国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08F（2） C08K（2）
IPC C08F002/44（2）
发明人 PEI D（2）
公开年 2023（2）
申请年 2023（2）
专利权人 HUAWEI METAL.（2） SINOSTEEL MA.（2）

High-strength microgel granular material for rapid plugging of water leakage in engineering facilities, by placing pre-polymerized liquid comprising acrylamide, ammonium persulfate and graphene oxide in open-cover electric heating reactor for polymerization reaction, drying and grinding.

LI B, LI S, XU X, LI X, PEI D, HUA S

Preparing high-strength microgel particle useful for emergency and rapid plugging and stopping water e.g. in reservoir, comprises polymerizing pre-polymerized liquid made of e.g. acrylamide and 2-acrylamide-2-methylpropanesulfonic acid, drying prepared polymer hydrogel, grinding, and sieving.

WANG D, YAO J, LI S, XU X, LI X, PEI D, HUA S