国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B32B009/00（2） B32B009/04（2） B32B027/30（2）
发明人
公开年
申请年 2021（2）
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

Standard leakage hole of graphene/PMMA composite film, has supporting portion that is attached and arranged on side of permeable portion far away from first PMMA layer, and n includes penetration holes.

WANG L, ZHANG X, HAN Y, REN G, SUN L, YAN R, MENG D, LIU Z