CN216579618U

CN216579618U - Waterproof corrugated board

Info

Publication number: CN216579618U
Application number: CN202122406040.4U
Authority: CN
Inventors: 李春明
Original assignee: Qingdao Junkai Paper Products Co ltd
Current assignee: Qingdao Junkai Paper Products Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-05-24
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of corrugated boards, and discloses a waterproof corrugated board, which solves the problems that the existing corrugated board has poor waterproof performance and is easy to damage and reduce the service life, and comprises a base layer, wherein the upper end of the base layer is connected with an upper honeycomb layer, the upper end of the upper honeycomb layer is connected with an upper corrugated paper core layer, and the upper end of the upper corrugated paper core layer is connected with an upper board layer; this novel still possess shockproof, anti-collision force strong advantage when having water proof dampproofing, improved the structural strength of cardboard, increased its resistance to compression bending performance.

Description

Waterproof corrugated board

Technical Field

The utility model belongs to the technical field of corrugated boards, and particularly relates to a waterproof corrugated board.

Background

The corrugated board is mainly used as paper box or paper box for storing articles or materials, and is a multi-layer adhesive body, mainly comprising corrugated paper core bodies sandwiched between parallel paper boards.

Traditional corrugated container board does not possess dampproofing and waterproofing performance, receives the rainwater in the corrugated container case use that corrugated container board made, or wets when placing, easily leads to the rotten damage of corrugated container case, and life reduces.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the waterproof corrugated board, which effectively solves the problems that the existing corrugated board is poor in waterproof performance and easy to damage and the service life is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: a waterproof corrugated board comprises a base layer, wherein an upper honeycomb layer is connected to the upper end of the base layer, an upper corrugated paper core layer is connected to the upper end of the upper honeycomb layer, an upper board layer is connected to the upper end of the upper corrugated paper core layer, an upper protective layer is connected to the upper end of the upper board layer, a lower honeycomb layer is connected to the lower end of the base layer, a lower corrugated paper core layer is connected to the lower end of the lower honeycomb layer, a lower board layer is connected to the lower end of the lower corrugated paper core layer, and a lower protective layer is connected to the lower end of the lower board layer;

the base layer comprises a first waterproof layer, and base layer paper is connected to the upper end and the lower end of the first waterproof layer;

the upper surface plate layer and the lower surface plate layer both comprise inner layer paper, the upper end of the inner layer paper is connected with a second waterproof layer, and the upper end of the second waterproof layer is connected with outer layer paper.

Preferably, the first waterproof layer is a polyethylene film.

Preferably, the second waterproof layer is acrylic waterproof paint.

Preferably, a first cavity is formed between the upper end face and the lower end face of the upper corrugated paper core layer and the upper board layer and between the upper corrugated paper core layer and the lower end face of the lower corrugated paper core layer and a second cavity is formed between the lower honeycomb layer and the lower board layer.

Preferably, pearl wool is filled in the first cavity and the second cavity.

Preferably, the upper protective layer and the lower protective layer are both PET films.

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

(1) according to the utility model, the first waterproof layer formed by the polyethylene film is waterproof, the structural toughness of the base layer is increased, the base layer is not easy to damage, the second waterproof layer formed by the acrylic waterproof coating has better waterproof performance, and water is used as a dispersion medium, so that the waterproof performance of the paperboard is good, the paperboard is not easy to decay, and the service life is prolonged;

(2) this is novel through last honeycomb layer and honeycomb layer structure down, with last corrugated paper sandwich layer and lower corrugated paper sandwich layer structure to and the cotton structure of pearl of inside packing, make the cardboard have higher intensity, and the pearl cotton still possesses shockproof, anti strong advantage of hitting power when having water proof damp-proofing, has improved the structural strength of cardboard, has increased its resistance to compression bending performance.

Drawings

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

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 2 according to the present invention;

FIG. 3 is a schematic view of the structure of the base layer of the present invention;

FIG. 4 is a schematic structural view of an upper ply of the present invention;

in the figure: 1. a base layer; 101. a first waterproof layer; 102. base layer paper; 2. an upper honeycomb layer; 3. an upper corrugated paper core layer; 4. an upper panel layer; 401. inner layer paper; 402. a second waterproof layer; 403. outer layer paper; 5. An upper protective layer; 6. a lower honeycomb layer; 7. a lower corrugated paper core layer; 8. a lower panel layer; 9. a lower protective layer; 10. a first cavity; 11. a second cavity; 12. pearl wool.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the present invention includes a base layer 1, an upper honeycomb layer 2 is connected to an upper end of the base layer 1, an upper corrugated paper core layer 3 is connected to an upper end of the upper honeycomb layer 2, an upper board layer 4 is connected to an upper end of the upper corrugated paper core layer 3, an upper protective layer 5 is connected to an upper end of the upper board layer 4, a lower honeycomb layer 6 is connected to a lower end of the base layer 1, a lower corrugated paper core layer 7 is connected to a lower end of the lower honeycomb layer 6, a lower board layer 8 is connected to a lower end of the lower corrugated paper core layer 7, and a lower protective layer 9 is connected to a lower end of the lower board layer 8;

