Graphene conductive paste for textile-based sensor and preparation method of graphene conductive paste

A conductive paste, graphene technology, applied in conductive materials dispersed in non-conductive inorganic materials, cable/conductor manufacturing, circuits, etc. Discounts and other issues to achieve the effect of improving electrical conductivity, good adhesion, and improved water washability

Active Publication Date: 2021-06-04
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, first of all, because it uses graphene powder, the graphene powder needs to be wetted first and then dispersed, so when the powder is added to the solution, the dispersion is slow, and some parts may appear during the wetting process. Phenomenon of powder stacking and agglomeration
Secondly, although the patent also added a dispersant to assist in the dispersion, it only added the di

Method used

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  • Graphene conductive paste for textile-based sensor and preparation method of graphene conductive paste
  • Graphene conductive paste for textile-based sensor and preparation method of graphene conductive paste
  • Graphene conductive paste for textile-based sensor and preparation method of graphene conductive paste

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Embodiment 1

[0027] like figure 1 Shown, a kind of graphene conductive paste for textile-based sensor, graphene conductive paste is prepared by blending graphene solution and water-soluble polyurethane solution in a certain proportion, graphene conductive paste is graphene / The effective content ratio of polyurethane is 1% solution. The graphene solution is prepared by adding a reducing agent to the graphene oxide solution and adding a dispersant during the reduction process, and the concentration of the graphene solution is 1% by mass.

[0028] In this embodiment, the mass percent concentration of the reducing agent is 1%, the mass percent concentration of the dispersant is 0.25%, and the solvent of the graphene conductive paste is ionized water. Wherein, the reducing agent is hydrazine, and the dispersing agent is polyethylpyrrolidone K90 (PVP).

[0029] A method for preparing a graphene conductive paste for textile-based sensors, comprising the steps of:

[0030] (1) adopt improved H...

Embodiment 2

[0035] like figure 2 Shown, a kind of graphene conductive paste for textile-based sensor, graphene conductive paste is prepared by blending graphene solution and water-soluble polyurethane solution in a certain proportion, graphene conductive paste is graphene / The effective content ratio of polyurethane is 2% solution. The graphene solution is prepared by adding a reducing agent to the graphene oxide solution and adding a dispersant during the reduction process, and the concentration of the graphene solution is 2% by mass.

[0036] In this embodiment, the mass percent concentration of the reducing agent is 1%, the mass percent concentration of the dispersant is 0.25%, and the solvent of the graphene conductive paste is ionized water. Wherein, the reducing agent is methylhydrazine, and the dispersing agent is polyethylpyrrolidone K90 (PVP).

[0037] A method for preparing a graphene conductive paste for textile-based sensors, comprising the steps of:

[0038] (1) adopt imp...

Embodiment 3

[0043] like image 3 Shown, a kind of graphene conductive paste for textile-based sensor, graphene conductive paste is prepared by blending graphene solution and water-soluble polyurethane solution in a certain proportion, graphene conductive paste is graphene / The effective content ratio of polyurethane is 4% solution. The graphene solution is prepared by adding a reducing agent to the graphene oxide solution and adding a dispersant during the reduction process, and the concentration of the graphene solution is 5% by mass.

[0044] In this embodiment, the mass percent concentration of the reducing agent is 1%, the mass percent concentration of the dispersant is 0.25%, and the solvent of the graphene conductive paste is ionized water. Wherein, the reducing agent is NaOH, and the dispersing agent is polyvinylpyrrolidone K90 (PVP).

[0045] A method for preparing a graphene conductive paste for textile-based sensors, comprising the steps of:

[0046] (1) adopt improved Hummer...

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Abstract

The invention relates to the technical field of graphene conductive materials, and in particular relates to graphene conductive paste for a textile-based sensor. The graphene conductive paste is prepared by blending a graphene solution and a water-soluble polyurethane solution according to a certain proportion, the graphene conductive paste is a solution in which the effective content ratio of graphene to polyurethane is 1% to 6%, the graphene solution is prepared by adding a dispersing agent in the process of adding a reducing agent into a graphene oxide solution for reduction, and the concentration mass percent of the graphene solution is 0.1 to 5%. The invention further discloses a preparation method of the graphene conductive paste for the textile-based sensor. The graphene conductive paste prepared by the invention can be coated on textiles, such as yarns and fabrics, so that the textiles have a sensing function, have excellent conductivity, washing resistance and good thermal responsiveness, and the graphene conductive paste is worthy of wide popularization and application.

Description

technical field [0001] The invention relates to the technical field of graphene conductive materials, in particular to a graphene conductive paste for textile-based sensors and a preparation method thereof. Background technique [0002] In recent years, wearable sensors have attracted great attention due to the emergence of various applications in electronic skins, body physiological activities, human-machine interfaces, wearable medical devices, and soft robots. Emerging wearable sensing materials, according to different types of stimuli from the environment and objects, can be divided into strain sensors, pressure sensors, temperature sensors, humidity sensors, etc. Flexible strain sensors have been extensively studied. So far, the integration of sensors on clothing is usually determined by the structure and materials of the sensor, and the selection of sensing substrates and additives with excellent performance has become a top priority. [0003] As we all know, graphen...

Claims

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Application Information

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IPC IPC(8): H01B1/24H01B13/00
CPCH01B1/24H01B13/00
Inventor 曲丽君田明伟朱士凤赵洪涛张晓慧王丽红齐祥君
Owner QINGDAO UNIV
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