▎ 摘　　要

NOVELTY - Graphene polyester flame retardant composite fiber comprises composite fiber, which is nylon fiber as core and coated with terylene fiber, the chinlon fiber includes 90-95 pts. wt. nylon, 3-5 pts. wt. carbon fiber, the terylene fiber includes 92-95 pts. wt. polyester, 1-3 pts. wt. graphene, 2-5 pts. wt. modifier, the modifier includes 20-40 pts. wt. mica, 10-15 pts. wt. zirconia, 30-40 pts. wt. polyacrylamide, 2-5 pts. wt. glycol antimony, 2-5 pts. wt. fire retardant powder, 1-3 pts. wt. far-infrared powder, the fire retardant powder includes 70-75 pts. wt. zeolite, 15-20 pts. wt. ammonium polyphosphate, 5-8 pts. wt. phosphate, 0.5-2 pts. wt. cobalt aluminate, 3-5 pts. wt. aluminum hydroxide, 1-3 pts. wt. sodium silicate, and the far infrared powder includes 40-50 pts. wt. silicon oxide, 20-30 pts. wt. zinc oxide, 5-10 pts. wt. medical stone, 10-15 pts. wt. molybdenum, 2-3 pts. wt. stannic oxide, 1-5 pts. wt. talcum powder, and 0.1-0.8 pts. wt. rare earth. USE - Graphene polyester flame retardant composite fiber. ADVANTAGE - The graphene polyester flame retardant composite fiber has high intensity, and has a certain flame retardant capability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene polyester flame retardant composite fiber, which involves (A) preparing the chinlon fiber by mixing 20-40 pts. wt. mica, 10-15 pts. wt. zirconia, 30-40 pts. wt. polyacrylamide, 2-5 pts. wt. glycol antimony uniformly, grinding into powder to obtain the modifier, adding 90-95 pts. wt. nylon, 3-5 pts. wt. carbon fiber, 1-3 pts. wt. graphene, 2-5 pts. wt. modifying agent uniformly into the screw extruder for melting and extruding at a temperature of 240-250 degrees C to obtain modified chinlon melt; (B) preparing the flame retardant powder by adding 70-75 pts. wt. zeolite, 15-20 pts. wt. ammonium polyphosphate, 5-8 pts. wt. phosphate, 0.5-2 pts. wt. cobalt aluminate, 3-5 pts. wt. aluminum hydroxide, 1-3 of sodium silicate heating and melting, grinding into powder after cooling to obtain the fire retardant powder; (C) preparing far-infrared powder by adding 40-50 pts. wt. silicon oxide, 20-30 pts. wt. zinc oxide, 5-10 pts. wt. medical stone, 10-15 pts. wt. molybdenum, 2-3 pts. wt. stannic oxide, 1-5 of talcum powder, 0.1-0.8 pts. wt. rare earth in the reaction furnace to heat for 24 hours, and milling into powder to obtain the far infrared powder; (D) preparing terylene fiber by mixing 92-95 pts. wt. terylene, 2-5 pts. wt. fire retardant powder, 1-3 pts. wt. far infrared powder uniformly into the screw extruder for melting and extruding at a temperature of 300-320 degrees C to obtain denature the polyester melt; (E) preparing graphene polyester flame retardant composite fiber, coating the denature terylene melt outside the core of the modified chinlon melt drawing; and (F) forming graphene polyester flame retardant composite fiber by conjugate spinning assembly.