Long-acting anti-fog CPP packaging film

Abstract

The utility model relates to the technical field of packaging films, and discloses a long-acting anti-fog CPP packaging film which comprises a film body and a plurality of protrusions, the protrusions are all arranged on the upper side of the film body, the film body comprises a middle layer, a surface layer is fixedly arranged at the upper end of the middle layer, and an inner layer is fixedly arranged at the lower end of the middle layer. According to the utility model, the tensile strength of the film is improved by the tensile layer, the barrier layer effectively blocks the permeation of water vapor and oxygen, the heat insulation layer helps to maintain the temperature of an internal product, the anti-static layer prevents static electricity and reduces the adhesion of dust and particles, and the wear-resistant layer reduces surface scratch and wear in the transportation and use process; the antibacterial layer effectively inhibits growth of bacteria and fungi, the anti-fog layer effectively prevents water condensation, the CPP film is formed by compounding multiple layers of materials, the functionality and applicability of the film can be remarkably enhanced, and the CPP film can meet the requirements of different application scenes by arranging the layers with different functions in the CPP film.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging film technical field especially relates to a long -term anti -fog CPP packaging film. BACKGROUND

[0002] CPP packaging film is a kind of common plastic packaging material, it is a kind of film with polypropylene as main component, usually by casting process production, mainly used in food, beverage, daily necessities etc.

[0003] The existing packaging film is mostly formed by single-layer structure arrangement, and the functionality of this structure is poor, some packaging films when packaging objects, especially some food, food is condensed after being refrigerated in the packaging film, it is easy to shield the product in the packaging, and even the internal packaging product can be deteriorated due to water vapor. Therefore, the technical personnel in the field provides a long-term anti-fog CPP packaging film to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0004] The utility model discloses a long-term anti-fog CPP packaging film, which is formed by multiple layers of composite, can improve the service life and use performance of the packaging film.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A long-term anti-fog CPP packaging film, comprising a film body and a plurality of protrusions, the plurality of protrusions are arranged on the upper side of the film body, the film body comprises an intermediate layer, the upper end of the intermediate layer is fixedly provided with a surface layer, and the lower end of the intermediate layer is fixedly provided with an inner layer.

[0007] Further, the intermediate layer comprises a base layer, and the upper end of the base layer is fixedly provided with a tensile-resistant layer.

[0008] Further, the base layer is made of polypropylene material, and the tensile-resistant layer is made of nylon coating.

[0009] Further, the surface layer comprises a barrier layer, the upper end of the barrier layer is fixedly provided with a heat insulation layer, the upper end of the heat insulation layer is fixedly provided with an anti-static layer, and the upper end of the anti-static layer is fixedly provided with a wear-resistant layer.

[0010] Further, the barrier layer is arranged as a polyvinylidene chloride coating, the heat insulation layer is arranged as a silica inorganic coating, the anti-static layer is arranged as a polyester anti-static coating, and the wear-resistant layer is arranged as a ceramic coating.

[0011] Further, the inner layer comprises a bacteriostatic layer, and a defogging layer is fixedly arranged at the lower end of the bacteriostatic layer.

[0012] Further, the bacteriostatic layer is arranged as a silver ion coating, and the defogging layer is arranged as a polyvinyl alcohol coating.

[0013] The utility model has the advantages of the following:

[0014] The utility model discloses a long-acting anti-fog CPP packaging film, which is composed of an intermediate layer, a surface layer and an inner layer. When the film is used, the inner layer is used to wrap the object, and the surface layer is used to wrap the film body and the object. The inner layer is provided with a bacteriostatic layer and a defogging layer, which can effectively inhibit the growth of bacteria, fungi and other microorganisms. The defogging layer can prevent water droplets from forming fog and maintain the transparency of the package. The tensile layer can enhance the puncture resistance, tensile strength and chemical corrosion resistance of the film. The barrier layer can provide good water and oxygen resistance, effectively prolong the shelf life of food. The heat insulation layer can improve the thermal resistance of the film, protect the contents of the package from temperature changes. The anti-static layer can prevent dust and impurities from adhering to the surface of the film due to static electricity. The wear-resistant layer can effectively improve the wear resistance of the film, making it more durable. The multi-layer composite film can improve the service life and performance of the packaging film. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an axonometric view of the long-acting anti-fog CPP packaging film.

