▎ 摘　　要

NOVELTY - Metal-organic cage-functionalized graphene composite adsorption and separation material (MOCs-rGO), is new. The metal-organic cage in the graphene composite adsorption and separation material is a tetrahedral metal-organic cage M-LBA synthesized by the coordination and self-assembly of a double-arm bidentate organic ligand LBA formed by benzidine-pyridine aldehyde and a metal ion M; the ligand LBA is 1,1'-biphenyl-4,4'-diamine, N4,N4'-bis(2-pyridylmethylene); the metal ion M coordinated with the ligand LBA is cobalt ion, iron ion, nickel ion or zinc ion; and the mass proportion of M-LBA in MOCs-rGO is 1-50% wt, and the molar ratio of ligand LBA to M ion is 3:2. USE - The metal organic cage functionalized graphene composite adsorption separation material is useful as adsorbent for ethylene acetylene adsorption separation (claimed). ADVANTAGE - The material: has improved mass transfer efficiency of molecules inside the adsorbent, and realizes adsorption and separation of acetylene/ethylene; improves the stacking problem of traditional metal-organic cages; and provides an effective method for optimizing the adsorption and separation of acetylene/ethylene. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of (I).