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Carbon nanotube-graphene conductive fiber

A carbon nanotube and conductive fiber technology, applied in the field of fibers, can solve the problems of unstable electrical conductivity, uneven sizing on the surface of fiber filaments, uneven fiber fineness and easy brittleness, etc., to improve electrical conductivity and excellent electrical conductivity. , the effect of enhancing adhesion

Inactive Publication Date: 2021-06-18
浙江日方纳米生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] For this reason, the present invention provides a kind of carbon nanotube-graphene conductive fiber, to solve the problem that graphene is added in the existing carbon nanotube dyestuff as conductive additive to make the sizing amount on the surface of the fiber precursor uneven and the conductive performance Unstable, the problem of uneven fiber size and brittleness after sizing

Method used

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  • Carbon nanotube-graphene conductive fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] (1) Add 10 parts of deionized water, 20 parts of 2.5% aqueous graphene dispersion, and 1 part of polycarboxylate ammonium salt dispersant into the stirring tank, and stir at room temperature for 40 minutes at a stirring rate of 800 rpm; then add 40 parts 10% carbon nanotube dispersion, stirred at 1200rpm for 120min.

[0061] (2) Grinding the mixture obtained in step (1) until the fineness of the mixture is less than 1 μm.

[0062] (3) Add 4 parts of acrylate copolymer emulsion and 0.1 part of defoamer to the mixture obtained in step (2), stir at 800 rpm for 90 min, and adjust the pH to 8.5. The acrylate copolymer emulsion contains 1 part of acrylate copolymer, 2.96 parts of deionized water, and 0.04 part of ethanol. After the slurry configuration is completed, it is transferred to the size tank of the fiber sizing machine.

[0063] (4) Select 300Dtex DTY filaments for sizing and dyeing. The temperature of the size tank is 25°C, the speed of the machine is 25m˙min-1, t...

Embodiment 2

[0065] (1) Add 2 parts of deionized water, 15 parts of 2.5% water-based graphene dispersion, 0.8 part of polycarboxylate ammonium salt dispersant into the stirring tank, at room temperature, stir for 40min at a stirring rate of 800rpm; then add 25 parts 10% carbon nanotube dispersion, stirred at 1200rpm for 120min.

[0066] (2) Grinding the mixture obtained in step (1) until the fineness of the mixture is less than 1 μm.

[0067] (3) Add 3 parts of acrylate copolymer emulsion and 0.05 part of defoamer to the mixture obtained in step (2), stir at 800 rpm for 90 min, and adjust the pH to 8.5. The acrylate copolymer emulsion contains 0.75 parts of acrylate copolymer, 2.22 parts of deionized water and 0.03 part of ethanol. After the slurry configuration is completed, it is transferred to the size tank of the fiber sizing machine.

[0068] (4) Select 300Dtex DTY filaments for sizing and dyeing. The temperature of the size tank is 25°C, the speed of the machine is 25m˙min-1, the t...

Embodiment 3

[0070] (1) Add 15 parts of deionized water, 10 parts of 2.5% aqueous graphene dispersion, and 0.3 parts of polycarboxylate ammonium salt dispersant into the stirring tank, and stir at room temperature for 40 minutes at a stirring rate of 800 rpm; then add 20 parts of 10% carbon nanotube dispersion, stirred at 1200rpm for 120min.

[0071] (2) Grinding the mixture obtained in step (1) until the fineness of the mixture is less than 1 μm.

[0072] (3) Add 2 parts of acrylate copolymer emulsion and 0.05 part of defoamer to the mixture obtained in step (2), stir at 800 rpm for 90 min, and adjust the pH to 8.5. The acrylate copolymer emulsion contains 0.5 part of acrylate copolymer, 1.48 part of deionized water, and 0.02 part of ethanol. After the slurry configuration is completed, it is transferred to the size tank of the fiber sizing machine.

[0073] (4) Select 200Dtex DTY filaments for sizing and dyeing, the temperature of the size tank is 25°C, and the speed is 25m˙min -1 , t...

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Abstract

The invention discloses carbon nanotube-graphene conductive fiber. The raw materials of the carbon nanotube-graphene conductive fiber include water-based carbon nanotube dispersion liquid, water-based graphene dispersion liquid, deionized water, an anionic dispersant, an acrylate copolymer emulsion and an auxiliary agent. The carbon nanotube-graphene conductive fiber is prepared from the raw materials according to a certain proportion. The carbon nanotube-graphene conductive fiber provided by the invention has excellent conductivity, and the conductivity reaches 100-300 omega.cm<-1>. Carbon nanotubes and graphene in dye can fully permeate into a fiber precursor as conductive particles and adsorb and coat the surface layer of single fiber, and carbon nanotube-graphene dyeing paste forms a three-dimensional conductive network on the fiber surface, so that the adhesive force of the fiber is enhanced, and the conductivity of the fiber is improved.

Description

technical field [0001] The invention relates to the field of fiber technology, in particular to a carbon nanotube-graphene conductive fiber. Background technique [0002] Conductive fiber is a functional fiber that eliminates static electricity through electron conduction and corona discharge. It usually means that under standard conditions, the resistivity is less than 10 7 Fibers of Ω cm meet the requirements of conductive fibers. Conductive fabrics made of conductive fibers also have excellent functions such as electrical conduction, heat conduction, shielding, and electromagnetic wave absorption, and are widely used in various industries. According to the difference in the composition of the conductive fiber, it can be divided into metal conductive fiber, carbon conductive fiber, organic polymer conductive fiber and composite conductive fiber. [0003] There are two types of commonly used methods for manufacturing conductive fibers. One is to prepare conductive masterb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/74D06M15/263D06M101/40
CPCD06M11/74D06M15/263D06M2101/40
Inventor 唐学坚高勤邢平星张笑
Owner 浙江日方纳米生物技术有限公司