[0016] Figure 2 It is an axonometric view of the film body of the long-acting anti-fog CPP packaging film.

[0017] Figure 3 It is a top view of the film body of the long-acting anti-fog CPP packaging film.

[0018] Figure 4 It is a structural view of the film body of the long-acting anti-fog CPP packaging film.

[0019] LEGEND:

[0020] 1, film body; 2, protrusions; 101, intermediate layer; 102, surface layer; 103, inner layer; 10101, base layer; 10102, anti-stretch layer; 10201, barrier layer; 10202, heat insulation layer; 10203, anti-static layer; 10204, wear-resistant layer; 10301, antibacterial layer; 10302, anti-fog layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Referring to Figure 1 , Figure 2 , Figure 3 , the present application provides an embodiment:

[0023] A long-acting anti-fog CPP packaging film, comprising a film body 1 and a plurality of protrusions 2, the plurality of protrusions 2 are arranged on the upper side of the film body 1, the film body 1 comprises an intermediate layer 101, the upper end of the intermediate layer 101 is fixedly provided with a surface layer 102, and the lower end of the intermediate layer 101 is fixedly provided with an inner layer 103.

[0024] Specifically, by arranging a plurality of protrusions 2 on the upper side of the film body 1, the protrusions 2 are designed to increase the contact area between the film and the packaged object, reduce sliding, and provide more stable wrapping effect. The intermediate layer 101 is provided with the inner layer 103 and the surface layer 102, which can increase the service life and performance of the packaging film.

[0025] Referring to Figure 4 , the intermediate layer 101 comprises a base layer 10101, the upper end of the base layer 10101 is fixedly provided with an anti-stretch layer 10102, the base layer 10101 is made of polypropylene material, and the anti-stretch layer 10102 is made of nylon coating;

[0026] Specifically, by arranging an anti-stretch layer 10102 on the upper side of the base layer 10101 of the intermediate layer 101, the anti-stretch layer 10102 is made of nylon coating, so as to enhance the puncture resistance, tensile strength and chemical corrosion resistance of the film. The intermediate layer 101 as the main layer of the packaging film makes the strength of the film better.

[0027] Referring to Figure 4The surface layer 102 includes a barrier layer 10201, the upper end of the barrier layer 10201 is fixedly provided with a heat insulation layer 10202, the upper end of the heat insulation layer 10202 is fixedly provided with an anti-static layer 10203, the upper end of the anti-static layer 10203 is fixedly provided with a wear-resistant layer 10204, the barrier layer 10201 is provided as a polyvinylidene chloride coating, the heat insulation layer 10202 is provided as a silica inorganic coating, the anti-static layer 10203 is provided as a polyester anti-static coating, and the wear-resistant layer 10204 is provided as a ceramic coating;

[0028] Specifically, by arranging the surface layer 102 on the upper side of the middle layer 101, the surface layer 102 is on the outside after packaging, so as to protect the film body 1 and the internal packaging object; by arranging the barrier layer 10201, the barrier layer 10201 is provided as a polyvinylidene chloride, which can provide good water and oxygen barrier properties, and can effectively prolong the shelf life of food; by arranging the heat insulation layer 10202, the heat resistance can be improved, and the packaging content is protected from temperature changes, the heat insulation layer 10202 adopts a silica inorganic coating, which has extremely low thermal conductivity and can provide excellent heat insulation effect, which helps to prevent heat transfer; by arranging the anti-static layer 10203, dust and impurities can be prevented from adhering to the surface of the film due to static electricity, the anti-static layer 10203 is provided as a polyester anti-static coating, the anti-static agent is added by modification to enhance the static electricity release performance and effectively prevent static electricity accumulation; by arranging the wear-resistant layer 10204, the film body 1 has high wear resistance, and the wear-resistant layer 10204 is provided as a ceramic coating, which greatly enhances the wear resistance and scratch resistance of the film by adding ceramic particles.

