国家/地区 中国（3）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 B01J（4） C08J（3） C08K（3）
C08L（3）
IPC B01J013/00（4）
发明人
公开年 2023（4）
申请年 2022（4） 
专利权人

Graphene oxide composite hydrogel used for adsorbing heavy metals, is made of graphene oxide, polyethylene glycol-containing hyperbranched polyester copolymer and poly(trans-4-carbonyl-4-(thiophene-2-yl)but-2-enoic acid).

XU C, HUA M, ZENG L

Preparing three-dimensional graphene composite gas gel used in pressure sensor, involves mixing oxidized graphene, cellulose nanocrystalline, organic amine and water, performing hydrothermal reaction to obtained mixed solution to obtain hydrogel.

WU D, WANG Z

Preparing hydrogel for energy storage device, involves forming pre-gel comprising polymer and metal salt particles, shrinking and dehydrating pre-gel and impregnating shrunk and dehydrated pre-gel with ion solution to cross-link and rehydrate shrunk and dehydrated pre-gel to produce hydrogel.

JI D, KIM J Y, HWAN J D

Preparing high elastic aqueous polyurethane/graphene hydrogel useful in water purification, pressure sensing, and air purification, comprises e.g. dispersing graphene oxide in deionized water, performing ultrasonication for dispersing in deionized water, and placing into specific mold.

YAN B, JIANG H