the base layer 1 comprises a first waterproof layer 101, the upper end and the lower end of the first waterproof layer 101 are both connected with base layer paper 102, and the first waterproof layer 101 is a polyethylene film;

above-mentioned sheet layer 4 and lower sheet layer 8 all include inlayer paper 401, and inlayer paper 401 upper end is connected with second waterproof layer 402, and second waterproof layer 402 upper end is connected with outer paper 403, and second waterproof layer 402 is acrylic acid water proof coating, not only has better waterproof performance, and it uses water as dispersion medium, and is nontoxic, tasteless, non-staining environment, green.

Embodiment two, on the basis of embodiment one, all constitute first appearance chamber 10 between last corrugated paper sandwich layer 3 up and down terminal surface and last sheet layer 4 and the last honeycomb layer 2, all constitute second appearance chamber 11 between lower corrugated paper sandwich layer 7 up and down terminal surface and lower honeycomb layer 6 and the lower sheet layer 8, first appearance chamber 10 and second appearance chamber 11 are inside all to be filled with pearl cotton 12, still possess shockproof, the crashworthiness is strong when having water proof damp-proofing advantage, the structural strength of device has been improved, its resistance to compression bending performance has been increased.

In the third embodiment, on the basis of the first embodiment, the upper protection layer 5 and the lower protection layer 9 are both PET films, so that the PET film has waterproof performance, good abrasion resistance and is not easy to pierce.

The working principle is as follows: the waterproof structure comprises a base layer 1, a first waterproof layer 101 structure arranged in the base layer 1 and two second waterproof layer 402 structures arranged in an upper plate layer 4 and a lower plate layer 8, wherein the first waterproof layer 101 is a polyethylene film, the two second waterproof layers 402 are acrylic waterproof coatings, the first waterproof layer 101 formed by the polyethylene film increases the structural toughness of the base layer 1 while being waterproof, and is not easy to damage, the second waterproof layer 402 formed by the acrylic waterproof coatings not only has better waterproof performance, but also takes water as a dispersion medium, is nontoxic and odorless, does not pollute the environment, and is green and environment-friendly; in addition, through upper honeycomb layer 2 and lower honeycomb layer 6 structure, with last corrugated paper sandwich layer 3 and lower corrugated paper sandwich layer 7 structure to and the cotton 12 structures of pearl of inside packing for the cardboard has higher intensity, and the cotton 12 of pearl still possesses shockproof, anti-collision force strong advantage when having water proof damp-proofing, has improved the structural strength of cardboard, has increased its resistance to compression bending performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A waterproof corrugated cardboard comprising a base layer (1), characterized in that: the upper end of the base layer (1) is connected with an upper honeycomb layer (2), the upper end of the upper honeycomb layer (2) is connected with an upper corrugated paper core layer (3), the upper end of the upper corrugated paper core layer (3) is connected with an upper board layer (4), the upper end of the upper board layer (4) is connected with an upper protective layer (5), the lower end of the base layer (1) is connected with a lower honeycomb layer (6), the lower end of the lower honeycomb layer (6) is connected with a lower corrugated paper core layer (7), the lower end of the lower corrugated paper core layer (7) is connected with a lower board layer (8), and the lower end of the lower board layer (8) is connected with a lower protective layer (9);

the base layer (1) comprises a first waterproof layer (101), and base layer paper (102) is connected to the upper end and the lower end of the first waterproof layer (101);

the upper board layer (4) and the lower board layer (8) both comprise inner paper (401), the upper end of the inner paper (401) is connected with a second waterproof layer (402), and the upper end of the second waterproof layer (402) is connected with outer paper (403).

2. A waterproof corrugated cardboard according to claim 1 wherein: the first waterproof layer (101) is a polyethylene film.

3. A waterproof corrugated cardboard according to claim 1 wherein: the second waterproof layer (402) is acrylic waterproof paint.

4. A waterproof corrugated cardboard according to claim 1 wherein: and a first containing cavity (10) is formed between the upper end surface and the lower end surface of the upper corrugated paper core layer (3) and the upper board layer (4) and the upper honeycomb layer (2), and a second containing cavity (11) is formed between the upper end surface and the lower end surface of the lower corrugated paper core layer (7) and the lower honeycomb layer (6) and the lower board layer (8).

5. The waterproof corrugated cardboard of claim 4, wherein: the first containing cavity (10) and the second containing cavity (11) are filled with pearl wool (12).

6. A waterproof corrugated cardboard according to claim 1 wherein: the upper protective layer (5) and the lower protective layer (9) are both PET films.