| abstract |
The invention provides a halogen-free flame retardant polyolefin cable sheathing material and a preparation method and application thereof. The polyolefin cable sheathing material comprises a specific number of ethylene vinyl acetate copolymer, polyolefin resin, flame retardant, The combination of silane, dicumyl peroxide, dicumyl peroxide and nickel oxide; by adding silane and nickel oxide to the preparation raw materials, the combustion and crusting of the flame retardant can be promoted, and the polyolefin cable can be protected by The nesting material produces less heat and smoke when burning, and has good flame retardant performance; further adding a specific number of dicumyl peroxide to the preparation raw materials can effectively prevent the ethylene acetic acid Local cross-linking occurs between the vinyl ester copolymer and the polyolefin resin, which further improves the flame retardancy and mechanical properties of the polyolefin cable jacket material. |