国家/地区 中国（20）
IPC部 C（20）
IPC大类 C01（20）
IPC小类 C01B（20）
IPC C09K003/00（20）
发明人 WANG J（2） WANG P（2） WANG Q（2）
公开年 2022（8） 2021（4） 2018（3） 2023（2）
申请年 2021（6）  2022（6）  2018（2）  2020（2） 
专利权人

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 three-dimensional oriented porous airgel loaded hollow oxide nanocube useful in field of wave absorption, comprises e.g. carbonizing chitosan/graphene oxide airgel, loading zeolitic imidazolate framework-67 nanocube on airgel, and processing airgel using solution containing metal ions.

MAN Q, ZHUANG X, WU Q, PAN L, GAO Y

Preparing polydicyclopentadiene-based carbon nanotube/graphene nanosheet aerogel flame-retardant electromagnetic shielding composite material, by dissolving chitosan, dispersing carbon nanotubes and graphene nanosheets, freeze-drying, mixing flame retardant with dicyclopentadiene, and polymerizing.

FAN B, SONG J, SONG T, GAO S, CHEN X, YANG L, CHEN L, LING J, WANG P

Preparation of microwave absorbing material involves adding nano-cobalt ferrite and nano-silicon carbide particles to multi-layer graphene oxide aqueous solution, reacting with ethylene glycol, centrifuging, drying, mixing with paraffin, pressing, and testing its electromagnetic parameter.

ZHENG W, YU S, HU C, WANG J, TIAN H

Preparing magnetic metal/graphene wave-absorbing material based on chemical vapor deposition comprises placing cobalt ferrite nanoparticle in methane atmosphere, carrying out chemical vapor deposition reaction, and cooling.

BAO S, JIANG Z

Preparing wave-absorbing material comprises using mixed solution of organic iron salt and triethylene glycol preparation graphene as mixed solution of organic iron salt and triethylene glycol, carrying out boiling reflux treatment to the mixed solution and separating dry liquid.

XU F, LI Y

Multi-band composite electromagnetic wave absorbing material useful in C wave band, X wave band and Ku wave band, comprises tin dioxide containing oxygen vacancies and reduced graphene oxide.

JIANG D, ZHONG B, GE K, AN Y, LI T, HUANG X, XIA L

Preparing high frequency soft magnetic ferric oxide/tin dioxide/graphene composite wave absorbing material for communication device, involves preparing oxidation graphene dispersion ultrasonically dispersing concentration prepared by hummer's method graphene then adding distilled water.

WANG J, CUI D

Preparation of nickel ferrite-lesser layer graphite broadband wave absorbing powder material by preparing hydrogen peroxide suspension of carbon material, adding e.g. nickel nitrate hexahydrate, shearing, and hydrothermally reacting.

TANG L, XUE P, YUAN G, XU J, OU W

Preparation of cobalt-iron-carbon/reduced graphene oxide electromagnetic wave absorption composite material by dissolving graphene oxide in deionized water, adding citrate and cobalt salt, dissolving, and pouring ferricyanide solution.

GAO H, SHI Z, WEI S, CHEN S