▎ 摘　　要

NOVELTY - Preparing fluorinated graphene oxide/titanium dioxide nano lubricating additive comprises uniformly mixing fluorinated graphene oxide, acidic substance, and water/ethanol solution to obtain mixed solution, adding titanium source for aging, and adding ethanol to obtain uniformly mixed reaction system, performing hydrothermal reaction at 160-190 degrees C for 20-30 hours using homogeneous mixing reaction system, obtaining fluorinated graphene oxide loaded titanium dioxide nanoparticle composite material to obtain fluorinated graphene oxide/titanium dioxide nano-lubricating additive. USE - The fluorinated graphene oxide/titanium dioxide nano-lubricating additive or fluorinated graphene oxide supported titanium dioxide nano-particle modified lubricating oil is used in the field of anti-friction and anti-wear on the surface of metal substrates (claimed). ADVANTAGE - The composite material has good compatibility with lubricating oil. The modified lubricating oil has far better anti-friction and anti-wear performance than pure lubricating oil. The method requires small required amount of nano lubricating additives, saves resources and time, has simple process, is economical and practical, and is suitable for industrial popularization. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) fluorinated graphene oxide/titanium dioxide nano-lubricating additive, comprising fluorinated graphene oxide loaded titanium dioxide nanoparticle composite material comprises fluorinated graphene oxide, titanium dioxide nanoparticles loaded on the surface of the fluorinated graphene oxide, where the fluorinated graphene oxide is graphene with oxygen-containing functional groups and fluorine atoms obtained by direct fluorination, the sheet diameter of the fluorinated graphene oxide is 500 nm to 1 mu m, the sheet thickness is 2.25-3.34 nm, the fluorinated graphene oxide is graphene oxide with F/C of 0.17-0.63, the oxygen-containing functional groups contained on the fluorinated graphene oxide sheet layer is hydroxy, carboxy, aldehyde and ester groups, the radial dimension of the fluorinated graphene oxide loaded titanium dioxide nanoparticle composite material is 400-900 nm, the particle size of the titanium dioxide nanoparticles is 5-10 nm, and the mass ratio of the fluorinated graphene oxide to titanium dioxide nanoparticles is 1.7:8.3-2.5:7.5; (2) Fluorinated graphene oxide loaded titanium dioxide nanoparticles modified lubricating oil, comprising lubricating oil, and fluorinated graphene oxide/titanium dioxide nano lubricating additive, the content of the fluorinated graphene oxide/titanium dioxide nano lubricating additive in the fluorinated graphene oxide/titanium dioxide nano particle modified lubricating oil is 0.1-0.5 mg/ml, and the lubricating oil comprises GTL-8 lubricating oil, polyalphaolefin 6 (PAO-6) lubricating oil, PAO-9 lubricating oil, PAO-4 lubricating oil and/or 10W40 lubricating oil; and (3) preparing fluorinated graphene oxide loaded titanium dioxide nanoparticle modified lubricating oil, comprising thoroughly mixing lubricating oil with fluorinated graphene oxide/titanium dioxide nano lubricating additive to obtain fluorinated graphene oxide loaded titanium dioxide nano-particle modified lubricating oil.