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Graphene, CNT (carbon nano tube) and bio-based nylon ternary composite material and preparation method thereof

A bio-based nylon and graphene carbon technology, applied in the field of nylon composite materials, can solve the problems of low low-temperature impact strength and poor heat resistance, and achieve excellent performance, increase biocompatibility, excellent mechanical properties and electrical properties.

Active Publication Date: 2016-08-24
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a graphene carbon nanotube bio-based nylon ternary composite material to solve the defects of poor heat resistance and low low temperature impact strength existing in the prior art

Method used

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  • Graphene, CNT (carbon nano tube) and bio-based nylon ternary composite material and preparation method thereof
  • Graphene, CNT (carbon nano tube) and bio-based nylon ternary composite material and preparation method thereof
  • Graphene, CNT (carbon nano tube) and bio-based nylon ternary composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Example 1 Preparation of graphene carbon nanotube bio-based nylon ternary composite material by in-situ polymerization

[0049] (1) Combination of amino acid and graphene:

[0050] Weigh 50 mg of carboxylated graphene, and ultrasonically disperse the carboxylated graphene in ethanol to obtain a uniformly dispersed carboxylated graphene suspension; then add 5 times the mass of glutamic acid, and ultrasonicate for 30 minutes at 50°C to make the amino acid and graphite Graphene was mixed evenly, and then kept in a microwave reactor at 50°C to continue the ultrasonic reaction for 10 minutes to obtain a mixed solution of glutamic acid and carboxylated graphene bonded to each other.

[0051] (2) Compounding of amino acid and carbon nanotubes:

[0052] Weigh 50 mg of hydroxylated carbon nanotubes, and ultrasonically disperse the hydroxylated carbon nanotubes in ethanol to obtain a uniformly dispersed suspension of hydroxylated carbon nanotubes; The tubes were mixed evenly, a...

Embodiment 2

[0057] Example 2 Preparation of graphene carbon nanotube bio-based nylon ternary composite material by in-situ polymerization

[0058] (1) Combination of amino acid and graphene:

[0059] Weigh 50 mg of carboxylated graphene, and ultrasonically disperse the carboxylated graphene in ethanol to obtain a uniformly dispersed carboxylated graphene suspension; then add 3 times the mass of glutamic acid, and ultrasonically 30 minutes to mix the amino acid and graphene evenly , and then let it maintain 50° C. in a microwave reactor and continue ultrasonic reaction for 10 minutes to obtain a mixed solution of glutamic acid and carboxylated graphene bonded to each other.

[0060] (2) Compounding of amino acid and carbon nanotubes:

[0061] Weigh 50 mg of hydroxylated carbon nanotubes, and ultrasonically disperse the hydroxylated carbon nanotubes in ethanol to obtain a uniformly dispersed suspension of hydroxylated carbon nanotubes; The nanotubes were mixed evenly, and then kept in a m...

Embodiment 3

[0066] Example 3 Preparation of graphene carbon nanotube bio-based nylon ternary composites by in-situ polymerization

[0067] (1) Combination of amino acid and graphene:

[0068] Weigh 50 mg of carboxylated graphene, and ultrasonically disperse the carboxylated graphene in ethanol to obtain a uniformly dispersed carboxylated graphene suspension; then add 3 times the mass of glutamic acid, and ultrasonically 30 minutes to mix the amino acid and graphene evenly , and then let it maintain 50° C. in a microwave reactor and continue ultrasonic reaction for 10 minutes to obtain a mixed solution of glutamic acid and carboxylated graphene bonded to each other.

[0069] (2) Compounding of amino acid and carbon nanotubes:

[0070] Weigh 50 mg of hydroxylated carbon nanotubes, and ultrasonically disperse the hydroxylated carbon nanotubes in ethanol to obtain a uniformly dispersed suspension of hydroxylated carbon nanotubes; The nanotubes were mixed evenly, and then kept in a microwave...

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Abstract

The invention discloses a graphene, CNT (carbon nano tube) and bio-based nylon ternary composite material and a preparation method thereof. The surface of a CNT / graphene is modified, so that the solubility of the CNT / graphene in an organic solvent is improved; then the CNT / graphene is linked with diamine and diacid, finally, in-site polymerization is performed, and the graphene, CNT and bio-based nylon ternary composite material is synthesized. Compared with the prior art, the composite material shows more excellent performance than any single materials, such as better isotropic heat conductivity, isotropic electrical conductivity, a three-dimensional space microporous network and better mechanical performance. Besides, the method is simple to operate and easy to popularize.

Description

technical field [0001] The invention belongs to the field of nylon composite materials, and in particular relates to a graphene carbon nanotube bio-based nylon ternary composite material and a preparation method thereof. Background technique [0002] Carbon nanotubes (CNTs) and graphene (Graphene) are common materials, which were discovered in 1991 and 2004 respectively, and have been paid attention to since material discovery. Carbon nanotubes are one-dimensional molecular materials with a relatively special structure. The diameter of the material can be at the nanometer level, and the axial size is at the micronano level. Both ends of the tube are sealed to ensure that the carbon nanotube material has sufficient strength. . The carbon-based two-dimensional crystal of graphene is the formation of SP 2 Primitives for hybrid carbonaceous materials. This primitive can be used to construct zero-dimensional fullerenes, one-dimensional carbon nanotubes and three-dimensional gr...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L77/02C08K13/06C08K9/04C08K3/04C08K7/24C08K5/13C08K5/526C08G69/08C08G69/10
CPCC08G69/08C08G69/10C08L77/06C08L2205/02C08L77/02C08K13/06C08K9/04C08K3/04C08K7/24C08K5/13C08K5/526
Inventor 郭凯王海鑫朱宁胡欣方正弓桦
Owner NANJING UNIV OF TECH
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