Mildew-proof adhesive film

Abstract

The utility model discloses a mould-proof adhesive film, which belongs to the field of packaging materials and comprises a peelable temporary protective layer, an adhesive film base layer arranged inside the peelable temporary protective layer, a mould-proof layer arranged at the top of the adhesive film base layer and a damp-proof layer arranged at the bottom of the adhesive film base layer. The adhesive film base layer is composed of a first adhesive layer, a second adhesive layer and a third adhesive layer, the third adhesive layer is arranged at the bottom of the first adhesive layer, the damp-proof layer is arranged at the bottom of the third adhesive layer, a plurality of electrostatic repulsion columns are fixed in the second adhesive layer, the tops of the electrostatic repulsion columns are connected with the mildew-proof layer, and the bottoms of the electrostatic repulsion columns are connected with the damp-proof layer; the electrostatic repulsion column is a surface ionization treatment column body, achieves efficient mildew-proof and antibacterial effects in a humid environment, delays material aging, effectively inhibits pollutant residues and electrostatic adsorption, reduces micro-plastic release, reduces the weight of the material, improves the anti-deformation capability, and meets the optical packaging requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packaging materials more specifically, relate to the mildewproof type film. BACKGROUND

[0002] In the field of packaging materials, the film as the basic protective material is widely used in food, medicine, electronic components and other product sealing and protection. With the market demand for product shelf life, the mildewproof film gradually becomes a research hotspot;

[0003] Such as patent (CN217809236U) discloses the film, the film includes first release material layer, first adhesive layer, second release material layer, second adhesive layer and third release material layer five layer structure, so that the film has higher hardness, reduces the film in the circuit board process easily broken problem, thereby improve the reliability of the film;

[0004] In the use of the above technology, it is found that the prior art has the following technical problems: single function and insufficient environmental adaptability, although the hardness is improved, but the functional layer only focuses on physical protection, lacks active protection mechanism such as mildew and moisture resistance, therefore, we design the mildewproof film to provide another technical solution for the above technical problems. INVENTION CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a mildewproof film, which can realize efficient mildew resistance and antibiosis in a humid environment, delay material aging, effectively inhibit pollutant residue and static adsorption, reduce microplastic release, reduce material weight while improving anti-deformation ability, and meet the demand of optical packaging.

[0007] 2. Technical scheme

[0008] In order to solve the above problems, the utility model adopts the following technical scheme.

[0009] The mildewproof film comprises a peelable temporary protective layer, the inside of the peelable temporary protective layer is provided with a film base layer, the top of the film base layer is provided with a mildewproof layer, the bottom of the film base layer is provided with a moisture-proof layer, the film base layer is composed of a first adhesive layer, a second adhesive layer and a third adhesive layer, the bottom of the first adhesive layer is provided with a third adhesive layer, and the bottom of the third adhesive layer is provided with a moisture-proof layer.

[0010] Further, the inside of the second adhesive layer is fixed with a plurality of static electricity repelling columns, the top of the static electricity repelling column is connected with the mildewproof layer, the bottom of the static electricity repelling column is connected with the moisture-proof layer, and the static electricity repelling column is a surface ionization treatment column.

[0011] Further, the first glue layer and the third glue layer are internally provided with vertical through holes, and the electrostatic repulsion column is located in the vertical through hole and is in gap cooperation with the second glue layer and the third glue layer through the vertical through hole.

[0012] Further, the second glue layer is internally and uniformly provided with a plurality of transversely arranged transverse toughening strips, and is internally and uniformly provided with a plurality of longitudinally arranged longitudinal toughening strips, the electrostatic repulsion column penetrates through the inside of the transverse toughening strip and the longitudinal toughening strip and is fixedly connected with the transverse toughening strip and the longitudinal toughening strip, and the transverse toughening strip and the longitudinal toughening strip are made of polycarbonate.

[0013] Further, the material of the peelable temporary protective layer is a water-soluble polyvinyl alcohol film.

[0014] Further, the mold-proof layer is composed of an acrylic resin layer and nano-silver particles, the nano-silver particles are uniformly distributed in the inside of the acrylic resin layer, and the particle size of the nano-silver particles is ≤20nm.

[0015] Further, the first glue layer is internally and uniformly provided with boron nitride-based composite material;

[0016] The second glue layer is internally and uniformly dispersed with nano-cellulose;

[0017] The third glue layer is internally provided with chitosan.

