▎ 摘　　要

NOVELTY - Preparing luminous polyamide complex material comprises e.g. preparing graphene/long afterglow fluorescent powder complex material, taking long afterglow fluorescent powder, adding deionized water, vibrating, centrifuging, dispersing, adding afterglow fluorescent powder dispersion liquid to graphene dispersion liquid, filtering, drying, heat treating, extruding and granulating nylon resin, hybrid glass fiber reinforced material, nylon masterbatch, graphene/red fluorescent powder/silicon dioxide complex material, graphite/long afterglow fluorescent powder complex material and antioxidant. USE - The method is useful for preparing luminous polyamide complex material (claimed). ADVANTAGE - The method: enhance dispersibility and luminous uniformity of polyamide complex material; and has high luminous intensity and prolonged afterglow time. DETAILED DESCRIPTION - Preparing luminous polyamide complex material comprises (a) preparing graphene/long afterglow fluorescent powder complex material comprising taking 1 g graphene, adding with 100 ml deionized water, ultrasonically vibrating at 800-1000 kW, centrifuging at a rate of 500-800 revolutions/minute and dispersing while stirring for 180-200 minutes, to obtain graphene dispersion liquid, taking 25-100 g long afterglow fluorescent powder, adding with 500 ml deionized water, ultrasonically vibrating at 1000-1200 kW, centrifuging at a rate of 800-1000 revolutions/minute and dispersing while stirring for 240-300 minutes, to obtain long afterglow fluorescent powder dispersion liquid, slowly adding afterglow fluorescent powder dispersion liquid in a dropwise manner to graphene dispersion liquid at 100 kW, ultrasonically treating for 30-60 minutes, vacuum filtering, drying, carrying out heat treatment in vacuum at 1050 degrees C for 30 minutes, heat treating for the second time at 1250 degrees C for 60 minutes, to obtain graphene/long afterglow fluorescent powder complex material, (b) taking 60-70 pts. wt. nylon resin, 30-40 pts. wt. hybrid glass fiber reinforced material, 1-5 pts. wt. nylon masterbatch, 1-5 pts. wt. graphene/red fluorescent powder/silicon dioxide complex material, 1-5 pts. wt. graphite/long afterglow fluorescent powder complex material and 0.1-0.3 pts. wt. antioxidant and extruding and granulating the material in a double screw extruder, where the hybrid glass fiber reinforced material is added by a side feeder and the screw rotating rate of the double screw extruder is 120-150 revolutions/minute at 265-280 degrees C.