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Wear-resistant and heat-resistant potassium titanate whisker-modified carbon fiber composite material and preparation method thereof

A technology of fiber composite material and potassium titanate whisker, which is applied in the field of wear-resistant and heat-resistant potassium titanate whisker modified carbon fiber composite material and its preparation, to increase solid phase content, improve wear resistance, and improve overall heat resistance sexual effect

Inactive Publication Date: 2017-01-04
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, carbon fiber modified polyamide composite materials have excellent performance in terms of mechanical strength, but with the application and promotion of carbon fiber materials, they are subject to certain limitations in terms of price, wear resistance and stress calculation, etc., which urgently need to be solved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0032] (1) Prepare raw materials according to the following proportions:

[0033] 100 parts of nylon 6 resin matrix,

[0034] Carbon fiber 20 parts,

[0035] Potassium hexatitanate whiskers 5 parts,

[0036] 0.5 parts of coupling agent γ-aminopropyltriethoxysilane,

[0037] 0.02 parts of antioxidant N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine,

[0038] Antioxidant tris [2.4-di-tert-butylphenyl] phosphite 0.03 part,

[0039] 0.05 part of lubricant ethylene bis stearamide;

[0040] (2) Put the above raw materials together in a high-speed mixer to stir and disperse for 10 minutes;

[0041] (3) The dispersed raw materials are passed through an extruder, and after melting, plasticizing, extruding, cooling, pelletizing and packaging, the potassium titanate whisker modified carbon fiber composite material is obtained.

[0042] The properties of the obtained potassium titanate whisker-modified carbon fiber composites are shown in Table 1.

example 2

[0044] (1) Prepare raw materials according to the following proportions:

[0045] 100 parts of nylon 6 resin matrix,

[0046] Carbon fiber 20 parts,

[0047] Potassium hexatitanate whiskers 15 parts,

[0048] 1 part of coupling agent γ-aminopropyltriethoxysilane,

[0049] 0.05 part of antioxidant N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine,

[0050] Antioxidant tris [2.4-di-tert-butylphenyl] phosphite 0.08 part,

[0051] 0.15 part of lubricant ethylene bis stearamide;

[0052] (2) Put the above raw materials together in a high-speed mixer to stir and disperse for 15 minutes;

[0053] (3) The dispersed raw materials are passed through an extruder, and after melting, plasticizing, extruding, cooling, pelletizing and packaging, the potassium titanate whisker modified carbon fiber composite material is obtained.

[0054] The properties of the obtained potassium titanate whisker-modified carbon fiber composites are shown in Table 1.

example 3

[0056] (1) Prepare raw materials according to the following proportions:

[0057] 100 parts of nylon 6 resin matrix,

[0058] Carbon fiber 20 parts,

[0059] Potassium hexatitanate whiskers 25 parts,

[0060] 1.5 parts of coupling agent γ-aminopropyltriethoxysilane,

[0061] 0.1 part of antioxidant N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine,

[0062] 0.12 parts of antioxidant tris[2.4-di-tert-butylphenyl] phosphite,

[0063] 0.25 part of lubricant ethylene bis stearamide;

[0064] (2) Put the above raw materials together in a high-speed mixer to stir and disperse for 20 minutes;

[0065] (3) The dispersed raw materials are passed through an extruder, and after melting, plasticizing, extruding, cooling, pelletizing and packaging, the potassium titanate whisker modified carbon fiber composite material is obtained.

[0066] The properties of the obtained potassium titanate whisker-modified carbon fiber composites are shown in Table 1.

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Abstract

The invention provides a wear-resistant and heat-resistant potassium titanate whisker-modified carbon fiber composite material and a preparation method thereof. The composite material is characterized in that the composite material is prepared by mixing the following raw materials in parts by weight: 100 parts of resin matrix, 20 parts of carbon fiber, 5-50 parts of potassium titanate whiskers, 0.5-2.5 parts of a coupling agent, 0.05-0.5 part of an antioxidant, and 0.05-0.5 part of a lubricant, and extruding. According to the invention, the dimensional stability, wear resistance and heat resistance of the composite material can be greatly improved while maintaining the high performance of the carbon fiber composite material, and the introduction of the potassium titanate whiskers can effectively reduce the use amount of carbon fiber, reduce the material production costs, and significantly reduce the costs, while reducing environmental pollution. In addition, the preparation process provided by the invention is simple, and the prepared composite material has high wear resistance, high heat resistance and excellent dimensional stability. The preparation process is simple and suitable for large-scale industrial production.

Description

technical field [0001] The invention belongs to the field of modification of engineering plastics, and specifically provides a wear-resistant and heat-resistant potassium titanate whisker-modified carbon fiber composite material and a preparation method thereof. Background technique [0002] Carbon fiber is a fiber composed of more than 90% carbon elements. It has the characteristics of high specific strength, high specific modulus and small thermal expansion coefficient. It can be used in aerospace, electronic and electrical appliances after being composited with resin, metal or ceramic substrates The high-end products of cutting-edge disciplines, such as cutting-edge disciplines, can also be used in emerging fields such as drilling platforms, building materials and wind power generation. Among them, carbon fiber modified polyamide composite materials have excellent performance in terms of mechanical strength, but with the application and promotion of carbon fiber materials...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08K13/04C08K7/06C08K7/08C08K5/544C08K5/18C08K5/20C08K5/526
CPCC08K13/04C08K5/103C08K5/18C08K5/20C08K5/524C08K5/526C08K5/544C08K7/06C08K7/08C08K2201/004C08L2201/08C08L2205/02C08L77/02C08L77/06
Inventor 杨桂生李枭姚晨光
Owner HEFEI GENIUS NEW MATERIALS