国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B024/28（2）
发明人
公开年
申请年 2021（2）
专利权人

Graphene layer complex used in the field of oil and gas well cementing, comprises graphene oxide and polymer grafted on the graphene oxide, and the polymer comprises a structural unit derived from 2-acrylamide-2-methylpropanesulfonic acid and a structural unit derived from the second monomer.

LIU J, MIAO X, WEI H, ZHOU S, WANG M

Ligand obtained by polycondensation of first polymer, thionyl chloride, 4-hydroxy-2,2':6',2"-terpyridine and dichloromethane, where first polymer is formed by free radical polymerization of methoxy polyethylene glycol acrylate, unsaturated monocarboxylic acid and acrylamide monomers.

ZHONG L, FANG Y, LIN Z, WU C, LI G, SHAO Y