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Preparation method of carbon nanotube composite material

A carbon nanotube and composite material technology, applied in the field of carbon nanotube composite materials, can solve the problems of tubular structure damage, unfavorable composite material performance, CNTS self-performance damage, etc., and achieves the effect of ensuring strength and uniform dispersion.

Inactive Publication Date: 2020-05-22
南京纳希纳米科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] A method for preparing a carbon nanotube composite material provided by the invention aims to solve the problem of modified CNT S The original tubular structure is destroyed, CNT S Its own performance is destroyed, which is not conducive to the improvement of composite material performance

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0026] A kind of composite material preparation method of carbon nanotube provided by the invention comprises the following steps:

[0027] S1, weigh 100 parts of carbon nanotubes, 100 parts of NR, 3.5 parts of zinc oxide, 2.5 parts of stearic acid, 0.3 parts of anti-scorch agent, 1.5 parts of accelerator CBS, 15 parts of sulfur, and 50 parts of carbon black according to a certain weight ratio. parts and modified CNT S (2, 5, 9, 15) copies;

[0028] S2, respectively grind the carbon nanotubes and zinc oxide through a ball mill for standby. When performing ball milling, it needs to be carried out under the protective atmosphere of adding an inert gas, and the ball-to-material ratio is 10:2, the speed is 200r / min, and the forward rotation is 20min. Then pause for 30 minutes, and then reverse for 20 minutes, so that the cycle is carried out, and the cumulative ball milling is 3-4 hours;

[0029] S3, add the carbon nanotubes and zinc oxide in the above S2 to the HAKKE torque rhe...

Embodiment 1

[0038]A composite material preparation method S1 of carbon nanotubes, comprising the following steps:

[0039] S1, weigh 100 parts of carbon nanotubes, 100 parts of NR, 3.5 parts of zinc oxide, 2.5 parts of stearic acid, 0.3 parts of anti-scorch agent, 1.5 parts of accelerator CBS, 15 parts of sulfur, and 50 parts of carbon black according to a certain weight ratio. parts and modified CNT S 2 copies;

[0040] S2, respectively grind the carbon nanotubes and zinc oxide through a ball mill for standby. When performing ball milling, it needs to be carried out under the protective atmosphere of adding an inert gas, and the ball-to-material ratio is 10:2, the speed is 200r / min, and the forward rotation is 20min. Then pause for 30 minutes, and then reverse for 20 minutes, so that the cycle is carried out, and the cumulative ball milling is 3-4 hours;

[0041] S3, add the carbon nanotubes and zinc oxide in the above S2 to the HAKKE torque rheometer for mixing, the initial temperatur...

Embodiment 2

[0045] A composite material preparation method S1 of carbon nanotubes, comprising the following steps:

[0046] S1, weigh 100 parts of carbon nanotubes, 100 parts of NR, 3.5 parts of zinc oxide, 2.5 parts of stearic acid, 0.3 parts of anti-scorch agent, 1.5 parts of accelerator CBS, 15 parts of sulfur, and 50 parts of carbon black according to a certain weight ratio. parts and modified CNT S 5 copies;

[0047] S2, respectively grind the carbon nanotubes and zinc oxide through a ball mill for standby. When performing ball milling, it needs to be carried out under the protective atmosphere of adding an inert gas, and the ball-to-material ratio is 10:2, the speed is 200r / min, and the forward rotation is 20min. Then pause for 30 minutes, and then reverse for 20 minutes, so that the cycle is carried out, and the cumulative ball milling is 3-4 hours;

[0048] S3, add the carbon nanotubes and zinc oxide in the above S2 to the HAKKE torque rheometer for mixing, the initial temperatu...

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Abstract

The invention relates to the technical field of carbon nanotube composite materials, and further discloses a preparation method of a carbon nanotube composite material. The preparation method comprises the following steps: weighing 100 parts by weight of carbon nanotubes, 100 parts by weight of NR, 3.5 parts by weight of zinc oxide, 2.5 parts by weight of stearic acid, 0.3 part by weight of an anti-scorching agent, 1.5 parts by weight of a promoter CBS, 15 parts by weight of sulfur, 50 parts by weight of carbon black and 2 / 5 / 9 / 155 parts by weight of modified CNTS. According to the invention, by improving the preparation of modified CNTS and the preparation method of the composite material, the carbon nano tube composite material is prepared, and the aromatic stacking effect is formed between the benzene rings of the CNTS and the SDBS to prevent agglomeration of the CNTS, so that the CNTS is dispersed uniformly in the matrix of the composite material and cannot be tangled with each other, the formation of a three-dimensional spatial complex structure is facilitated, and the strength of the composite material is guaranteed.

Description

technical field [0001] The invention relates to the technical field of carbon nanotube composite materials, in particular to a method for preparing a carbon nanotube composite material. Background technique [0002] With the development of modern science and more and more technical means, more and more materials are endowed with new vitality. Composite materials are composed of two or more materials with different properties through various technological means. Materials with high strength, high stiffness, good high temperature performance, more fatigue resistance and wear resistance, good damping performance and low thermal expansion coefficient are prepared by mixing the characteristics of the material. [0003] Carbon atoms in carbon nanotubes are mainly sp2 hybridized, and at the same time, the hexagonal grid structure has a certain degree of bending, forming a spatial topology, in which a certain sp3 hybridized bond can be formed, that is, the formed chemical bond has b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08K13/06C08K9/04C08K3/04C08K5/09C08K3/06C08K3/22
CPCC08K3/04C08K3/041C08K3/06C08K3/22C08K5/09C08K9/04C08K13/06C08K2003/2296C08L7/00
Inventor 蒋相德蒋连萍
Owner 南京纳希纳米科技有限公司