CN219383494U - High-barrier PVC packaging film - Google Patents

Abstract

The utility model relates to a high-barrier PVC packaging film, which comprises a packaging film, wherein the left side and the right side of the surface of the packaging film are provided with tearing extension lines, and the inner side of the packaging film is adhered with a barrier component; the separation assembly comprises an outer layer film, wherein the lower side of the outer layer film is adhered with a release film, the lower side of the release film is adhered with a first adhesive layer, the lower side of the first adhesive layer is adhered with an elastic film, the lower side of the elastic film is adhered with a second adhesive layer, the lower side of the second adhesive layer is adhered with a fiber film, the lower side of the fiber film is adhered with a high-separation layer, and the lower side of the high-separation layer is adhered with a base film. This high separation PVC packaging film, the heat preservation that sets up through the packaging film is close to object surface and the heat preservation is inboard in article laminating, when inside entering packaging film with steam then can remove to outer membrane one side through waterproof air vent, and waterproof air vent both sides examine mouthful size difference simultaneously can be with the discharge of steam little opening part.

Description

High-barrier PVC packaging film

Technical Field

The utility model relates to the technical field of PVC packaging films, in particular to a high-barrier PVC packaging film.

Background

PVC (polyvinyl chloride) rigid PVC is one of the most widely used plastic materials. PVC material is a noncrystalline material. PVC materials are often added with stabilizers, lubricants, auxiliary processing agents, colorants, impact-resistant agents and other additives in actual use. PVC materials have nonflammability, high strength, weather resistance and excellent geometric stability. PVC is very resistant to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid, concentrated nitric acid and is not suitable for use in contact with aromatic hydrocarbons, chlorinated hydrocarbons.

The utility model CN 201820048341.X proposes an anti-adhesion PVC packaging film, which comprises an outer film layer, a first middle layer, a second middle layer and an inner film layer, wherein the outer film layer, the first middle layer, the second middle layer and the inner film layer are sequentially arranged from top to bottom, strip-shaped bulges are longitudinally arranged on the surface of the inner film layer, air holes are arranged between two adjacent strip-shaped bulges, the air holes are equidistantly arranged, the diameter of one end of each air hole close to the inner film layer is larger, the diameter of the other end of each air hole is smaller, the outer film layer is an anti-freezing film, the second middle layer is an antibacterial film, the inner film layer is an antistatic film, the air permeability is good, the anti-freezing and anti-adhesion effects are achieved, the integral strength of the patent is insufficient, the service life of the packaging film is shortened, and therefore, the high-barrier PVC packaging film is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the high-barrier PVC packaging film which has the advantages of high strength, prolonged service life of the packaging film and the like, and solves the problems of insufficient overall strength and short service life of the packaging film.

In order to achieve the purposes of high strength and prolonged service life of the packaging film, the utility model provides the following technical scheme: the utility model provides a high separation PVC packaging film, includes the packaging film, tearing extension line is all seted up to the left and right sides of packaging film surface, the separation subassembly is glued to the packaging film inboard.

The separation assembly comprises an outer layer film, wherein the lower side of the outer layer film is adhered with a release film, the lower side of the release film is adhered with a first adhesive layer, the lower side of the first adhesive layer is adhered with an elastic film, the lower side of the elastic film is adhered with a second adhesive layer, the lower side of the second adhesive layer is adhered with a fiber film, the lower side of the fiber film is adhered with a high-separation layer, the lower side of the high-separation layer is adhered with a base film, the lower side of the base film is adhered with an insulation layer, and a plurality of inorganic antibacterial particles are arranged on the inner side of the insulation layer.

Further, the inside of heat preservation downside is offered in inorganic antibiotic particle matched with standing groove, a plurality of waterproof air vents are offered to packaging film inside.

Further, a plurality of waterproof vent holes are transversely equidistantly arranged, and the upper side and the lower side of the waterproof vent holes are designed as vent holes.

Further, the opening of the waterproof vent hole close to one side of the heat preservation layer is larger than the opening of one side of the outer layer film, and the inner wall of the waterproof vent hole is provided with absorbent cotton.

