| abstract |
The invention discloses a thermoplastic low-temperature torsion resistant elastomer insulating material for a wind energy cable and a preparation method and application thereof, wherein the raw materials of the insulating material comprise ethylene propylene diene monomer (Mooney viscosity is 20-70Nm, ethylene content is 40-70%), linear low-density polyethylene (melt index is 10-30g/10min), a compatilizer, a filler, an anti-aging agent and a lubricant; the compatilizer is formed by compounding maleic anhydride grafted elastomer and acrylate compatilizer according to the mass ratio of 1.5-2.0: 1; preparation: weighing the raw materials according to a formula, mixing, and extruding and molding; and adopt the wind energy cable made of above-mentioned insulating material; the invention can achieve the mechanical strength of the crosslinking material without irradiation or ultraviolet crosslinking, and simultaneously has excellent low-temperature torsion resistance. |