Flame-retardant, heat-insulating and anti-puncture PET (polyethylene terephthalate) aluminum laminated film

Abstract

The utility model provides a flame-retardant heat-insulating anti-puncture PET (polyethylene terephthalate) aluminum laminated film, which comprises a body, a storage cavity is fixedly connected with the two rear sides of the body, a notch is arranged inside the body, a connecting groove is arranged inside the body, and a connecting belt is fixedly connected with one side of the body. According to the flame-retardant heat-insulation anti-puncture PET aluminum laminated film provided by the utility model, the three notches corresponding to the three connecting grooves are formed in the body, so that when a user tears a packaging bag manufactured by the body, the packaging bag can be separated and torn along the connecting grooves corresponding to the notches, and a specified opening is formed in the packaging bag; according to the potato chip packaging bag, the opening of the packaging bag is sealed through the adhesive tape, so that the potato chips can be conveniently sealed after being eaten up, and meanwhile, the packaging bag is adhered and fixed through the adhesive tape after the notch of the packaging bag manufactured through the body is folded, so that an additional sealing clip does not need to be used for sealing the opening, the opening is conveniently sealed, and the applicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PET aluminized films, and in particular relates to a flame-retardant, heat-insulating and puncture-resistant PET aluminized film. Background Art

[0002] PET aluminized film is a barrier film formed by depositing a thin layer of aluminum atoms on high-quality PET film through a vacuum aluminizing process. It has bright metallic luster, excellent gas and light barrier properties, and good moisture resistance, heat resistance, and puncture resistance.

[0003] Usually PET aluminized film is widely used in food packaging, tobacco industry packaging, lamination, printing, self-adhesive labels and other fields. It is suitable for various high-end tobacco and alcohol packaging, gift boxes and other gold and silver cardboards. It can also be used for milk powder, tea, medicine, food and other packaging and trademarks. It can also be used for laser anti-counterfeiting materials.

[0004] At present, snacks such as potato chips are packaged in packaging bags made of PET aluminized film. However, when the current packaging bags are used, when the user tears them open, a larger opening will be directly torn open, resulting in that it is inconvenient to seal the opening after the potato chips inside the packaging bag are not eaten up.

[0005] Therefore, it is necessary to provide a flame retardant, heat-insulating, and puncture-resistant PET aluminized film to solve the above technical problems. Utility Model Content

[0006] The utility model provides a flame-retardant, heat-insulating and puncture-resistant PET aluminized film, which solves the problem that a larger opening is directly torn when a user tears the film.

[0007] In order to solve the above technical problems, the utility model provides a flame retardant, heat insulating and puncture resistant PET aluminized film, comprising:

[0008] A body, wherein the body is fixedly connected to two rear sides to form a storage cavity;

[0009] A notch, wherein the notch is arranged inside the body, a connecting groove is opened inside the body, a connecting belt is fixedly connected to one side of the body, an adhesive belt is fixedly connected to one end of the connecting belt, and a drawstring is fixedly connected to one end of the adhesive belt;

[0010] The body comprises a drying layer, a PET base film is arranged on the top of the drying layer, an aluminum-plated layer is arranged on the top of the PET base film, a flame-retardant layer is arranged on the top of the aluminum-plated layer, and an anti-puncture layer is arranged on the top of the flame-retardant layer.

[0011] Preferably, the bottom of the PET base film is fixedly connected to the top of the drying layer, and the drying layer is made of silicon dioxide.

[0012] Preferably, the bottom of the flame retardant layer is fixedly connected to the top of the aluminum-plated layer, and the top is fixedly connected to the bottom of the puncture-proof layer.

[0013] Preferably, the flame retardant layer is a halogen-free flame retardant PC film layer, and the puncture-proof layer is a LLDPE film layer.

[0014] Preferably, an antistatic layer is provided on the top of the anti-puncture layer, and the antistatic layer is a coating made of polyaniline material.

[0015] Preferably, a waterproof layer is provided on the surface of the body, and the waterproof layer is a water-based polyurethane waterproof coating.

[0016] Preferably, a wear-resistant layer is provided on the top of the waterproof layer, and the wear-resistant layer is made of polyurethane resin material.

[0017] Compared with the related art, the flame retardant, heat insulating and puncture resistant PET aluminized film provided by the utility model has the following beneficial effects:

[0018] The utility model provides a flame-retardant, heat-insulating and puncture-proof PET aluminum-plated film. Three notches are arranged inside a main body corresponding to the three connecting grooves, so that when a user tears open a packaging bag made through the main body, the packaging bag is separated and torn along the connecting grooves corresponding to the notches, so that a specified opening is formed in the packaging bag, thereby facilitating sealing after the potato chips are not completely eaten. At the same time, the notch of the packaging bag made through the main body is folded and fixed with an adhesive tape, so that there is no need to seal the opening with an additional sealing clip, which facilitates sealing the opening and increases applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a first embodiment of a flame-retardant, heat-insulating, and puncture-resistant PET aluminized film provided by the utility model;

[0020] Figure 2 for Figure 1 The structural diagram of the main body shown;

[0021] Figure 3 for Figure 1 The structural schematic diagram of the connecting groove shown;

[0022] Figure 4 for Figure 1 A schematic structural diagram of a cross-section of the body shown;

[0023] Figure 5 This is a structural schematic diagram of a second embodiment of a flame-retardant, heat-insulating, and puncture-resistant PET aluminum-coated film provided by the utility model.

