▎ 摘　　要

NOVELTY - Graphene oxide sponge material comprises polydimethylsiloxane (PDMS) is used as substrate, hydrophilically modifying surface, and supporting graphene oxide. USE - Graphene oxide sponge material. ADVANTAGE - The graphene oxide sponge material is capable of realizing effective recycle, has stable structure, high adsorption efficiency, good popularization and application prospect, and avoids secondary pollution. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene oxide sponge material, which involves: (A) forming PDMS sponge is based on PDMS, adding (91%) Sylgard 184A and (9%) Sylgard 184B to vessel and stirring constantly; (B) adding sugar cube and vacuuming for 2 hours, heating at 80 degrees C for 3 hours in oven, ultrasonic cleaning, sugar is completely dissolve, forming PDMS sponge, using (91%) Sylgard 184A, (9%) Sylgard 184B and sugar cube in mass ratio of 10:1:5.7, placing PDMS sponge prepared in plasma cleaner for 15 minutes, immersing washed PDMS sponge repeatedly in 1% mass fraction of polyvinyl alcohol for 5 times, soaking for 20 minutes, removing and drying for 20 minutes, then drying to obtain hydrophilic PDMS sponge, immersing hydrophilic PDMS sponge prepared in graphene oxide suspension having concentration of 5 mg/mL for 3 times; and (C) soaking for 30 minutes, taking out and drying for 20 minutes to obtain final product.