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Electric conduction paste and preparation method thereof

A technology of conductive paste and conductive components, used in electrotherapy, conductive adhesives, electrodes, etc., can solve problems such as pollution and cross-infection, and achieve the effects of easy dispersion, strong conductivity, and excellent disinfection and bacteriostatic properties.

Inactive Publication Date: 2017-09-22
武汉星嘉源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex environment of the hospital, after opening the bottle of conductive paste, the doctor will take it repeatedly, which will inevitably lead to contamination due to operation or environmental reasons, resulting in cross-infection
There is currently no disinfectant conductive paste on the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The conductive paste provided in this embodiment is mainly made of various raw materials, including 5g sodium carboxymethylcellulose, 30g sodium chloride, 30g propylene glycol, 10g ceteareth-25, 2g p-chloro-m-xylenol and 23g water.

[0046] This embodiment also provides a method for preparing conductive paste:

[0047] Under the condition of heating at 60° C., 30 g of propylene glycol and 10 g of ceteareth-25 were mixed and then stirred and mixed with 5 g of sodium carboxymethylcellulose to prepare the first mixture. The mixing time was 15 minutes.

[0048] Under the condition of heating at 60° C., 30 g of sodium chloride was dissolved in 23 g of water and added to the first mixture at a stirring speed of 50 rpm for 3 minutes. Homogenize after stirring, the speed used is 2500 rpm, homogenize for 10 minutes. Keep at 60°C, add 2g of p-chloro-m-xylenol to the mixture after homogenization and stir evenly, finally, keep the heating condition at 60°C, vacuumize the mixture,...

Embodiment 2

[0050] The conductive paste provided in this embodiment is mainly made of various raw materials, including 1g of polyvinylpyrrolidone, 19g of potassium chloride, 35g of glycerol, 35g of polyoxyethylene (20) sorbitol, and 5g of three chlorohydroxydiphenyl ether and 5 g of water.

[0051] This embodiment also provides a method for preparing conductive paste:

[0052] Under the condition of heating at 50° C., 35 g of glycerol and 35 g of polyoxyethylene (20) sorbitol were mixed and then stirred and mixed with 1 g of polyvinylpyrrolidone to prepare the first mixture. The mixing time was 20 minutes.

[0053] Under the condition of heating at 50° C., 19 g of potassium chloride was dissolved in 5 g of water and added to the first mixture at a stirring speed of 75 rpm for 5 minutes. Homogenize after stirring, the speed used is 2000 rpm, homogenize for 8 minutes. Keep 50°C, after homogenization, add 5g of trichlorohydroxydiphenyl ether to the mixture and stir evenly, finally, keep th...

Embodiment 3

[0055] A conductive paste provided in this embodiment is mainly made of various raw materials, including 20g of binder, 5g of conductive components, 4g of humectants, 50g of surfactants, 0.1g of disinfection components, and 20.9g of water. Among them, the binder is mainly prepared from clay and xanthan gum, the conductive component is mainly prepared from potassium chloride and sodium chloride, the moisturizer is mainly prepared from propylene glycol and glycerin, and the surfactant is mainly prepared from It is prepared from lanolin and polyoxyethylene (20) sorbitol, and the disinfection component is mainly prepared from methyl p-hydroxybenzoate and ethyl p-hydroxybenzoate.

[0056] This embodiment also provides a method for preparing conductive paste:

[0057] Under the heating condition of 90° C., 4 g of humectant and 50 g of surfactant were mixed and then stirred and mixed with 20 g of binder to prepare the first mixture, and the mixing time was 5 minutes.

[0058] Under...

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Abstract

The present invention relates to the field of medical consumptive materials, particularly to an electric conduction paste and a preparation method thereof, wherein the electric conduction paste is prepared from a plurality of raw materials by mass: 1-20% of a binder, 2-30% of an electric conduction component, 4-35% of a humectant, 5-50% of a surfactant, 0.1-5% of a disinfection component, and 5-80% of water. The electric conduction paste of the present invention has advantages of high viscosity, strong conductivity, neutral pH value, skin affinity, excellent disinfection performance, and excellent antibacterial property.

Description

technical field [0001] The invention relates to the field of medical consumables, and in particular to a conductive paste and a preparation method thereof. Background technique [0002] Medical conductive paste is mainly filled between the electrode and the skin to increase the test effect by reducing the impedance. In the clinical measurement of bioelectricity (EEG, ECG, EMG), in order to reduce the influence of skin oil and stratum corneum on electrical signals, the conductive paste is filled between the electrodes and the skin, which effectively reduces the distance between the electrodes and the skin. Impedance, to ensure good contact between the electrode and the skin surface, so that the measurement signal is clear, the artifacts are small, and the noise is low, thereby enhancing the test effect. Due to the complex environment of the hospital, after opening the bottle of conductive paste, the doctor will take it repeatedly, which will inevitably lead to contamination ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K50/00
Inventor 李建辉
Owner 武汉星嘉源科技有限公司
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