A kind of corrugated box and its preparation method

Abstract

The invention discloses a corrugated box and a preparation method thereof, which belong to the field of cartons. A corrugated box includes a box body composed of corrugated cardboard. The corrugated cardboard includes outer transparent waterproof paper, corrugated paper and inner transparent paper arranged in sequence from outside to inside. Waterproof paper, a moisture-sensitive color-changing film formed by spraying a moisture-sensitive color-changing compound reagent is arranged between the outer transparent waterproof paper and corrugated paper. The color change of the color-changing film can detect whether there is water in the carton in time, so that the staff can deal with it in time to reduce the loss of goods; at the same time, the humidity of the corrugated paper and the humidity can be known through the color of the humidity-sensitive color-changing film. The maximum load-bearing strength of the lower box can strictly control the weight of the goods in the box, reduce the damage of the box due to excessive load-bearing during use, and ensure that the loss of goods is minimized.

Description

technical field [0001] The invention relates to the field of cartons, in particular to a corrugated carton and a preparation method thereof. Background technique [0002] Corrugated carton is the most widely used packaging product, and its consumption has always been the first among all kinds of packaging products. With its superior performance and good processing performance, corrugated boxes have gradually replaced wooden boxes and other transportation packaging containers and become the main force of transportation packaging. In addition to protecting the goods and facilitating storage and transportation, it also plays the role of beautifying and promoting the goods. Corrugated boxes are green and environmentally friendly products, which are conducive to environmental protection and are conducive to loading, unloading and transportation. Corrugated boxes are made of corrugated cardboard after die-cutting, creasing, nailing or gluing. Corrugated cardboard is a multi-lay...

AI Technical Summary

Problems solved by technology

[0004] The corrugated cartons used for packaging and transportation have their maximum load-bearing strength. Generally, the weight of the packaged goods should not exceed its maximum load-bearing strength. Otherwise, the carton will not be able to bear the load and cause damage or rupture, resulting in damage to the goods. After that, the compressive strength will decrease, and its maximum load-bearing strength will also decrease accordingly.

[0005] When the existing corrugated boxes are in use, it is often not found in time whether the cartons are flooded, so that the cartons cannot bear the weight of the goods during use and are broken and damaged, resulting in the drop or loss of the goods; and when water is found in the cartons, in order To protect the goods inside, we usually choose to replace the cartons, and recycle the cartons after water ingress, which will increase the workload and easily cause waste of carton materials

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