[0024] Numbers in the figure: 1. main body, 2. notch, 3. connecting groove, 4. connecting belt, 5. adhesive belt, 6. pull belt, 7. drying layer, 8. PET base film, 9. aluminized layer, 10. flame retardant layer, 11. anti-puncture layer, 12. antistatic layer, 13. waterproof layer, 14. wear-resistant layer, 15. storage cavity. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0026] First embodiment

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a flame-retardant, heat-insulating, and puncture-resistant PET aluminized film provided by the utility model; Figure 2 for Figure 1 The structural diagram of the main body shown; Figure 3 for Figure 1 The structural schematic diagram of the connecting groove shown; Figure 4 for Figure 1 A flame retardant, heat insulating and puncture resistant PET aluminized film, comprising:

[0028] The body 1 has two sides facing the rear thereof, which are fixedly connected to form a storage cavity 15;

[0029] A notch 2, wherein the notch 2 is arranged inside the body 1, a connecting groove 3 is opened inside the body 1, a connecting belt 4 is fixedly connected to one side of the body 1, an adhesive belt 5 is fixedly connected to one end of the connecting belt 4, and a pull belt 6 is fixedly connected to one end of the adhesive belt 5;

[0030] The body 1 includes a drying layer 7, a PET base film 8 is arranged on the top of the drying layer 7, an aluminum-plated layer 9 is arranged on the top of the aluminum-plated layer 9, a flame-retardant layer 10 is arranged on the top of the flame-retardant layer 10, and an anti-puncture layer 11 is arranged on the top of the flame-retardant layer 10.

[0031] Three notches 2 are provided at both ends of the body 1, four of which correspond to two connecting grooves 3, which are used to form openings of different sizes after tearing the corresponding notches 2, and two of the notches 2 are connected by the connecting grooves 3, so that a through opening can be torn.

[0032] The storage bin 15 is used to store packaged potato chips.

[0033] A connecting belt 4 is fixedly connected to one side of the body 1 , and the adhesive belt 5 may be an adhesive tape, which is used to fix the opening of the packaging bag made of the body 1 through the adhesive belt 5 after it is folded to a suitable position.

[0034] The bottom of the PET base film 8 is fixedly connected to the top of the drying layer 7, and the drying layer 7 is made of silicon dioxide.

[0035] The bottom of the flame retardant layer 10 is fixedly connected to the top of the aluminum-plated layer 9 , and the top of the flame retardant layer 10 is fixedly connected to the bottom of the puncture-proof layer 11 .

[0036] The puncture-proof layer 11 is an LLDPE film layer. The LLDPE film contains a small amount of long chain branches, which is conducive to enhancing the entanglement between molecular chains and improving the interaction between molecular chains, so that the LLDPE film has excellent puncture-proof performance and prolongs the service life of the body 1.

[0037] The flame retardant layer 10 is a halogen-free flame retardant PC film layer, and the puncture-proof layer 11 is a LLDPE film layer.

[0038] The flame retardant layer 10 is a halogen-free flame retardant PC film layer. The halogen-free flame retardant PC film has good formability, excellent mechanical properties, good dimensional stability at high temperatures and a high flame retardant grade. Together with the aluminum-plated layer 9, the body 1 has flame retardant and heat-insulating properties.

[0039] An antistatic layer 12 is disposed on the top of the anti-puncture layer 11 , and the antistatic layer 12 is a coating made of polyaniline material.

[0040] The antistatic layer 12 is used to prevent dust from being adsorbed on the surface of the body 1 due to static electricity.

[0041] The working principle of the flame-retardant, heat-insulating and puncture-resistant PET aluminized film provided by the utility model is as follows:

[0042] During use, after the user selects the size of the opening, the user tears the notch 2 on the packaging bag made by the main body 1, so that the opening is separated and torn along the connecting groove 3 corresponding to the torn notch 2, so that the packaging bag forms a specified opening.

[0043] When not eating, the draw tape 6 is pulled to separate one side of the adhesive tape 5 from the main body 1, and the opening is folded to a suitable position, and then adhered by the adhesive tape 5, with one part of the adhesive tape 5 adhered to the connection and another part adhered to the surface of the main body 1 to seal the opening.

