CN216268047U

CN216268047U - High-strength tear-resistant kraft board

Info

Publication number: CN216268047U
Application number: CN202122324727.3U
Authority: CN
Inventors: 付子明; 潘祖林; 高子强
Original assignee: Haining Yuexiang Packing Co ltd
Current assignee: Haining Yuexiang Packing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-12
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a high-strength tear-resistant kraft board, which comprises core paper arranged in a wave shape, wherein the outer side of the core paper is compounded with surface paper, the core part of the surface paper is compounded with a non-woven fabric layer, and the inner side and the outer side of the non-woven fabric layer are compounded with at least one waterproof paper layer. The high-strength tear-resistant kraft paper board is provided with the waterproof paper layer, and the strength, particularly the tear strength, of the paper board can be obviously improved by matching with the non-woven fabric layer; the filling material is arranged to increase the strength and the bearing capacity of the core paper, the non-woven fabric layer arranged in the surface paper can also prevent the core paper from being damaged when being pressed, the integrity of the whole paperboard is ensured, and the supporting performance of the filling material can be fully exerted; the through groove is arranged, so that the non-woven fabric layer can be directly exposed, moisture can be absorbed in fibers in the non-woven fabric layer conveniently, the moisture is transferred in the fibers of the non-woven fabric layer, evaporation is easier, and the core paper can be prevented from being damp and mildewed and the strength is prevented from being influenced.

Description

High-strength tear-resistant kraft board

Technical Field

The utility model relates to the technical field of paperboards, in particular to a high-strength tear-resistant kraft paperboard.

Background

Corrugated board is a multi-layer adhesive body, which is composed of at least one layer of wavy core paper interlayer (commonly called as "hole paper", "corrugated core paper", "corrugated paper core", "corrugated base paper") and one layer of paper board (also called as "box board paper" or "box paper board"). It has high mechanical strength and can resist collision and falling in the process of transportation.

At present, kraft paper is compounded on the surface of a paperboard to play a waterproof role, but a paper core in the paperboard is easily damaged and mildewed due to the influence of water vapor; although the relative strength of the kraft paper itself is due to the general surface paper, the internal core strength is limited and the overall tear resistance needs to be improved in view of the properties of the overall paperboard.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, one object of the utility model is to provide a high-strength tear-resistant kraft paper board which is integrally of a three-layer composite structure, a non-woven fabric interlayer is arranged in the surface paper, the strength can be greatly improved, a certain moisture-proof effect can be achieved by matching with the moisture absorption effect of the non-woven fabric, and the support performance of the paper board can be further improved by arranging a filler.

The technical scheme of the utility model is as follows:

the utility model provides a tear-resistant kraft board of high strength, is including being the medium paper that the wave was arranged the outside complex of medium paper has the facial tissue, the core complex of facial tissue has the non-woven fabrics layer, the inboard and outboard complex of non-woven fabrics layer has the waterproof paper layer of no less than the one deck.

Furthermore, a waterproof paper layer is respectively compounded on the inner side and the outer side of the non-woven fabric layer.

Further, the waterproof paper layer is commercially available kraft paper.

Further, filling materials are arranged at the pores of the core paper.

Further, the corrugation height of the core paper is 2.5-5.0 mm.

Further, the filling material is selected from block-shaped cutting waste materials of the honeycomb paperboard.

Furthermore, a plurality of through grooves for communicating the non-woven fabric layer are formed in the waterproof paper layer of the facial tissue.

The utility model has the following beneficial effects: the waterproof paper layer is arranged, and the strength, particularly the tear strength, of the paperboard can be obviously improved by matching with the non-woven fabric layer; the filling material is arranged to increase the strength and the bearing capacity of the core paper, the non-woven fabric layer arranged in the surface paper can also prevent the core paper from being damaged when being pressed, the integrity of the whole paperboard is ensured, and the supporting performance of the filling material can be fully exerted; the through groove is arranged, so that the non-woven fabric layer can be directly exposed, moisture can be absorbed in fibers in the non-woven fabric layer conveniently, the moisture is transferred in the fibers of the non-woven fabric layer, evaporation is easier, and the core paper can be prevented from being damp and mildewed and the strength is prevented from being influenced.

