国家/地区 中国（7）
IPC部 C（7） B（2） H（2）
IPC大类 C04（7）
IPC小类 C04B（7）
IPC C08K003/04（7）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） LI S（2） NAGISA K（2）
SHEN Y（2） SHOJI H（2）
公开年 2015（2） 2021（2）
申请年 2021（3） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

Preparing graphene oxide modified styrene-acrylic emulsion useful in anticorrosion of cement-based material, comprises mixing graphene oxide buffer solution and styrene-acrylic monomer mixed solution, mixing obtained emulsion and silane coupling agent and ultrasonically dispersing.

WANG P, WANG X, LI S, YIN B, WU C, HOU D

Preparing hydrophilic carbon black useful for preparing building pigments, comprises dispersing graphene oxide and furnace carbon black in water, then soaking in nitric acid solution, carrying out solid-liquid separation and drying.

YU L, LI Y

Preparing crystalline graphene useful as modifying agent in preparation of modified asphalt, comprises heating high-activity calcium hydroxide powder, performing chemical vapor deposition reaction, acid washing, filtering and etching.

CUI Y

Concentrated graphene polymer useful for oil and gas exploitation, and geothermal development comprises graphene nanoflake core, double soluble surfactant, and nonionic surface active gel.

FU R, FU W, FU L, NIU H

Nanoparticle/graphene composite material used in e.g. anticorrosive coating material, comprises hydroxyl group and epoxy group on surface of graphene oxide, which are simultaneously modified by using silane coupling agent and nanoparticles.

LIU M, ZHANG X, LI S, FAN J, XUE S, QU W, LI G

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y