国家/地区 中国（15）
IPC部 C（15）
IPC大类 C08（15）
IPC小类 C08F（15）
IPC C08F220/58（15）
发明人 LI X（4） CHEN J（2） HUA S（2）
LI S（2） PEI D（2） WANG M（2）
XU X（2） ZHOU S（2）
公开年 2023（15）
申请年 2022（9）  2023（4）  2021（2） 
专利权人 HUAWEI METAL.（2） SINOSTEEL MA.（2）

Preparing nanocomposite fluorescent hydrogel useful in fluorescence detection of metal ions in water, comprises e.g. adding mixed reactants and initiators to graphene quantum dot solution, uniformly stirring, soaking in deionized water and taking out.

CHEN J, HOU S, ZHOU Z, HUANG H, YANG Q, ZHU W, SHE X, DU J

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

Graphene water reducing agent useful as cement and concrete dispersant, comprises e.g. isopentenol polyoxyethylene ether, pentaerythritol tetraacrylate, 2-acrylamide-1-methylpropanesulfonic acid, unsaturated phosphoric acid esters, graphene oxide, 3-mercaptopropionic acid and initiator.

ZHANG H, PANG Y, GUO J, ZHANG R

High-strength microgel granular material for rapid plugging of water leakage in engineering facilities, by placing pre-polymerized liquid comprising acrylamide, ammonium persulfate and graphene oxide in open-cover electric heating reactor for polymerization reaction, drying and grinding.

LI B, LI S, XU X, LI X, PEI D, HUA S

Sound insulation mortar useful in floor slab of high-rise concrete building comprises cement, reinforcing aggregate, cement, glass fiber, vitrified microbeads, ceramic sand, fly ash, additive, hyperbranched ethylene glycol chitosan, graphene hollow nanofiber and waste aramid fiber.

CHEN J, XU S, YIN P, ZHU S, ZHU Y

Preparing high-strength microgel particle useful for emergency and rapid plugging and stopping water e.g. in reservoir, comprises polymerizing pre-polymerized liquid made of e.g. acrylamide and 2-acrylamide-2-methylpropanesulfonic acid, drying prepared polymer hydrogel, grinding, and sieving.

WANG D, YAO J, LI S, XU X, LI X, PEI D, HUA S

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

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