The invention provides a method for preparing a self-healing
composite material by employing an
electrospinning method. The method comprises the following steps: dissolving a spinnable
polymer and a liquid healing agent into a volatile
solvent, carrying out
electrospinning, and curing the obtained spinnable
polymer / healing agent composite
fiber with a curing agent dilute solution at a
room temperature, so as to obtain the spinnable
polymer / healing agent composite
fiber with a shell layer on the surface; dissolving the spinnable polymer and a curing agent into the volatile
solvent, and carrying out electrostatic
spinning, so as to obtain the spinnable polymer / healing agent composite
fiber; stacking two composite fibers to form a fiber film; pouring a curable resin material; and repeatedly paving the film, pouring resin, and curing, so as to obtain the self-healing
composite material; when the
composite material generates a micro-crack, the internal fiber cracks; and the healing agent blocked in a fiber micropore and the curing agent blocked in another fiber micropore are released on the crack part and react under the heated condition, thus achieving self-healing, so that the material can become a self-repairing artificial material with an application prospect.