国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） B32（3）
IPC小类 B01D（3）
IPC B32B009/00（3）
发明人
公开年 2022（3）
申请年 2021（3）
专利权人

Melt-blown cloth bicomponent cotton of high filtration grade comprises melt-blown cloth bicomponent cotton layer including component A having carbon fiber modified polypropylene resin and modified high molecular weight butyl cellulose resin and component B having graphene modified polyurethane resin.

HE W, WANG F

Graphene composite filter film, has supporting block fixedly connected with iron screw rod, where inner middle end of film body is provided with first filter screen and left and right sides of inner part of body are provided with second screen.

FAN W

Air filter cloth for air purifying device for filtering and purifying micro-particles in air, has adsorption layer composed of transverse first aramid filament and longitudinal second filament knitted with each other.

CAO W