In-situ preparation method of self-heating flexible wearable nanofiber material

Abstract

The invention discloses an in-situ preparation method of a self-heating flexible wearable nanofiber material, and the nanofiber can be used for constructing electronic skin with self-heating and air permeability, and shows excellent self-heating performance and temperature and humidity intelligent sensing function in an intelligent wearable sensing system. Comprising the following steps: S1, cooking silk cocoons with NaHCO3 for 30 minutes, dissolving the silk cocoons in an aqueous solution of L Br, continuously stirring for 1 hour, and dialyzing in deionized water for 3 days to obtain a silk precursor to be modified; s2, heating and stirring a nano carbon material in a treating agent to obtain a uniformly dispersed modified graphene or carbon nanotube solution; s3, mixing the modified graphene or carbon nanotube solution with a to-be-modified silk precursor, and then performing ultrasonic dispersion to obtain a graphene or carbon nanotube modified silk fiber mixed solution; s4, 0.1%-1% of CuC < 2 > and N C < 2 > are added into the obtained silk fiber solution modified by the graphene or the carbon nano tubes, then a NaOH aqueous solution is stirred and added into the solution, a reaction is conducted for 6 h in a heating device at the temperature of 60 DEG C, dialysis is conducted for 1 day with deionized water, and the silk fiber solution is placed at the room temperature for use.

Description

technical field [0001] The invention relates to the technical field of using nanomaterials for flexible wearable smart clothing, in particular to an in-situ preparation method of self-heating flexible wearable nanofiber materials. Background technique [0002] With the rapid development of technology, flexible and stretchable electronic products have penetrated into every corner of daily life. Fiber electronic products integrating various advanced functions mainly rely on the integration of electronic materials in thermally drawn fibers. This approach produces functional electronic fibers with complex structural systems in a scalable manner. Combining different electron rheology, acoustic properties, thermodynamics, sensing electronic materials with fibers produces functions such as energy storage and conversion, temperature and humidity regulation, stimulation perception, and monitoring health. At the same time, with the improvement of people's aesthetics, in addition to ...

AI Technical Summary

Problems solved by technology

[0003] Existing challenges include: developing a more advanced and comprehensive nanofiber preparation process compatible with existing electronic technologies; research on the interaction between material structure and performance, realizing complex functions with simple structures; the function of fibers does not achieve multiple functions Integration, e.g. energy storage, converting energy, regulating temperature, regulating humidity, monitoring health

The current self-heating fabrics generally use functional substances such as metal oxides to be deposited on the existing fabrics to achieve higher sensing performance and self-heating efficiency, but this method affects the color and performance of the fibers to a certain extent. Functional substances Not stable on fabric surfaces

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