A kind of flexible and wearable dry electrode and preparation method thereof

Abstract

The invention provides a flexible and wearable dry electrode and a preparation method thereof. A flexible and wearable dry electrode, including sequentially laminated base cloth, transfer printing gel layer and nano conductive layer; the formula of transfer printing gel layer: by weight percentage, elastic resin 50% ~ 90%, curing agent 5 % to 15%, filler 5% to 35%; formula of nano conductive layer: by weight, 0.1 to 20 parts of conductive nano material, 0.1 to 30 parts of dispersant, and 0.01 to 5 parts of adhesive. Its preparation method is: prepare conductive coating solution and transfer printing gel respectively, then transfer the two on the flexible release film in turn, and finally press them on the basic fabric, then solidify, and tear off the release film to obtain . The invention has the characteristics of high electrical conductivity, good flexibility, high environmental tolerance, long-term stability, washing resistance and rubbing resistance, and can be arbitrarily cut according to the needs of clothing, and has strong versatility.

Description

technical field [0001] The invention relates to the field of flexible electrode materials, in particular to a flexible wearable dry electrode and a preparation method thereof. Background technique [0002] With social progress and economic development, the mobility and intelligence of medical equipment has become an irreversible trend, especially the intelligence, mobility, and home use of ECG, EEG, and EMG equipment that are closely related to human health. change. However, whether it is the ECG electrodes, EEG electrodes, and EMG electrodes widely used in clinical medicine, or the conductive rubber used in the heart rate belts worn by ordinary people during exercise, there are many insurmountable problems. [0003] For example, most of the ECG electrodes used in clinical practice are disposable Ag / AgCl electrodes with conductive paste. Although such electrodes can provide medical personnel with short-term and reliable ECG signals, they are discarded after one use. At the...

AI Technical Summary

Problems solved by technology

However, in the existing reports, the following problems have not been effectively solved: (1) Washability, rubbing resistance, and stretchability. Whether it is medical monitoring or sports monitoring, wearable electrodes need to be able to be cleaned repeatedly And effectively maintain its characteristics; and the electrode will inevitably be pulled when placed on the clothing, requiring the electrode to have good elasticity and shrinkage, and to effectively maintain the original conductive characteristics after stretching and rebounding; (2) Long-term Time stability, especially when combined with clothes, wearables require a longer lifespan, can withstand high-temperature ironing, direct sunlight, etc., and basically maintain the same lifespan as clothes; (3) Flexibility and Comfort, as a part in direct contact with human skin, the electrode needs to have sufficient flexibility to reduce friction, and at the same time avoid causing skin allergies and other problems, that is, to ensure comfort; (4) human environmental tolerance, especially Electrodes in contact with the human body need to be able to withstand the erosion of human sweat

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