Polyvinylchloride insulating electric power cable material and preparation method thereof

The invention discloses a polyvinylchloride insulating electric power cable material and a preparation method thereof. The material is composed of acrylate rubber, SG-2 polyvinylchloride resin, modified polyamide-6 resin, white carbon black, attapulgite, an accelerator TMTM, an anti-aging agent NBC, dibutyl phthalate, aniline methyl triethoxysilane, hydroquinone, fatty alcohol ethoxylate, tricresyl phosphate, and sodium dihydrogen phosphate. According to the invention, acrylate rubber, SG-2 polyvinylchloride resin, and modified polyamide-6 resin high-molecular materials are used as base materials of the material; with dibutyl phthalate, inter-solubility of the components is improved; and a plurality of functional auxiliary materials are added. Therefore, the defect of the incapability of being used under high-temperature environment of cable materials is solved. The material has good flame resistance, greatly improved mechanical property, and good dynamical performance.