Graphene composite fiber

A graphene composite and composite fiber technology, which is applied in the field of fiber materials, can solve problems such as easy agglomeration, structural conductive defects, and unfavorable overall performance, and achieve the effects of comprehensive performance improvement, significant conductivity, and high conductivity

Inactive Publication Date: 2017-10-17
GUANGZHOU ZHONGCHENG NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the process of preparing graphene composite fibers, graphene (rGO) obtained through the reduction of graphene oxide still has structural conductiv

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0034] The preparation method of the graphene composite fiber described in this application mainly includes the following steps:

[0035] 1. Nanocrystalline cellulose, polyaniline assisted reduction of graphene oxide:

[0036] First, use the modified Hummers method to prepare graphene oxide (GO), and then dilute the prepared graphene oxide (GO) aqueous dispersion and nanocrystalline cellulose aqueous dispersion to 1 mg / mg and 3 mg / ml, respectively , Disperse them separately for 1h by ultrasonic, add 50ml of each to the flask and mix, then add 0.45g of polyaniline, disperse ultrasonically for 3h, then add 0.8ml of hydrazine hydrate, and after magnetic stirring at 90℃ for 5h, the rotary steaming will be suitable Concentration and drying to obtain reduced graphene oxide (rGO);

[0037] 2. Preparation of thermoplastic polyurethane composite spinning solution:

[0038] Mix N,N-dimethylformamide and acetone in a volume ratio of 6:5 as a solvent, add the corresponding mass of polyurethane, ...

Example Embodiment

[0040] Example 1

[0041] The preparation method of the graphene composite fiber described in this application mainly includes the following steps:

[0042] 1. Nanocrystalline cellulose, polyaniline assisted reduction of graphene oxide:

[0043] First, use the modified Hummers method to prepare graphene oxide (GO), and then dilute the prepared graphene oxide (GO) aqueous dispersion and nanocrystalline cellulose aqueous dispersion to 1 mg / mg and 3 mg / ml, respectively , Disperse them separately for 1h by ultrasonic, add 50ml of each to the flask and mix, then add 0.45g of polyaniline, disperse ultrasonically for 3h, then add 0.8ml of hydrazine hydrate, and after magnetic stirring at 90℃ for 5h, the rotary steaming will be suitable Concentration and drying to obtain reduced graphene oxide (rGO);

[0044] 2. Preparation of thermoplastic polyurethane composite spinning solution:

[0045] Mix N,N-dimethylformamide and acetone in a volume ratio of 6:5 as a solvent, add the corresponding mass...

Example Embodiment

[0047] Example 2

[0048] The preparation method of the graphene composite fiber described in this application mainly includes the following steps:

[0049] 1. Nanocrystalline cellulose, polyaniline assisted reduction of graphene oxide:

[0050] First, use the modified Hummers method to prepare graphene oxide (GO), and then dilute the prepared graphene oxide (GO) aqueous dispersion and nanocrystalline cellulose aqueous dispersion to 1 mg / mg and 3 mg / ml, respectively , Disperse them separately for 1h by ultrasonic, add 50ml of each to the flask and mix, then add 0.45g of polyaniline, disperse ultrasonically for 3h, then add 0.8ml of hydrazine hydrate, and after magnetic stirring at 90℃ for 5h, the rotary steaming will be suitable Concentration and drying to obtain reduced graphene oxide (rGO);

[0051] 2. Preparation of thermoplastic polyurethane composite spinning solution:

[0052] Mix N,N-dimethylformamide and acetone in a volume ratio of 6:5 as a solvent, add the corresponding mass...

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Abstract

The application relates to a graphene composite fiber, which is a graphene/nanocrystalline cellulose/polyaniline/thermoplastic polyurethane composite fiber, wherein the graphene composite fiber has a mesoporous structure, and the graphene composite fiber Also includes carbon nanotubes, TiO2 nanoparticles, Fe3O4 nanoparticles.

Description

technical field [0001] The present application relates to the field of fiber materials, in particular to a graphene composite fiber. Background technique [0002] Graphene, as the most basic structural unit of all carbon materials, has a true monoatomic layer thickness and strict two-dimensional structure, and has high mechanical strength, elasticity, thermal conductivity, and electrical conductivity. Graphene is a kind of material with excellent physical and chemical properties. It has attracted extensive attention since its discovery. [0003] From the perspective of practical application, it is undoubtedly of practical significance to transform nano-graphene materials into macroscopic structural materials. Graphene can be used as an ideal filler to prepare high-performance fibers, aerogels, films, composite fibers, etc., and graphene composite fibers have excellent comprehensive properties. [0004] However, in the process of preparing graphene composite fibers, graphen...

Claims

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Application Information

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IPC IPC(8): D01F6/94D01F1/09D01F1/10D01D1/02
CPCD01F6/94D01D1/02D01F1/09D01F1/10D01F1/103D01F1/106
Inventor 钟敏丽黄钊维罗湘军刘林
Owner GUANGZHOU ZHONGCHENG NEW MATERIALS TECH
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