国家/地区 中国（8）
IPC部 B（8） C（8） D（2）
IPC大类 B29（8）
IPC小类 B29C（8）
IPC C08K003/04（8）
发明人 LIU Y（2）
公开年 2022（5） 2023（3）
申请年 2022（8）
专利权人

Liquid ring type vacuum pump comprises e.g. pump body, pump cover fixed at two ends of the pump body respectively, disc fixed between two pump covers and pump body and impeller fixed on rotating shaft between two discs.

ZHAO X, WANG Q, LIU Y, YUE H, YU S

Manufacture of graphene nanosheet modified carbon fiber composite material used for e.g. aerospace, involves spreading graphene dispersion liquid containing polymer electrolyte on carbon fiber cloth surface, laying cloth alternately, impregnating resin glue into preform, heating and solidifying.

YAO J, LIU Q, WANG B, LIU H, ZHOU L, WANG F

Preparation of electrothermal carbon fiber composite material based on crosslinking reinforcement by coating graphene oxide aqueous solution on surface of carbon fiber, carbon fiber yarn or carbon fiber fabric as base material, and forming composite material by vacuum-assisted resin transfer molding.

DAI M, HONG X

Preparing X-band stealth/lightning protection skin comprises laying up carbon fiber prepreg, conductive prepreg, wave-absorbing prepreg and wave-transmitting prepreg in sequence on surface of tooling, obtaining first skin, and molding first skin by vacuum bag process.

LI B, SONG Z, WEN Y, LIU Y

Preparing a cold/hot press molding of high-conductivity composite heat dissipation products useful in electronic device, comprises e.g. taking heat conduction material powder, aqueous resin, curing agent and processing aid, obtaining resin mixture, mixing, granulating, calendering and crushing.

LIN Y, LI K

Processing high-strength computer back cover with middle frame, involves cutting epoxy glass fiber board to obtain middle frame board and cover board, milling mounting cavity on middle frame plate to form middle frame and then middle frame and cover plate are welded to obtain computer rear cover.

CAI C, YU F, LU M, CHEN J, HE H

Preparing environmentally friendly low-smoke, halogen-free and highly flame-retardant butyl rubber damping sheet used for damping, noise reduction and sound insulation, comprises e.g. kneading loaded graphene and polymer substrate, continuously mixing, extruding and forming.

YUAN Y, WU X, ZHANG H, ZHANG Q

Electromagnetic shielding cable used in communication, sensing, measurement, control, data acquisition and high technology fields, comprises sheath layer from outside to inside, shielding layer and cable core, where sheath layer is modified graphite aerogel.

LIU L