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A kind of polymer conductive fabric modified by graphene based on thermal reduction method and its preparation method

A polymer conductive and graphene technology, applied in textiles and papermaking, fiber types, fiber processing, etc., can solve the problems of complex processes, many processes, conductive fibers and more conductive nanomaterials, etc., to achieve simple preparation methods and good durability. , the effect of strong operability

Active Publication Date: 2019-08-06
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conductive fibers prepared by these methods will affect the strength and conductivity of fibers or fabrics
Patent CN 102978742 A prepares conductive polyester fibers by adding conductive nanoparticles to polyester; however, this method requires more conductive nanomaterials to prepare conductive fibers, and requires good control of the spinning process, product forming rate and pass rate Both decreased
Patent CN 103334294A prepares a kind of flame-retardant conductive fiber by post-processing method, but the process of this method is very complicated, there are many processes, and it has a certain impact on the environment

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of polymer conductive fabric modified by graphene based on thermal reduction method and its preparation method
  • A kind of polymer conductive fabric modified by graphene based on thermal reduction method and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 0.5 g of graphene oxide was added to 50 g of a 50% ethanol aqueous solution by mass fraction to prepare a graphene oxide suspension. The polyphenylene sulfide fabric was soaked in the graphene oxide suspension for 5 minutes, and then the soaked polymer fabric was dried in a blast oven at 90°C for 5 minutes, and the above soaking-drying process was repeated 10 times. Put the high-temperature-resistant polymer fabric that has undergone the soaking-drying process in a tube furnaceN 2 Heating at 200° C. for 2 hours under the atmosphere, the graphene oxide is thermally reduced to graphene, that is, a polymer conductive fabric is prepared. The electrical conductivity of the fabric was 0.0133 S / cm. In this embodiment, the surface morphology before and after fabric modification is as follows figure 1 shown.

Embodiment 2

[0028] 1 g of graphene oxide was added to 50 g of an 80% aqueous acetic acid solution by mass fraction to prepare a graphene oxide suspension. The polyphenylene sulfide fabric was soaked in the graphene oxide suspension for 10 minutes, and then the soaked polymer fabric was dried in a blast oven at 90°C for 10 minutes, and the above soaking-drying process was repeated 5 times. Put the high-temperature-resistant polymer fabric that has undergone the soaking-drying process in a tube furnaceN 2 Heating at 250° C. for 3 hours under the atmosphere, the graphene oxide is thermally reduced to graphene, that is, a polymer conductive fabric is prepared. The electrical conductivity of the fabric was 0.0201 S / cm.

Embodiment 3

[0030] 1.5 g of graphene oxide was added to 50 g of acetone aqueous solution with a mass fraction of 60%, to prepare a graphene oxide suspension. The polyetheretherketone fabric was soaked in the graphene oxide suspension for 15 minutes, and then the soaked polymer fabric was dried in a blast oven at 90°C for 5 minutes, and the above soaking-drying process was repeated 10 times. Put the high-temperature-resistant polymer fabric that has undergone the soaking-drying process in a tube furnaceN 2 Heating at 280° C. for 3 hours in the atmosphere, thermally reducing graphene oxide to graphene, that is, preparing a polymer conductive fabric. The electrical conductivity of the fabric was 0.0213 S / cm. The good durability of this prepared fabric, after ultrasonic treatment 420min, electrical conductivity remains on 0.6S / m, and tends toward equilibrium (as figure 2 shown). The prepared fabrics, the yarns in which the mechanical properties remain unchanged at different reduction time...

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Abstract

The invention relates to graphene modified polymer conducting fabric based on a thermal reduction method and a preparation method thereof. The graphene modified polymer conducting fabric is prepared from the following ingredients in percentage by mass: 99 to 99.99 percent of polymer fabric and 0.01 to 1 percent of graphene oxide. The preparation method comprises the following steps of dissolving the graphene oxide in a solvent, thus obtaining a graphene oxide suspension solution; uniformly coating the surface of the polymer fabric with the graphene oxide suspension solution through a pad dyeing-drying circulation technology; heating the obtained fabric at 200 to 300 DEG C under a nitrogen atmosphere, and reacting for 2 to 3 hours, thus obtaining the graphene modified polymer conducting fabric based on the thermal reduction method. The preparation method disclosed by the invention is simple, convenient and environment-friendly, and the operability is strong; the obtained fabric is high in conductivity and has good durability.

Description

technical field [0001] The invention belongs to the field of surface modification of polymer fabrics, in particular to a polymer conductive fabric modified by thermal reduction method graphene and a preparation method thereof. Background technique [0002] Most polymer materials are insulating materials, and chemical fibers made of polymer materials are also insulating. During the use of these fibers, static electricity continues to accumulate, but the charge cannot be released, and eventually discharges with a high potential, which has serious consequences for special occasions such as the petrochemical industry and the chemical industry. [0003] The preparation of conductive fibers and fabrics is usually to form a semiconductor thin layer on the surface of the fibers by chemical methods or to mix conductive particles into the spinning melt, and to make conductive fibers with a skin-core structure or an island-in-the-sea structure by composite spinning. However, the condu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M11/74D06M101/30D06M101/36D06M101/32
CPCD06M11/74D06M2101/30D06M2101/32D06M2101/36
Inventor 朱美芳胡泽旭相恒学周家良陈姿晔杨凌涛
Owner DONGHUA UNIV
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