国家/地区 中国（7）
IPC部 C（7）
IPC大类 C08（7）
IPC小类 C08F（7）
IPC C08F220/56（7）
发明人
公开年 2023（7）
申请年 2022（3）  2023（3） 
专利权人

Preparation of heat-induced flexible photo-thermal phase change hydrogel used in skin heat management application, involves melting hydrated salt, adding hydrophilic polymer, crosslinking agent and graphene oxide, magnetically stirring, adding initiator, and reacting.

YU W, SONG M, WANG L

Preparing negatively charged graphene oxide-based drilling fluid loss reducer, comprises dispersing graphene oxide in solvent, adding organic amine, negatively charged monomer, 4,4'-azobis(4-cyanovaleric acid) as initiator and amide condensing agent and carrying out polymerization reaction.

LI H, YI S, DONG H

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

Thick oil viscosity reducer composition useful for viscosity reduction of heavy oil transported by pipelines, and viscosity reduction of heavy oil in cold recovery comprises low molecular weight amphiphilic polymers and nano-hydrophobic modified materials.

MA C

Flexible high latent heat low temperature phase change energy storage gel useful for preparing temperature-regulated materials, comprises phase change material, first hydrophilic monomer and second hydrophilic monomer, where phase change energy storage gel is prepared by in-situ polymerization.

FEI Z, WENG L, YIN C, SHI L

New amphiphobic polymer containing acyl hydrazone bond useful for preparing nano-amphiphobic reversal agent containing an acyl hydrazone bond polymer for forming a wet adsorption layer on the surface of the formation core.

ZHANG C, LIANG S, CHEN M, XU N, LI D, SHI W, WANG Y

Preparation of polymer microspheres/graphene oxide emulsion used for stripping oil, involves emulsifying and polymerizing by dissolving aqueous phase, pouring into oil phase obtained from oil medium, passing inert gas and adding reducing agent.

YU Z, LI Z, ZHOU S, YANG D