▎ 摘　　要

NOVELTY - High-strength and easily degradable material comprises 80-100 pts. wt. graphene oxide-polylactic acid blend, 8-10 pts. wt. oxidized microcrystalline cellulose, 8-10 pts. wt. spherical nano-hydroxyapatite, 0.3-0.5 pts. wt. antioxidant, 1-3 pts. wt. plasticizer and 0.3-0.5 pts. wt. heat stabilizer. USE - The material useful for 3D printing (claimed). ADVANTAGE - The material: promotes the degradability of polylactic acid; and has good mechanical property and appearance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the material, comprising (i) preparing graphene oxide; (ii) modifying the product obtained in step (i); (iii) mixing the materials; and (iv) kneading and pelleting.