Preparation method of aramid fiber/graphene/conductive polymer aerogel composite pressure sensing material

A technology of conductive polymers and sensing materials, applied in the preparation/purification of carbon, chemical instruments and methods, carbon compounds, etc., can solve the problems of phase separation of materials with weak binding force, affecting sensor sensitivity and cycle stability, etc., to achieve The effect of low requirements for experimental equipment, enhanced electrostatic bonding force, and high compression deformation performance
CN113201168APending Publication Date: 2021-08-03SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE
Publication Date
2021-08-03

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Abstract

The invention discloses a preparation method of an aramid fiber / graphene / conductive polymer aerogel composite pressure sensing material. The preparation method comprises the following steps of (1) preparing an aramid fiber solution, (2) preparing an aramid fiber / graphene / conductive polymer monomer solution, (3) preparing aramid fiber / graphene / conductive polymer hydrogel, (4) preparing an aramid fiber / graphene / conductive polymer aerogel initial product, and (5) preparing the aramid fiber / graphene / conductive polymer aerogel composite pressure sensing material. The aramid fiber / graphene / conductive polymer aerogel composite pressure sensing material prepared by the invention is high in conductivity and good in flexibility, and also has high compressive deformation performance and high fatigue resistance.
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Description

technical field

[0001] The invention relates to the technical field of flexible wearable electronic devices, in particular to a preparation method of an aramid fiber / graphene / conductive polymer airgel composite pressure sensing material. Background technique

[0002] Flexible pressure-sensing materials that can convert mechanical deformation into electrical signals are important structural elements in various sensing devices such as electronic skins, wearable devices, flexible displays, and biomonitors, and are also the focus of developing new, high-sensitivity sensors. Due to its excellent electrical conductivity, stability and flexibility, pressure sensing materials based on graphene and its derivatives have attracted much attention. The compressibility of graphene and its derivative materials can be achieved by various methods such as 3D printing method, freezing method, hydrothermal method, etc. However, the fatigue resistance of graphene materials is poor, and when high...

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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