▎ 摘　　要

NOVELTY - Hyperbranched polytriazole functionalized graphene is formed by modifying graphene surface with aromatic modified hyperbranched polytriazole (I). USE - Hyperbranched polytriazole functionalized graphene. ADVANTAGE - The hyperbranched polytriazole functionalized graphene has good dispersivity and reactivity. The obtained graphene has good dispersivity and reactivity. It has good regularity and wide application prospect in electronics, chemical industry and biology field. DETAILED DESCRIPTION - Hyperbranched polytriazole functionalized graphene is formed by modifying graphene surface with aromatic modified hyperbranched polytriazole of formula (I). R=alkynyl, alkynyl group partially substituted with R1; R1=triazole derivative of formula (II); n=not defined; and R2=aromatic group. An INDEPENDENT CLAIM is included for a method for preparing hyperbranched polytriazole functionalized graphene which involves: (A) dissolving 3,5-dihydroxybenzoic acid in methanol ; (B) heating solution to 90-100 degrees C for 12-24 hours in presence of hydrochloric acid as catalyst to obtain first compound; (C) dissolving first compound, 3-bromopropyne and 18-crown ether in acetone; (D) adding potassium carbonate to the mixture; (E) adding first compound and 3-bromopropyne in molar ratio of 1:2-1:6; (F) adding 18-crown-ether and potassium carbonate in molar ratio of 1:110-1:205; (G) heating the reactants at 60-75 degrees C for 24-48 hours to obtain second compound; (H) dissolving second compound and potassium hydroxide in ethanol; (I) heating reactants at 60-75 degrees C for 24-48 hours to obtain third compound; (J) dissolving third compound and 3-azidopropanol in methylene chloride; (K) adding first catalyst and first dehydrating agent; (L) heating to 20-30 degrees C for 24-48 hours to obtain fourth compound; (M) dissolving fourth compound in N,N-dimethylformamide and second catalyst; (N) reacting at 60-75 degrees C for 24-48 hours to obtain hyperbranched poly triazole; (O) dissolving aromatic compound and 3-azidopropanol in methylene chloride; (P) adding third catalyst and third dehydrating agent; (Q) reacting under nitrogen protection at 10-40 degrees C for 24-48 hours to obtain the azide aromatic compound; (R) dissolving hyperbranched polytetrazole and azide aromatic compound in dimethylformamide to obtain hyperbranched molecule; (S) reacting hyperbranched polytriazole and azide aromatic compound for two hours at 60-75 degrees C for 24-48 hours; (T) adding hyperbranched molecule to organic solvent dispersion of graphene oxidel; and (U) reacting at 100-200 degrees C for 24-72 hours to obtain the desired hyperbranched polytriazole functionalized graphene.