国家/地区 中国（7）
IPC部 C（7）
IPC大类 C02（7）
IPC小类 C02F（7） C08F（7） B01J（5）
C08J（3）
IPC C08F220/56（7）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

Composite hydrogel sponge useful in field of seawater desalination, comprises water supply layer and evaporation layer that are stacked successively; material of water supply layer is polyacrylamide hydrogel; material of evaporation layer is polyacrylamide/graphene composite hydrogel.

LI S, LI T, WU Z, HU Z, LAI X, WANG D, LI C, WANG W, LI L

Super-absorbent salt-resistant potassium ion-based polymer water-absorbent resin useful in fields of sewage treatment, agriculture, medical and health, flexible sensors or construction, comprises anionic monomer, cationic monomer, crosslinking agent, neutralizing agent, initiator and catalyst.

WANG L, LI Z, LIU S, GE Y, HU X

Preparing photocatalytic porous hydrogel comprises e.g. carrying out oil-in-water high internal phase emulsion polymerization of acrylamide and graphene oxide to polymerize, and then loading with nano-titanium dioxide.

JIANG Y, GUO Z

Composite hydrogel having network structure used in wastewater treatment comprises polyethylene-based hydrogel including polyacrylamide hydrogel and/or polyacrylic acid hydrogel and is crosslinked by graphene oxide and crosslinking agent.

ZHANG J, WANG Y, WANG J, MING L

Synergistic treatment of heavy metal polluted water with sulfonated graphene and cationic polyacrylamide emulsion involves adjusting pH value of heavy metal polluted water, and then adding sulfonated graphene in heavy metal polluted water.

PENG X, PENG S, ZHOU F

Preparation of graphene oxide composite gel used for heavy metal adsorption by performing suspension polymerization reaction to sodium acrylate, acrylamide, graphene oxide, potassium persulfate, N,N-methylene-bisacrylamide and water.

ZHANG F, ZHANG C, HE C

Preparation of silica-graphene oxide-surface metal ion-imprinted polymer for selective adsorption of metal ions in aqueous solution, involves adding functionalized silica/graphene oxide composite, template ions and functional monomer.

QIU J, LIU Y, LUO M, NI L, MENG M, MENG X