▎ 摘　　要

NOVELTY - Weatherable graphene three dimensional printed photocurable material comprises 60-90 pts. wt. carboxy-containing polyurethane, 20-35 pts. wt. acrylate resin, 30-60 pts. wt. styrene monomer, 4-8 pts. wt. graphene, 8-13 pts. wt. hydroxy terminated polysiloxane, 3-5 pts. wt. sodium aminoethanesulfonate, 4-7 pts. wt. N-isopropylacrylamide, 3-4 pts. wt. isophorone hexaisocyanate, 0.8-1.5 pts. wt. photoinitiator, 3-8 pts. wt. reactive diluent, 0.5-0.8 pts. wt. catalyst, 0.5-0.8 pts. wt. polymerization inhibitor, 1.2-4.5 pts. wt. antioxidant and 40-50 pts. wt. solvent. USE - Used as weatherable graphene three dimensional printed photocurable material. ADVANTAGE - The three dimensional printed photocurable material: improves the bonding strength of the photocurable material under sunlight irradiation, avoids the degradation problem caused by sunlight irradiation, and prevents the moisture intrusion in the environment and improves overall oxidation resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing weatherable graphene three dimensional printed photocurable material, comprising (i) adding carboxy group-containing polyurethane, acrylate resin and solvent into reaction vessel, heating to 100-130 degrees C, stirring at a rate of 500-800 revolutions/minute for 60-75 minutes and adding aqueous solution containing sodium aminoethanesulfonate during the stirring while removing the fraction, (ii) adding styrene monomer, photoinitiator, reactive diluent and polymerization inhibitor, stirring for 15-25 minutes, then adding hydroxy terminated polysiloxane, introducing nitrogen gas, heating to 120-140 degrees C and stirring at a rate of 800-1000 revolutions/minute for 40-50 minutes, and (iii) dispersing the graphene, adding to the product of the second (ii), then ultrasonic vibration, adding N-isopropyl acrylamide and isophorone hexaisocyanate, stirring for 30-50 minutes and then adding catalyst and antioxidant, cooling to 80-85 degrees C and stirring the mixture at a rate of 1200-1300 revolutions/minute for 40-60 minutes, cooling and filtering to obtain final product.