CN219215973U

CN219215973U - High-capacity high-barrier multilayer co-extrusion liquid packaging bag

Info

Publication number: CN219215973U
Application number: CN202222805026.6U
Authority: CN
Inventors: 李求恩; 龙润洲
Original assignee: Zhejiang Baolu Packaging Technology Co ltd
Current assignee: Zhejiang Baolu Packaging Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-20
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a high-capacity high-barrier multilayer co-extrusion liquid packaging bag which comprises a packaging bag body, a PVC leather sheath and a filling nozzle, wherein the PVC leather sheath is adhered to one side end part of the packaging bag body, air holes are distributed in the outer surface layer of the PVC leather sheath, one end of the packaging bag body is connected with a handle in a hot melt mode, the packaging bag body is formed by co-extrusion compounding of a puncture-resistant layer, a PE material base layer and a stabilizing layer, the outer surface layer of the PE material base layer is provided with the puncture-resistant layer, and the inner surface layer of the PE material base layer is provided with the stabilizing layer. The novel multilayer co-extrusion liquid packaging bag has large capacity, can realize high barrier, and is suitable for wide popularization and use.

Description

High-capacity high-barrier multilayer co-extrusion liquid packaging bag

Technical Field

The utility model relates to the technical field of packaging bags, in particular to a high-capacity high-barrier multilayer co-extrusion liquid packaging bag.

Background

The packaging bag is used for packaging various articles, so that the articles are convenient to transport in the production and circulation process, easy to store, widely used in daily life and industrial production, and practical digital display shows that 80% of used plastic bags are finally transported to a garbage stack area for treatment as common garbage, only seven percent of plastic is recycled, and the liquid packaging bag is a bag special for packaging liquid, and liquid raw materials need to be filled by the liquid packaging bag in chemical production.

The multi-layer co-extrusion blow molding is to select more than two extruders, to melt and plasticize the same kind or different kinds of plastic in different extruders, to compound, extrude and form multi-layer concentric compound type container in a machine head, and to blow molding to manufacture hollow container, wherein the liquid package bag required in chemical production is produced in multi-layer co-extrusion mode.

The existing multilayer co-extrusion liquid packaging bag has the following defects: the multilayer co-extrusion liquid packaging bag has small capacity and cannot realize high barrier. Therefore, we propose a high-capacity high-barrier multilayer co-extrusion liquid packaging bag.

Disclosure of Invention

The utility model mainly aims to provide a high-capacity high-barrier multilayer co-extrusion liquid packaging bag which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a high-capacity high separation multilayer is crowded liquid packaging bag altogether, includes the wrapping bag body, PVC leather sheath and filling mouth, the bleeder vent has been laid to the outer layer of one side tip bonding of the wrapping bag body and PVC leather sheath, the one end hot melt of the wrapping bag body is connected with the handle, the wrapping bag body is formed by puncture-resistant layer, PE material basic unit and stable layer coextrusion complex, the outer layer of PE material basic unit is provided with puncture-resistant layer, the inner surface layer of PE material basic unit is provided with the stable layer.

Further, the end corner of the packaging bag body is connected with a filling nozzle in a hot melting mode, a sealing cover is sleeved on the filling nozzle, the filling nozzle is used for conveniently filling chemical production liquid raw materials, and the sealing cover is used for fast sealing.

Further, an opening is formed in one end of the PVC leather sheath.

Further, the fluorescent strips are adhered to two sides of the end part of the packaging bag body, the anti-puncture layer is made of POE materials, the tensile strength of the packaging bag body is improved, the anti-puncture effect is remarkable, the stabilizing layer is made of TPU materials, the inner surface layer of the packaging bag body is resistant to acid and alkali corrosion, wind and damage, and the packaging bag is durable.

Further, the puncture-proof layer is made of POE material, and the stabilizing layer is made of TPU material.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the high-capacity high-barrier multilayer co-extrusion liquid packaging bag, the filling mouth is utilized to facilitate filling of liquid raw materials in chemical production, the sealing cover is utilized to rapidly seal, the active carbon package drier is placed into the PVC leather sheath, the functions of absorbing peculiar smell and dehumidifying are achieved through the ventilation holes, and the storage environment is improved.

2. The high-capacity high-barrier multilayer co-extrusion liquid packaging bag is convenient to carry the packaging bag body by utilizing the handle, the puncture-resistant layer is made of POE material, the tensile strength of the packaging bag body is improved, the puncture-resistant effect is obvious, the stabilizing layer is made of TPU material, the surface layer in the packaging bag body is resistant to acid and alkali corrosion, wind and damage, the packaging bag is not easy to damage and durable, the packaging bag body is formed by co-extrusion compounding of the puncture-resistant layer, the PE material base layer and the stabilizing layer, the overall stability is good, the barrier is high, the liquid storage capacity is large, the practicability is good, and the service life is effectively prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-capacity high-barrier multilayer co-extrusion liquid packaging bag according to the present utility model.

