国家/地区 中国（20）
IPC部 B（20）
IPC大类 B01（20）
IPC小类 B01J（20） C01B（19） C02F（8）
B01D（6） C01G（3） B82Y（2）
C09K（2）
IPC B01J020/30（20）
发明人 KONG F（2） LI Y（2） LIU Y（2）
WANG H（2） XU C（2） ZHANG J（2）
ZHANG Y（2）
公开年 2021（15） 2022（3） 2023（2）
申请年 2021（20）
专利权人

Preparing magnetically reduced graphene oxide-based composite material used in field of oil-water separation, involves providing graphene oxide material, mixing oxidized graphene material, trivalent iron salt, amine compound and dispersing solvent uniformly to form graphene dispersion.

SHEN L, WANG G, ZENG Z, XU Y

Preparation of graphene aerogel for carbon dioxide adsorption, involves preparing graphene-polyethyleneimine-chitosan composite slurry, and freezing in mold where thermal conductivity coefficient of bottom is greater than that of side wall.

CHENG A, HE Z, GAO S, LIU L, LI X, WANG Q, WU T

Preparing patterned nitrogen-sulfur co-doped graphene aerogel, comprises ultrasonically dispersing graphene oxide into water, adding thiamine hydrochloride or rhodamine to graphene oxide dispersion, ultrasonically processing, freezing and drying.

XU C, ZHANG N, ZHONG H, ZHANG L, WEI K, SHENG Z

Preparation of modified graphene film used in system for capturing carbon dioxide in air, involves reducing graphene oxide sheets to obtain graphene sheets, using quaternary amine compounds to modify graphene sheet and preparing porous modified graphene membrane.

ZHANG Y, WANG J, XU S, BAI H

Preparing nitrogen-doped modified graphene electrode material useful for absorbing electroreduction radionuclides, comprises e.g. mixing graphite powder and sodium nitrate with concentrated sulfuric acid, heating and stirring with potassium permanganate, stirring with hydrogen peroxide.

DING A, TENG Y, SHAO K, DOU J, GUO Y

Preparing doped graphene hydrogel comprises e.g. adding graphene into distilled water, adding doping agent into dispersed graphene, stirring, stirring at certain temperature, initially forming graphene-doped hydrogel and filtering.

MA X

Preparation of cuprous thiocyanate used in e.g. bright color oil, involves adding adsorbent to desulfurization waste liquid, filtering, preparing copper sulfate as saturated solution, mixing with pretreated desulfurization waste liquid, dripping sulfite, stirring, filtering, washing, and drying.

FENG X

Preparation of flexible bulk amine modified graphene mesoporous material for carbon dioxide adsorption, involves dispersing graphene oxide aqueous solution, adjusting pH value to obtain dispersion, mixing with high amine aqueous solution to obtain mixture, molding and freeze-drying.

YU J, LEI C, LIU Y, HE J, DU Y, SONG M

Preparing carbon material useful in free radical scavenging, and adsorption of cationic dye pollutants in wastewater comprises pre-carbonizing folium artemisiae argyi, adding activating agent, and low temperature carbonizing.

YANG R, ZENG H, HONG M, QU L

Preparing mesoporous tin oxide nanorod/nitrogen doped graphene sensitive material useful for absorbing formaldehyde comprises mixing tin salt solution and graphene oxide, adding nitrogen doping agent, freezing, drying and cooling.

LU J, CAO Q, WANG Y, XU C, LI C