Butterfly-shaped optical cable and production process thereof

The invention provides a butterfly-shaped optical cable and a production process thereof, the butterfly-shaped optical cable comprises a butterfly-shaped sheath (1), an optical fiber (2) and reinforcing members (3), the optical fiber (2) is arranged in the center of the butterfly-shaped sheath (1), and the reinforcing members (3) are arranged on two wings of the butterfly-shaped sheath (1). The butterfly-shaped sheath (1) is prepared from the following components in parts by mass: 60 to 70 parts of polyethylene, 30 to 40 parts of polyamide, 15 to 25 parts of ethylene-vinyl acetate copolymer, 2 to 5 parts of antioxidant, 2 to 4 parts of maleic anhydride grafted polyethylene, 10 to 15 parts of modified carbon nanofiber filler and 1 to 2 parts of polymethylvinyl siloxane. The optical cable has excellent high temperature resistance, aging resistance, tensile property and bending resistance. 本发明提供一种蝶形光缆及其生产工艺，所述蝶形光缆包括蝶形护套(1)，光纤（2）和加强构件（3），所述光纤（2）在所述蝶形护套(1)中心位置，所述加强构件（3）在蝶形护套(1)的两翼，所述蝶形护套(1)的材料按质量份数包括以下组份：聚乙烯60-70份