Magnetically driven artificial muscle fiber and preparation method thereof

Abstract

The invention belongs to the technical field of preparation of artificial muscle fibers, and discloses a magnetically-driven artificial muscle fiber and a preparation method thereof. The method comprises the following steps: (1) mixing a magnetic nano material and elastomer particles, and carrying out hot press molding to obtain a complex; (2) placing the complex and a high thermal expansion coefficient polymer in a mold, and carrying out hot pressing to obtain a prefabricated body with a double-sided structure; the prefabricated body with the double-sided structure refers to that one surface of the prefabricated body is a composite body, and the other surface of the prefabricated body is a high-thermal-expansion-coefficient polymer; (3) performing hot drawing on the preform to obtain double-sided fibers; and then carrying out cold drawing to obtain the spring-shaped magnetic drive artificial muscle fiber. The method is simple, the artificial muscle fiber is successfully prepared, the prepared artificial muscle fiber has excellent magnetic driving performance and large deformation quantity, batch preparation is easy, and the obtained artificial muscle fiber has wide application prospects in the fields of soft body driving, intelligent robots and the like.

Description

Magnetically driven artificial muscle fiber and preparation method thereof technical field The invention belongs to artificial muscle fiber preparation technical field, be specifically related to a kind of magnetic drive artificial muscle fiber and its Preparation. Background technique Artificial muscle fiber is a kind of fibrous muscle-like functional material developed in recent years. Under the action of external stimuli (such as voltage, current, pressure, temperature, light), reversible stretching, bending, rotation and other response behaviors occur. because Its structure is simple, and it has the characteristics of flexibility and anisotropy similar to biological muscles. Wearable sensors have broad application prospects. At present, common artificial muscle materials include shape memory alloys, electroactive polymer Compounds, piezoelectric ceramics, polymer fibers, carbon nanotubes, etc. With the advancement and development of science and technology, t...

AI Technical Summary

Problems solved by technology

With the advancement and development of science and technology, higher requirements are put forward for the driving performance of artificial muscles. The existing artificial muscle materials are more and more difficult to meet the needs of practical applications due to their slow response speed and small driving deformation.

Images