[0029] Referring to Figure 4 The inner layer 103 includes a bacteriostatic layer 10301, the lower end of the bacteriostatic layer 10301 is fixedly provided with a anti-fog layer 10302, the bacteriostatic layer 10301 is provided as a silver ion coating, and the anti-fog layer 10302 is provided as a polyvinyl alcohol coating.

[0030] Specifically, by arranging the inner layer 103, the inner layer 103 contacts the object when the object is packaged by the film body 1; by arranging the anti-fog layer 10302, the anti-fog layer 10302 is provided as a polyvinyl alcohol coating with hydrophilic properties, which can prevent water droplets from forming fog, so that the packaging film is particularly effective in food packaging and other applications that require transparency and clarity, the anti-fog coating can effectively prevent water droplets from condensing on the surface of the film, maintain the transparency of the package, and enable consumers to clearly see the products inside the package, enhancing its visual appeal; by arranging the bacteriostatic layer 10301, the growth of bacteria, fungi and other microorganisms can be effectively inhibited, thereby prolonging the shelf life of food, maintaining its freshness and reducing economic losses.

[0031] Working principle: the film in use by the packaging film on the object for packaging, in packaging will inner layer 103 to the object for wrapping, surface layer 102 to the film body 1 and object for wrapping, the film body 1 through the setting inner layer 103 set antibacterial layer 10301 and anti-fog layer 10302, antibacterial layer 10301 can effectively inhibit the growth of bacteria, fungi and other microorganisms, anti-fog layer 10302 can prevent water droplets form fog to keep the transparency of the package, by setting the tensile layer 10102 can enhance the puncture resistance, tensile strength and chemical corrosion resistance of the film, by setting the barrier layer 10201 can provide good water and oxygen barrier properties, can effectively prolong the shelf life of food, by setting the thermal insulation layer 10202 can improve its thermal resistance, protect the contents of the package from temperature changes, by setting the anti-static layer 10203 can avoid the film surface due to the reason of static dust impurities, by setting wear-resistant layer 10204 can effectively improve the wear resistance of the film, make it more durable.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A long-lasting anti-fog CPP packaging film comprising a film body (1) and a plurality of protrusions (2), characterized in that: The plurality of protrusions (2) are arranged on the upper side of the film body (1), the film body (1) comprises a middle layer (101), the upper end of the middle layer (101) is fixedly provided with a surface layer (102), and the lower end of the middle layer (101) is fixedly provided with an inner layer (103).

2. A long lasting anti-fog CPP packaging film according to claim 1, characterized in that: The middle layer (101) comprises a base layer (10101), and the upper end of the base layer (10101) is fixedly provided with a tensile-resistant layer (10102).

3. A long lasting anti-fog CPP packaging film according to claim 2, characterized in that: The base layer (10101) is made of polypropylene material, and the tensile-resistant layer (10102) is made of a nylon coating layer.

4. The long lasting anti-fog CPP packaging film according to claim 1, characterized in that: The surface layer (102) comprises a barrier layer (10201), the upper end of the barrier layer (10201) is fixedly provided with a heat insulation layer (10202), the upper end of the heat insulation layer (10202) is fixedly provided with an anti-static layer (10203), and the upper end of the anti-static layer (10203) is fixedly provided with a wear-resistant layer (10204).

5. A long lasting anti-fog CPP packaging film according to claim 4, characterized in that: The barrier layer (10201) is made of a polyvinylidene chloride coating layer, the heat insulation layer (10202) is made of a silicon dioxide inorganic coating layer, the anti-static layer (10203) is made of a polyester anti-static coating layer, and the wear-resistant layer (10204) is made of a ceramic coating layer.

6. A long lasting anti-fog CPP packaging film according to claim 1, characterized in that: The inner layer (103) comprises a bacteriostatic layer (10301), and the lower end of the bacteriostatic layer (10301) is fixedly provided with a fog-proof layer (10302).

7. A long lasting anti-fog CPP packaging film according to claim 6, characterized in that: The bacteriostatic layer (10301) is made of a silver ion coating layer, and the fog-proof layer (10302) is made of a polyvinyl alcohol coating layer.

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