国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5） C08（5）
IPC小类 C01B（5）
IPC C08K003/04（5）
发明人
公开年 2022（5）
申请年 2022（4） 
专利权人

Peeling graphene useful in preparing graphene flexible film, comprises mixing graphite powder, bio-based graphene dispersant and deionized water evenly, and peeling off mechanically to obtain graphene dispersion.

LIU J, YANG J, WU Q, WU M, ZHU Y, ZHANG J

Preparing graphene surface modified micron-level tourmaline negative ion release functional powder comprises e.g. adding graphene to potassium hydroxide solution, reacting, obtained precipitate is porous graphene activator; mixing graphene activator with tourmaline powder, and adding solvent.

LIU S, RAO W, LIU X, LING P, WU H

Preparing high thermal conductivity insulating graphene useful for polymer materials, comprises e.g. reacting graphene oxide slurry in reaction kettle, spraying silane coupling agent reaction liquid into stirring mill, and ball milling until evenly coating on surface of powder.

KOU Y, DENG C

Preparation of hydrophobic graphene conductive material, involves forming graphene oxide dispersion using methyl cyanide, reacting dispersion with alkali, photocatalyst and fluoridating reagent, under light, ultrasonic dispersing formed flouridized graphene oxide, reacting with hydrazine hydrate.

XU J, WU S, HONG Y, XU C

Preparation method of aerogel framework, involves dispersing fluorinated boron nitride nanosheets and graphene oxide in polyvinyl alcohol aqueous solution or carboxymethyl cellulose aqueous solution to obtain aqueous slurry, placing aqueous slurry in mold for bidirectional freezing, and drying.

GUO H, HU B, LI B