国家/地区 中国（3）
IPC部 B（3） D（2）
IPC大类 B01（3） B32（3）
IPC小类 B01D（3）
IPC B32B027/32（3）
发明人
公开年 2022（3）
申请年 2022（2） 
专利权人

Double-membrane composite antibacterial filter material comprises polytetrafluoroethylene surface layer, antibacterial melt-blown cloth layer and a polytetrafluoroethylene encapsulation layer.

ZHOU Y, PING L

Graphene-layer fibre filter cloth comprises an inner filter layer, a middle monofilament layer, an outer filter layer, an interlayer fixing line and a double-cotton fibre warp, and the inner filtering layer is a fibre layer formed by blending high-molecular polypropylene fibers.

TU A, YANG J

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