CN215243496U

CN215243496U - Environment-friendly composite packaging paperboard

Info

Publication number: CN215243496U
Application number: CN202120283175.3U
Authority: CN
Inventors: 李亚东
Original assignee: Dalian University of Technology
Current assignee: Dalian University of Technology
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-21
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses an environmental protection composite packaging cardboard, including waterproof layer, anticollision layer, heat preservation and antibiotic layer, the cardboard layer that the anticollision layer was made for the corrugated paper, the outside and the inboard on anticollision layer are equipped with first glass fiber layer and second glass fiber layer respectively, the waterproof layer is pasted in the first glass fiber layer outside, the heat preservation is pasted in second glass fiber layer inboard, antibiotic layer is pasted in the heat preservation inboard, the waterproof layer is the water proof membrane. The utility model solves the problems of poor anti-collision effect of the traditional packaging paper board, soft heat-insulating material, difficult molding and difficult deformation under pressing; and poor antibacterial effect, poor waterproof ability and the like.

Description

Environment-friendly composite packaging paperboard

Technical Field

The utility model relates to a packing cardboard technical field especially relates to an environmental protection composite packaging cardboard.

Background

Packaging board is a generic term for board for packaging. Including white board, yellow board, kraft board, corrugated board, etc. Generally, it is required to have strong folding resistance and good bendability. The packaging paper board in the prior art has poor heat insulation performance and buffering capacity, and fragile products and fresh vegetables inside the packaging paper board cannot be well protected, so that the packaging paper board is easy to damage and deteriorate. And the waterproof capability and the antibacterial effect are not very good, and when the food is packaged, the food is easily infected by bacteria on the packaging paper, so that the food is rapidly deteriorated.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide an environmental protection composite packaging cardboard, solved current packaging cardboard crashproof ability poor, the heat preservation effect is not good, antibiotic effect is poor and the weak problem of waterproof ability.

According to the utility model provides a pair of environmental protection composite packaging cardboard, including waterproof layer, anticollision layer, heat preservation and antibiotic layer, the cardboard layer that the anticollision layer was made for the corrugated paper, the outside and the inboard on anticollision layer are equipped with first glass fiber layer and second glass fiber layer respectively, the waterproof layer is pasted in the first glass fiber layer outside, the heat preservation is pasted in second glass fiber layer inboard, antibiotic layer is pasted in the heat preservation inboard, the waterproof layer is the water proof membrane.

In some embodiments of the present invention, the anti-collision layer comprises a cardboard folded into a wave shape in the middle and two sides of the wave shape, the thickness of the wave shape cardboard is 5-8mm, the thickness of the cardboard is 2-3mm, the protruding positions of the two sides of the wave shape cardboard are coated with glue, and the cardboard is adhered to the two sides of the wave shape cardboard.

In other embodiments of the present invention, the first glass fiber layer and the second glass fiber layer are both made of glass fiber with an appropriate amount of glue added and hot pressed into a plate shape, and the thickness of the first glass fiber layer and the thickness of the second glass fiber layer are both 2-4 mm.

In other embodiments of the present invention, the heat preservation layer includes a frame structure and a filling sponge, the frame structure includes a bottom plate and a cover plate, a plurality of support columns distributed in an array are disposed on the bottom plate, the filling sponge is filled between the gaps of the support columns, the cover plate covers the support columns, the support columns and the bottom plate are integrally formed, and the support columns and the cover plate are bonded by glue.

In other embodiments of the present invention, the antibacterial layer is a graphene oxide layer with a thickness of 1-3mm, and the graphene oxide layer is bonded to the heat insulating layer by glue.

In other embodiments of the present invention, the antibacterial layer is coated with a layer of waterproof paint, and the thickness of the waterproof paint is 0.3-0.5 mm.

In the utility model, a layer of waterproof film is pasted on the outer side of the packaging paperboard to improve the waterproof capability, and a layer of glass fiber layer is arranged on both sides of the paperboard layer made of corrugated paper, so that the strength and toughness of the packaging paperboard are improved, the packaging paperboard has buffering capability according to the corrugated paper characteristic, and the problem of poor anti-collision effect of the traditional packaging paperboard is solved; because the heat-insulating material is soft and is not easy to form, the heat-insulating sponge is fixed by the frame, so that the heat-insulating sponge not only has the heat-insulating effect, but also is not easy to deform under pressing; and the antibacterial effect of the graphene oxide is utilized, so that the antibacterial property of the inner side of the packaging paperboard is increased.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the environment-friendly composite packaging paperboard of the present invention.

Fig. 2 is the utility model provides a structural schematic diagram of anticollision layer.

Fig. 3 is the utility model provides a structural schematic diagram of heat preservation.

In the figure: 1. a waterproof layer; 2. a first fiberglass layer; 3. an anti-collision layer; 31. a corrugated paperboard; 32. cardboard; 4. a second fiberglass layer; 5. a heat-insulating layer; 51. a base plate; 511. a support pillar; 52. a cover plate; 53. filling sponge; 6. and (4) an antibacterial layer.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, an environmental protection composite packaging cardboard, including waterproof layer 1, anticollision layer 3, heat preservation 5 and antibiotic layer 6, anticollision layer 3 is the cardboard layer that the corrugated paper made, the outside and the inboard of anticollision layer 3 are equipped with first glass fiber layer 2 and second glass fiber layer 4 respectively, waterproof layer 1 pastes in the 2 outsides of first glass fiber layer, heat preservation 5 pastes in 4 inboards of second glass fiber layer, antibiotic layer 6 pastes in 5 inboards of heat preservation, waterproof layer 1 is the water proof membrane.

