国家/地区 中国（13）
IPC部 C（13）
IPC大类 C08（13）
IPC小类 C08F（13） C09K（8） C09D（4）
IPC C08F220/56（13）
发明人 WANG Y（4） LIU Y（2） REN H（2）
SHI J（2） YU B（2） ZHANG J（2）
ZHANG S（2） ZHOU W（2）
公开年 2021（13）
申请年 2021（6）  2020（4）  2019（3） 
专利权人 NINGBO FENGC.（5） SHANDONG OBO.（2）

Preparing hydrophobic moisture barrier coating useful in obstructing and dehumidifying field, comprises e.g. reacting dopamine hydrochloride in methacrylic acid substance, performing free radical polymerization reaction and oxygen plasma surface hydroxylation and coating.

WANG X, YANG W, YU Q, YU B, XIANG Y, ZHOU F

Water-soluble nanomaterial used as thick oil viscosity reducing and oil-displacing agent, obtained by grafting viscosity reducing monomer, hydrophilic monomer and active monomer on double bond modified nano material.

ZHANG J, WU Z, CUI H, CHEN B, ZHANG K, YU B, WANG Y

Nano-tackifier used for preparing polymer flooding synergistic agent, is obtained by modifying lamellar nano-materials comprising graphene oxide and montmorillonite with long chains obtained by polymerizing functional monomer and acrylamide and comprising ethane-containing structural units.

ZHAO F, ZHANG H, TAO Z, TANG N, WANG Y

Nano drag reducer useful in development of petroleum, and prepared by e.g. connecting nano-material composed of attapulgite, graphene oxide, and montmorillonite and propionaldehyde compound as polymer by coupling agent.

WU X, ZHANG J, SHI J, DENG Q, LIU Y

Aqueous composite anticorrosive paint film is obtained by uniformly arranging graphene oxide sheets in paint film structure to form graphene oxide layer, where graphene oxide layer is in paint film structure, and its thickness direction is similar to thickness direction of paint film structure.

DONG G, ZHANG S, ZHOU W, REN H

Graphene oxide acrylic emulsion thin film useful for aqueous coating comprises graphene oxide sheets, which are staggered to form graphene oxide sheets three-dimensional network.

LI P, ZHANG S, ZHOU W, REN H

Lithium ion battery binder useful in preparation of lithium-ion battery anode sheet and lithium-ion battery cathode sheet, comprises unsaturated siloxane, propylene monomer, N-methylpyrrolidone and initiator.

LIU Z, LIU S, GAO S, LIU J, LIU X, YOU Q, ZHENG Y, CHENG X, CHAI J

Polymer fluid loss control agent prepared by adding acrylamide, sodium p-styrene sulfonate, methacrylic acid to water, uniformly stirring, heating and reacting, cooling and maturing at constant temperature.

FAN Y, LIANG D

Carbon-based nano profile control agent in oilfield profile control, comprises a carbon-based nano substrate, where the carbon-based nano substrate is modified with a hydrophilic flexible group and a hydrophobic rigid group.

MING L, WANG Y, HU M

Preparing carboxy modified graphene graft polymer used as fluid loss agent in drilling fluids for oil and gas drilling comprises dissolving e.g. N-vinylpyrrolidone in water, adding inverse emulsion system, purifying and crushing pre-product.

MA J, AN Y, PANG S, ZHANG Z, ZHANG R