国家/地区 中国（5）
IPC部 C（5）
IPC大类 C08（5） C09（3） C07（2）
IPC小类 C08F（5）
IPC C08F212/14（5）
发明人 CHEN X（2）
公开年 2023（5）
申请年 2022（3）  2021（2） 
专利权人

Raw material composition useful in preparing fluid loss control agent for drilling fluid, comprises e.g. prop-2-enamide, prop-2-enamidomethanesulfonic acid compound, bis(prop-2-en-yl)amine chloride compound, sodium 4-ethenylbenzene-1-sulfonate compound and modified graphene oxide.

LAN Q, ZHAO H, YAN B, LI X, WANG X, WANG B, LI Q

Bisphenol A synthetic composite resin catalyst comprises styrene based monomer, cross-linking agent, nanomaterials, and mercaptoalkyl quaternary ammonium salt containing N,N-trimethyl-3-mercaptopropyl quaternary ammonium salt.

FENG F, LIU S, TONG Z, CHEN X, ZHANG Y

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

High-temperature and salt-resistant fluid loss reducer used for preparing high-density saturated brine drilling fluid, obtained by polymerization of acrylamidomethylpropanesulfonic acid, sodium p-styrenesulfonate, N-vinylpyrrolidone and dimethyl diallyl ammonium chloride.

CHEN X, LUO P, HU C, BAI Y

Graphene conductive polymer composite material is prepared by dissolving modified polystyrene in N,N-dimethylformamide, adjusting pH value to be alkaline, adding modified graphene under stirring, and removing filtrate by filtration.

LU C, WEI G