Preparation method of graphene electroconductive composite fiber

A conductive composite fiber, graphene composite technology, applied in the direction of fiber type, fiber treatment, plant fiber, etc., to achieve the effect of simple production process, less dosage, and easy operation

Active Publication Date: 2014-08-06
QINGDAO UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Combining graphene with textile fibers to prepare conductive composite fibers is still rarely reported

Method used

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  • Preparation method of graphene electroconductive composite fiber

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[0016] A specific embodiment of the preparation method of a graphene conductive composite fiber of the present invention, comprising the steps of surface modification of textile fiber, preparation of graphene dispersion system, and preparation of graphene composite fiber carried out in sequence;

[0017] The surface modification process of textile fibers is as follows: soak the textile fibers in a solution of silane coupling agent KH560 with a concentration of 1%-30% for 2-3 hours, place them in an oven at 50-65°C and dry them to obtain a surfactant Modified textile fibers;

[0018] The preparation process of the graphene dispersion system is as follows: the graphene oxide aqueous solution prepared by the Hummer's method is prepared by a chemical reduction method to prepare graphene, and a uniform and stable graphene dispersion system is prepared under the action of a dispersant, and its concentration is 0.1%-5%. ;

[0019] The preparation process of the graphene composite fi...

Embodiment 1

[0021] Embodiment 1: a kind of preparation method of graphene conductive composite polyester fiber, comprising the polyester fiber surface modification process, graphene dispersion system preparation process and graphene polyester composite fiber preparation process carried out successively, wherein:

[0022] The polyester fiber surface modification process is as follows: soak the polyester fiber in a 30% silane coupling agent KH560 solution for 3 hours, place it in a 65°C oven and dry it to obtain a surfactant-modified polyester fiber; silane The coupling agent KH560 solution is a water-alcohol mixed solution, and the water-alcohol ratio is 1:5;

[0023] The preparation process of the graphene dispersion system is as follows: the concentration of the graphene oxide aqueous solution prepared by the Hummer's method is 0.5%, and the graphene is prepared by a chemical reduction method, the reducing agent is hydrazine hydrate, the reduction temperature is 90 ° C, and the reduction ...

Embodiment 2

[0025] Embodiment 2: a kind of preparation method of graphene conductive composite cotton fiber, comprises the cotton fiber surface modification operation carried out successively, graphene dispersion system preparation operation and graphene cotton composite fiber preparation operation, wherein:

[0026] The cotton fiber surface modification process is as follows: soak the cotton fiber in a 20% silane coupling agent KH560 solution for 3 hours, place it in a 65°C oven and dry it to obtain a surfactant-modified cotton fiber; silane The coupling agent KH560 solution is a water-alcohol mixed solution, and the water-alcohol ratio is 1:3;

[0027] The preparation process of the graphene dispersion system is as follows: the concentration of the graphene oxide aqueous solution prepared by the Hummer's method is 1%, the graphene is prepared by the chemical reduction method, the reducing agent is hydroiodic acid, the reduction temperature is 90 ° C, the reduction time is 4 hours, and A...

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Abstract

The invention provides a preparation method of a graphene electroconductive composite fiber. The method is characterized by comprising the following procedures: in a textile fiber surface modification procedure, a textile fiber is soaked into a silane coupling agent KH560 solution with the concentration of 1-30 percent for 2-3 hours and then is put into an oven of 50-65 DEG C to be dried to prepare the surfactant modified textile fiber; in a graphene dispersion system preparation procedure, graphene is prepared from an oxidized graphene aqueous solution prepared by means of a Hummer's method in a chemical reduction method, and a uniform and stable graphene dispersion system with the concentration of 0.1-5 percent is prepared under the function of a dispersing agent; in a graphene composite fiber preparation procedure, the modified textile fiber is soaked in the graphene dispersion system for 2-3 hours and then put into the oven of 50-65 DEG C to be dried to obtain the graphene electroconductive composite fiber. The preparation method is simple and reasonable in process, easy to operate, high in yield, high in reduction degree and high in conductivity and anti-radiation performance; the using amount of graphene is less and the dispersion system is uniform and stable.

Description

technical field [0001] The invention belongs to the technical field of textile product manufacturing, and in particular relates to functional fiber processing technology, in particular to a preparation method of graphene conductive composite fiber. Background technique [0002] Conductive fibers have always been a research hotspot for functional fibers, generally referring to resistivity less than 10 8 The fiber of Ω·cm has the functions of conduction, electric heating and anti-electromagnetic radiation, and is usually concentrated in the fields of anti-static clothing or anti-electromagnetic radiation clothing used in special occasions. [0003] The main methods for the manufacture of conductive fibers include: one is to coat the surface of conventional fibers with conductive components, and the other is to mix conductive materials with fiber raw materials and make conductive fibers by spinning. The method of coating the conductive layer on the surface of the fiber is to c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/513D06M11/74D06M101/32D06M101/06
Inventor 曲丽君田明伟孙凯凯孙亚宁张宪胜朱士凤韩光亭
Owner QINGDAO UNIV
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