国家/地区 中国（14）
IPC部 C（14）
IPC大类 C04（14） C01（2） H05（2）
IPC小类 C04B（14）
IPC C04B035/63（14）
发明人 WANG Y（3） CHEN X（2） LI J（2）
LIU C（2） WU X（2）
公开年 2021（9） 2022（5）
申请年 2021（14）
专利权人

Preparation of permanent magnet ferrite for electronic device, involves mixing oxide and carbonate powders to form premix, pre-burning mixture to obtain rare earth-free doped permanent magnet ferrite, pulverizing, adding surfactant, additives, crushing and mixing to obtain slurry, and grinding.

DING R, LIU L, WANG Y, DENG Z

Preparing coal gangue-based heating material comprises mixing coal gangue including alumina, silica, iron(III) oxide, titanium dioxide, sulfur dioxide and carbon, graphene, carbon nanotubes and/or conductive carbon black and binding agent e.g. silica sol, trapping, pressing, and sintering.

REN F, LIU J, WANG Y

Composite ceramic water reducing agent comprises polycarboxylate mother liquor, grinding aid, plasticizer, and reinforcing agent.

LUO W

Preparation of composite structure wave absorbing material for mobile communication application, involves compacting boron carbon nitride/iron oxide-doped monofilament fibers into preform, needle punching, vacuum impregnating with organic mixed solvent of graphene and asphalt, curing and cracking.

WANG Y, SUN Y, FAN L, HAO H, LI J, WANG K, LIU Q, ZHAO W, ZHANG T

Biological graphene silicon carbide material used in three-wheel slurry grinding, drying and killing, sintering and three-layer, multi-layer and few-layer refractory material production enterprise, comprises silicon-carbide powder.

JIANG G, LIU C, LIU H, HE J, REN Y

Preparing manganese-based graphite composite isostatic pressing conductive high polymer material involves obtaining components meeting index conditions, where components comprise aggregate, where aggregate is petroleum coke.

ZHANG Y, ZHANG P, GAO Z, MIN J

Anisotropic silicon carbide conductive ceramic for electronic components, electric switch, sensor, and display, comprises substrate, graphene nano-sheet and sintering auxiliary agent dispersed in substrate.

MA N, ZHU M, HUANG Z, CHEN W, CHEN J

Method for preparing graphite high heat conducting film used in microelectronic product packaging and integrated field, involves coating CNT and graphene dispersion on graphite film skeleton to perform downward air extraction to obtain graphite with high thermal conductivity membrane.

DENG C, LIU C, LI J, LI H, HONG W, FAN Y, DENG D, TIAN J, CHEN X, WU X

Preparing high-toughness high-lubrication silicon nitride ceramic ice cutter useful in high-power electronic power device, involves placing green body into platinum crucible, heating, pre-sintering, filling platinum crucible with nitrogen, performing air pressure sintering and cooling.

YANG Z, LI Y, QIN G, JIN H, ZHANG C, ZHANG G

Preparing graphene-doped magnesium diboride bulk material by mixing melamine or carbon nitride with magnesium powder, vacuuming, ball milling, passing argon gas, pumping it until impurity gas is removed, heating, mixing and grinding with magnesium powder and boron powder, pressing and sintering.

TANG J