FIG. 2 is a cross-sectional view of a material of a high-capacity high-barrier multilayer co-extruded liquid packaging bag according to the present utility model.

In the figure: 1. PVC leather sheath; 2. opening a mouth; 3. a packaging bag body; 4. a fluorescent strip; 5. a filling nozzle; 6. sealing cover; 7. a handle; 8. a puncture resistant layer; 9. a PE material base layer; 10. a stabilization layer; 11. and (5) ventilation holes.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in figures 1-2, the high-capacity high-barrier multilayer co-extrusion liquid packaging bag comprises a packaging bag body 3, a PVC leather sheath 1 and a filling nozzle 5, wherein one side end part of the packaging bag body 3 is adhered with the PVC leather sheath 1, an air vent 11 is arranged on the outer surface layer of the PVC leather sheath 1, one end of the packaging bag body 3 is connected with a handle 7 in a hot melting manner, the packaging bag body 3 is formed by co-extrusion compounding of a puncture-resistant layer 8, a PE material base layer 9 and a stabilizing layer 10, the outer surface layer of the PE material base layer 9 is provided with the puncture-resistant layer 8, and the inner surface layer of the PE material base layer 9 is provided with the stabilizing layer 10.

The hot melt packaging bag is characterized in that a filling nozzle 5 is connected to the corner of the end part of the packaging bag body 3 in a hot melt mode, and a sealing cover 6 is sleeved on the filling nozzle 5.

In this embodiment, as shown in fig. 1, the filling nozzle 5 is used to facilitate filling of the chemical production liquid raw material, and the sealing cover 6 is used to seal rapidly.

Wherein, one end of the PVC leather sheath 1 is provided with an opening 2.

Wherein, the two sides of the end part of the packaging bag body 3 are adhered with fluorescent strips 4.

In this embodiment, as shown in fig. 1, the package 3 is easily found at night.

Wherein, puncture-proof layer 8 is made of POE material, and stabilizing layer 10 is made of TPU material.

In this embodiment, as shown in fig. 2, the puncture-proof layer 8 is made of POE material, so as to improve the tensile strength of the packaging bag body 3, and the puncture-proof effect is remarkable, and the stabilizing layer 10 is made of TPU material, so that the inner surface layer of the packaging bag body 3 is resistant to acid and alkali corrosion, resistant to wind, not easy to damage, and durable.

The high-capacity high-barrier multilayer co-extrusion liquid packaging bag is characterized in that a filling nozzle 5 is utilized to fill chemical production liquid raw materials conveniently, a sealing cover 6 is utilized to seal rapidly, an active carbon package drying agent is placed into a PVC leather sheath 1, the functions of absorbing peculiar smell and dehumidifying are achieved through an air vent 11, the storage environment is improved, a handle 7 is utilized to carry a packaging bag body 3 conveniently, a puncture-resistant layer 8 is made of POE materials, the tensile strength of the packaging bag body 3 is improved, the puncture-resistant effect is remarkable, a stabilizing layer 10 is made of TPU materials, the inner surface layer of the packaging bag body 3 is resistant to acid and alkali corrosion, resistant to wind and is not easy to damage, the packaging bag body 3 is formed by co-extrusion compounding of the puncture-resistant layer 8, a PE material base layer 9 and the stabilizing layer 10, the overall stability is good, the high barrier performance is high, the liquid storage capacity is not easy to fall off, the practicability is good, and the service life is prolonged effectively.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-capacity high separation multilayer crowded liquid packaging bag altogether, includes the wrapping bag body (3), PVC leather sheath (1) and filling mouth (5), its characterized in that: one side tip of the wrapping bag body (3) bonds and has PVC leather sheath (1) and the extexine of PVC leather sheath (1) has laid bleeder vent (11), the one end hot melt of the wrapping bag body (3) is connected with handle (7), the wrapping bag body (3) is formed by anti-piercing layer (8), PE material basic unit (9) and stabilizer (10) coextrusion complex, the extexine of PE material basic unit (9) is provided with anti-piercing layer (8), the inlayer of PE material basic unit (9) is provided with stabilizer (10).

2. The high capacity, high barrier, multi-layer co-extruded liquid packaging bag of claim 1, wherein: the hot melt at the corner of the end part of the packaging bag body (3) is connected with a filling nozzle (5), and the filling nozzle (5) is sleeved with a sealing cover (6).

3. The high capacity, high barrier, multi-layer co-extruded liquid packaging bag of claim 1, wherein: one end of the PVC leather sheath (1) is provided with an opening (2).

4. The high capacity, high barrier, multi-layer co-extruded liquid packaging bag of claim 1, wherein: fluorescent strips (4) are adhered to two sides of the end part of the packaging bag body (3).

5. The high capacity, high barrier, multi-layer co-extruded liquid packaging bag of claim 1, wherein: the puncture-resistant layer (8) is made of POE material, and the stabilizing layer (10) is made of TPU material.