国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B024/28（3）
发明人
公开年 2023（3）
申请年 2022（2） 
专利权人

Preparing graphene cement additive, involves adding graphene powder, cement, anhydrite, dendritic polyamidoamine, cement adhesive and slag micropowder, placing mixed slurry in evaporation chamber, forming slimy slurry, drying and packaging.

WEI L, ZHANG W, LI L, LI X, QIN L

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

Concrete reinforcement modifying agent used in concrete modification, comprises modified wear-resistant agent, modified anti-cracking agent, bentonite, quartz sand, auxiliary agent, sodium silicate, diatomaceous earth, and deionized water.

GAO Q, GAO X