Firstly, preparing a corrugated board, then respectively hot-pressing a first glass fiber layer 2 and a second glass fiber layer 4 on two sides of the corrugated board by glue, then pasting a waterproof layer 1 (waterproof film) on the first glass fiber layer 2, then pasting a prepared heat-insulating layer 5 on the inner side of the second glass fiber layer 4, and finally hot-pressing and pasting an antibacterial layer 6 on the heat-insulating layer 5.

The anti-collision layer 3 comprises a paper board 31 folded into a wave shape in the middle and hard boards 32 on two sides of the paper board 31, the thickness of the paper board 31 is 5-8mm, the thickness of the hard board 32 is 2-3mm, protruding positions on two sides of the paper board 31 are coated with glue, and the hard boards 32 are adhered to two sides of the paper board 31.

In order to improve the impact resistance and stability of the impact layer 3, the middle layer is folded into corrugated cardboard 31, which is stabilized by cardboard 32 and which provides cushioning when impacted.

The first glass fiber layer 2 and the second glass fiber layer 4 are both made into a plate shape by adding a proper amount of glue water into glass fibers and hot-pressing, and the thickness of the first glass fiber layer 2 and the thickness of the second glass fiber layer 4 are both 2-4 mm.

The glass fiber has the impact resistance and the fracture resistance, and the through hole phenomenon caused by the impact of sharp objects on the paperboard is improved. The strength and the toughness of the paperboard are improved.

The heat preservation layer 5 comprises a frame structure and filling sponges 53, the frame structure comprises a bottom plate 51 and a cover plate 52, a plurality of support columns 511 distributed in an array mode are arranged on the bottom plate 51, the filling sponges 53 are filled in gaps among the support columns 511, the cover plate 52 covers the support columns 511, the support columns 511 and the bottom plate 51 are integrally formed, and the support columns 511 and the cover plate 52 are bonded through glue.

Because the heat insulation material is sponge, which is relatively soft, the heat insulation material needs to be fixed, so that the heat insulation material is stable and not easy to deform, and therefore, the frame plays an important role. The supporting column 511 has the effect of making the whole frame undeformed and filling the insulating sponge 53.

The antibacterial layer 6 is a graphene oxide layer with the thickness of 1-3mm, and the graphene oxide layer is bonded on the heat preservation layer 5 through glue. The inner side of the antibacterial layer 6 is brushed with a layer of waterproof paint, and the thickness of the waterproof paint is 0.3-0.5 mm. The waterproof paint is coated to prevent the packaged goods from flowing onto the packaging belt, so that the packaged goods become soft and crack, and the antibacterial layer 6 can be protected.

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

1. An environment-friendly composite packaging paperboard is characterized in that: including waterproof layer (1), anticollision layer (3), heat preservation (5) and antibiotic layer (6), the cardboard layer that anticollision layer (3) were made for the corrugated paper, the outside and the inboard of anticollision layer (3) are equipped with first glass fiber layer (2) and second glass fiber layer (4) respectively, waterproof layer (1) is pasted in first glass fiber layer (2) outside, heat preservation (5) are pasted in second glass fiber layer (4) inboard, antibiotic layer (6) are pasted in heat preservation (5) inboard, waterproof layer (1) is the water proof membrane.

2. An environmentally friendly composite packaging board as claimed in claim 1, wherein: the anti-collision layer (3) comprises a corrugated paperboard (31) folded in the middle and hardboards (32) arranged on two sides of the corrugated paperboard, the thickness of the corrugated paperboard (31) is 5-8mm, the thickness of the hardboards (32) is 2-3mm, glue is coated on protruding positions on two sides of the corrugated paperboard (31), and the hardboards (32) are adhered to two sides of the corrugated paperboard (31).

3. An environmentally friendly composite packaging board as claimed in claim 1, wherein: the first glass fiber layer (2) and the second glass fiber layer (4) are both made into a plate shape by adding a proper amount of glue water into glass fibers and hot-pressing, and the thickness of the first glass fiber layer (2) and the thickness of the second glass fiber layer (4) are both 2-4 mm.

4. An environmentally friendly composite packaging board as claimed in claim 1, wherein: the heat preservation layer (5) comprises a frame structure and filling sponges (53), the frame structure comprises a bottom plate (51) and a cover plate (52), a plurality of support columns (511) distributed in an array mode are arranged on the bottom plate (51), the filling sponges (53) are filled in gaps of the support columns (511), the cover plate (52) covers the support columns (511), the support columns (511) and the bottom plate (51) are integrally formed, and the support columns (511) and the cover plate (52) are bonded through glue.

5. An environmentally friendly composite packaging board as claimed in claim 1, wherein: the antibacterial layer (6) is a graphene oxide layer with the thickness of 1-3mm, and the graphene oxide layer is bonded on the heat preservation layer (5) through glue.

6. An environmentally friendly composite packaging board as claimed in claim 1, wherein: the inner side of the antibacterial layer (6) is brushed with a layer of waterproof paint, and the thickness of the waterproof paint is 0.3-0.5 mm.