▎ 摘　　要

NOVELTY - Synthesizing graphene composite reverse osmosis membrane comprises e.g. (a) firstly synthesizing graphene, comprising (a, i) dissolving mixture containing graphene chloride, acid-binding agent and solvent, mixing and reacting; (a, ii) adding amino-containing substance, reacting, (a, iii) filtering, washing, and drying the filter cake; (b) then adding triethylamine and amyl graphene to react with supersaturated acyl chloride; and (c) adding initiator into the mixture of the amino graphene and monomer, and carrying out copolymerization to prepare graphene composite reverse osmosis membrane. USE - The reverse osmosis composite membrane is used for electronic, information, energy, material and biological medical field of water treatment. ADVANTAGE - The reverse osmosis composite membrane has a good performance, which can overcomes the defects of excessive grading of the graphene in the process of synthetic graphene, results in a small specific surface area of graphene. DETAILED DESCRIPTION - Synthesizing graphene composite reverse osmosis membrane comprises (a) firstly synthesizing graphene, comprising (a, i) dissolving the mixture containing graphene chloride, acid-binding agent and solvent, mixing, and ultrasonically reacting; (a, ii) adding amino-containing substance, reacting under the temperature of 10-200 degrees C, (a, iii) adjusting the pH to 6.5-7.5, filtering, washing, and drying the filter cake to obtain graphene; where the acid-binding agent is sodium carbonate, potassium carbonate and/or triethylamine; the solvent is water, acetonitrile or tetrahydrofuran; the amino-containing materials are aqueous ammonia, ethylenediamine, 1,3-propanediamine, p-phenylenediamine, and dimethylpropylenediamine; (b) then adding triethylamine and amyl graphene to react with supersaturated acyl chloride to obtain amino alkene containing unsaturated bond; the unsaturated acid chloride is acryloyl chloride, cinnamoyl chloride, 3-butenoyl chloride, 2-butenoyl chloride, 2-butenedioyl chloride; and (c) finally at temperature of 10-200 degrees C, adding initiator into the mixture of the amino graphene and monomer and carrying out copolymerization to prepare graphene composite reverse osmosis membrane, where the monomer is acrylamide, methyl acrylate, ethyl acrylate and/or methyl methacrylate; the mass ratio of amino graphene containing unsaturated bond and monomer is 0.01-60:1 ; the initiator is ammonium persulfate, azobisisobutyronitrile, benzoyl peroxide or t-butyl hydroperoxide.