2. This antistatic POF heat shrink film can improve the structural strength of the heat shrink film body by setting a number of polyester fiber filaments, so that the tensile performance of the heat shrink film body is better, and the heat shrink film body is prevented from being easily torn when stretched. The wear-resistant protective effect of the heat shrink film body can be improved by setting an inner protective layer and a wear-resistant layer, and the heat shrink film body can be prevented from being easily damaged by wear. The protective effect of the heat shrink film body can be improved by setting a UV anti-purple agent coating, and the heat shrink film body can be prevented from being subjected to direct sunlight when used outdoors, thereby affecting the protective effect of the heat shrink film body on the articles, making the articles easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall front view of the utility model;

[0017] Figure 2 This is a cross-sectional view of the heat shrinkable film body of the utility model;

[0018] Figure 3 It is a partial enlarged view of the electrostatic shielding layer of the utility model;

[0019] Figure 4 It is a schematic diagram of the reinforcement layer structure of the utility model.

[0020] In the figure: 1. heat shrink film body; 2. winding drum; 3. easy-tear connecting strip; 4. base layer; 5. inner protective layer; 501. adsorption groove; 6. electrostatic shielding layer; 601. metal fiber filament; 602. antistatic agent; 7. waterproof layer; 8. anti-corrosion layer; 9. anti-ultraviolet layer; 10. reinforcement layer; 1001. polyester fiber filament; 11. wear-resistant layer; 1101. wear-resistant bumps. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4The utility model provides an embodiment: an antistatic POF heat shrinkable film, comprising a heat shrinkable film body 1, a winding drum 2 is arranged inside the heat shrinkable film body 1, the heat shrinkable film body 1 comprises a base layer 4, an inner protective layer 5, an electrostatic shielding layer 6, a waterproof layer 7, an anti-corrosion layer 8, an anti-ultraviolet layer 9, a reinforcing layer 10 and a wear-resistant layer 11, the lower end of the base layer 4 is provided with an inner protective layer 5, the upper end of the base layer 4 is provided with an electrostatic shielding layer 6, the upper end of the electrostatic shielding layer 6 is provided with a waterproof layer 7, the upper end of the waterproof layer 7 is provided with an anti-corrosion layer 8, the upper end of the anti-corrosion layer 8 is provided with an anti-ultraviolet layer 9, the upper end of the anti-ultraviolet layer 9 is provided with a reinforcing layer 10, and the upper end of the reinforcing layer 10 is provided with a wear-resistant layer 11. It should be noted that in order to save space and highlight the innovative elements of this patent, such as how to use the antistatic POF heat shrinkable film and its antistatic principle, they are not repeated in this patent.

[0023] When in use, the heat shrinkable film body 1 is provided with an electrostatic shielding layer 6. By coating the antistatic agent 602 on the outside of the metal fiber filaments 601, the electrostatic shielding layer 6 can have a better antistatic effect. At the same time, the cross-woven metal fiber filaments 601 can make the heat shrinkable film body 1 have a good antistatic effect. The structural strength of the heat shrinkable film body 1 can be improved by setting a plurality of polyester fiber filaments 1001. The wear-resistant protective effect of the heat shrinkable film body 1 can be improved by setting an inner protective layer 5 and a wear-resistant layer 11. The protective effect of the heat shrinkable film body 1 can be improved by setting a UV anti-purple agent coating, so as to prevent the heat shrinkable film body 1 from being exposed to direct sunlight when used outdoors, thereby affecting the protective effect of the heat shrinkable film body 1 on the objects and making the objects easily damaged.

[0024] See also Figure 1 The heat shrinkable film bodies 1 are fixedly connected by the tearable connecting strips 3. This arrangement allows the adjacent heat shrinkable film bodies 1 to be easily torn apart, making the heat shrinkable film bodies 1 more convenient to use.

[0025] See also Figure 2 An adsorption groove 501 is arranged inside the lower end of the inner protective layer 5. There are several adsorption grooves 501, and the several adsorption grooves 501 are evenly distributed inside the lower end of the inner protective layer 5. Through this arrangement, the bonding effect of the inner protective layer 5 can be better, so that the heat shrinkable film body 1 can be better bonded to the articles for packaging, thereby achieving a better packaging effect.

[0026] See also Figure 2 and Figure 3The electrostatic shielding layer 6 includes metal fiber filaments 601 and an antistatic agent 602. The metal fiber filaments 601 are cross-woven, and the antistatic agent 602 is arranged on the outside of the metal fiber filaments 601. By coating the antistatic agent 602 on the outside of the metal fiber filaments 601, the electrostatic shielding layer 6 can have a better antistatic effect. At the same time, the cross-woven metal fiber filaments 601 can make the heat shrinkable film body 1 have a good antistatic effect. In this way, when the heat shrinkable film body 1 is used to package some electronic products, it can better protect the electronic products and prevent the electronic products from being damaged due to static electricity.

[0027] See also Figure 2 The base layer 4 is low-density polyethylene, the inner protective layer 5 and the wear-resistant layer 11 are copolymerized polypropylene, and the anti-ultraviolet layer 9 is a UV anti-ultraviolet agent coating. The inner protective layer 5 and the wear-resistant layer 11 are provided to improve the wear-resistant protection effect of the heat shrinkable film body 1, and prevent the heat shrinkable film body 1 from being easily damaged due to wear. The UV anti-ultraviolet agent coating is provided to improve the protection effect of the heat shrinkable film body 1, and prevent the heat shrinkable film body 1 from being subjected to direct sunlight when used outdoors, thereby affecting the protection effect of the heat shrinkable film body 1 on the articles, making the articles easily damaged.

