▎ 摘　　要

NOVELTY - Amidoxime functionalized covalent organic framework and graphene oxide hybrid aerogel, having a porous network structure. USE - Amidoxime functionalized covalent organic framework and graphene oxide hybrid aerogel used in preparation of metal ion adsorption material. ADVANTAGE - The preparation method of the hybrid aerogel comprises the steps of preparing a graphene oxide solution, adding an organic monomer into the graphene oxide solution, carrying out amidoximation to obtain a uniform non-flowing hybrid wet gel, and then carrying out freeze drying or supercritical fluid drying to obtain the amidoximation functionalized covalent organic framework and the graphene oxide hybrid aerogel. The hybrid aerogel material prepared by the invention has high specific surface area and developed pores, has high adsorption capacity on metal ions, particularly has specific adsorption on uranyl ions, and is an ideal adsorption material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method for preparing amidoxime functionalized covalent organic framework and graphene oxide hybrid aerogel,involves (1) Preparing graphene oxide; (2) dispersing graphene oxide in organic solvent to obtain graphene oxide organic solution; (3) adding organic monomer containing aldehyde group into graphene oxide organic solution, and dispersing to obtain uniform first suspension; (4) adding organic monomer containing cyano and amino and an acid catalyst into the first suspension, and dispersing to obtain uniform second suspension; standing second suspension for 1-48 h at 20-60 ℃ to obtain uniform non-flowing wet gel; further carrying out amidoximation on the wet gel to obtain amidoxime functionalized covalent organic framework and graphene oxide hybrid wet gel; (5) And drying hybridized wet gel to obtain amidoxime functionalized covalent organic framework and graphene oxide hybridized aerogel.