国家/地区 中国（11）
IPC部 C（12）
IPC大类 C08（12）
IPC小类 C08F（12）
IPC C08F220/56（12）
发明人 YU S（3） AN Y（2） CAI W（2）
CHEN J（2） LIU L（2） SHI J（2）
WANG Y（2） WANG Z（2） WU W（2）
公开年 2022（12）
申请年 2022（9）  2021（3） 
专利权人

Preparing flexible phase-change composite material useful in field of waste heat utilization and thermal energy storage, comprises e.g. mixing nanocellulose, thermally conductive filler, acrylamide, ferric oxide and anti-freezing agent, high-speed shearing, and polymerizing acrylamide in emulsion.

WANG C, YE Z, CHEN J, HE Y, CHEN G

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

Soil conditioner for prevention and treatment of soil compaction, comprises amino-terminated dendrimers, chitosan gel and modified graphene, and prepared by mixing chitosan, mixed solution and pure water, adding potassium persulfate in nitrogen atmosphere, and reacting.

QIN H, ZHANG H, CHEN J, ZHENG K, HE H, XIE W, WU Q, ZHAO Y, CHEN Y, XIANG L, LIU Y, QU C

Dispersant used in composition for forming conductive material slurry, comprises copolymer comprising an acrylate structural unit, vinyl-based structural unit, and acrylamide structural unit.

AKITO I, YUTARO K, KYOICHI S, IBI A, KINOSHITA Y, SHIROTA K

Preparation of modified super absorbent resin (SAP) high-efficiency phase change energy storage material involves heating and stirring distilled water and SAP matrix material made of e.g. high molecular water-absorbent resin, leaving still, drying, and loading with composite hydrated inorganic salt.

WU W, DOU J, RUAN Y, XIE R, YU S, XIE X, GUAN G, CHEN H, TAO X, ZHAO Z, WU P, LI Y

Water-soluble fracturing temporary plugging agent comprises quaternary copolymerization temporary plugging agent i.e. sodium 4-ethylbenzenesulfonate compound and graphene oxide modified starch carrier prepared by mixing graphene oxide, starch and metal salt, adding water, stirring and reacting.

LIU X, HOU H, WANG Y, DONG F, LIU H, GUO Y

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

New acralate-sodium sulfate containing acrylate-quaternary ammonium-containing ethylene based temperature-resistant and salt-tolerant copolymer useful in oil-displacing polymer for oil displacement in high calcium and magnesium environment.

LIU L

Solid core gel particle useful as profile control agent in the heterogeneous composite oil displacement system, comprises solid particles and coating layer coated on surface of the solid particles.

DOU L, HE D, SUN X, WANG H, HUANG Z, PANG X, XU H, ZHU Y, YANG Y, JI Y

Preparing graphene oxide nano hydrogel plugging agent for drilling fluid, involves putting an appropriate amount of graphite, sodium nitrate, and concentrated sulfuric acid in a three-necked flask, slowly adding an appropriate amount of potassium permanganate, and stirring.

TANG W, BAI Y, HUANG J, WANG R, XIE G