Further, two film tearing holes are formed in one end, close to the tearing extension line, of the packaging film, and the tearing extension line is arranged between the two film tearing holes.

Further, a high-molecular damping material layer and a polyethylene film are arranged in the heat preservation layer, and a polyester film and an ink layer are arranged in the base film.

Further, the polyester film is arranged in the middle of the printing ink layer, and an aluminum plating layer and a glass fiber layer are arranged in the high barrier layer.

Compared with the prior art, the utility model provides a high-barrier PVC packaging film, which comprises the following components

The beneficial effects are that:

1. this high separation PVC packaging film, the heat preservation that sets up through the packaging film is close to object surface and the heat preservation is inboard in article laminating, when inside entering packaging film with steam then can remove to outer membrane one side through waterproof air vent, and waterproof air vent both sides examine mouthful size difference simultaneously can be with the discharge of steam little opening part.

2. This high separation PVC packaging film, tearing extension line and dyestripping hole through packaging film surface setting can be very light to be the partition with the packaging film and tear, opens back heat preservation one side for inboard in article or food contact with the packaging film, has solved bulk strength inadequately, makes the problem of packaging film's life shear.

Drawings

FIG. 1 is a top plan view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the packaging film of the present utility model;

FIG. 3 is a cross-sectional view of the insulation layer of the present utility model;

FIG. 4 is a cross-sectional view of the structure of the base film of the present utility model;

fig. 5 is a cross-sectional view of the structure of the high barrier layer of the present utility model.

In the figure: 1 packaging film, 2 tearing lines, 3 tearing lines, 4 first adhesive layers, 5 elastic films, 6 second adhesive layers, 7 fiber films, 8 high barrier layers, 9 base films, 10 heat preservation layers, 11 placing grooves, 12 inorganic antibacterial particles, 13 waterproof vent holes, 14 absorbent cotton, 15 polyethylene films, 16 high molecular damping material layers, 17 polyester films, 18 ink layers, 19 aluminized layers, 20 glass fiber layers, 21 outer layer films and 22 release films.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a high-barrier PVC packaging film includes a packaging film 1, a plurality of waterproof vent holes 13 are formed in the packaging film 1, the waterproof vent holes 13 are arranged transversely at equal intervals, the upper and lower sides of the waterproof vent holes 13 are designed as through holes, tear extension lines 3 are formed in the left and right sides of the surface of the packaging film 1, two tear film holes 2 are formed in one end, close to the tear extension lines 3, of the packaging film 1, the tear extension lines 3 are arranged between the two tear film holes 2, and barrier components are adhered to the inner side of the packaging film 1.

The barrier component comprises an outer layer film 21, a release film 22 is adhered to the lower side of the outer layer film 21, a first adhesive layer 4 is adhered to the lower side of the release film 22, an elastic film 5 is adhered to the lower side of the first adhesive layer 4, a second adhesive layer 6 is adhered to the lower side of the elastic film 5, a fiber film 7 is adhered to the lower side of the second adhesive layer 6, a high barrier layer 8 is adhered to the lower side of the fiber film 7, an aluminum plating layer 19 and a glass fiber layer 20 are arranged in the high barrier layer 8, a base film 9 is adhered to the lower side of the high barrier layer 8, a polyester film 17 and an ink layer 18 are arranged in the base film 9, the polyester film 17 is arranged in the middle of the ink layer 18, a heat preservation layer 10 is adhered to the lower side of the base film 9, a high molecular damping material layer 16 and a polyethylene film 15 are arranged in the heat preservation layer 10, an opening of one side of the waterproof vent hole 13 close to the heat preservation layer 10 is larger than an opening of one side of the outer layer film 21, a water absorbing cotton 14 is arranged on the inner wall of the waterproof vent hole 13, a plurality of inorganic antibacterial particles 12 are arranged on the inner side of the heat preservation layer 10, and a placing groove 11 matched with the inorganic antibacterial particles 12 is arranged in the lower side of the heat preservation layer 10.

In this embodiment, the inorganic antibacterial particles 12 can perform a sterilization function by activating oxygen in the water vapor adsorbed by the absorbent cotton 14, so that the surface of the heat insulation layer 10 can perform a sterilization function to avoid bacteria.

When the packaging film is used, the tearing extension line 3 and the tearing film hole 2 arranged on the surface of the packaging film 1 can easily split the packaging film 1 in equal intervals, one side of the heat preservation layer 10 is the inner side of the packaging film 1 after the packaging film 1 is opened and is in contact with articles or foods, the heat preservation time can be prolonged by the polyethylene film 15 and the high-molecular damping material layer 16 in the heat preservation layer 10, the heat dissipation speed of foods is slower, the glass fiber layer 20 and the aluminized layer 19 arranged in the high-barrier layer 8 play a role in protecting objects and have resistance, when water vapor enters the packaging film 1, the packaging film can move to the outer layer film 21 side through the waterproof vent holes 13, and meanwhile, the small openings of the water vapor can be discharged through the different sizes of the two sides of the waterproof vent holes 13, so that the inside of the packaging film 1 can be dried for a long time through the absorption of the water vapor by the absorbent cotton 14 in the water vapor moving process.

The beneficial effects of the embodiment are as follows:

this high separation PVC packaging film, the heat preservation 10 that sets up through packaging film 1 inside is close to object surface and heat preservation 10 is inboard in article laminating, when having steam entering packaging film 1 inside then can remove to outer membrane 21 one side through waterproof air vent 13 simultaneously waterproof air vent 13 both sides examine mouthful size difference and can discharge steam little opening part.

This high separation PVC packaging film, tearing extension line 3 and dyestripping hole 2 through packaging film 1 surface setting can be very light to be the partition with packaging film 1 and tear, opens back heat preservation 10 one side for inboard in article or food contact with packaging film 1, has solved bulk strength inadequately, makes packaging film's life cut short problem.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high separation PVC packaging film, includes packaging film (1), its characterized in that: tearing extension lines (3) are arranged on the left side and the right side of the surface of the packaging film (1), and a blocking component is adhered to the inner side of the packaging film (1);

the separation assembly comprises an outer layer film (21), a release film (22) is adhered to the lower side of the outer layer film (21), a first adhesive layer (4) is adhered to the lower side of the release film (22), an elastic film (5) is adhered to the lower side of the first adhesive layer (4), a second adhesive layer (6) is adhered to the lower side of the elastic film (5), a fibrous film (7) is adhered to the lower side of the second adhesive layer (6), a high-separation layer (8) is adhered to the lower side of the fibrous film (7), a base film (9) is adhered to the lower side of the high-separation layer (8), a heat preservation layer (10) is adhered to the lower side of the base film (9), and a plurality of inorganic antibacterial particles (12) are arranged on the inner side of the heat preservation layer (10).

2. The high barrier PVC packaging film of claim 1, wherein: the inside of heat preservation (10) downside is seted up in inorganic antibiotic particle (12) matched with standing groove (11), a plurality of waterproof air vent (13) are seted up to packaging film (1) inside.

3. The high barrier PVC packaging film of claim 2, wherein: the waterproof vent holes (13) are transversely and equidistantly arranged, and the upper side and the lower side of the waterproof vent holes (13) are designed as vent holes.

4. A high barrier PVC packaging film according to claim 3, wherein: the opening of the waterproof vent hole (13) close to one side of the heat preservation layer (10) is larger than the opening of one side of the outer layer film (21), and the inner wall of the waterproof vent hole (13) is provided with water absorbing cotton (14).

5. The high barrier PVC packaging film of claim 2, wherein: two film tearing holes (2) are formed in one end, close to the tearing extension line (3), of the packaging film (1), and the tearing extension line (3) is arranged between the two film tearing holes (2).

6. The high barrier PVC packaging film of claim 1, wherein: the heat insulation layer (10) is internally provided with a high-molecular damping material layer (16) and a polyethylene film (15), and the base film (9) is internally provided with a polyester film (17) and an ink layer (18).

7. The high barrier PVC packaging film of claim 6, wherein: the polyester film (17) is arranged in the middle of the ink layer (18), and an aluminized layer (19) and a glass fiber layer (20) are arranged in the high-barrier layer (8).