国家/地区 中国（6） 韩国（4） 美国（3） 世界知识产权组织（3） 日本（2）
IPC部 C（9） B（5） H（2）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C08J005/18（9）
发明人
公开年 2017（9）
申请年 2017（4）  2016（3）  2015（2） 
专利权人

Producing isolated graphene sheets from supply of coke or coal powder, used in composite material, comprises dispersing particles of coke or coal powder in liquid medium to produce suspension, and exposing suspension to ultrasonication.

ZHAMU A, JANG B Z

Preparing graphene nanocomposite film comprises taking flake graphite, sodium nitrate solid mixture into the concentrated sulfuric acid solution, subjecting to modification treatment, heating and reacting, dissolving, stirring and filtering.

GONG C

Preparing nano carrier material involves mixing nano cellulose solution and graphene, crushing, subjecting to ultrasonic, mixing uniformly to obtain nano cellulose/graphene suspension, mixing with phenolic resin, and stirring.

WU Y, ZHANG Z, QING Y, WU Q, LUO S, TIAN C, LI L

Preparation of vertically oriented graphene-based material involves dispersing graphene-based raw material in solvent, filtering graphene dispersion liquid to obtain graphene film, freezing and drying graphene film.

ZHANG Y, WANG L, ZHANG J, LI K, CHEN Z

Preparation of graphene dispersion used for preparing graphene-polymer composite, involves dispersing graphene oxide powder in solvent, preparing graphene oxide aqueous dispersion, and reducing graphene oxide aqueous dispersion.

NOH W, JUNG J E, LEE K, PARK K, CHOI J, KIM H, SHIM Y, NOH W S, PARK K M, CHOI J K, KIM H M, SHIM Y K

Reduced graphene oxide used for forming electrode of gas sensor for sensing e.g. biomarker gas, is obtained by providing graphene oxide on surface of film and reducing graphene oxide at specified temperature by photo-sintering.

IL D K, SEON J C

Reduced graphene oxide-p-phenylenediamine/thermoplastic polyurethane composite film for e.g. water storage bag, is prepared by polymerizing p-phenylenediamine on oxidized graphene, reducing by hydrazine hydrate, and dispersing.

ZHENG Y, SU Y, DENG Z

Producing polyvinyl alcohol grafted graphene oxide as barrier film, comprises dispersing graphene oxide in solvent, and adding grafting reaction material and polyvinyl alcohol to solvent, and mixing.

MIN E L, SEULBEE L, JOON J H

Conducting film used as e.g. coating material, comprises graphene, graphene oxide and/or their derivatives and compound having sulfonic acid group and its derivatives, and has volume resistivity below preset value.

KONAGAYA S, SARUYAMA T, SHIBUYA H, KONAGATANI S, SHIBUYA N