[0044] Compared with the related art, the flame retardant, heat insulating and puncture resistant PET aluminized film provided by the utility model has the following beneficial effects:

[0045] The utility model provides a flame-retardant, heat-insulating and puncture-resistant PET aluminized film. Three notches 2 corresponding to the three connecting grooves 3 are arranged inside a main body 1, so that when a user tears open a packaging bag made through the main body 1, the packaging bag is separated and torn along the connecting grooves 3 corresponding to the notches 2, so that the packaging bag forms a specified opening, thereby facilitating sealing after the potato chips are not completely eaten. At the same time, after the notch of the packaging bag made through the main body 1 is folded, it is adhered and fixed by an adhesive tape 5, so that there is no need to seal the opening through an additional sealing clip, which facilitates sealing the opening and increases applicability.

[0046] Second embodiment

[0047] Please refer to Figure 5 Based on the flame retardant, heat insulating and puncture resistant PET aluminized film provided in the first embodiment of the present application, the second embodiment of the present application proposes another flame retardant, heat insulating and puncture resistant PET aluminized film. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0048] Specifically, the second embodiment of the present application provides a flame retardant, heat insulating, and puncture-resistant PET aluminum-coated film, which is different in that it is a flame retardant, heat insulating, and puncture-resistant PET aluminum-coated film, and the surface of the main body 1 is provided with a waterproof layer 13, and the waterproof layer 13 is a water-based polyurethane waterproof coating.

[0049] The waterproof layer 13 is used to increase the hydrophobicity of the body 1 and prevent rainwater from adhering to the surface of the body 1 , thereby increasing the waterproofness of the body 1 .

[0050] The wear-resistant layer 14 is used to increase the wear resistance of the main body 1, and cooperates with the waterproof layer 13 so that the main body 1 can be used to package the outer shell of express delivery, thereby preventing rain from corroding the express delivery packaging.

[0051] A wear-resistant layer 14 is disposed on the top of the waterproof layer 13 , and the wear-resistant layer 14 is made of polyurethane resin.

[0052] Compared with the related art, the flame retardant, heat insulating and puncture resistant PET aluminized film provided by the utility model has the following beneficial effects:

[0053] The utility model provides a flame-retardant, heat-insulating, and puncture-proof PET aluminized film, which increases the waterproofness and hydrophobicity of a main body 1 through a waterproof layer 13, thereby preventing water from being adsorbed on the surface of the main body 1, and at the same time increases the wear resistance of the main body 1 through a wear-resistant layer 14. In conjunction with the waterproof layer 13, the main body 1 can be used to package the outer shell of express delivery, thereby preventing rainwater from eroding the express delivery packaging and also preventing the friction during the express delivery from causing damage to the main body 1.

[0054] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A flame retardant, heat insulating and puncture resistant PET aluminized film, characterized in that: include: A main body (1), wherein the main body (1) is fixedly connected to two rear sides to form a storage cavity (15); a notch (2), the notch (2) being arranged inside the body (1), the body (1) being provided with a connection groove (3), one side of the body (1) being fixedly connected to a connection belt (4), one end of the connection belt (4) being fixedly connected to an adhesive belt (5), and one end of the adhesive belt (5) being fixedly connected to a pull belt (6); The body (1) comprises a drying layer (7), a PET base film (8) is arranged on the top of the drying layer (7), an aluminum-plated layer (9) is arranged on the top of the PET base film (8), a flame-retardant layer (10) is arranged on the top of the aluminum-plated layer (9), and an anti-puncture layer (11) is arranged on the top of the flame-retardant layer (10).

2. The flame-retardant, heat-insulating, and puncture-resistant PET aluminized film according to claim 1, characterized in that: The bottom of the PET base film (8) is fixedly connected to the top of the drying layer (7), and the drying layer (7) is made of silicon dioxide.

3. The flame-retardant, heat-insulating, and puncture-resistant PET aluminized film according to claim 1, characterized in that: The bottom of the flame retardant layer (10) is fixedly connected to the top of the aluminum-plated layer (9), and the top is fixedly connected to the bottom of the puncture-proof layer (11).

4. The flame-retardant, heat-insulating and puncture-resistant PET aluminized film according to claim 3, characterized in that: The flame retardant layer (10) is a halogen-free flame retardant PC film layer, and the puncture-proof layer (11) is a LLDPE film layer.

5. The flame-retardant, heat-insulating and puncture-resistant PET aluminized film according to claim 4, characterized in that: An antistatic layer (12) is arranged on the top of the anti-puncture layer (11), and the antistatic layer (12) is a coating made of polyaniline material.

6. The flame-retardant, heat-insulating, and puncture-resistant PET aluminized film according to claim 1, characterized in that: The surface of the body (1) is provided with a waterproof layer (13), and the waterproof layer (13) is a water-based polyurethane waterproof coating.

7. The flame-retardant, heat-insulating, and puncture-resistant PET aluminized film according to claim 6, characterized in that: A wear-resistant layer (14) is arranged on the top of the waterproof layer (13), and the wear-resistant layer (14) is made of polyurethane resin material.

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