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A kind of preparation method of resin matrix for high rigidity carbon fiber composite material

A composite material and resin matrix technology, which is applied in the field of resin matrix for high stiffness carbon fiber composite materials and its preparation, can solve the problems of low viscosity, poor matching, low modulus of resin matrix, etc., achieve low viscosity, good matching, and increase strength Effect

Active Publication Date: 2019-04-12
HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By adjusting the ratio of main resin, fluorine-containing epoxy resin, curing agent, accelerator and functionalized carbon nanotubes, a low viscosity, high stiffness, long pot life, good match with high-strength carbon fiber, and excellent comprehensive mechanical properties are prepared. The epoxy resin system for winding can be applied to the preparation of high-stiffness carbon fiber composite materials, which solves the problems of low resin matrix modulus and poor matching with high-strength carbon fibers, and fills the gap in the current research on epoxy resins that match high-strength carbon fibers

Method used

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  • A kind of preparation method of resin matrix for high rigidity carbon fiber composite material
  • A kind of preparation method of resin matrix for high rigidity carbon fiber composite material
  • A kind of preparation method of resin matrix for high rigidity carbon fiber composite material

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Effect test

Embodiment 1

[0018] The mass parts of main resin, fluorine-containing resin, curing agent, accelerator and functionalized carbon nanotubes are prepared according to the ratio of 100:20:40:2:1. The main epoxy resin is a compound of diglycidyl hexahydrophthalate, glycidyl ether epoxy resin AG80 and butyl glycidyl ether, and the fluorine-containing epoxy resin is 2,2-bisphenol-hexafluoro One kind of propane diglycidyl ether, the curing agent is a compound of triethylenetetramine and isophoronediamine IPD, the accelerator is 2-ethyl-4-methylimidazole, and the carbon nanotubes are aminated carbon Nanotubes and carbon fibers are T700S-12K from Toray Corporation of Japan. The preparation process is as follows: Stir and mix the main resin and fluorine-containing resin at 70°C for 30 minutes according to the proportion; stir and mix the selected curing agent, accelerator and functionalized carbon nanotubes at 120°C for 50 minutes according to the proportion, and wait to cool to 60°C. Stir ultrason...

Embodiment 2

[0023]The mass parts of main resin, fluorine-containing resin, curing agent, accelerator and functionalized carbon nanotubes are prepared according to the ratio of 100:10:30:2:1. The main epoxy resin is a compound of diglycidyl hexahydrophthalate, bisphenol A diglycidyl ether E51 and butyl glycidyl ether, and the fluorine-containing epoxy resin is 1,3-(bishexafluoro light Propyl) benzene diglycidyl ether, the curing agent is a compound of triethylenetetramine and diaminodiphenylmethane (DDM), the accelerator is 2-ethyl-4-methylimidazole, carbon nano The tube adopts carboxylated carbon nanotubes, and the carbon fiber adopts T700S-12K of Japan Toray Company. The preparation process is as follows: Stir and mix the main resin and fluorine-containing resin at 70°C for 30 minutes according to the proportion; stir and mix the selected curing agent, accelerator and functionalized carbon nanotubes at 120°C for 50 minutes according to the proportion, and wait to cool to 60°C. Stir ultr...

Embodiment 3

[0028] The mass parts of main resin, fluorine-containing resin, curing agent, accelerator and functionalized carbon nanotubes are prepared according to the ratio of 100:10:30:2:1. The main epoxy resin is a compound of diglycidyl hexahydrophthalate, glycidyl ether type epoxy resin AG80, bisphenol A diglycidyl ether E51 and butyl glycidyl ether, fluorine-containing epoxy resin 2,2-bisphenol-hexafluoropropane diglycidyl ether is used, the curing agent is a compound of triethylenetetramine and diaminodiphenylmethane (DDM), and the accelerator is 1-aminoethyl- 2-Methylimidazole (AMZ), carbon nanotubes adopt carboxylated carbon nanotubes, and carbon fibers adopt T700S-12K from Toray Corporation of Japan. The preparation process is as follows: Stir and mix the main resin and fluorine-containing resin at 70°C for 30 minutes according to the proportion; stir and mix the selected curing agent, accelerator and functionalized carbon nanotubes at 120°C for 50 minutes according to the propo...

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Abstract

The invention relates to a preparation method of a resin matrix for a high-rigidity carbon fiber composite material. Fluorine elements with high electrical absorption characteristic are introduced into different positions of a main chain structure by selecting high-performance epoxy resin as a main body and adding fluorine-containing epoxy resin to compound; the modulus of a resin system and the adhesive property of a carbon fiber interface are further improved by adding a functionalized carbon nanotube; a resin system with low viscosity, high wettability with carbon fiber and long working life and special for winding of a high-rigidity and high-modulus composite product is prepared by adjusting the proportion of the main body resin, the fluorine-containing resin, a curing agent, an accelerant and the carbon nanotube; the matching problem with high-modulus carbon fiber is effectively solved, the transverse deformation of the composite material is regulated and controlled, and terrific guide significance in the preparation of the high-rigidity composite material and related products is achieved.

Description

technical field [0001] The invention belongs to the field of fiber resin-based composite materials, and mainly relates to a resin matrix for high-rigidity carbon fiber composite materials and a preparation method thereof. Background technique [0002] Carbon fiber resin-based composite materials have excellent properties such as high strength, light weight, and good fatigue resistance. They have important applications in the aerospace field, the research of low-energy new energy vehicles in the field of lightweight vehicles, and petrochemical sports building materials and other civil applications. In recent years, the development and use trend of carbon fiber composite materials has been increasing year by year. Among them, the industrial carbon fiber composite material cylinder has gradually developed from an all-metal structure cylinder to an all-carbon fiber composite material structure. Compared with the traditional metal structure cylinder, it has light weight and streng...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08K7/24C08K7/06C08G59/50
CPCC08G59/5026C08G59/5073C08K2201/011C08K2201/014C08L63/00C08L2205/025C08L2205/035C08K7/24C08K7/06
Inventor 贾晓龙杨文刚杨小平
Owner HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH