▎ 摘　　要

NOVELTY - Preparing graphene ice cool heat conducting negative ion polyester fiber comprises (i) adding graphene, ethanol and deionized water into a four-necked bottle, stirring vigorously and adding rosin gum powder, surfactant, chitosan, emulsifier, heating dispersing agent and the coupling agent, stirring and; (ii) adding tourmaline powder, diatomite and ethylene glycol into the centrifuge, high-speed centrifugal mixing, adding coupling, plasticizer, dispersant and adhesive ultrasonic dispersion to obtain negative ion slurry; (iii) adding polyester chips, graphene glue and negative ion slurry to the reaction kettle; and (v) adding filaments into the water bath, adding the finishing solution, soaking in the water bath for 30-40 minutes at 55-60degrees Celsius and a liquor ratio of 1:20-25, padding treatments, dehydrating and drying to obtain graphene ice-cooled thermally conductive negative ion polyester fiber after the treatment is completed. USE - The method is useful for preparing graphene ice cool heat conducting negative ion polyester fiber DETAILED DESCRIPTION - Preparing graphene ice cool heat conducting negative ion polyester fiber, comprises (i) adding graphene, ethanol and deionized water into a four-necked bottle, stirring vigorously for 3 hours in a constant temperature water bath at 50-60 degreesC, and adding rosin gum powder, surfactant, chitosan, emulsifier, heating dispersing agent and the coupling agent, stirring and mixing at 120-140degrees Celsius to obtain the graphene glue; (ii) adding tourmaline powder, diatomite and ethylene glycol into the centrifuge, high-speed centrifugal mixing, adding coupling, plasticizer, dispersant and adhesive ultrasonic dispersion to obtain negative ion slurry; (iii) adding polyester chips, graphene glue and negative ion slurry to the reaction kettle by mass ratio (75-90): (5-10): (7-15), under nitrogen protection atmosphere, at 230-250 degrees Celsius, stirring and mixing for 1-2 hours, reacting at 250-265degrees Celsius for 4-8 hours, and transporting the mixture into the screw extruder for melting, and thickening to obtain spinning melt; (iv) metering spinning melt by the spinning metering pump and then transporting to the spinning box through the melt channel, increasing pressure in the spinning box, so that the spinning melt is discharged from the micro-spinning plate on the spinning box in the spinning box, extruding holes in the form of filaments, and obtaining fiber filaments after side-air cooling, cluster oiling, network processing and stretching heat-setting; and (v) adding filaments into the water bath, adding the finishing solution, soaking in the water bath for 30-40 minutes at 55-60degrees Celsius and a liquor ratio of 1:20-25, padding treatments, dehydrating and drying to obtain graphene ice-cooled thermally conductive negative ion polyester fiber after the treatment is completed.