▎ 摘　　要

NOVELTY - A polylactic acid microsphere modified material comprises 100 pts. wt. polylactic acid microspheres, 3-5 pts. wt. graphene oxide, 1-10 pts. wt. heat stabilizer, 0.1-10 pts. wt. antioxidant, 0.1-10 pts. wt. defoamer, and 0.1-10 pts. wt. leveling agent. USE - Polylactic acid microsphere modified material used for three-dimensional printing (claimed). ADVANTAGE - The material has improved fluidity, thermal stability, and toughness, simple production process, and no environmental pollution. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of modified material comprising weighing raw materials, mixing, and high speed stirring at 1000-1400 revolutions/minute for 10-30 minutes; and spray drying at 100-120 degrees C and cooling.