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High Strength Composite Membrane and Its Preparation Technology

A composite film, high-strength technology, applied in sustainable manufacturing/processing, synthetic resin layered products, sustainable packaging, etc. Tensile fracture and delamination, the effect of uniform internal stress

Active Publication Date: 2022-06-07
昆山佳特舜精密电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the above-mentioned deficiencies in the prior art, aiming at the problems of poor hot-pressing tensile performance and insufficient surface contact protection of traditional tray substrates, a high-strength composite film and its preparation process are proposed

Method used

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  • High Strength Composite Membrane and Its Preparation Technology
  • High Strength Composite Membrane and Its Preparation Technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example as figure 1 As shown, it includes an intermediate base layer 1 and a single-sided IXPE radiation cross-linked polyethylene foam layer 2, and a TPU flexible layer 4 is provided between the structural base 3 of the intermediate base layer 1 and the single-sided IXPE radiation cross-linked polyethylene foam layer 2, This embodiment is mainly used for two-layer composite trays, and the structural bases 3 of the two-layer high-strength composite films are opposite to meet the requirements of bonding and composite. It can also be used for forming a single-layer tray, and the structural base 3 itself also has the characteristics of wear resistance.

Embodiment 2

[0027] Example two is as figure 2 As shown, it includes a middle base layer 1 and two sides of IXPE radiation cross-linked polyethylene foam layers 2, which are mainly used for single-layer tray molding, and both sides of the IXPE radiation cross-linked polyethylene foam layers 2 provide surface protection.

[0028] The specific implementation process and principle description:

[0029] The IXPE radiation cross-linked polyethylene foam layer 2 has a dense foam layer, and the IXPE radiation cross-linked polyethylene foam layer 2 has better resistance to breaking and stretching, and has excellent properties such as corrosion resistance and electrical insulation, which can meet the requirements of contact protection. And outer surface protection, prolong the service life of products.

[0030] The structural base 3 in the intermediate base layer 1 also has the characteristics of thermoforming and stretching as a structural support, and the TPU flexible layer 4 acts as a buffer s...

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Abstract

The invention discloses a high-strength composite film and its preparation process. The high-strength composite film includes an intermediate base layer, at least one side of the intermediate base layer is provided with an IXPE radiation cross-linked polyethylene foam layer, and the IXPE radiation cross-linked polyethylene foam layer is connected with the intermediate base layer. The base layer is hot-pressed to form a high-strength composite film. The intermediate base layer includes a structural base. The composite surface of the structural base and the IXPE radiation cross-linked polyethylene foam layer is provided with a TPU flexible layer. The structural base and the TPU flexible layer are co-extruded to form an intermediate base layer. At the same time, the middle base layer is co-extruded into a film and then thermally compounded with the preheated IXPE radiation cross-linked polyethylene foam layer after temperature control. In the present invention, the intermediate base layer and the IXPE radiation cross-linked polyethylene foam layer are thermally composited, and the intermediate base layer is co-extruded with the structural base and the TPU flexible layer, so that the high-strength composite film has layer structure stability. , effectively prevent tensile fracture and delamination, and at the same time make the pallet have the characteristics of load-bearing buffer, contact surface protection, impact resistance, and corrosion resistance.

Description

technical field [0001] The invention relates to a high-strength composite film and a preparation process thereof, and belongs to the technical field of hot-pressed film materials. Background technique [0002] A pallet is a kind of transportation carrier involved in industrial production. It is used to load products or workpieces for transportation and operation. It generally has multiple loading positions, and the loading positions include protrusions or sink structures. The pallets also include single-layer pallets and stacked pallets. The stacked pallets need to be designed to match, and a middle cavity needs to be left during stacking. Therefore, the structural strength of the stacked pallets is high. Traditionally, ABS plastic or PS is used. Plastic as pallet substrate. [0003] Some special products, such as cosmetics, have special requirements for the tray, and its outer surface has a fine coating and an oxidation-resistant layer, that is, it is required to protect t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/40B32B27/32B32B37/06B32B27/28C08L23/12C08L75/04C08L25/06C08L23/06C08J5/18
CPCB32B27/40B32B27/32B32B37/06B32B27/28C08J5/18C08J2323/12C08J2375/04C08J2325/06C08J2323/06C08J2425/06C08J2423/06Y02W30/80
Inventor 汪俭保
Owner 昆山佳特舜精密电子科技有限公司
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