CN212636824U - Novel heat-seal easy-to-tear type blister packaging material - Google Patents

Abstract

The utility model discloses a novel heat-sealing easy-to-take-off blister packaging material, which relates to the field of packaging materials and comprises a forming intermediate layer, wherein a first adhesive layer is pasted on the side wall at the lower end of the forming intermediate layer, a separation mechanism is arranged on the side wall at the lower end of the first adhesive layer, a second adhesive layer is arranged on the side wall at the upper end of the forming intermediate layer, a heat-resistant outer layer is arranged on the side wall at the upper end of the second adhesive layer, the separation mechanism comprises a composite layer arranged on the side wall at the lower end of the first adhesive layer, the problem that the heat-sealing layer can not be opened after a traditional multi-layer composite blister material is used for packaging a product is solved, the easy-to-take-off blister packaging shell after the product is packaged, and simultaneously, the heat-sealing performance, the easy-to-form blister material, the heat-resistant performance of, and good heat sealability, thermoformability, surface heat resistance and mechanical comprehensive performance in the forming process are realized.

Description

Novel heat-seal easy-to-tear type blister packaging material

Technical Field

The utility model relates to a packaging material field especially relates to a novel heat-seal is easily taken off type blister packaging material.

Background

The plastic suction molding is one of the main modes of plastic molding, and has the advantages of saving molding materials, light weight, high barrier property and good sealing property, can be used for packaging various special-shaped materials and accords with the environment-friendly packaging performance, is widely applied to various packaging products in industrial production and daily life, and is particularly used for packaging various liquid or paste-shaped materials, such as milk products, foods, cosmetics, medicines (medicines, pesticides) and the like.

However use traditional blister material in the packing of liquid or lotion material, how to satisfy the product use, its packaging shell conveniently tears the use, adopt single easily tearing section bar matter sheet, through edge breach mode, though can realize conveniently tearing, but single material, hardly satisfy most products especially dairy products material, to the separation requirement of the steam of packaging material especially oxygen, and traditional multicomponent composite sheet, though can satisfy the separation requirement of product material to steam and gas, but because the multilayer is compound, each layer sheet matter difference is great, the breach mode is torn, hardly realize the easy tearing nature of every layer material. How to adopt multilayer combined material, satisfy the material to packing material gas and steam separation while, compromise the good hot workability of package material, excellent mechanical properties, printability and the easy type of tearing off of end use package material, have important meaning.

Disclosure of Invention

The utility model aims at solving traditional blister pack shell single layer material and not good to the steam separation effect, the multilayer material dismantles the process difficulty problem to the packing, and the novel heat-seal is easily taken off type blister pack material that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel heat-seal is easily taken off type blister packaging material, includes the shaping intermediate level, the lower extreme lateral wall in shaping intermediate level is pasted and is had first adhesive linkage, the lower extreme lateral wall of first adhesive linkage is provided with separation mechanism, the upper end lateral wall in shaping intermediate level is provided with the second adhesive linkage, the upper end lateral wall of second adhesive linkage is provided with the heat resistance skin.

Preferably, the separation mechanism comprises a composite layer arranged on the side wall of the lower end of the first bonding layer, a third bonding layer is arranged on the side wall of the lower end of the composite layer, a gas barrier layer is arranged on the side wall of the lower end of the fourth bonding layer, a fourth bonding layer is arranged on the side wall of the lower end of the gas barrier layer, and a heat sealing layer is adhered to the side wall of the lower end of the fourth bonding layer.

Preferably, the barrier mechanism is formed by multilayer coextrusion or tape casting, and then is bonded with the forming middle layer through a composite layer and a first bonding layer.

Preferably, the first adhesive layer and the second adhesive layer are made of polyurethane.

Preferably, the heat-resistant outer layer is synthesized by modified polyethylene, polypropylene, polyamide and the like.

Preferably, the thickness of separation mechanism is 15~150um, the thickness in shaping intermediate level is 100~650um, the outer thickness of heat resistance is 15~150um, the thickness of first adhesive linkage and second adhesive linkage is 2~8 mu m.

Preferably, the third and fourth adhesive layers are made of modified polyethylene.

Preferably, the composite layer is made of single component or multiple components such as polyethylene, modified polyethylene, polypropylene, ethylene-vinyl acetate copolymer resin and the like.

Preferably, the barrier layer is made of a single component or a plurality of components of a resin having gas barrier properties such as ethylene-vinyl alcohol copolymer, polyamide, polyester, polyvinylidene chloride, or the like.

Preferably, the surface of the heat seal layer is arranged in a micro-honeycomb or sea-island shape.

Preferably, the molding intermediate layer is made of polystyrene, modified polystyrene, polypropylene, polyester, or the like.

The utility model has the advantages that: the utility model discloses in, behind the compound blister material packing product to traditional multilayer, the problem can't be opened on the heat-seal layer, through the material design, realize the easy nature of taking off on heat-seal layer, solve product packaging back packaging shell and dismantle the problem, simultaneously through the heat-sealability of blister packaging process to the material, processability such as easy shaping and surface course heat-resisting, design through the multilayering of right material structure, realize good heat-sealability among the shaping course of working, the thermoformability, surface heat resistance and mechanical comprehensive properties, simultaneously to the optimization of the separation performance of material, realize gaseous separation nature such as the good steam of packaging material self and oxygen, through carrying out the printing of pattern to shaping intermediate level or surface course, realize the pattern diversity and the exquisite nature of packing product.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an overall schematic diagram of the present invention.

