A kind of preparation method of oriented conductive hydrogel fiber material

Abstract

An oriented conductive hydrogel fiber material and a preparation method thereof. Firstly, the ultrasonic dispersion method is used to obtain conductive particle dispersions with different concentrations. The dispersed conductive particles change from a state of mutual agglomeration or entanglement to a state of uniform dispersion, so as to meet the requirements for subsequent enhancement of matrix strength and conductivity. Then, the conductive particles are compounded into the gelatable organic polymer solution to form a composite electrospinning precursor that meets the electrospinning concentration and viscosity, and the electrospinning is performed by using a liquid rotating receiving plate to prepare a high Molecular composite conductive particle hydrogel fiber. This invention is different from the design of traditional hydrogel with single physical factors. The oriented micro-nano fiber structure, sensitive and variable electrical conductivity and mechanical strength are introduced into the hydrogel system at the same time, and a hydrogel fiber material with excellent performance is prepared. , providing a new preparation technology for the preparation of biomedical scaffold materials, flexible electrode materials, biosensors and other fields.

Description

technical field [0001] The invention belongs to the field of materials, and particularly provides a method for preparing oriented conductive hydrogel fiber materials. Background technique [0002] Hydrogel materials have the characteristics of excellent biocompatibility, degradability, bendability and flexibility, and are widely used in the fields of biomedical scaffold materials, flexible electrodes or biosensors. In terms of the design of biomedical scaffold materials, it is often inclined to design and prepare scaffold materials with structural characteristics similar to human tissue. Such a scaffold material can well match with human tissue in terms of mechanical properties and meet the requirements of implantation. At the same time, the design and preparation of scaffold materials also take into account the functional characteristics of corresponding tissues to the greatest extent, such as the electrical conductivity of nerve tissue and muscle tissue. Therefore, the d...

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Problems solved by technology

However, due to the fact that traditional hydrogel materials cannot effectively guide the distribution of conductive particles on the macro scale, which affects the sensitivity of conductive materials, the application is also greatly limited.

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