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Preparation method of graphene/polyaniline covalent binding conductive fabric

A technology of covalent bonding and flexible conduction, which is applied in the direction of plant fibers, animal fibers, textiles and papermaking, etc., can solve the problems of not very strong conductivity, poor heat resistance and stability, etc., and achieve easy operation, simple technical solutions, and broad The effect of applying the foreground

Active Publication Date: 2015-01-28
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the pure graphene conductive fabric must be uniformly covered with a sufficient amount of graphene before the fabric has better conductivity and uniformity of conductivity; the pure polyaniline conductive fabric also has poor heat resistance and stability. , conductivity is not a strong problem

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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  • Preparation method of graphene/polyaniline covalent binding conductive fabric

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Embodiment 1

[0021] A kind of preparation method of graphene / polyaniline covalently combining flexible conductive fabric, its process is as follows:

[0022] (1) Prepare a uniform mixed solution of graphene oxide and anionic surfactant: add 0.2 mass parts of anionic surfactant and 0.1 mass part of sulfuric acid into the graphene oxide of 0.4 mass parts, at 40 ℃, 800W Ultrasonic reaction under power for 1h, to obtain a uniform mixed solution of graphene oxide or its derivatives and anionic surfactant;

[0023] (2) p-Phenylenediamine grafted graphene oxide or its derivatives: 0.12 parts by mass of p-phenylenediamine and 0.06 parts by mass of thionyl chloride were added to the solution obtained in (1), at 50 ° C under nitrogen Reaction 4h under the protection of p-phenylenediamine grafted graphene oxide or its derivatives;

[0024] (3) Preparation of fabrics grafted with p-phenylenediamine-reduced graphene oxide: immerse the fabrics in the solution obtained in (2), the immersion temperature ...

Embodiment 2

[0027] A kind of preparation method of graphene / polyaniline covalently combining flexible conductive fabric, its process is as follows:

[0028] (1) prepare the homogeneous mixed solution of carboxylated graphene oxide and anionic surfactant: the anionic surfactant of 0.1 mass part, the sulfuric acid of 0.2 mass part, join in the carboxylated graphene oxide of 0.3 mass part, in Ultrasonic reaction at 30°C and 500W power for 2 hours to obtain a uniform mixed solution of carboxylated graphene oxide or its derivatives and anionic surfactant;

[0029] (2) p-Phenylenediamine grafted with carboxylated graphene oxide: add 0.08 parts by mass of p-phenylenediamine and 0.04 parts by mass of thionyl chloride to the solution obtained in (1), and place it under the protection of nitrogen at 70 ° C. After reacting for 3h, p-phenylenediamine grafted carboxylated graphene oxide or its derivatives are obtained;

[0030] (3) Preparation of the fabric of carboxylated graphene oxide grafted with...

Embodiment 3

[0033] A kind of preparation method of graphene / polyaniline covalently combining flexible conductive fabric, its process is as follows:

[0034] (1) Prepare a uniform mixed solution of sulfonated graphene oxide and anionic surfactant: the anionic surfactant of 0.15 mass parts, the sulfuric acid of 0.15 mass parts, join the sulfonated graphite oxide of 0.4 mass part ene, ultrasonic reaction at 40°C and 800W power for 1.5h, to obtain a uniform mixed solution of sulfonated graphene oxide or its derivatives and anionic surfactant;

[0035] (2) p-Phenylenediamine grafted sulfonated graphene oxide: 0.13 parts by mass of p-phenylenediamine and 0.06 parts by mass of thionyl chloride were added to the solution obtained in (1), at 60 ° C under nitrogen Reaction for 8h under the protection of p-phenylenediamine grafted sulfonated graphene oxide or derivatives thereof;

[0036] (3) Preparation of the fabric of sulfonated graphene oxide grafted with p-phenylenediamine: immerse the fabric ...

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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Abstract

The invention discloses a preparation method of a graphene / polyaniline covalent binding conductive fabric, which belongs to the technical field of textile chemistry. The preparation method comprises the steps of applying oxidized graphene or oxidized graphene derivative and a reaction product of p-phenylenediamine onto the fabric to be reduced, enabling the fabric to adsorb the polyaniline monomer, enabling the in-situ polymerization of the polyaniline monomer on the fabric to form polyaniline, and enabling the polyaniline to form covalent key combination with the graphene. According to the method, a conductive layer formed by covalently combining the graphene and polyaniline can be acquired on the surface of the fabric, so that the stability of the conductive layer is improved, and the conductive fabric with excellent effect can be acquired. The method is applicable to conventional fabrics such as natural fibers including cotton, wool, silk and the like, synthesized fibers including terylene, chinlon, acrylic fibers and the like and blending of fabric or conductive arrangement of intertexture, and the prepared functional fabric can be applied to the fields of medical healthcare, intelligent sensors, mobile power generation, military and the like.

Description

technical field [0001] The invention belongs to the technical field of textile chemistry, and relates to a method for self-preparing flexible conductive fabrics by covalently combining graphene or its derivatives and high molecular conductive polymers. Background technique [0002] As a functional fabric, conductive fabric has broad application prospects in flexible electronic devices, smart materials, new solar cells and other fields. Blending and coating are the earliest methods to develop conductive textile materials. These two methods are simple to process and uniformly conductive. However, the flexibility of the finished fabric is not enough, especially the conductive fabric prepared by the coating method, which encounters strong pull during wearing. Stretching or folding can crack the coating. Therefore, the conductive finishing method of forming a flexible film on the surface of the fabric with graphene and polymerizing the surface of the fabric with a polymer conduc...

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 Applications(China)
IPC IPC(8): D06M11/73D06M15/61C08G73/02D06M101/10D06M101/06D06M101/32D06M101/12
Inventor 王潮霞曹机良任杰生殷允杰陆里
Owner JIANGNAN UNIV
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