▎ 摘　　要

NOVELTY - A preparation of graphene monomer polyether involves (1) dispersing graphene oxide into a single-layer graphene oxide solution, (2) adding unsaturated organic amines and unsaturated alcohols in reactor, adding monolayer graphene oxide solution in (1), and dispersing, controlling the temperature to react to obtain a solution of activated functional initiator, removing the solvent in vacuum to obtain an activated functional initiator, (3) adding activated functional initiator to the reactor, adding the catalyst, continuing to stir, filling the reactor with inert gas, feeding olefin oxide into the reactor, and obtaining the monomer polyether oligomer, (4) putting the monomer polyether oligomer synthesized in step (3) into the reactor, adding the catalyst, and adding the monolayer graphene oxide in (1), filling the reactor with inert gas, introducing alkene oxide, maturing, degassing, neutralizing, and exporting to a slicing machine for slicing to obtain a monomer polyether product. USE - Preparation of graphene monomer polyether for polycarboxylic acid high-performance water reducer. DETAILED DESCRIPTION - A preparation of graphene monomer polyether involves (1) dispersing graphene oxide into a uniform single-layer graphene oxide solution after proper ultrasonic vibration treatment in an organic solvent, (2) adding unsaturated organic amines and unsaturated alcohols in the reactor, adding the monolayer graphene oxide solution in (1), mechanically stirring and dispersing, controlling the temperature to react to obtain a solution of activated functional initiator, removing the solvent in vacuum to obtain an activated functional initiator, maintaining the molar ratio of unsaturated organic amine and unsaturated alcohol at 1:0.5-2.5, (3) adding activated functional initiator to the reactor, stirring for 10-30 minutes, adding the catalyst, continuing to stir for 5-10 minutes, filling the reactor with inert gas, under certain temperature and pressure conditions, continuously feeding olefin oxide into the reactor, and performing maturation and degassing treatment after the feed is completed, and obtaining the monomer polyether oligomer in the polymerization reaction (I), maintaining the molar ratio of the activated functional initiator and the olefin oxide in step (2) at 1:1-90, (4) putting the monomer polyether oligomer synthesized in step (3) into the reactor, stirring for 10-30 minutes, adding the catalyst, and adding the monolayer graphene oxide in (1), and continuing to stir for 5-10 minutes, filling the reactor with inert gas, under certain temperature and pressure conditions, introducing alkene oxide for ring-opening polymerization, and after the completion of feeding, maturing, degassing, neutralizing, and finally exporting to a slicing machine for slicing or direct packaging according to the difference in hydroxyl value to obtain a monomer polyether product. The molar ratio of oligomer and alkylene oxide in step (2) at 1:1-120.