Compound flexible conductive fabric, preparation method of conductive fabric and flexible sensor of conductive fabric

A flexible conductive and flexible fabric technology, which is applied in the field of flexible mechanical sensors, composite flexible conductive fabrics, and flexible conductive fabric preparation, can solve problems such as damage and low toughness, and achieve the effects of simple process, enhanced conductivity, and easy distinction.

Inactive Publication Date: 2018-11-13
广安欧奇仕电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the film layer is based on silica gel material, its toughness is low, and it is easily damaged by external forces such as pulling and friction.

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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  • Compound flexible conductive fabric, preparation method of conductive fabric and flexible sensor of conductive fabric
  • Compound flexible conductive fabric, preparation method of conductive fabric and flexible sensor of conductive fabric
  • Compound flexible conductive fabric, preparation method of conductive fabric and flexible sensor of conductive fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of composite flexible conductive fabric, its preparation method comprises the following steps:

[0032] (1) Get 0.2g multi-walled carbon nanotubes;

[0033] (2) Place it in 40ml of DMF solvent, successively shear and stir for 30min, and ultrasonically disperse for 1h to obtain a uniformly dispersed carbon nanotube dispersion;

[0034] (3) Soak the cyanoacrylate non-woven fabric in the carbon nanotube dispersion prepared in step (2), and then dry it for 5 minutes. The soaking is accompanied by ultrasonic treatment, and the drying temperature is 60°C. , and the drying time is 3 hours to obtain;

[0035] A flexible mechanical sensor comprises the composite flexible conductive fabric prepared above.

Embodiment 2

[0037] (1) Get 0.8g multi-walled carbon nanotubes;

[0038] (2) placing it in 40ml of ethanol solvent, followed by shearing and stirring for 30min, and ultrasonic dispersion for 1h to obtain a uniformly dispersed carbon nanotube dispersion;

[0039] (3) Soak the polyacrylonitrile non-woven fabric in the carbon nanotube dispersion prepared in step (2), and then dry it for 8 minutes. The soaking is accompanied by ultrasonic treatment, and the drying temperature is 80°C. Drying time is 3 hours, obtains;

[0040] A flexible mechanical sensor comprises the composite flexible conductive fabric prepared above.

Embodiment 3

[0042] (1) Get 1.4g multi-walled carbon nanotubes;

[0043] (2) Place it in 40ml of DMF solvent, successively shear and stir for 30min, and ultrasonically disperse for 1h to obtain a uniformly dispersed carbon nanotube dispersion;

[0044] (3) Soak the cyanoacrylate non-woven fabric in the carbon nanotube dispersion prepared in step (2), and then dry it for 10 minutes. The soaking is accompanied by ultrasonic treatment, and the drying temperature is 80°C. , and the drying time is 2 hours to obtain;

[0045] A flexible mechanical sensor comprises the composite flexible conductive fabric prepared above.

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Abstract

The invention provides a compound flexible conductive fabric, a flexible mechanical sensor and a preparation method of the compound flexible conductive fabric. The compound flexible conductive fabricis a flexible fabric with the surface modified by carbon nanotubes; the preparation method comprises the main steps: placing the flexible fabric into a dispersion solution of the carbon nanotubes, andimmersing and drying to prepare the flexible conductive fabric, wherein the immersion time is 15 to 15min, ultrasonic treatment is carried out in an immersion process, the drying temperature is 60 to100 DEG C and the drying time is 1 to 3h. The flexible mechanical sensor is prepared by utilizing the compound flexible conductive fabric. A preparation technology of the compound flexible conductivefabric, provided by the invention, is simple and the cost is low, so that continuous large-scale production can be realized; the flexible mechanical sensor based on the compound flexible conductive fabric, provided by the invention, can be used for simultaneously inducing and distinguishing pressure and a friction force; the sensor has high sensitivity and strong tolerance and is not easy to damage.

Description

technical field [0001] The invention belongs to the field of composite flexible functional electronic materials and flexible sensors, and in particular relates to a composite flexible conductive fabric, a preparation method of the flexible conductive fabric and a flexible mechanical sensor. Background technique [0002] Sensors such as pressure sensors and displacement sensors have been widely used in industrial production, automobiles, electronics, aerospace and other fields. With the change of sensor applications and the development of sensor technology, flexible sensors with various functions are emerging and developing rapidly. Flexible and wearable sensors show broad application prospects in the fields of intelligent robots, electronic skin, electronic bionics, and portable medical health. Among them, flexible mechanical sensors, as a new type of electronic skin, are especially suitable for application development in the fields of bionic touch, self-feedback control of...

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): D06M11/74G01L1/18D06M101/20D06M101/28D06M101/24D06M101/34D06M101/32
CPCD06M11/74D06M2101/20D06M2101/24D06M2101/28D06M2101/32D06M2101/34G01L1/18
Inventor 王维曹波华李明慕春红宋远强
Owner 广安欧奇仕电子科技有限公司
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