▎ 摘　　要

NOVELTY - Functionalized graphene material (A) i.e. 2-(2-amino-2-oxoethoxy)acetic acid compounds (I) and 2-(2-oxoethoxy)acetamide compounds (II) are new. USE - Used as functionalized graphene material. ADVANTAGE - (I): improve the manufacturability. DETAILED DESCRIPTION - Functionalized graphene material (A) i.e. 2-(2-amino-2-oxoethoxy)acetic acid compounds of formula (I) and 2-(2-oxoethoxy)acetamide compounds of formula (II) are new. R = hydrocarbon, alkyl or aryl (optionally substituted with phenyl or halo); and G = graphene. INDEPENDENT CLAIMS are also included for: (1) preparation of (A); and (2) use of (A) in removing radioactive elements from nuclear waste water discharged comprising using (A) as an adsorbent to adsorb high-level radioactive nucleus elements i.e. strontium, cesium, technetium, uranium, thorium in nuclear waste water and then separating the adsorbent from the wastewater.