国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/198（4）
发明人 ZHANG C（4）
公开年 2022（2）
申请年 2022（2） 
专利权人 SHANDONG HAI.（3）

Synthesizing graphene oxide grafted with p-cyanophenyl azo useful for providing wave-absorbing material, comprises adding oxidized graphene into water, adjusting pH of solution, adding prepared diazonium salt solution, stirring, heating, coupling, cooling, filtering, drying and purifying.

NI M, ZHANG C

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

Preparing graphene oxide by recycling concentrated sulfuric acid comprises mixing flake graphite and concentrated sulfuric acid, performing ultrasonic treatment, performing solid-liquid separation on reaction material to obtain recovered concentrated sulfuric acid and solid material, homogenizing.

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

Preparing graphene heat dissipation film, involves adding epoxy acrylic resin, performing emulsification treatment, centrifuging, pouring, cutting adhesive sheet, adhering to graphene sheet with bioadhesive and pressing sheet.

CHEN Z, MIAO L, ZHANG C