国家/地区 中国（15）
IPC部 C（15）
IPC大类 C08（15）
IPC小类 C08F（15） C09K（8） C09D（6）
C08K（4） C08L（2）
IPC C08F220/58（15）
发明人 BAI Y（2） WANG S（2）
公开年 2022（10） 2023（5）
申请年 2022（15）
专利权人 UNIV BEIJING.（2） UNIV SOUTHWE.（2）

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

Preparing conductive acrylic pressure-sensitive adhesive useful in electronic industry, comprises e.g. ultrasonically dispersing nano-composite particles in butyl acrylate, adding dodecyl mercaptan and beta-carboxyethyl acrylate, performing secondary heating and stirring, and cooling.

LI X, WANG S, JIN X

High temperature and high density water-based drilling fluid useful in the field of shale well petroleum and natural gas drilling, comprises e.g. water, bentonite, tackifier, alkalinity regulator, shale inhibition stabilizer, shale plugging agent, inorganic salt and weighting material.

SHU M, WU J, XU P, HE M, YOU F, XU M

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

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

Plugging type fluid loss agent for oil-based drilling fluid, comprises oxidized graphene, concavo-convex rod-shaped stone, initiator, silane coupling agent, cross-linking agent, matrix asphalt and aggregate monomer, aggregate monomer is synthesized by acrylamide and acrylic acid.

YUAN X, WU L, SHI H

Preparing coating useful in wet chlorine gas, chlorine water and other production device, comprises e.g. adding chlorinated polyester, adding triethanolamine, stirring, slowly and dropwisely adding water, heating latex, grinding to obtain solidified glue and uniformly mixing.

LI H, JIN C, WANG J, SHI Z, WANG B

Aqueous water-proof type anode functional coating adhesive used as anode functional coating type current collector of lithium battery, comprises e.g. ethylenically unsaturated nitrile groups, unsaturated functional monomer, reaction type unsaturated surfactant, initiator and neutralizing agent.

LUO X, JU W, WU T, XIE X

Non-curing waterproof coating comprises softening oil, modified wax powder, thermoplastic elastomer, resin, silane coupling agent and filler, where the modified wax powder is bifunctional group modified wax powder.

CHEN S, HE S, YANG X, GONG X, YU L

Nano low-friction temperature-sensitive drag-reducing thickener useful in oil-displacing fracturing fluids comprises thickener prepared by coupling nanomaterials and graft-modified temperature-sensitive thickening polymers with coupling agents.

NIU Q, CAI W, YU S, XU Y, SHI J, WANG Z, AN Y