High-strength aramid paper sandwich composite structure and manufacturing method thereof

A technology of composite structure and manufacturing method, which is applied in the field of aramid fiber manufacturing, can solve problems such as damage and damage, and achieve the effects of improving external bearing capacity, large volume resistance, and reducing load bearing

Active Publication Date: 2021-01-19
X FIPER NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Aramid paper is insulating paper, which has good thermal stability, flame retardancy, high temperature insulation and chemical stability; as a honeycomb sandwich structure, aramid paper has light weight, high strength and good bending stiffness. Sandwich structures are prone to degumming and delamination during manufacture and use, causing damage and damage

Method used

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  • High-strength aramid paper sandwich composite structure and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] refer to figure 1 As shown, this embodiment is a high-strength aramid paper sandwich composite structure, including a polyester film 1, an aramid paper honeycomb core 2 disposed on both sides of the polyester film 1, and a resin resin disposed on the outside of the aramid paper honeycomb core 2. The fiber layer 3, the polyester film 1 and the aramid paper honeycomb core 2 are bonded by an adhesive 4;

[0028] The space section of the aramid paper honeycomb core 2 is a square, and the paper thickness of the aramid paper honeycomb core 2 is 0.05mm;

[0029] The resin fiber layer 3 is a fiber cloth impregnation layer formed by impregnating the fiber cloth with the resin composition, and the resin composition includes 3 parts of phenolic propane epoxy resin, 20 parts of tetraphenol based epoxy resin, 5 parts of polyethersulfone, 5 parts of emulsifier, 3 parts of acetone, 6 parts of ethylene glycol monomethyl ether;

[0030] The raw material of adhesive 4 comprises the fol...

Embodiment 2

[0045] refer to figure 1 As shown, this embodiment is a high-strength aramid paper sandwich composite structure, including a polyester film 1, an aramid paper honeycomb core 2 disposed on both sides of the polyester film 1, and a resin resin disposed on the outside of the aramid paper honeycomb core 2. The fiber layer 3, the polyester film 1 and the aramid paper honeycomb core 2 are bonded by an adhesive 4;

[0046] The space section of the aramid paper honeycomb core 2 is a square, and the paper thickness of the aramid paper honeycomb core 2 is 0.07mm;

[0047] The resin fiber layer 3 is a fiber cloth impregnation layer formed by impregnating the fiber cloth with the resin composition, and the resin composition includes 8 parts of phenolic propane epoxy resin, 10 parts of tetraphenol based epoxy resin, 15 parts of polyethersulfone, 1 part of emulsifier, 8 parts of acetone, 3 parts of ethylene glycol monomethyl ether;

[0048] The raw material of adhesive 4 comprises the fol...

Embodiment 3

[0063] refer to figure 1 As shown, this embodiment is a high-strength aramid paper sandwich composite structure, including a polyester film 1, an aramid paper honeycomb core 2 disposed on both sides of the polyester film 1, and a resin resin disposed on the outside of the aramid paper honeycomb core 2. The fiber layer 3, the polyester film 1 and the aramid paper honeycomb core 2 are bonded by an adhesive 4;

[0064] The space section of the aramid paper honeycomb core 2 is a square, and the paper thickness of the aramid paper honeycomb core 2 is 0.06mm;

[0065] The resin fiber layer 3 is a fiber cloth impregnation layer formed by impregnating the fiber cloth with a resin composition. The resin composition includes 5 parts of phenolic propane epoxy resin, 15 parts of tetraphenol based epoxy resin, 10 parts of polyethersulfone, 3 parts of emulsifier, 5 parts of acetone, 4 parts of ethylene glycol monomethyl ether;

[0066] The raw material of adhesive 4 comprises the followin...

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PUM

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Abstract

The invention discloses a high-strength aramid-paper sandwich composite structure. The high-strength aramid-paper sandwich composite structure comprises a polyester thin film, aramid-paper honeycomb cores arranged at the two sides of the polyester thin film, and resin fiber layers arranged at the outer sides of the aramid-paper honeycomb cores, wherein the polyester thin film is laminated with thearamid-paper honeycomb cores by an adhesive. The high-strength aramid-paper sandwich composite structure disclosed by the invention has the characteristics of high strength and durability.

Description

technical field [0001] The invention belongs to the technical field of aramid fiber manufacturing, and in particular relates to a high-strength aramid paper sandwich composite structure and a manufacturing method thereof. Background technique [0002] Aramid paper is insulating paper, which has good thermal stability, flame retardancy, high temperature insulation and chemical stability; as a honeycomb sandwich structure, aramid paper has light weight, high strength and good bending stiffness. During the manufacture and use of sandwich structures, degumming and delamination are prone to occur, causing damage and damage. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to solve the above technical problems, and provide a high-strength aramid paper sandwich composite structure and its manufacturing method, so as to realize the high strength and durability of the aramid paper sandwich composite structure. In order to achieve the above object, the tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B7/12B32B3/12B32B27/02B32B27/04B32B27/12B32B27/36B32B27/34B32B37/12C08L63/00C08L81/06C08K5/06C09J161/06C09J11/04C09J11/08
CPCB32B3/12B32B7/12B32B27/12B32B27/34B32B27/36B32B37/12B32B2260/021B32B2260/046B32B2262/02B32B2307/206B32B2307/306B32B2307/554C08L63/00C08L81/06C08L2205/025C08L2205/03C08L2205/035C09J11/04C09J11/08C09J161/06C08K5/06C08K3/38
Inventor 钟洲王丽丽车明国
Owner X FIPER NEW MATERIAL CO LTD
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