TGDADPE type epoxy matrix resin for advanced composite material and preparation method thereof

An advanced composite material and epoxy matrix technology, applied in the direction of synthetic resin layered products, chemical instruments and methods, layered products, etc., can solve the high cost of polyetherimide resin, unfavorable large-scale application, linear expansion The coefficient is small and other problems, and the effect of good comprehensive performance, low cost and convenient operation is achieved

Inactive Publication Date: 2014-01-01
DONGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] (7) Low thermal conductivity and small linear expansion coefficient, the thermal stress generated when there is a temperature difference is much lower than that of metal;
[0024] Monomers such as 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane (BAHPFP) are expensive, resulting in high cost of polyetherimide resin (HPEI) and adhesives, which is not conducive to large-scale promotion application, can only be limited to some special fields

Method used

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  • TGDADPE type epoxy matrix resin for advanced composite material and preparation method thereof
  • TGDADPE type epoxy matrix resin for advanced composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Mix 1000 grams of N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether epoxy resin (TGDADPE) and 50 grams of 2,2-bis[4-(4-aminobenzene Oxygen)phenyl]hexafluoropropane was put into the reaction kettle, reacted at 50°C for 30min, cooled to room temperature, and added 2224g of a homogeneous solution of aromatic dibasic acid anhydride, curing agent and organic solvent (200g of 2,2 - bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride, 20 g 2-ethyl-4-methylimidazole, 4 g 2,4-dimethylimidazole, 1000 g N -Methyl-2-pyrrolidone, 500 grams of N,N-dimethylacetamide, 300 grams of dichloromethane, 200 grams of toluene) were stirred and mixed evenly to obtain 3274 grams of TGDADPE type epoxy matrix resin for advanced composite materials. Make MRTGD-1.

Embodiment 2

[0040] 1000 grams of N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether epoxy resin (TGDADPE), 10 grams of 4,4'-bis(4-aminophenoxy ) diphenyl sulfide and 90 grams of 2,2-bis[4-(2-trifluoromethyl-4-aminophenoxy)phenyl]hexafluoropropane were put into the reaction kettle, and reacted at 90°C for 40 minutes, Cool to room temperature, add a homogeneous solution of 948 grams of aromatic dibasic acid anhydride, curing agent and organic solvent (50 grams of 3,3',4,4'-tetracarboxylic diphenyl ether dianhydride, 50 grams of 2,2-bis [4-(3,4-Dicarboxyphenoxy)phenyl]propane dianhydride, 8 g 2-ethyl-4-methylimidazole, 40 g 2,4-dimethylimidazole, 600 g N-methylimidazole Base-2-pyrrolidone, 150 grams of chloroform, 50 grams of xylene) were stirred and mixed uniformly to obtain 2048 grams of TGDADPE type epoxy matrix resin for advanced composite materials, denoted as MRTGD-2.

Embodiment 3

[0042] Take an appropriate amount of TGDADPE type epoxy matrix resin for the advanced composite materials of MRTGD-1 and MRTGD-2 of the above-mentioned embodiment 1 and embodiment 2, and apply them evenly on the standard stainless steel test pieces respectively, and stack them after airing for 1 hour at room temperature , clamped, and put into a blast oven for curing: heat from room temperature to 90°C, hold for 1 hour, continue to heat up to 130°C, hold for 2 hours, continue to heat up to 180°C, hold for 2 hours, and cool to room temperature naturally. The measured tensile shear strengths are shown in Table 1.

[0043] Take an appropriate amount of TGDADPE epoxy matrix resin for advanced composite materials of MRTGD-1 and MRTGD-2 in the above-mentioned examples 1 and 2, and pour it into a stainless steel disc with a diameter of 10 cm (the disc is coated with a release agent in advance) , Thermal curing: heat from room temperature to 90°C, hold for 1 hour, continue to heat up ...

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Abstract

The invention relates to a TGDADPE type epoxy matrix resin for an advanced composite material and a preparation method of the TGDADPE type epoxy matrix resin for the advanced composite material. The TGDADPE type epoxy matrix resin for the advanced composite material is prepared from N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether epoxy resin, aromatic diamine, aromatic binary anhydride, a curing agent and organic solvent, wherein the mass ratio of the N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl ether epoxy resin, the aromatic diamine, the aromatic binary anhydride, the curing agent and the organic solvent is 100:5-10:10-20:1-5:80-200. The preparation method of the TGDADPE type epoxy matrix resin is simple in operation technology, the prepared matrix resin is excellent in overall performance and good in wettability to glass fiber, carbon fiber, quartz fiber, basalt fiber and aramid fiber and can be used for preparing the advanced composite material good in overall performance, and the preparation method of the TGDADPE type epoxy matrix resin is suitable for industrial production and has broad application prospects.

Description

technical field [0001] The invention belongs to the field of macromolecular materials and preparation thereof, in particular to a TGDADPE type epoxy matrix resin for advanced composite materials and a preparation method thereof. Background technique [0002] With the rapid development of high-tech fields such as aerospace, electronics, microelectronics, motors, electrical appliances, automobiles, high-speed trains, ships and submarines, the demand for advanced composite materials is increasing day by day, and their performance requirements are also getting higher and higher. Therefore, the development of high-performance advanced composite materials has become one of the main development directions in the field of new materials today, and has been highly valued by countries all over the world. [0003] Composite materials are mainly composed of two parts, namely matrix and reinforcement materials. According to different matrix materials, composite materials can be divided i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G59/50C08L63/00C08J5/04B32B27/04B32B27/38
Inventor 虞鑫海钟凤
Owner DONGHUA UNIV
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