[0018] Further, the material of the moisture-proof layer is an aluminum oxide film.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of the utility model lie in that:

[0021] The scheme realizes efficient mold-proof and antibacterial in a humid environment, delays material aging, effectively inhibits pollutant residue and electrostatic adsorption, reduces micro-plastic release, reduces the weight of the material while improving the anti-deformation capability, and meets the optical packaging demand. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the peelable temporary protective layer of the utility model;

[0023] Figure 2 It is a structure schematic view of the inside of the peelable temporary protective layer of the utility model;

[0024] Figure 3 It is a structure schematic view of the mold-proof layer and the first glue layer of the utility model;

[0025] Figure 4The utility model discloses a structure schematic diagram of static electricity repulsion column.

[0026] Figure 5 The utility model discloses a structure schematic diagram inside the first glue layer.

[0027] Figure 6 The utility model discloses a structure schematic diagram of horizontal toughening strip and longitudinal toughening strip.

[0028] Mark explanation in drawing:

[0029] 1, the peelable temporary protective layer, 2, the mildewproof layer, 3, the first glue layer, 4, the second glue layer, 5, the third glue layer, 6, the moisture-proof layer, 7, static electricity repulsion column, 8, horizontal toughening strip, 9, longitudinal toughening strip. Specific implementation

[0030] The utility model discloses an embodiment will be clearly and completely described with the drawings in the embodiment of the utility model to the technical scheme in the embodiment of the utility model;Obviously, the described embodiment only is a part of embodiment of the utility model, but not all the embodiment, based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains under the premise of not making the creative labor belong to the range of protection of the utility model.

[0031] Embodiment:

[0032] Please refer to Figure 1-6 Mildewproof type adhesive film, including peelable temporary protective layer 1, the inside of peelable temporary protective layer 1 is provided with adhesive film base layer, the top of adhesive film base layer is provided with mildewproof layer 2, the bottom of adhesive film base layer is provided with moisture-proof layer 6, and adhesive film base layer is composed of first glue layer 3, second glue layer 4 and third glue layer 5, the bottom of first glue layer 3 is provided with third glue layer 5, and the bottom of third glue layer 5 is provided with moisture-proof layer 6;

[0033] The inside of second glue layer 4 is fixed with a plurality of static electricity repulsion columns 7, the top of static electricity repulsion column 7 is connected with mildewproof layer 2, the bottom of static electricity repulsion column 7 is connected with moisture-proof layer 6, static electricity repulsion column 7 is surface ionization treatment column body, reduces particle aggregation through double electric layer repulsion, avoids local electric field distortion, improves the uniformity of adhesive film base layer, and static electricity repulsion can direct repulsion polarity molecule, prolongs shelf life;

[0034] The inside of first glue layer 3 and third glue layer 5 is provided with vertical through hole, and static electricity repulsion column 7 is located inside vertical through hole and is connected with second glue layer 4 and third glue layer 5 through the gap cooperation of the setting of vertical through hole, to make the mildewproof layer 2 and moisture-proof layer 6 can be connected between them;

[0035] The interior of the second adhesive layer 4 is uniformly provided with a plurality of transversely arranged transverse toughening strips 8, and the interior of the second adhesive layer 4 is also uniformly provided with a plurality of longitudinally arranged longitudinal toughening strips 9. The electrostatic repulsion columns 7 penetrate the interiors of the transverse toughening strips 8 and the longitudinal toughening strips 9 and are fixedly connected with the transverse toughening strips 8 and the longitudinal toughening strips 9. The materials of the transverse toughening strips 8 and the longitudinal toughening strips 9 are both polycarbonates. The polycarbonates have the properties of being firm and tough and have high impact resistance and can withstand large plastic deformation without cracking or breaking.

[0036] The material of the peelable temporary protective layer 1 is a water-soluble polyvinyl alcohol film. The polyvinyl alcohol film is a functional film made of polyvinyl alcohol as the main raw material and has the characteristics of dissolving in water, being environmentally friendly and non-toxic, and having high transparency. It is widely used in temporary protection, packaging, medical treatment, electronics and other fields. It can be dissolved by directly washing or soaking with water, preventing dust and fingerprint pollution of the inner antifungal adhesive film during transportation and storage.

[0037] The antifungal layer 2 is composed of an acrylic resin layer and nano silver particles. The nano silver particles are uniformly distributed in the interior of the acrylic resin layer. The particle size of the nano silver particles is ≤20 nm. The nano silver particles can destroy the cell membranes of microorganisms by releasing silver ions and inhibit DNA replication, which is effective against bacteria, mold and fungi.

