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Medium-and-low-temperature epoxy resin and preparation method and application thereof in big-and-small-tow carbon fiber epoxy composite transmission shaft

A technology of curing epoxy resin and tow carbon fiber, which is applied in the direction of shafts, bearings, mechanical equipment, etc., can solve the problems of difficult preparation of composite transmission shafts, poor resin impregnation and wrapping capabilities, and difficult fiber composite materials, etc., to improve interface bonding Strength and cohesion, short cure cycle, increased mechanical properties and durability effects

Inactive Publication Date: 2018-04-13
吉林省高性能复合材料制造业创新中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the large tow fibers contain 48,000 fibers or more per bundle, the fiber bundle size is thicker, and the impregnation and wrapping ability of the resin is poorer. It is difficult to prepare fiber composite materials with excellent performance by using a suitable process High-performance composite drive shaft

Method used

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  • Medium-and-low-temperature epoxy resin and preparation method and application thereof in big-and-small-tow carbon fiber epoxy composite transmission shaft
  • Medium-and-low-temperature epoxy resin and preparation method and application thereof in big-and-small-tow carbon fiber epoxy composite transmission shaft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Medium and low temperature curing epoxy resin, composed of:

[0036] 10 parts by weight of nano-modified bisphenol A type epoxy resin, 60 parts by weight of novolak epoxy resin and 10 parts by weight of triglycidyl tripolyisocyanate;

[0037] Group B consisting of 20 parts by weight of tetraethylhexamethylenediamine, 20 parts by weight of 2-(dimethylaminomethyl) phenol, 25 parts by weight of menthanediamine, and 10 parts by weight of oligomeric phosphate (the number average molecular weight is 800) point.

[0038] The application of the above medium and low temperature curing epoxy resin in the preparation of large and small tow carbon fiber epoxy composite drive shafts:

[0039] (1) After the aluminum alloy mandrel is polished and cleaned twice, the surface is coated with a release agent and installed on the winding machine;

[0040] (2) Put the medium and low temperature curing epoxy resin into the dipping tank of the winding equipment, and heat it to 55°C, and impr...

Embodiment 2

[0045] Medium and low temperature curing epoxy resin, composed of:

[0046] 10 parts by weight of nano-modified bisphenol A type epoxy resin, 70 parts by weight of novolac epoxy resin and 10 parts by weight of triglycidyl tripolyisocyanate;

[0047] Group B consisting of 15 parts by weight of trimethylhexamethylenediamine, 20 parts by weight of 2-(dimethylaminomethyl) phenol, 20 parts by weight of menthanediamine, and 10 parts by weight of oligomeric phosphate (the number average molecular weight is 1000) point.

[0048] The application of the above medium and low temperature curing epoxy resin in the preparation of large and small tow carbon fiber epoxy composite drive shafts:

[0049] (1) After the aluminum alloy mandrel is polished and cleaned twice, the surface is coated with a release agent and installed on the winding machine;

[0050] (2) Put the medium and low temperature curing epoxy resin into the dipping tank of the winding equipment, and heat it to 55°C, and impr...

Embodiment 3

[0055] Medium and low temperature curing epoxy resin, composed of:

[0056] 10 parts by weight of nano-modified bisphenol A type epoxy resin, 65 parts by weight of novolac epoxy resin and 15 parts by weight of tetraglycidyl diaminodiphenylmethane component A;

[0057] Group B consisting of 15 parts by weight of tetraethylhexamethylenediamine, 20 parts by weight of 2-(dimethylaminomethyl) phenol, 25 parts by weight of menthanediamine, and 10 parts by weight of oligomeric phosphate (the number average molecular weight is 1000) point.

[0058] The application of the above medium and low temperature curing epoxy resin in the preparation of large and small tow carbon fiber epoxy composite drive shafts:

[0059] (1) After the aluminum alloy mandrel is polished and cleaned twice, the surface is coated with a release agent and installed on the winding machine;

[0060] (2) Put the medium and low temperature curing epoxy resin into the dipping tank of the winding equipment, and heat ...

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Abstract

The invention discloses medium-and-low-temperature epoxy resin and a preparation method and application thereof in a big-and-small-tow carbon fiber epoxy composite transmission shaft, belongs to the technical field of automobile transmission shaft lightweight manufacturing and solves the problem that resin is low in impregnation ability, high in curing temperature, long in time and unsupportive ofvolume production in the process of manufacturing automobile transmission shafts in the prior art. The medium-and-low-temperature epoxy resin is composed of a component A and a component B, the component A comprises, by weight, 5-10 parts of nano modified bisphenol A epoxy resin, 60-75 parts of phenolic epoxy resin and 10-15 parts of glycidyl amine epoxy resin, and the component B comprises, by weight, 15-20 parts of fatty amine at least containing one tertiary amine, 15-20 parts of aromatic amine at least containing one tertiary amine, 20-25 parts of alicyclic amine with two primary amines and 10-15 parts of oligopolyphosphate. Viscosity of the resin at 55 DEG C is 100-2000cp, curing molding temperature is 70-90 DEG C, and curing time is 0.5-1.5h.

Description

technical field [0001] The invention belongs to the technical field of lightweight manufacturing of automobile transmission shafts, and in particular relates to a medium-low temperature curing epoxy resin, a preparation method thereof, and an application in large and small tow carbon fiber epoxy composite transmission shafts. Background technique [0002] As an important power transmission component in the vehicle transmission system, the transmission shaft is used to effectively transmit the power generated during the operation of the engine to the wheels together with the gearbox and drive axle to make the vehicle generate driving force. According to the research results, the impulsive system will consume 20% of the engine energy due to its own weight during its own operation, and the transmission shaft made of metal will cause a large loss of engine energy utilization efficiency due to the large body density of the metal itself. The transmission shaft of the automobile is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G59/40C08G59/50C08G59/62C08L63/00C08K7/06B29C70/30B29C70/54F16C3/02B60K17/22
CPCC08G59/5013B29C70/30B29C70/54B60K17/22C08G59/4071C08G59/5006C08G59/5026C08G59/623C08L63/00C08L2205/025C08L2205/03F16C3/026F16C2208/86C08K7/06
Inventor 林再文王洪松刘永琪商伟辉邹志伟杨柳周玉由天宇
Owner 吉林省高性能复合材料制造业创新中心有限公司
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