Environmentally friendly method of preparing solvent free one-component epoxy resin-impregnated

The present invention discloses an environmentally-friendly method of preparation of solvent-free one-component epoxy resin-impregnated, which uses a medium viscosity of high purity epoxy resin, adding a latent curing agent diaminodithiol modified by physical and chemical reactions sulfone (the DDS), and by the addition of 400 mesh, and 800 mesh silica-based thixotropic agent according to the above mixing ratio, can effectively prevent precipitation and mixed, the resin can better ensure retention of excessive slack in the windings much amount of the resin, and the resin film thickness and the insulating tape enameled wire can be improved.