国家/地区 中国（16） 美国（4） 世界知识产权组织（3） 日本（2） 韩国（2）
IPC部 C（23）
IPC大类 C01（23）
IPC小类 C01B（23）
IPC C01B032/19（23）
发明人 CHEN J（2） LI C（2） WANG F（2）
ZHANG J（2） ZHANG S（2）
公开年 2022（23）
申请年 2021（11）  2022（11） 
专利权人

Graphene material used in substrate for sustained release of non-aqueous component, having specific total porosity and open porosity.

MURAMATSU K, TAKAHASHI K, IWATA H, SUTANI K, YABUMOTO H, IWATA E

Preparing low oxygen, high stripping graphene oxide useful in preparation of graphene heat-conducting film, comprises e.g. homogenizing and suction filtering dispersion liquid, separating concentrated sulfuric acid in reaction material, washing and filtering solid material.

ZHANG C, LI C, WANG J, YU X, ZHANG S

Heavy-duty anti-corrosion coating based on few-layer graphene used in steel structure, crude oil storage tank, ship, offshore platform and marine wind power device, comprises few-layer graphene, epoxy resin, aluminium paste, solvent, epoxy curing accelerator and auxiliary agent.

ZHAO Z, ZHANG B

Preparation of graphene synergistic sol used for improving soil quality, involves adding flake graphite into mixed acid solution, adding intercalation agent, reacting, and ultrasonically dispersing to obtain graphene, adding dispersant, organic bentonite, and ultrasonically treating.

ZHANG J, ZHANG F, ZHENG B

Preparing nano-graphene used as plugging agent in oil-based drilling fluid, comprises reacting graphite, oxidant i.e. ammonium persulfate and intercalating agent i.e. concentrated sulfuric acid, reacting with concentrated sulfuric acid and oxidant i.e. potassium permanganate, and gas-stripping.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

Method for concomitantly protecting aqueous resin against damage caused by ultraviolet radiation and risk of static electricity accumulation, used in aqueous coating or paint composition, involves using graphene sheets whose surfaces are modified by chemical insertion of amino acid-derived groups.

LOPES BARROS DE ARAUJO P, DE ARAUJO E S, SANTANA DE LIMA T B, DINIZ F L J

Preparing thermally conductive composite material based on three-dimensional vertically aligned graphene framework, comprises e.g. carrying hydrothermal reduction on graphene oxide films to form three-dimensional layered structure, drying, and performing heat treatment under argon atmosphere.

HU A, TANG Q, WANG X, LI C, CHEN X

Preparing core-shell type nano ceramic powder based on graphene coating used for modifying ceramic composite material, involves mixing polyamino cationic perylene bisimide graphene dispersant with deionized water, adding modified nano ceramic powder suspension into graphene dispersion, and stirring.

LI Y, XIE Y, FENG Z, XIN H, HU Y

Heat dissipation sheet comprises e.g. graphite layer, primary graphene layer stacked on one side of graphite layer with primary adhesive layer interposed there between and secondary graphene layer stacked with secondary adhesive layer.

PARK J, YOUNG C, CHOI C Y, PARK J U, CHOI C, PIAO Z

Graphene acrylic acid resin oily dispersion comprises flake graphite, acrylic acid resin and solvent.

DAI W, ZHANG J, LIU F, LAN W