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Composite corrugated cardboard and processing method thereof

A technology of corrugated cardboard and processing method, which is applied in the field of corrugated cardboard processing, can solve problems such as the ineffectiveness of the inner layer of corrugated cardboard, affect the safety of packaging, and cannot adapt to impacts, etc., and achieve the effects of prolonging service life, easy operation, and protecting the environment

Active Publication Date: 2018-04-13
浙江希望包装有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the corrugated cardboard of corrugated cardboard is mostly arranged in the corrugated core layer horizontally in a wave shape. The cardboard with this structure has poor structural strength. During use, the corrugated cardboard will often be deformed due to pressure and cannot adapt to the handling process. Different impacts can easily cause the inner layer of corrugated cardboard to be ineffective or even damaged, which will affect the safety of the packaged goods

Method used

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  • Composite corrugated cardboard and processing method thereof
  • Composite corrugated cardboard and processing method thereof
  • Composite corrugated cardboard and processing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: a kind of composite corrugated cardboard, such as figure 1 and figure 2 As shown, it includes a face paper layer 1, a corrugated core layer 2 and an inner paper layer 3 from the outside to the inside, and the inner paper layer 3 and the face paper layer 1 are respectively located on the inside and outside of the corrugated core layer 2. Wherein, the corrugated core layer 2 is composed of several rows of continuous corrugated paper sheets 21 in a wave shape, and the inner paper layer 3 and the surface paper layer 1 are both corrugated base paper. The continuous wave-shaped corrugated cardboard sheet 21 can increase the mechanical strength of the composite corrugated cardboard and can withstand collisions and falls during transportation, and is one of the necessary materials for modern packaging.

[0045] Such as figure 1 and figure 2 As shown, in order to enhance the structural strength of the above composite corrugated cardboard and improve its deform...

Embodiment 2

[0061] Embodiment 2: a kind of composite corrugated cardboard, the difference with embodiment 1 is: as image 3 As shown, the corrugated cardboard sheets 21 and the above-mentioned surface paper layer 1 or inner paper layer 3 form alternating semi-conical support structures 6 . The above-mentioned corrugated paper sheet 21 is bent into an alternate semi-conical structure. At this time, the curved surface of the semi-cone has a certain cushioning performance, which can effectively reduce the probability of deformation of the cavity 5 between the inner paper layer 3 and the surface paper layer 1, thereby improving the above-mentioned The firmness and durability of composite corrugated board.

[0062] The fiber-reinforced composite corrugated cardboard obtained according to the above steps was subjected to mechanical tests. The bursting strength was 1658 kPa, the edge compressive strength was 11.8 kN / m, the bonding strength was 794 N / m, and the compressive strength was 7.31 kN. ...

Embodiment 3

[0063] Embodiment 3: A composite corrugated cardboard, the difference from Embodiment 1 is that the paper-plastic adhesive is LF high-strength quick-drying starch glue. When the LF high-strength quick-drying starch glue is used instead of an organic glue adhesive, it can greatly reduce the cost of use and improve the market competitiveness of the enterprise.

[0064] The fiber-reinforced composite corrugated cardboard obtained according to the above steps was subjected to mechanical tests. The bursting strength was 1557 kPa, the edge compressive strength was 11.45 kN / m, the bonding strength was 789 N / m, and the compressive strength was 7.21 kN. The drop test is qualified (time: 24 h, height 1.2 m), and the stacking test is qualified (stacking height: 3 m, stacking weight: 189 kg, stacking time: 24 h), and the equivalent gram Compared with heavy corrugated cardboard, its flat compressive strength, main bearing surface strength and overall compressive strength are increased by m...

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Abstract

The invention discloses composite corrugated cardboard and a processing method thereof, and belongs to the technical field of corrugated cardboard processing. The composite corrugated cardboard and the processing method thereof are characterized in that the composite corrugated cardboard comprises a surface card layer, a corrugated core layer and an inner card layer; the corrugated core layer comprises a plurality of rows of continuous wavy corrugated cards, at least two sheets of reinforced cardboard are arranged between the surface card layer and the inner card layer, one side of each sheetof reinforced cardboard is connected with the surface card layer, the other side of each sheet of reinforced cardboard is connected with the inner card layer, and a cavity formed by the reinforced cardboard or by the reinforced cardboard and the surface card layer or by the reinforced cardboard and the inner card layer or by the reinforced cardboard, the surface card layer and the inner card layeris filled with the corrugated cards which are adhered to the inner wall of the cavity. The process of the method comprises the steps of raw material pre-processing, fiber separating, stirring and beating, wire entering, forming and dehydration, papermaking, corrugated roll rolling, composition pasting, cooling shaping and slitting, indentation, transverse cutting, stacking and then shaping. The composite corrugated cardboard has good supporting strength, deformation resistance performance and impact resistance performance; during processing, plant fiber is added, so that the degradability performance of the composite corrugated cardboard is improved, and the composite corrugated cardboard is environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of corrugated cardboard processing, and more specifically relates to a composite corrugated cardboard and a processing method thereof. Background technique [0002] As the most important and widely used packaging material, corrugated cardboard has the advantages of light weight, low cost, easy processing, convenient storage and transportation, which are not available in wood packaging and metal packaging, while its U, V, UV, etc. The corrugated structure also greatly improves the compression and burst resistance of the carton. It has high mechanical strength, can withstand bumps and falls during handling, and is a necessary material for modern packaging. [0003] In the prior art, the corrugated paper of corrugated cardboard is mostly arranged in the corrugated core layer horizontally in a wave shape. The cardboard with this structure has poor structural strength. During use, the corrugated cardboard is oft...

Claims

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Application Information

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IPC IPC(8): D21F11/12D21H27/40B31F1/20B32B29/00B32B29/08B32B37/12B32B38/16
CPCB31F1/20B32B29/005B32B29/08B32B37/1284B32B38/164B32B2307/558B32B2307/716B32B2307/734D21F11/12D21H27/40
Inventor 陈军江夏伟龙郑华东徐小军
Owner 浙江希望包装有限公司
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