[0028] See also Figure 2 and Figure 4 The reinforcing layer 10 is formed by cross-weaving a plurality of polyester fiber filaments 1001. The plurality of polyester fiber filaments 1001 can improve the structural strength of the heat shrinkable film body 1, make the tensile performance of the heat shrinkable film body 1 better, and avoid the heat shrinkable film body 1 from being easily torn when stretched.

[0029] See also Figure 2 A wear-resistant protrusion 1101 is arranged at the upper end of the wear-resistant layer 11. The wear-resistant protrusion 1101 and the wear-resistant layer 11 are an integrated structure. A plurality of wear-resistant protrusions 1101 are arranged, and the plurality of wear-resistant protrusions 1101 are evenly distributed on the upper end of the wear-resistant layer 11, so that the structure between the wear-resistant protrusion 1101 and the wear-resistant layer 11 can be more solid. The wear-resistant effect of the wear-resistant layer 11 can be improved by setting the wear-resistant protrusion 1101, so that the heat shrinkable film body 1 can be effectively prevented from being damaged due to wear.

[0030] Working principle: When in use, the adjacent heat shrink film bodies 1 can be easily torn apart through the easy-tear connecting strips 3, so that the heat shrink film body 1 can be conveniently used. The heat shrink film body 1 is provided with an electrostatic shielding layer 6. By coating the antistatic agent 602 on the outside of the metal fiber filaments 601, the electrostatic shielding layer 6 can have a better antistatic effect. At the same time, the cross-woven metal fiber filaments 601 can make the heat shrink film body 1 have a good antistatic effect. In this way, when the heat shrink film body 1 is used to package some electronic products, it can better protect the electronic products and prevent the electronic products from being damaged by static electricity. In order to prevent the heat shrink film from being damaged, the structural strength of the heat shrink film body 1 can be improved by setting a plurality of polyester fiber filaments 1001, so that the tensile performance of the heat shrink film body 1 is better, and the heat shrink film body 1 is prevented from being easily torn when being stretched. The inner protective layer 5 and the wear-resistant layer 11 can be provided to improve the wear-resistant protective effect of the heat shrink film body 1, and the heat shrink film body 1 can be prevented from being easily damaged due to wear. The UV anti-purple agent coating can be provided to improve the protective effect of the heat shrink film body 1, and the heat shrink film body 1 can be prevented from being subjected to direct sunlight when used outdoors, thereby affecting the protective effect of the heat shrink film body 1 on the articles, making the articles easily damaged.

[0031] 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.

Claims

1. An antistatic POF heat shrinkable film, comprising a heat shrinkable film body (1), characterized in that: A winding drum (2) is arranged inside the heat shrinkable film body (1), and the heat shrinkable film body (1) comprises a base layer (4), an inner protective layer (5), an electrostatic shielding layer (6), a waterproof layer (7), an anti-corrosion layer (8), an anti-ultraviolet layer (9), a reinforcing layer (10) and a wear-resistant layer (11). The inner protective layer (5) is arranged at the lower end of the base layer (4), the electrostatic shielding layer (6) is arranged at the upper end of the base layer (4), the waterproof layer (7) is arranged at the upper end of the electrostatic shielding layer (6), the anti-corrosion layer (8) is arranged at the upper end of the waterproof layer (7), the anti-ultraviolet layer (9) is arranged at the upper end of the anti-corrosion layer (8), the anti-ultraviolet layer (9) is arranged at the upper end of the reinforcing layer (10), and the wear-resistant layer (11) is arranged at the upper end of the reinforcing layer (10).

2. The antistatic POF heat shrinkable film according to claim 1, characterized in that: The heat shrinkable film bodies (1) are fixedly connected via an easily tearable connecting strip (3).

3. The antistatic POF heat shrinkable film according to claim 1, characterized in that: An adsorption groove (501) is arranged inside the lower end of the inner protective layer (5), and a plurality of the adsorption grooves (501) are arranged, and the plurality of the adsorption grooves (501) are evenly distributed inside the lower end of the inner protective layer (5).

4. The antistatic POF heat shrinkable film according to claim 1, characterized in that: The electrostatic shielding layer (6) comprises metal fiber filaments (601) and an antistatic agent (602); the metal fiber filaments (601) are cross-woven, and the antistatic agent (602) is arranged outside the metal fiber filaments (601).

5. The antistatic POF heat shrinkable film according to claim 1, characterized in that: The base layer (4) is low-density polyethylene, the inner protective layer (5) and the wear-resistant layer (11) are copolymerized polypropylene, and the anti-ultraviolet layer (9) is a UV anti-ultraviolet agent coating.

6. The antistatic POF heat shrinkable film according to claim 1, characterized in that: The reinforcing layer (10) is formed by cross-weaving a plurality of polyester fiber filaments (1001).

7. The antistatic POF heat shrinkable film according to claim 1, characterized in that: A wear-resistant protrusion (1101) is arranged at the upper end of the wear-resistant layer (11); the wear-resistant protrusion (1101) and the wear-resistant layer (11) are an integral structure; a plurality of the wear-resistant protrusions (1101) are arranged; and the plurality of the wear-resistant protrusions (1101) are evenly distributed at the upper end of the wear-resistant layer (11).

Citation Information

Patent Citations

  • High-strength antistatic POF heat shrink film

    CN217892096U