Heat preservation film

Abstract

The utility model provides a heat preservation film. The heat preservation film comprises a base layer, a heat preservation layer, a bonding layer, a decoration layer and a protection layer, wherein a base material is used as a base layer, and an LDPE film is selected as a material; wherein the thermal insulation layer is made of an aluminum-plated layer, and the thickness of the thermal insulation layer is 3-8 microns; wherein the bonding layer is made of an EVA (Ethylene Vinyl Acetate Copolymer) spraying film, and the thickness of the bonding layer is 0.01 Wherein the decorative layer is made of a glitter film and a quicksand PP film, and the thickness of the decorative layer is 0.2-0.35 mm. The heat insulation effect is obviously improved; and the heat reflection capability is greatly improved by adopting the aluminum plating layer. And the appearance effect is improved through the glitter film and the quicksand PP film, and the high-end packaging requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of packaging materials technology, and in particular to a heat-insulating film. Background Technology

[0002] Existing thermal insulation packaging materials typically employ single-layer or multi-layer composite films, primarily used for food, takeout, and other packaging requiring insulation. However, these materials have limitations in terms of insulation performance and aesthetic appeal. To address these issues, this invention provides a novel thermal insulation film with superior insulation performance and aesthetic appeal. Utility Model Content

[0003] The primary objective of this invention is to provide an insulating film with an inner heat-insulating layer and an outer aesthetically pleasing design, particularly suitable for packaging takeout bags and food bags.

[0004] This utility model provides a heat-insulating film, including a base layer, a heat-insulating layer, an adhesive layer, a decorative layer, and a protective layer;

[0005] The substrate is used as the base layer, and the material selected is LDPE film.

[0006] The insulation layer is made of aluminum-plated material with a thickness of 3 to 8 micrometers.

[0007] The adhesive layer is made of EVA film with a thickness of 0.01mm-0.03mm.

[0008] The decorative layer is made of glitter film or quicksand PP film, with a thickness of 0.2mm-0.35mm.

[0009] The protective layer is made of PET film with a thickness of 0.02mm-0.04mm.

[0010] Preferably, the LDPE film is used as the substrate, and the inner wall is plated with aluminum to form a mirror layer with high reflectivity, thereby enhancing the heat preservation effect.

[0011] Preferably, the EVA coating technology is combined with glitter film and quicksand PP film, and one of the two is used to form the outer layer.

[0012] Preferably, the LDPE film forms a bubble film with a thickness controlled between 0.2 mm and 0.3 mm.

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

[0014] Significantly improved thermal insulation: The use of an aluminum-plated layer greatly enhances heat reflection capabilities.

[0015] Aesthetically pleasing: The use of glitter film and quicksand PP film enhances the appearance and meets the needs of high-end packaging.

[0016] Enhanced durability: The addition of a PET protective layer increases the material's resistance to abrasion, water, and chemicals.

[0017] Good environmental performance: Environmentally friendly materials and processes are selected to ensure that the product is harmless to the environment. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a structural view of the present invention;

[0020] Figure 2 This is the ingredient list for this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Base layer; 2. Insulation layer; 3. Adhesive layer; 4. Decorative layer; 5. Protective layer. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Please see Figures 1 to 2 This utility model provides a technical solution:

[0025] A thermal insulation membrane includes a base layer, a thermal insulation layer, an adhesive layer, a decorative layer, and a protective layer;

[0026] The substrate is used as the base layer, and the material selected is LDPE film.

[0027] The insulation layer is made of aluminum-plated material with a thickness of 3 to 8 micrometers.

[0028] The adhesive layer is made of EVA film with a thickness of 0.01mm-0.03mm.

[0029] The decorative layer is made of glitter film or quicksand PP film, with a thickness of 0.2mm-0.35mm.

[0030] The protective layer is made of PET film with a thickness of 0.02mm-0.04mm.

[0031] The LDPE film is used as the substrate, and the inner wall is plated with aluminum to form a mirror layer, which creates high reflectivity and enhances the heat preservation effect.

[0032] The EVA coating technology combines glitter film and quicksand PP film, with one of the two being used to form the outer layer.

[0033] The bubble film is generated using LDPE film, with a thickness controlled between 0.2 mm and 0.3 mm.

[0034] Bubble film preparation:

[0035] Prepare LDPE bubble film with a thickness controlled between 0.2mm and 0.3mm to ensure basic thermal insulation performance.

[0036] Aluminum coating:

[0037] The inner wall of the LDPE bubble film is aluminum-plated, with the thickness of the aluminum layer controlled between 3 and 8 micrometers to ensure high reflectivity and enhance the heat preservation effect.

[0038] EVA coating adhesion:

[0039] EVA coating is applied to the outer surface of the aluminum-plated layer using EVA coating technology, with the thickness controlled between 0.01mm and 0.03mm. The main function of the EVA layer is to provide high transparency and flexibility while enhancing adhesion.

[0040] Outer decorative film composite:

[0041] A custom-designed glitter film or quicksand PP film is adhered to the EVA layer using a composite technology, with the thickness controlled between 0.2mm and 0.35mm. This step ensures the high gloss and aesthetic appeal of the outer film.

[0042] Protective coating:

[0043] A PET film is coated on the outside of the decorative layer, with a thickness controlled between 0.02mm and 0.04mm, to increase the overall material's durability, water resistance, and chemical resistance. Example

[0044] Materials: LDPE bubble wrap (0.25mm thick), aluminum plating layer (3 microns thick), EVA coating (0.01mm thick), glitter film (0.2mm thick), PET protective layer (0.02mm thick).

[0045] Features: High heat insulation effect, shiny and beautiful, waterproof and wear-resistant, suitable for high-end food packaging. Example

[0046] Materials: LDPE bubble wrap (0.2mm thick), aluminum plating layer (5 microns thick), EVA coating (0.02mm thick), quicksand PP film (0.3mm thick), PET protective layer (0.03mm thick).

[0047] Features: Superb heat insulation, smooth, quicksand-like appearance, strong chemical resistance, suitable for takeout packaging. Example

[0048] Materials: LDPE bubble wrap (0.3mm thick), aluminum plating layer (8 microns thick), EVA coating (0.03mm thick), custom-designed glitter film (0.35mm thick), PET protective layer (0.04mm thick).

[0049] Features: Excellent heat insulation, personalized design, wear-resistant and durable, suitable for high-end gift packaging.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A heat-insulating film, characterized in that: It includes a base layer, an insulation layer, an adhesive layer, a decorative layer, and a protective layer; The substrate is used as the base layer, and the material selected is LDPE film. The insulation layer is made of aluminum-plated material with a thickness of 3 to 8 micrometers. The adhesive layer is made of EVA film with a thickness of 0.01mm-0.03mm. The decorative layer is made of glitter film or quicksand PP film, with a thickness of 0.2mm-0.35mm. The protective layer is made of PET film with a thickness of 0.02mm-0.04mm.

2. The heat-insulating film according to claim 1, characterized in that, The LDPE film is used as the substrate, and the inner wall is plated with aluminum to form a mirror layer, which creates high reflectivity and enhances the heat preservation effect.

3. The heat-insulating film according to claim 1, characterized in that, The EVA coating technology combines glitter film and quicksand PP film, with one of the two being used to form the outer layer.

4. The heat-insulating film according to claim 1, characterized in that, The LDPE film forms a bubble film with a thickness controlled between 0.2 mm and 0.3 mm.

Images