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High-temperature-resistant modified polyfunctional epoxy matrix resin for advanced composite material and preparation thereof

An advanced composite material and epoxy matrix technology, which is applied in the field of high temperature modified multifunctional epoxy matrix resin for advanced composite materials and its preparation, can solve the problems of unpublished literature or patent reports, polyetherimide resin High cost, unfavorable large-scale promotion and application, etc., to achieve the effect of low cost, convenient source and excellent heat resistance

Inactive Publication Date: 2013-06-05
DONGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] (2) 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane (BAHPFP) and other monomers are expensive, resulting in high cost of polyetherimide resin (HPEI) and adhesives, which is not conducive to Large-scale promotion and application can only be limited to some special fields
[0014] The present invention adopts tetramaleimide resin high-temperature-resistant modified multi-functional epoxy resin to prepare high-temperature-resistant matrix resin for advanced composite materials, and no published literature or patent reports have been seen yet.

Method used

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  • High-temperature-resistant modified polyfunctional epoxy matrix resin for advanced composite material and preparation thereof
  • High-temperature-resistant modified polyfunctional epoxy matrix resin for advanced composite material and preparation thereof
  • High-temperature-resistant modified polyfunctional epoxy matrix resin for advanced composite material and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 50.0 grams of tetramaleimide resin, 50.0 grams of carboxy-terminated nitrile rubber (supplied by Lanzhou Petrochemical Company Petrochemical Research Institute), 250.0 grams of N, N, N', N'-tetraglycidyl-4, 4′-Diaminodiphenylmethane and 100.0 g of N, N, O-triglycidyl-4-aminophenol polyfunctional epoxy resin were added to the reaction kettle, reacted at 110°C for 1 hour, cooled to room temperature, and added 50.0 An organic solvent of gram of N,N-dimethylformamide and 100.0 gram of acetone was stirred and dissolved at room temperature to form a homogeneous transparent viscous liquid, and component A was obtained.

[0034] With 10.0 grams of 2-ethyl-4-methylimidazole, 20.0 grams of 4,4'-diaminodiphenylsulfone and 20.0 grams of 1,4-bis(4-aminophenoxy)benzene curing agent with 350.0 grams of N, N-dimethylformamide is mixed with an organic solvent, stirred and dissolved at room temperature, and a homogeneous and transparent component B solution is obtained.

[0035] Mix com...

Embodiment 2

[0039] 100.0 grams of tetramaleimide resin, 100.0 grams of carboxy-terminated nitrile rubber (supplied by Lanzhou Petrochemical Company Petrochemical Research Institute), 150.0 grams of N, N, N', N'-tetraglycidyl-3, 3'-Dimethyl-4,4'-diaminodiphenylmethane, 50.0 grams of 4,5-epoxycyclohexane-1,2-dicarboxylic acid diglycidyl ester, 50.0 grams of triglycidyl cyanurate Add amine and 50.0 grams of N, N, O-triglycidyl-4-aminophenol polyfunctional epoxy resin to the reaction kettle, react at 110°C for 1 hour, cool to room temperature, add 50.0 grams of N, N-dimethyl An organic solvent of acetamide and 100.0 g of acetone was stirred and dissolved at room temperature, and it was a homogeneous transparent viscous liquid to obtain component A.

[0040] With 10.0 grams of 2-ethyl-4-methylimidazole, 20.0 grams of 4,4'-diaminodiphenylsulfone, 15.0 grams of 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane and 5.0 Mix 3,3'-diamino-4,4'-dihydroxybiphenyl curing agent with 300.0 grams of N,N-...

Embodiment 3

[0045] 50.0 grams of tetramaleimide resin, 50.0 grams of carboxy-terminated nitrile rubber (supplied by Lanzhou Petrochemical Company Petrochemical Research Institute), 50.0 grams of 4,5-epoxycyclohexane-1,2-dicarboxylic acid dicarboxylate Add glycidyl ester, 50.0 grams of thermoplastic novolac epoxy resin and 50.0 grams of N, N, O-triglycidyl-4-aminophenol polyfunctional epoxy resin into the reaction kettle, react at 110 ° C for 1 hour, and cool to room temperature , adding 150.0 g of N-methyl-2-pyrrolidone and 100.0 g of acetone as an organic solvent, stirring and dissolving at room temperature, and becoming a homogeneous transparent viscous liquid to obtain component A.

[0046] 20.0 grams of 2-ethyl-4-methylimidazole and 80.0 grams of 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl] propane dianhydride curing agent and 400.0 grams of N-methyl - Mix 2-pyrrolidone with an organic solvent, stir and dissolve at room temperature to obtain a homogeneous and transparent component B soluti...

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Abstract

The invention relates to high-temperature-resistant modified polyfunctional epoxy matrix resin for an advanced composite material. The resin comprises tetramaleimide resin, carboxy terminated nitrile rubber, polyfunctional epoxy resin, a curing agent and an organic solvent. A preparation method comprises the following steps of: adding the tetramaleimide resin, the carboxy terminated nitrile rubber and the polyfunctional epoxy resin into a reaction kettle and reacting at the temperature of 110 DEG C for one hour; adding the organic solvent and dissolving under stirring to obtain a component A;mixing the curing agent and the organic solvent and dissolving under stirring to obtain a component B; and mixing the component A and the component B and uniformly stirring during use. The high-temperature-resistant modified polyfunctional epoxy matrix resin provided by the invention has the advantages of high room temperature tensile shear strength, high heat resistance, wide application prospect in the fields such as electronics, micro-electronics, printed circuit boards (PCB), motors, aerospace and the like, simple preparation process, low cost and contribution to realizing industrial production.

Description

technical field [0001] The invention belongs to the field of preparation of new organic polymer materials, in particular to a high-temperature-resistant modified multifunctional epoxy matrix resin for advanced composite materials and a preparation method thereof. Background technique [0002] As we all know, epoxy resin has many excellent properties: (1) Good bonding performance: high bonding strength, wide bonding surface, it is compatible with many metals (such as iron, steel, copper, aluminum, metal alloys, etc.) The bonding strength of metal materials (such as glass, ceramics, wood, plastics, etc.) is very high, and some even exceed the strength of the bonded material itself, so it can be used in many stressed structural parts and is the main component of structural adhesives One; (2) good processing performance: the flexibility of epoxy resin formula, the diversity of processing technology and product performance are the most prominent among polymer materials; (3) good ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G59/40C08L63/00
Inventor 虞鑫海陈梅芳
Owner DONGHUA UNIV
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