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 a high strength tear resistant kraft board according to the present invention;

fig. 2 is a schematic structural view of the corrugated board facestock of fig. 1.

In the figure:

1-core paper; 2-waterproof paper layer; 3-a non-woven fabric layer; 4-a filler; 5-through groove.

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.

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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

Referring to fig. 1, the high-strength tear-resistant kraft board comprises core paper 1 arranged in a wave shape, surface paper is compounded on the outer side of the core paper 1, a non-woven fabric layer 3 is compounded on the core of the surface paper, and at least one waterproof paper layer 2 is compounded on the inner side and the outer side of the non-woven fabric layer 3.

In particular, the method comprises the following steps of,

in this embodiment, the inner side and the outer side of the nonwoven fabric layer 3 are respectively compounded with a waterproof paper layer 2, the waterproof paper layer 2 is made of commercially available kraft paper, and has excellent waterproofness and folding resistance, and the strength, especially the tear strength, of the paperboard can be remarkably improved by matching with the nonwoven fabric layer 3.

The hole of the core paper 1 is also provided with a filling material 4 to increase the strength and the bearing capacity of the core paper 1, the non-woven fabric layer 3 arranged in the surface paper can also prevent the core paper from being damaged when being pressed, the integrity of the whole paperboard is ensured, the supporting performance of the filling material 4 can be fully exerted, and meanwhile, the peripheral side of the paperboard can be plugged by the composite kraft paper to prevent the filling material 4 from leaking.

The corrugated height of the core paper 1 is 2.5-5.0mm, namely, an A-C corrugated shape can be selected, the cushion performance is good, the filling material 5 can be placed and filled conveniently, the filling material 5 is made of blocky cutting waste of honeycomb paper boards, resources can be fully utilized, and the environment-friendly effect is achieved.

Referring to fig. 2, in order to increase the moisture resistance, the waterproof paper layer of the facial tissue is provided with a plurality of through grooves 5 for communicating the non-woven fabric layer 3, and the through grooves 3 are arranged to directly expose the non-woven fabric layer 3, so that moisture can be absorbed in the fibers of the non-woven fabric layer 3 and transferred in the fibers of the non-woven fabric layer 3, evaporation is easier, and the core paper can be prevented from being damp and mildewed and the strength is prevented from being affected.

In the present application, the structures and the connection relations that are not described in detail are all the prior art, and the structures and the principles thereof are known in the prior art and are not described herein again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a tear-resistant kraft paper board of high strength, is including being the core paper of wave arrangement the outside complex of core paper has facial tissue, its characterized in that: the core of the facial tissue is compounded with a non-woven fabric layer, and at least one waterproof paper layer is compounded on the inner side and the outer side of the non-woven fabric layer.

2. The high strength, tear resistant kraft liner board of claim 1, wherein: and a waterproof paper layer is respectively compounded on the inner side and the outer side of the non-woven fabric layer.

3. The high strength, tear resistant kraft liner board of claim 1, wherein: the waterproof paper layer is commercially available kraft paper.

4. The high strength, tear resistant kraft liner board of claim 1, wherein: and filling materials are also arranged at the pores of the core paper.

5. The high strength, tear resistant kraft liner board of claim 1, wherein: the corrugation height of the core paper is 2.5-5.0 mm.

6. The high strength, tear resistant kraft liner board of claim 4, wherein: the filling material is selected from block-shaped cutting waste materials of honeycomb paperboards.

7. The high strength, tear resistant kraft liner according to any one of claims 1-6, wherein: and the waterproof paper layer of the facial tissue is provided with a plurality of through grooves for communicating the non-woven fabric layer.