Fig. 3 is an enlarged view of a portion a of the present invention.

Reference numbers in the figures: 1 molding middle layer, 2 heat-resistant outer layers, 3 separation mechanisms, 4 first bonding layers, 5 second bonding layers, 6 composite layers, 7 third bonding layers, 8 gas separation layers, 9 fourth bonding layers and 10 heat sealing layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a novel heat-seal easy-to-tear blister packaging material is shown, which comprises a forming interlayer 1, wherein the forming interlayer 1 is made of polystyrene material and has low static electricity, low density, easy forming, impact resistance, easy coloring and good sanitary performance, a first adhesive layer 4 is adhered to the lower end side wall of the forming interlayer 1, a separation mechanism 3 is arranged on the lower end side wall of the first adhesive layer 4, the separation mechanism 3 comprises a composite layer 6 arranged on the lower end side wall of the first adhesive layer 4, a third adhesive layer 7 is arranged on the lower end side wall of the composite layer 6, a gas barrier layer 8 is arranged on the lower end side wall of the third adhesive layer 7, a fourth adhesive layer 9 is arranged on the lower end side wall of the gas barrier layer 8, a heat-seal layer 10 is adhered to the lower end side wall of the fourth adhesive layer 9, the surface of the heat-seal layer 10 is arranged in a micro-state honeycomb or island-, the film is easy to uncover;

the fourth adhesive layer 9 is made of polyurethane, the heat sealing layer 10 is adhered to the side wall of the lower end of the fourth adhesive layer 9, the heat sealing layer 10 is made of easy-to-tear polyethylene, the gas barrier layer 8 is made of ethylene-vinyl alcohol copolymer (EVOH), and the excellent gas barrier performance of the material is provided while the heat sealing performance and the easy-to-tear performance are met;

the upper end side wall of the forming intermediate layer 1 is provided with a second bonding layer 5, the first bonding layer 4 and the second bonding layer 5 are processed by polyurethane substances, so that the forming intermediate layer has the advantages of high initial adhesion, good heat resistance, steaming resistance, no solvent residue and the like and can be used for compounding food contact packaging materials, the upper end side wall of the second bonding layer 5 is provided with a heat-resistant outer layer 2, the heat-resistant outer layer 2 is synthesized by modified polyethylene, polypropylene, polyamide, polyester and the like, has good heat resistance and printability and better ductility, and has better forming processability in a plastic suction forming process, wherein the thickness of the separation mechanism 3 is 15-150 microns, the thickness of the forming intermediate layer 1 is 100-650 microns, the thickness of the heat-resistant outer layer 2 is 15-150 microns, the thicknesses of the first bonding layer 4 and the second bonding layer 5 are both 2-8 microns, and the heat-seal layer 10, The surfaces of the intermediate layer 1 and the heat-resistant outer layer 2 are both required to be subjected to single-sided or double-sided corona treatment so as to improve the surface tension of the material, realize the composite firmness and further enhance the use effect.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a novel heat-seal is easily taken off type blister packaging material, includes shaping intermediate level (1), its characterized in that, the lower extreme lateral wall of shaping intermediate level (1) is pasted and is had first adhesive linkage (4), the lower extreme lateral wall of first adhesive linkage (4) is provided with separation mechanism (3), the upper end lateral wall of shaping intermediate level (1) is provided with second adhesive linkage (5), the upper end lateral wall of second adhesive linkage (5) is provided with heat resistance skin (2).

2. The novel heat-seal easy-to-tear blister packaging material as claimed in claim 1, wherein the blocking mechanism (3) comprises a composite layer (6) disposed on the lower end side wall of the first adhesive layer (4), a third adhesive layer (7) is mounted on the lower end side wall of the composite layer (6), a lower end side wall gas barrier layer (8) of the third adhesive layer (7), a lower end side wall of the gas barrier layer (8) is provided with a fourth adhesive layer (9), and a heat seal layer (10) is adhered on the lower end side wall of the fourth adhesive layer (9).

3. The novel heat-seal easy-to-tear-off blister packaging material as claimed in claim 1, wherein the thickness of the blocking mechanism is 15-150 um, the thickness of the forming intermediate layer (1) is 100-650 um, the thickness of the heat-resistant outer layer (2) is 15-150 um, and the thicknesses of the first adhesive layer (4) and the second adhesive layer (5) are both 2-8 μm.

4. A new kind of heat-seal easy-to-tear type plastic uptake packing materials of claim 2, characterized by, the said separation mechanism (3) is formed by way of multi-layer coextrusion or tape casting, then adhere to the forming intermediate layer (1) through composite bed (6) and first adhesive linkage (4).

5. A new type of heat-seal peelable blister packaging material according to claim 2, wherein the surface of the heat-seal layer (10) is microscopically arranged in a honeycomb, sea-island pattern.

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