▎ 摘　　要

NOVELTY - Composite material of a two-dimensional laminar flow graphene coating and a titanium sheet composed of graphene nanosheets, uses titanium-based material as the substrate, and a nano-scale two-dimensional laminar flow graphene coating completely covers the surface of the substrate. The area of the coating is the same as that of the substrate, the thickness is 10-100 nm, and the coating is composed of graphene sheets with a size of 0.5-4 nm. USE - As composite material of a two-dimensional laminar flow graphene coating and a titanium sheet composed of graphene nanosheets. ADVANTAGE - The composite material has the characteristics of high biocompatibility, simple production process, simple application and low cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the composite material of a two-dimensional laminar flow graphene coating, involving (a) mutually dissolving the acrylic resin monomer, medium-chain glycerol or medium-chain triglyceride, photoinitiator, and modified castor oil at 25-40 degrees C to obtain an oil phase solution, (b) adding deionized water to the oil phase solution obtained in step (a) at room temperature, and performing mechanical stirring, homogeneous emulsification, ultrasonic emulsification or microfluidic emulsification to prepare an emulsion, (c) injecting the emulsion obtained in step (b) with a propelling device at room temperature for UV light radiation curing to prepare a mixed solution, (d) putting the mixed solution prepared in step (c) into a dialysis bag, sealing and putting it into deionized water for dialysis to obtain a mixed solution, (e) lyophilizing the mixed solution prepared in step (d) to prepare a polymer gel, (f) washing the TC4 (titanium aluminum vanadium alloy (Ti6Al4V)) slices with acetone, ethanol, and distilled water with ultrasonic waves for 20 minutes and drying, (g) treating the TC4 slices processed in step (f) in oxygen plasma, (h) uniformly coating the polymer gel prepared in step (e) on the TC4 slices processed in step (g), and (i) calcining the polymer gel-coated TC4 sheet prepared in step (h) under an inert gas to prepare a composite material of a two-dimensional laminar flow graphene coating and a titanium sheet.