[0038] The interior of the first adhesive layer 3 is uniformly provided with boron nitride-based composite material. The boron nitride-based composite material can quickly conduct the local heat of the adhesive film, avoid temperature accumulation leading to ineffective antifungal effect, reduce condensate water caused by temperature difference, inhibit the breeding environment of mold, and is stable to acid, alkali and organic solvents, thereby prolonging the service life of the adhesive film base layer.

[0039] The interior of the second adhesive layer 4 is uniformly dispersed with nano cellulose. The nano cellulose is a nanoscale material extracted from natural cellulose. It can significantly improve the mechanical strength while maintaining the high transparency of the adhesive film base layer. It is a completely bio-based material and meets the requirements of sustainable development and biodegradability.

[0040] The interior of the third adhesive layer 5 is provided with chitosan. Chitosan has broad-spectrum antibacterial properties and can significantly inhibit a variety of microorganisms such as bacteria and fungi. It can continuously inhibit the microorganisms in the environment of the adhesive film base layer. It can be used as an adhesive or stabilizer to make the structure of the adhesive film base layer more compact and firm, thereby improving the physical properties of the base layer.

[0041] The material of the moisture-proof layer 6 is an aluminum oxide film. The aluminum oxide film is an inorganic film that is resistant to high temperature, has good thermal stability, high strength and stable chemical properties. It belongs to a membrane separation technology. The aluminum oxide film has strong chemical stability and is not easily reacted with acid, alkali and other substances. It reduces the contact of water with the adhesive film base material by physical barrier to prevent the expansion, deformation or performance degradation of the material caused by moisture absorption.

[0042] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. An anti-mildew adhesive film, characterized in that: It includes a peelable temporary protective layer (1), the peelable temporary protective layer (1) has an adhesive film base layer inside, the top of the adhesive film base layer has an anti-mildew layer (2), the bottom of the adhesive film base layer has a moisture-proof layer (6), the adhesive film base layer is composed of a first adhesive layer (3), a second adhesive layer (4) and a third adhesive layer (5), the bottom of the first adhesive layer (3) has a third adhesive layer (5), and the bottom of the third adhesive layer (5) has a moisture-proof layer (6).

2. The anti-mildew film according to claim 1, characterized in that: The second adhesive layer (4) has multiple electrostatic repulsion columns (7) fixed inside. The top of the electrostatic repulsion column (7) is connected to the anti-mildew layer (2), and the bottom of the electrostatic repulsion column (7) is connected to the moisture-proof layer (6). The electrostatic repulsion column (7) is a surface ionization treated column.

3. The anti-mildew adhesive film according to claim 2, characterized in that: The first adhesive layer (3) and the third adhesive layer (5) are both provided with vertical through holes. The electrostatic repulsion column (7) is located inside the vertical through hole and is fitted with the second adhesive layer (4) and the third adhesive layer (5) through the vertical through hole.

4. The anti-mildew adhesive film according to claim 3, characterized in that: The second adhesive layer (4) is provided with a plurality of transverse toughening strips (8) evenly distributed inside, and the second adhesive layer (4) is also provided with a plurality of longitudinal toughening strips (9) evenly distributed inside. The electrostatic repulsion column (7) penetrates the interior of the transverse toughening strips (8) and the longitudinal toughening strips (9) and is fixedly connected to the transverse toughening strips (8) and the longitudinal toughening strips (9). The transverse toughening strips (8) and the longitudinal toughening strips (9) are both made of polycarbonate.

5. The anti-mildew adhesive film according to claim 1, characterized in that: The material of the peelable temporary protective layer (1) is a water-soluble polyvinyl alcohol film.

6. The anti-mildew adhesive film according to claim 1, characterized in that: The anti-mildew layer (2) is composed of an acrylic resin layer and silver nanoparticles. The silver nanoparticles are uniformly distributed inside the acrylic resin layer, and the particle size of the silver nanoparticles is ≤20nm.

7. The anti-mildew adhesive film according to claim 1, characterized in that: The first adhesive layer (3) is uniformly provided with boron nitride-based composite material inside; The second adhesive layer (4) contains uniformly dispersed nanocellulose. Chitosan is disposed inside the third adhesive layer (5).

8. The anti-mildew adhesive film according to claim 1, characterized in that: The moisture-proof layer (6) is made of aluminum oxide film.

Images