Composite buffer sheet

Abstract

The invention discloses a composite buffer sheet which is composed of three elastic buffer layers, wherein the middle elastic buffer layer is composed of a low-density polyethylene foam board, and the other two elastic buffer layers are respectively composed of a high-density polyethylene foam board and respectively adhered to the upside and downside of the middle elastic buffer layer. The density of the middle elastic buffer layer is less than the densities of the other two elastic buffer layers. The composite buffer sheet disclosed by the invention has the advantages that through compositing the low-density and high-density materials, the buffering property, creep property, bearing capacity and puncture resistance of the composite buffer sheet are greatly enhanced; based on the enhancement of the properties, during the packing of products, less materials and smaller package size can be used so as to meet the requirements for product protection; because the package size is decreased, the volume of a packing case is correspondingly decreased, thereby greatly reducing the costs for storage and transportation; and because the application amount of materials is reduced, the resource degradation and the pollution to the environment are reduced, thereby reducing the overall packaging cost.

Description

Technical field: [0001] The invention relates to packaging technology, in particular to packaging made of polyethylene (EPE) cushioning foam material, in particular to a composite cushioning sheet. Background technique: [0002] In the prior art, polyethylene (EPE) buffer foam material is widely used as a multi-layer sheet bonded by polyethylene foam rolls of the same density. In the packaging process, its cushioning performance, creep performance, bearing capacity, and puncture resistance are relatively weak. In order to protect the product, a large amount of polyethylene foam material needs to be used. At the same time, the volume of the package increases, causing the outer packaging ( Such as: the cost of cartons), the increase in storage and transportation costs, and the generation of a large amount of packaging waste. Invention content: [0003] The purpose of the present invention is to provide a composite cushioning sheet, said composite cushioning sheet will solve...

AI Technical Summary

Problems solved by technology

In the packaging process, its cushioning performance, creep performance, bearing capacity, and puncture resistance are relatively weak. In order to protect the product, a large amount of polyethylene foam material needs to be used. At the same time, the volume of the package increases, causing the outer packaging ( Such as: the cost of cartons, the increase of storage and transportation costs and the generation of a large amount of packaging waste

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